./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 9bd2c7ff 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_95c6d8ec-1157-4949-b81c-d2c590298b07/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c6d8ec-1157-4949-b81c-d2c590298b07/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c6d8ec-1157-4949-b81c-d2c590298b07/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c6d8ec-1157-4949-b81c-d2c590298b07/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c6d8ec-1157-4949-b81c-d2c590298b07/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c6d8ec-1157-4949-b81c-d2c590298b07/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3be4ac024b7f357f41d231fb5742f86a984717c473cc6044544e39e88c4f03b3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:54:57,238 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:54:57,348 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c6d8ec-1157-4949-b81c-d2c590298b07/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:54:57,360 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:54:57,361 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:54:57,399 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:54:57,400 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:54:57,400 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:54:57,402 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:54:57,406 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:54:57,407 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:54:57,408 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:54:57,409 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:54:57,410 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:54:57,411 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:54:57,411 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:54:57,412 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:54:57,412 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:54:57,412 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:54:57,413 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:54:57,413 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:54:57,414 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:54:57,415 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:54:57,416 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:54:57,416 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:54:57,416 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:54:57,417 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:54:57,417 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:54:57,418 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:54:57,418 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:54:57,419 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:54:57,420 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:54:57,420 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:54:57,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:54:57,421 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:54:57,421 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:54:57,421 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:54:57,421 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:54:57,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:54:57,422 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:54:57,422 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:54:57,422 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:54:57,423 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_95c6d8ec-1157-4949-b81c-d2c590298b07/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c6d8ec-1157-4949-b81c-d2c590298b07/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3be4ac024b7f357f41d231fb5742f86a984717c473cc6044544e39e88c4f03b3 [2023-11-19 04:54:57,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:54:57,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:54:57,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:54:57,739 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:54:57,739 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:54:57,741 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c6d8ec-1157-4949-b81c-d2c590298b07/bin/utaipan-verify-t7M7D8N6sZ/../../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 [2023-11-19 04:55:00,819 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:55:01,552 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:55:01,553 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c6d8ec-1157-4949-b81c-d2c590298b07/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 [2023-11-19 04:55:01,605 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c6d8ec-1157-4949-b81c-d2c590298b07/bin/utaipan-verify-t7M7D8N6sZ/data/787098e18/96e191fcf3db490cb3758f1ad718c4ab/FLAG8631b2991 [2023-11-19 04:55:01,621 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c6d8ec-1157-4949-b81c-d2c590298b07/bin/utaipan-verify-t7M7D8N6sZ/data/787098e18/96e191fcf3db490cb3758f1ad718c4ab [2023-11-19 04:55:01,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:55:01,630 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:55:01,634 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:55:01,634 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:55:01,638 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:55:01,639 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:55:01" (1/1) ... [2023-11-19 04:55:01,640 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@86f499e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:01, skipping insertion in model container [2023-11-19 04:55:01,641 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:55:01" (1/1) ... [2023-11-19 04:55:01,839 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:55:04,081 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_95c6d8ec-1157-4949-b81c-d2c590298b07/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] [2023-11-19 04:55:04,176 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-19 04:55:04,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:55:04,234 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:55:04,369 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] [2023-11-19 04:55:04,372 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] [2023-11-19 04:55:04,381 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] [2023-11-19 04:55:04,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [6194] [2023-11-19 04:55:04,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6197] [2023-11-19 04:55:04,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6200] [2023-11-19 04:55:04,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6203] [2023-11-19 04:55:04,397 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [6268] [2023-11-19 04:55:04,397 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [6276] [2023-11-19 04:55:04,398 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [6283] [2023-11-19 04:55:04,398 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [6291] [2023-11-19 04:55:04,412 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] [2023-11-19 04:55:04,418 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] [2023-11-19 04:55:04,420 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] [2023-11-19 04:55:04,421 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] [2023-11-19 04:55:04,435 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6925] [2023-11-19 04:55:04,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7948] [2023-11-19 04:55:04,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7950] [2023-11-19 04:55:04,540 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8140] [2023-11-19 04:55:04,541 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8142] [2023-11-19 04:55:04,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8497] [2023-11-19 04:55:04,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8509] [2023-11-19 04:55:04,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8560] [2023-11-19 04:55:04,570 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8699] [2023-11-19 04:55:04,616 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_95c6d8ec-1157-4949-b81c-d2c590298b07/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] [2023-11-19 04:55:04,621 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-19 04:55:04,627 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:55:04,854 WARN L675 CHandler]: The function ldv_xmalloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:55:04,854 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:55:04,855 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:55:04,863 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:55:04,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:04 WrapperNode [2023-11-19 04:55:04,863 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:55:04,865 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:55:04,865 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:55:04,866 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:55:04,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:04" (1/1) ... [2023-11-19 04:55:04,988 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:04" (1/1) ... [2023-11-19 04:55:05,221 INFO L138 Inliner]: procedures = 275, calls = 2324, calls flagged for inlining = 131, calls inlined = 123, statements flattened = 5387 [2023-11-19 04:55:05,222 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:55:05,222 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:55:05,223 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:55:05,223 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:55:05,233 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:04" (1/1) ... [2023-11-19 04:55:05,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:04" (1/1) ... [2023-11-19 04:55:05,257 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:04" (1/1) ... [2023-11-19 04:55:05,258 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:04" (1/1) ... [2023-11-19 04:55:05,362 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:04" (1/1) ... [2023-11-19 04:55:05,386 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:04" (1/1) ... [2023-11-19 04:55:05,407 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:04" (1/1) ... [2023-11-19 04:55:05,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:04" (1/1) ... [2023-11-19 04:55:05,459 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:55:05,460 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:55:05,460 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:55:05,461 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:55:05,461 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:04" (1/1) ... [2023-11-19 04:55:05,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:55:05,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c6d8ec-1157-4949-b81c-d2c590298b07/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:55:05,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c6d8ec-1157-4949-b81c-d2c590298b07/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:55:05,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c6d8ec-1157-4949-b81c-d2c590298b07/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:55:05,555 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-19 04:55:05,555 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-19 04:55:05,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_2 [2023-11-19 04:55:05,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_2 [2023-11-19 04:55:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:55:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:55:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 04:55:05,558 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 04:55:05,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:55:05,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:55:05,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 04:55:05,559 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 04:55:05,559 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 04:55:05,559 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 04:55:05,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 04:55:05,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 04:55:05,559 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_count [2023-11-19 04:55:05,560 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_count [2023-11-19 04:55:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:55:05,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:55:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-11-19 04:55:05,560 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-11-19 04:55:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_status [2023-11-19 04:55:05,561 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_status [2023-11-19 04:55:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 04:55:05,561 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 04:55:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_status [2023-11-19 04:55:05,561 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_status [2023-11-19 04:55:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2023-11-19 04:55:05,562 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2023-11-19 04:55:05,562 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 04:55:05,562 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 04:55:05,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 04:55:05,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 04:55:05,563 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_ring_debug [2023-11-19 04:55:05,563 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_ring_debug [2023-11-19 04:55:05,564 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 04:55:05,564 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 04:55:05,564 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-19 04:55:05,565 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-19 04:55:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:55:05,565 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:55:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:55:05,565 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:55:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 04:55:05,566 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 04:55:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-19 04:55:05,566 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-19 04:55:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2023-11-19 04:55:05,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2023-11-19 04:55:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure ring_get [2023-11-19 04:55:05,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_get [2023-11-19 04:55:05,567 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-19 04:55:05,567 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-19 04:55:05,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:55:05,567 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 04:55:05,567 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_resume [2023-11-19 04:55:05,567 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_resume [2023-11-19 04:55:05,568 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-19 04:55:05,569 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-19 04:55:05,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:55:05,569 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-19 04:55:05,569 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-19 04:55:05,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 04:55:05,570 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2023-11-19 04:55:05,570 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2023-11-19 04:55:05,570 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_us_delta [2023-11-19 04:55:05,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_us_delta [2023-11-19 04:55:05,570 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 04:55:05,570 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 04:55:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_free_ring [2023-11-19 04:55:05,571 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_free_ring [2023-11-19 04:55:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure ring_last [2023-11-19 04:55:05,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_last [2023-11-19 04:55:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-19 04:55:05,571 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-19 04:55:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:55:05,572 INFO L130 BoogieDeclarations]: Found specification of procedure ring_put [2023-11-19 04:55:05,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_put [2023-11-19 04:55:05,572 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-11-19 04:55:05,572 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-11-19 04:55:05,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:55:05,572 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 04:55:05,573 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 04:55:05,573 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-19 04:55:05,573 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-19 04:55:05,574 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-19 04:55:05,574 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-19 04:55:05,574 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 04:55:05,575 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 04:55:05,575 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_tx_timeout [2023-11-19 04:55:05,575 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_tx_timeout [2023-11-19 04:55:05,575 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-19 04:55:05,575 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-19 04:55:05,576 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 04:55:05,576 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 04:55:05,576 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 04:55:05,576 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 04:55:05,576 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-19 04:55:05,576 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-19 04:55:05,576 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 04:55:05,577 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 04:55:05,577 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_addr_status [2023-11-19 04:55:05,577 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_addr_status [2023-11-19 04:55:05,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 04:55:05,577 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_destroy_hwif [2023-11-19 04:55:05,577 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_destroy_hwif [2023-11-19 04:55:05,577 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 04:55:05,578 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 04:55:05,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:55:05,578 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_stop_hw [2023-11-19 04:55:05,579 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_stop_hw [2023-11-19 04:55:05,579 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_addr [2023-11-19 04:55:05,579 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_addr [2023-11-19 04:55:05,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:55:05,580 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 04:55:05,580 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 04:55:05,581 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 04:55:05,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 04:55:05,582 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_remove [2023-11-19 04:55:05,582 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_remove [2023-11-19 04:55:05,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 04:55:05,585 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 04:55:05,586 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-11-19 04:55:05,586 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-11-19 04:55:05,586 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_clear_regs [2023-11-19 04:55:05,587 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_clear_regs [2023-11-19 04:55:05,588 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 04:55:05,588 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 04:55:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 04:55:05,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 04:55:05,666 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-11-19 04:55:05,666 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-11-19 04:55:05,666 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 04:55:05,666 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 04:55:05,666 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_start_hw [2023-11-19 04:55:05,666 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_start_hw [2023-11-19 04:55:05,666 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-19 04:55:05,666 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-19 04:55:05,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:55:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 04:55:05,667 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 04:55:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-19 04:55:05,667 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-19 04:55:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-19 04:55:05,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-19 04:55:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure rd_activate [2023-11-19 04:55:05,667 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_activate [2023-11-19 04:55:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-11-19 04:55:05,667 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-11-19 04:55:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:55:05,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:55:05,668 INFO L130 BoogieDeclarations]: Found specification of procedure rd_is_active [2023-11-19 04:55:05,668 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_is_active [2023-11-19 04:55:05,668 INFO L130 BoogieDeclarations]: Found specification of procedure irlap_close [2023-11-19 04:55:05,668 INFO L138 BoogieDeclarations]: Found implementation of procedure irlap_close [2023-11-19 04:55:05,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 04:55:05,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 04:55:05,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:55:05,668 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_count [2023-11-19 04:55:05,668 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_count [2023-11-19 04:55:05,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 04:55:05,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 04:55:05,668 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-19 04:55:05,669 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-19 04:55:05,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:55:05,669 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-19 04:55:05,669 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-19 04:55:05,669 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 04:55:05,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 04:55:05,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:55:05,669 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 04:55:05,669 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_process_tx [2023-11-19 04:55:05,669 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_process_tx [2023-11-19 04:55:05,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-19 04:55:05,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-19 04:55:05,670 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_ioctl [2023-11-19 04:55:05,670 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_ioctl [2023-11-19 04:55:05,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_2 [2023-11-19 04:55:05,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_2 [2023-11-19 04:55:05,670 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 04:55:05,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 04:55:05,675 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_alloc_ring [2023-11-19 04:55:05,675 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_alloc_ring [2023-11-19 04:55:05,675 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_fill_rx [2023-11-19 04:55:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_fill_rx [2023-11-19 04:55:05,676 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-19 04:55:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-19 04:55:05,676 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_process_rx [2023-11-19 04:55:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_process_rx [2023-11-19 04:55:05,676 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-19 04:55:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-19 04:55:05,676 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_reg_debug [2023-11-19 04:55:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_reg_debug [2023-11-19 04:55:05,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:55:05,676 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_set_baud [2023-11-19 04:55:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_set_baud [2023-11-19 04:55:05,677 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-19 04:55:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-19 04:55:05,677 INFO L130 BoogieDeclarations]: Found specification of procedure ring_first [2023-11-19 04:55:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_first [2023-11-19 04:55:05,677 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2023-11-19 04:55:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2023-11-19 04:55:05,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:55:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:55:06,442 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:55:06,446 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:55:06,945 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:55:16,859 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:55:19,553 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:55:19,553 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:55:19,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:55:19 BoogieIcfgContainer [2023-11-19 04:55:19,575 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:55:19,580 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:55:19,580 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:55:19,584 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:55:19,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:55:01" (1/3) ... [2023-11-19 04:55:19,587 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6624e22c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:55:19, skipping insertion in model container [2023-11-19 04:55:19,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:04" (2/3) ... [2023-11-19 04:55:19,588 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6624e22c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:55:19, skipping insertion in model container [2023-11-19 04:55:19,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:55:19" (3/3) ... [2023-11-19 04:55:19,590 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i [2023-11-19 04:55:19,615 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:55:19,615 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:55:19,754 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:55:19,763 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;@bdfbf4b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:55:19,763 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:55:19,777 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) [2023-11-19 04:55:19,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-19 04:55:19,819 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:55:19,821 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] [2023-11-19 04:55:19,821 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:55:19,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:55:19,829 INFO L85 PathProgramCache]: Analyzing trace with hash -857356680, now seen corresponding path program 1 times [2023-11-19 04:55:19,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:55:19,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362617927] [2023-11-19 04:55:19,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:19,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:55:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:55:21,281 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-11-19 04:55:21,281 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:55:21,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362617927] [2023-11-19 04:55:21,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362617927] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:55:21,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:55:21,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:55:21,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886448338] [2023-11-19 04:55:21,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:55:21,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:55:21,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:55:21,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:55:21,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:55:21,355 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) [2023-11-19 04:55:23,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:55:26,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:55:28,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:55:28,442 INFO L93 Difference]: Finished difference Result 3680 states and 5323 transitions. [2023-11-19 04:55:28,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:55:28,445 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 [2023-11-19 04:55:28,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:55:28,484 INFO L225 Difference]: With dead ends: 3680 [2023-11-19 04:55:28,485 INFO L226 Difference]: Without dead ends: 2281 [2023-11-19 04:55:28,501 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 [2023-11-19 04:55:28,504 INFO L413 NwaCegarLoop]: 1830 mSDtfsCounter, 1358 mSDsluCounter, 1723 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s 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, 6.7s IncrementalHoareTripleChecker+Time [2023-11-19 04:55:28,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1358 Valid, 3553 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 418 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2023-11-19 04:55:28,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2281 states. [2023-11-19 04:55:28,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2281 to 2277. [2023-11-19 04:55:28,750 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) [2023-11-19 04:55:28,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2277 states to 2277 states and 3253 transitions. [2023-11-19 04:55:28,780 INFO L78 Accepts]: Start accepts. Automaton has 2277 states and 3253 transitions. Word has length 131 [2023-11-19 04:55:28,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:55:28,783 INFO L495 AbstractCegarLoop]: Abstraction has 2277 states and 3253 transitions. [2023-11-19 04:55:28,784 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) [2023-11-19 04:55:28,784 INFO L276 IsEmpty]: Start isEmpty. Operand 2277 states and 3253 transitions. [2023-11-19 04:55:28,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-11-19 04:55:28,802 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:55:28,803 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] [2023-11-19 04:55:28,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:55:28,804 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:55:28,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:55:28,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1657156850, now seen corresponding path program 1 times [2023-11-19 04:55:28,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:55:28,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136594310] [2023-11-19 04:55:28,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:28,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:55:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:55:29,959 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-11-19 04:55:29,960 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:55:29,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136594310] [2023-11-19 04:55:29,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136594310] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:55:29,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:55:29,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:55:29,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374240843] [2023-11-19 04:55:29,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:55:29,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:55:29,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:55:29,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:55:29,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:55:29,965 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) [2023-11-19 04:55:31,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:55:33,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:55:35,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:55:45,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:55:45,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:55:45,341 INFO L93 Difference]: Finished difference Result 6678 states and 9540 transitions. [2023-11-19 04:55:45,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 04:55:45,342 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 [2023-11-19 04:55:45,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:55:45,392 INFO L225 Difference]: With dead ends: 6678 [2023-11-19 04:55:45,392 INFO L226 Difference]: Without dead ends: 4429 [2023-11-19 04:55:45,409 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 [2023-11-19 04:55:45,410 INFO L413 NwaCegarLoop]: 1843 mSDtfsCounter, 1781 mSDsluCounter, 5419 mSDsCounter, 0 mSdLazyCounter, 836 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1785 SdHoareTripleChecker+Valid, 7262 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 836 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:55:45,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1785 Valid, 7262 Invalid, 840 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 836 Invalid, 1 Unknown, 0 Unchecked, 15.0s Time] [2023-11-19 04:55:45,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4429 states. [2023-11-19 04:55:45,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4429 to 4413. [2023-11-19 04:55:45,688 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) [2023-11-19 04:55:45,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4413 states to 4413 states and 6296 transitions. [2023-11-19 04:55:45,727 INFO L78 Accepts]: Start accepts. Automaton has 4413 states and 6296 transitions. Word has length 186 [2023-11-19 04:55:45,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:55:45,729 INFO L495 AbstractCegarLoop]: Abstraction has 4413 states and 6296 transitions. [2023-11-19 04:55:45,729 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) [2023-11-19 04:55:45,730 INFO L276 IsEmpty]: Start isEmpty. Operand 4413 states and 6296 transitions. [2023-11-19 04:55:45,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-19 04:55:45,735 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:55:45,736 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] [2023-11-19 04:55:45,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:55:45,736 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:55:45,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:55:45,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1730625237, now seen corresponding path program 1 times [2023-11-19 04:55:45,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:55:45,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125848182] [2023-11-19 04:55:45,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:45,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:55:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:55:46,679 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-11-19 04:55:46,679 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:55:46,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125848182] [2023-11-19 04:55:46,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125848182] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:55:46,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:55:46,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:55:46,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323411597] [2023-11-19 04:55:46,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:55:46,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:55:46,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:55:46,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:55:46,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:55:46,686 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) [2023-11-19 04:55:49,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []