/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 06:02:05,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 06:02:06,040 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-05 06:02:06,044 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 06:02:06,045 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 06:02:06,076 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 06:02:06,076 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 06:02:06,077 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 06:02:06,077 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 06:02:06,078 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 06:02:06,078 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 06:02:06,079 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 06:02:06,080 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 06:02:06,080 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 06:02:06,080 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 06:02:06,081 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 06:02:06,081 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 06:02:06,081 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 06:02:06,082 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 06:02:06,082 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 06:02:06,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 06:02:06,083 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 06:02:06,083 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 06:02:06,083 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 06:02:06,084 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 06:02:06,084 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 06:02:06,084 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 06:02:06,084 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 06:02:06,085 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 06:02:06,085 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 06:02:06,085 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 06:02:06,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 06:02:06,086 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 06:02:06,090 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 06:02:06,091 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 06:02:06,091 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 06:02:06,091 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 06:02:06,091 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 06:02:06,091 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 06:02:06,092 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 06:02:06,092 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 06:02:06,093 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:02:06,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 06:02:06,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 06:02:06,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 06:02:06,369 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 06:02:06,369 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 06:02:06,371 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i [2024-11-05 06:02:07,966 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 06:02:08,377 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 06:02:08,378 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i [2024-11-05 06:02:08,418 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c0539c4d/f6e56140757e4ec3b64570681cf504c3/FLAG9af4acbc5 [2024-11-05 06:02:08,435 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c0539c4d/f6e56140757e4ec3b64570681cf504c3 [2024-11-05 06:02:08,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 06:02:08,440 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 06:02:08,441 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 06:02:08,441 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 06:02:08,447 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 06:02:08,448 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 06:02:08" (1/1) ... [2024-11-05 06:02:08,449 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3361f6f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:02:08, skipping insertion in model container [2024-11-05 06:02:08,450 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 06:02:08" (1/1) ... [2024-11-05 06:02:08,539 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 06:02:09,418 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,425 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,432 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,433 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,443 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,454 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,456 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,459 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,460 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,464 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,465 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,466 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,478 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,494 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,495 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,496 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,496 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,498 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,499 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,507 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,510 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,520 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,521 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,545 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,547 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,547 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,552 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,553 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,559 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,567 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,569 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,570 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,571 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,572 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,572 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,573 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,574 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,578 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,586 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,591 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,619 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,620 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,627 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,627 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,628 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,640 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i[121503,121516] [2024-11-05 06:02:09,666 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,697 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:02:09,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 06:02:09,728 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 06:02:09,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3095-3096] [2024-11-05 06:02:09,894 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/linux/scatterlist.h"), "i" (63), "i" (12UL)); [3374-3375] [2024-11-05 06:02:09,895 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/linux/scatterlist.h"), "i" (65), "i" (12UL)); [3382-3383] [2024-11-05 06:02:09,898 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/linux/scatterlist.h"), "i" (66), "i" (12UL)); [3390-3391] [2024-11-05 06:02:09,926 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 *)"/home/ldvuser/andrianov/commit-tester-work/task-014--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c"), "i" (123), "i" (12UL)); [3605-3606] [2024-11-05 06:02:09,935 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 *)"/home/ldvuser/andrianov/commit-tester-work/task-014--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c"), "i" (177), "i" (12UL)); [3680-3681] [2024-11-05 06:02:09,988 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 *)"/home/ldvuser/andrianov/commit-tester-work/task-014--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c"), "i" (467), "i" (12UL)); [4002-4003] [2024-11-05 06:02:10,006 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i[121503,121516] [2024-11-05 06:02:10,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 06:02:10,077 INFO L204 MainTranslator]: Completed translation [2024-11-05 06:02:10,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:02:10 WrapperNode [2024-11-05 06:02:10,078 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 06:02:10,079 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 06:02:10,079 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 06:02:10,079 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 06:02:10,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:02:10" (1/1) ... [2024-11-05 06:02:10,134 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:02:10" (1/1) ... [2024-11-05 06:02:10,240 INFO L138 Inliner]: procedures = 151, calls = 525, calls flagged for inlining = 83, calls inlined = 83, statements flattened = 1673 [2024-11-05 06:02:10,241 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 06:02:10,241 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 06:02:10,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 06:02:10,242 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 06:02:10,253 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:02:10" (1/1) ... [2024-11-05 06:02:10,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:02:10" (1/1) ... [2024-11-05 06:02:10,281 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:02:10" (1/1) ... [2024-11-05 06:02:10,512 INFO L175 MemorySlicer]: Split 263 memory accesses to 10 slices as follows [2, 1, 25, 8, 1, 8, 1, 192, 21, 4]. 73 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 0, 0, 8, 0, 8, 0, 13, 0, 0]. The 91 writes are split as follows [0, 0, 3, 0, 1, 0, 1, 63, 21, 2]. [2024-11-05 06:02:10,512 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:02:10" (1/1) ... [2024-11-05 06:02:10,513 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:02:10" (1/1) ... [2024-11-05 06:02:10,571 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:02:10" (1/1) ... [2024-11-05 06:02:10,587 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:02:10" (1/1) ... [2024-11-05 06:02:10,607 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:02:10" (1/1) ... [2024-11-05 06:02:10,625 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:02:10" (1/1) ... [2024-11-05 06:02:10,643 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 06:02:10,645 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 06:02:10,645 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 06:02:10,645 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 06:02:10,646 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:02:10" (1/1) ... [2024-11-05 06:02:10,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 06:02:10,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 06:02:10,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-05 06:02:10,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-05 06:02:10,699 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segment_size [2024-11-05 06:02:10,700 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segment_size [2024-11-05 06:02:10,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-05 06:02:10,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-05 06:02:10,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-05 06:02:10,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-05 06:02:10,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-05 06:02:10,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-05 06:02:10,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-05 06:02:10,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-05 06:02:10,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-05 06:02:10,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-05 06:02:10,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 06:02:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 06:02:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 06:02:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 06:02:10,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-05 06:02:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-05 06:02:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-05 06:02:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-05 06:02:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2024-11-05 06:02:10,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#9 [2024-11-05 06:02:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-05 06:02:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-05 06:02:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-05 06:02:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-05 06:02:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-05 06:02:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-05 06:02:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-05 06:02:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-05 06:02:10,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-05 06:02:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-05 06:02:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2024-11-05 06:02:10,706 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2024-11-05 06:02:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-05 06:02:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-05 06:02:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-05 06:02:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-05 06:02:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-05 06:02:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-05 06:02:10,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-05 06:02:10,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-05 06:02:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-11-05 06:02:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-11-05 06:02:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 06:02:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 06:02:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 06:02:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 06:02:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 06:02:10,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-05 06:02:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-05 06:02:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-05 06:02:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-05 06:02:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-05 06:02:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-05 06:02:10,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-05 06:02:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-05 06:02:10,711 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-05 06:02:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2024-11-05 06:02:10,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2024-11-05 06:02:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure req_get_ioprio [2024-11-05 06:02:10,712 INFO L138 BoogieDeclarations]: Found implementation of procedure req_get_ioprio [2024-11-05 06:02:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-05 06:02:10,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-05 06:02:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2024-11-05 06:02:10,712 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2024-11-05 06:02:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_buf [2024-11-05 06:02:10,712 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_buf [2024-11-05 06:02:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-05 06:02:10,713 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-05 06:02:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-05 06:02:10,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-05 06:02:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 06:02:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 06:02:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 06:02:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 06:02:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 06:02:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-05 06:02:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-05 06:02:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-05 06:02:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2024-11-05 06:02:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#9 [2024-11-05 06:02:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-05 06:02:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-05 06:02:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-05 06:02:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-05 06:02:10,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-05 06:02:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-05 06:02:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-05 06:02:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-05 06:02:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#8 [2024-11-05 06:02:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#9 [2024-11-05 06:02:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-05 06:02:10,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-05 06:02:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure index_to_minor [2024-11-05 06:02:10,715 INFO L138 BoogieDeclarations]: Found implementation of procedure index_to_minor [2024-11-05 06:02:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-05 06:02:10,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-05 06:02:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 06:02:10,716 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 06:02:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 06:02:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-05 06:02:10,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-05 06:02:10,717 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-05 06:02:10,718 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-05 06:02:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 06:02:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2024-11-05 06:02:10,718 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2024-11-05 06:02:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 06:02:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 06:02:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 06:02:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 06:02:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 06:02:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 06:02:10,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-05 06:02:10,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-05 06:02:10,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-05 06:02:10,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-05 06:02:10,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-05 06:02:10,719 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-05 06:02:10,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-05 06:02:10,719 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_remove [2024-11-05 06:02:10,719 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_remove [2024-11-05 06:02:10,719 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2024-11-05 06:02:10,720 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2024-11-05 06:02:10,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 06:02:10,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 06:02:10,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 06:02:10,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 06:02:10,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 06:02:10,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-05 06:02:10,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-05 06:02:10,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-05 06:02:10,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-05 06:02:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-05 06:02:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-11-05 06:02:10,721 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-11-05 06:02:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-05 06:02:10,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-05 06:02:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-05 06:02:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-05 06:02:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-05 06:02:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-05 06:02:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-05 06:02:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-05 06:02:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-05 06:02:10,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-05 06:02:10,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2024-11-05 06:02:10,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#9 [2024-11-05 06:02:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-05 06:02:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-05 06:02:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-05 06:02:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-05 06:02:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-05 06:02:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-05 06:02:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-05 06:02:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-05 06:02:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-05 06:02:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-05 06:02:10,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-05 06:02:10,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-05 06:02:10,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-05 06:02:10,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-05 06:02:10,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-05 06:02:10,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-05 06:02:10,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-05 06:02:10,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-05 06:02:10,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-11-05 06:02:10,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-11-05 06:02:10,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 06:02:10,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-05 06:02:10,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-05 06:02:10,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-05 06:02:10,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-05 06:02:10,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-05 06:02:10,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-05 06:02:10,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-05 06:02:10,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-05 06:02:10,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-05 06:02:10,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-05 06:02:10,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 06:02:10,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 06:02:10,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 06:02:10,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 06:02:10,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 06:02:10,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-05 06:02:10,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-05 06:02:10,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-05 06:02:10,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-05 06:02:10,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-05 06:02:10,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-05 06:02:10,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-05 06:02:10,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-05 06:02:10,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-05 06:02:10,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-05 06:02:10,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-05 06:02:10,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-05 06:02:10,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-05 06:02:10,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-05 06:02:10,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-05 06:02:10,730 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2024-11-05 06:02:10,730 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2024-11-05 06:02:10,730 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_ordered [2024-11-05 06:02:10,730 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_ordered [2024-11-05 06:02:10,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 06:02:10,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 06:02:10,731 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-05 06:02:10,731 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-05 06:02:11,231 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 06:02:11,234 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 06:02:11,313 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-05 06:02:18,510 INFO L? ?]: Removed 971 outVars from TransFormulas that were not future-live. [2024-11-05 06:02:18,511 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 06:02:18,537 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 06:02:18,537 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-05 06:02:18,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 06:02:18 BoogieIcfgContainer [2024-11-05 06:02:18,538 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 06:02:18,543 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 06:02:18,543 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 06:02:18,547 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 06:02:18,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 06:02:08" (1/3) ... [2024-11-05 06:02:18,548 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1996a087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 06:02:18, skipping insertion in model container [2024-11-05 06:02:18,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:02:10" (2/3) ... [2024-11-05 06:02:18,548 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1996a087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 06:02:18, skipping insertion in model container [2024-11-05 06:02:18,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 06:02:18" (3/3) ... [2024-11-05 06:02:18,552 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i [2024-11-05 06:02:18,564 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 06:02:18,565 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 06:02:18,646 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 06:02:18,655 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@3ad7e0cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 06:02:18,655 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 06:02:18,662 INFO L276 IsEmpty]: Start isEmpty. Operand has 457 states, 346 states have (on average 1.300578034682081) internal successors, (450), 361 states have internal predecessors, (450), 84 states have call successors, (84), 26 states have call predecessors, (84), 25 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-05 06:02:18,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-05 06:02:18,671 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:02:18,672 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 06:02:18,673 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:02:18,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:02:18,678 INFO L85 PathProgramCache]: Analyzing trace with hash -116747867, now seen corresponding path program 1 times [2024-11-05 06:02:18,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:02:18,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [323126092] [2024-11-05 06:02:18,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:02:18,687 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:02:18,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:02:18,689 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 06:02:18,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-05 06:02:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:02:19,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-05 06:02:19,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:02:19,360 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-05 06:02:19,360 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:02:19,487 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-05 06:02:19,488 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:02:19,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [323126092] [2024-11-05 06:02:19,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [323126092] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 06:02:19,489 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 06:02:19,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-05 06:02:19,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074434544] [2024-11-05 06:02:19,491 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 06:02:19,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-05 06:02:19,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:02:19,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-05 06:02:19,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 06:02:19,525 INFO L87 Difference]: Start difference. First operand has 457 states, 346 states have (on average 1.300578034682081) internal successors, (450), 361 states have internal predecessors, (450), 84 states have call successors, (84), 26 states have call predecessors, (84), 25 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-05 06:02:19,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:02:19,616 INFO L93 Difference]: Finished difference Result 909 states and 1241 transitions. [2024-11-05 06:02:19,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-05 06:02:19,618 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 46 [2024-11-05 06:02:19,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:02:19,632 INFO L225 Difference]: With dead ends: 909 [2024-11-05 06:02:19,632 INFO L226 Difference]: Without dead ends: 439 [2024-11-05 06:02:19,640 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 06:02:19,646 INFO L432 NwaCegarLoop]: 608 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-05 06:02:19,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 06:02:19,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2024-11-05 06:02:19,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 439. [2024-11-05 06:02:19,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 335 states have (on average 1.2686567164179106) internal successors, (425), 343 states have internal predecessors, (425), 79 states have call successors, (79), 25 states have call predecessors, (79), 24 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-05 06:02:19,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 581 transitions. [2024-11-05 06:02:19,742 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 581 transitions. Word has length 46 [2024-11-05 06:02:19,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:02:19,743 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 581 transitions. [2024-11-05 06:02:19,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-05 06:02:19,744 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 581 transitions. [2024-11-05 06:02:19,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-05 06:02:19,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:02:19,747 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 06:02:19,761 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-05 06:02:19,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:02:19,952 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:02:19,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:02:19,953 INFO L85 PathProgramCache]: Analyzing trace with hash -960753369, now seen corresponding path program 1 times [2024-11-05 06:02:19,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:02:19,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1987682305] [2024-11-05 06:02:19,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:02:19,953 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:02:19,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:02:19,954 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 06:02:19,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-05 06:02:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:02:20,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-05 06:02:20,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:02:20,658 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 06:02:20,658 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:02:21,041 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-05 06:02:21,041 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:02:21,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1987682305] [2024-11-05 06:02:21,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1987682305] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 06:02:21,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 06:02:21,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-05 06:02:21,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253991440] [2024-11-05 06:02:21,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 06:02:21,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 06:02:21,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:02:21,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 06:02:21,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-05 06:02:21,045 INFO L87 Difference]: Start difference. First operand 439 states and 581 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-05 06:02:21,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:02:21,191 INFO L93 Difference]: Finished difference Result 876 states and 1160 transitions. [2024-11-05 06:02:21,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 06:02:21,192 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2024-11-05 06:02:21,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:02:21,196 INFO L225 Difference]: With dead ends: 876 [2024-11-05 06:02:21,197 INFO L226 Difference]: Without dead ends: 440 [2024-11-05 06:02:21,199 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-05 06:02:21,201 INFO L432 NwaCegarLoop]: 579 mSDtfsCounter, 0 mSDsluCounter, 1152 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1731 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-05 06:02:21,204 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1731 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-05 06:02:21,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-11-05 06:02:21,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2024-11-05 06:02:21,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 336 states have (on average 1.2678571428571428) internal successors, (426), 344 states have internal predecessors, (426), 79 states have call successors, (79), 25 states have call predecessors, (79), 24 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-05 06:02:21,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 582 transitions. [2024-11-05 06:02:21,245 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 582 transitions. Word has length 46 [2024-11-05 06:02:21,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:02:21,248 INFO L471 AbstractCegarLoop]: Abstraction has 440 states and 582 transitions. [2024-11-05 06:02:21,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-05 06:02:21,249 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 582 transitions. [2024-11-05 06:02:21,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-05 06:02:21,251 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:02:21,251 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 06:02:21,266 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-05 06:02:21,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:02:21,452 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:02:21,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:02:21,453 INFO L85 PathProgramCache]: Analyzing trace with hash 2028909633, now seen corresponding path program 1 times [2024-11-05 06:02:21,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:02:21,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1097868600] [2024-11-05 06:02:21,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:02:21,453 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:02:21,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:02:21,455 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 06:02:21,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-05 06:02:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:02:21,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-05 06:02:21,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:02:22,192 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-05 06:02:22,193 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:02:22,700 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-05 06:02:22,700 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:02:22,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1097868600] [2024-11-05 06:02:22,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1097868600] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 06:02:22,701 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 06:02:22,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-05 06:02:22,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259297989] [2024-11-05 06:02:22,701 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 06:02:22,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-05 06:02:22,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:02:22,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-05 06:02:22,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-05 06:02:22,703 INFO L87 Difference]: Start difference. First operand 440 states and 582 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-05 06:02:23,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:02:23,415 INFO L93 Difference]: Finished difference Result 887 states and 1175 transitions. [2024-11-05 06:02:23,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-05 06:02:23,416 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 48 [2024-11-05 06:02:23,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:02:23,420 INFO L225 Difference]: With dead ends: 887 [2024-11-05 06:02:23,420 INFO L226 Difference]: Without dead ends: 450 [2024-11-05 06:02:23,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-05 06:02:23,423 INFO L432 NwaCegarLoop]: 578 mSDtfsCounter, 5 mSDsluCounter, 2872 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 3450 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-05 06:02:23,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 3450 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-05 06:02:23,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2024-11-05 06:02:23,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2024-11-05 06:02:23,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 345 states have (on average 1.2695652173913043) internal successors, (438), 353 states have internal predecessors, (438), 79 states have call successors, (79), 26 states have call predecessors, (79), 25 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-05 06:02:23,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 594 transitions. [2024-11-05 06:02:23,444 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 594 transitions. Word has length 48 [2024-11-05 06:02:23,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:02:23,444 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 594 transitions. [2024-11-05 06:02:23,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-05 06:02:23,444 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 594 transitions. [2024-11-05 06:02:23,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-05 06:02:23,446 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:02:23,446 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 06:02:23,459 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-05 06:02:23,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:02:23,647 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:02:23,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:02:23,648 INFO L85 PathProgramCache]: Analyzing trace with hash 709441479, now seen corresponding path program 2 times [2024-11-05 06:02:23,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:02:23,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1541330505] [2024-11-05 06:02:23,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:02:23,648 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:02:23,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:02:23,650 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 06:02:23,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-05 06:02:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:02:24,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-05 06:02:24,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:02:24,661 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-05 06:02:24,662 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:02:25,727 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-05 06:02:25,727 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:02:25,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1541330505] [2024-11-05 06:02:25,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1541330505] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 06:02:25,728 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 06:02:25,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-05 06:02:25,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025344356] [2024-11-05 06:02:25,728 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 06:02:25,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-05 06:02:25,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:02:25,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-05 06:02:25,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-05 06:02:25,730 INFO L87 Difference]: Start difference. First operand 450 states and 594 transitions. Second operand has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-05 06:02:27,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:02:27,448 INFO L93 Difference]: Finished difference Result 897 states and 1188 transitions. [2024-11-05 06:02:27,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-05 06:02:27,449 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 52 [2024-11-05 06:02:27,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:02:27,454 INFO L225 Difference]: With dead ends: 897 [2024-11-05 06:02:27,454 INFO L226 Difference]: Without dead ends: 456 [2024-11-05 06:02:27,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=144, Invalid=276, Unknown=0, NotChecked=0, Total=420 [2024-11-05 06:02:27,459 INFO L432 NwaCegarLoop]: 578 mSDtfsCounter, 10 mSDsluCounter, 4023 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 4601 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-05 06:02:27,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 4601 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-05 06:02:27,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2024-11-05 06:02:27,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 456. [2024-11-05 06:02:27,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 351 states have (on average 1.2678062678062678) internal successors, (445), 359 states have internal predecessors, (445), 79 states have call successors, (79), 26 states have call predecessors, (79), 25 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-05 06:02:27,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 601 transitions. [2024-11-05 06:02:27,488 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 601 transitions. Word has length 52 [2024-11-05 06:02:27,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:02:27,488 INFO L471 AbstractCegarLoop]: Abstraction has 456 states and 601 transitions. [2024-11-05 06:02:27,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-05 06:02:27,488 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 601 transitions. [2024-11-05 06:02:27,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-05 06:02:27,490 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:02:27,490 INFO L215 NwaCegarLoop]: trace histogram [10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 06:02:27,510 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-05 06:02:27,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:02:27,691 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:02:27,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:02:27,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1697453561, now seen corresponding path program 3 times [2024-11-05 06:02:27,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:02:27,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [114351801] [2024-11-05 06:02:27,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:02:27,692 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:02:27,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:02:27,693 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 06:02:27,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-05 06:02:28,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:02:28,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-05 06:02:28,374 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:02:28,704 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 30 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-05 06:02:28,704 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:02:29,398 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 30 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-05 06:02:29,399 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:02:29,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [114351801] [2024-11-05 06:02:29,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [114351801] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 06:02:29,399 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 06:02:29,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-05 06:02:29,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878824317] [2024-11-05 06:02:29,399 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 06:02:29,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-05 06:02:29,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:02:29,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-05 06:02:29,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-05 06:02:29,400 INFO L87 Difference]: Start difference. First operand 456 states and 601 transitions. Second operand has 10 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-05 06:02:30,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:02:30,039 INFO L93 Difference]: Finished difference Result 888 states and 1172 transitions. [2024-11-05 06:02:30,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-05 06:02:30,041 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 56 [2024-11-05 06:02:30,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:02:30,045 INFO L225 Difference]: With dead ends: 888 [2024-11-05 06:02:30,045 INFO L226 Difference]: Without dead ends: 456 [2024-11-05 06:02:30,047 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-11-05 06:02:30,048 INFO L432 NwaCegarLoop]: 577 mSDtfsCounter, 6 mSDsluCounter, 1728 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 2305 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-05 06:02:30,049 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 2305 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-05 06:02:30,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2024-11-05 06:02:30,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 456. [2024-11-05 06:02:30,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 351 states have (on average 1.2564102564102564) internal successors, (441), 359 states have internal predecessors, (441), 79 states have call successors, (79), 26 states have call predecessors, (79), 25 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-05 06:02:30,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 597 transitions. [2024-11-05 06:02:30,069 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 597 transitions. Word has length 56 [2024-11-05 06:02:30,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:02:30,070 INFO L471 AbstractCegarLoop]: Abstraction has 456 states and 597 transitions. [2024-11-05 06:02:30,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-05 06:02:30,070 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 597 transitions. [2024-11-05 06:02:30,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-05 06:02:30,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:02:30,071 INFO L215 NwaCegarLoop]: trace histogram [12, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 06:02:30,087 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-05 06:02:30,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:02:30,272 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:02:30,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:02:30,273 INFO L85 PathProgramCache]: Analyzing trace with hash 944801383, now seen corresponding path program 4 times [2024-11-05 06:02:30,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:02:30,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1282141218] [2024-11-05 06:02:30,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:02:30,273 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:02:30,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:02:30,275 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 06:02:30,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-05 06:02:30,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:02:30,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 06:02:30,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:02:30,987 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-05 06:02:30,987 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:02:31,182 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-05 06:02:31,182 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:02:31,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1282141218] [2024-11-05 06:02:31,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1282141218] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 06:02:31,182 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 06:02:31,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-05 06:02:31,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023860583] [2024-11-05 06:02:31,183 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 06:02:31,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 06:02:31,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:02:31,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 06:02:31,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 06:02:31,184 INFO L87 Difference]: Start difference. First operand 456 states and 597 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-05 06:02:35,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 06:02:37,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:02:37,282 INFO L93 Difference]: Finished difference Result 1686 states and 2235 transitions. [2024-11-05 06:02:37,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 06:02:37,283 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 58 [2024-11-05 06:02:37,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:02:37,292 INFO L225 Difference]: With dead ends: 1686 [2024-11-05 06:02:37,292 INFO L226 Difference]: Without dead ends: 1261 [2024-11-05 06:02:37,295 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 06:02:37,295 INFO L432 NwaCegarLoop]: 582 mSDtfsCounter, 1081 mSDsluCounter, 1479 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1081 SdHoareTripleChecker+Valid, 2061 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-11-05 06:02:37,296 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1081 Valid, 2061 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 174 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2024-11-05 06:02:37,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1261 states. [2024-11-05 06:02:37,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1261 to 1255. [2024-11-05 06:02:37,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 964 states have (on average 1.2686721991701244) internal successors, (1223), 986 states have internal predecessors, (1223), 221 states have call successors, (221), 70 states have call predecessors, (221), 69 states have return successors, (219), 219 states have call predecessors, (219), 219 states have call successors, (219) [2024-11-05 06:02:37,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1663 transitions. [2024-11-05 06:02:37,406 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1663 transitions. Word has length 58 [2024-11-05 06:02:37,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:02:37,408 INFO L471 AbstractCegarLoop]: Abstraction has 1255 states and 1663 transitions. [2024-11-05 06:02:37,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-05 06:02:37,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1663 transitions. [2024-11-05 06:02:37,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-05 06:02:37,409 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:02:37,409 INFO L215 NwaCegarLoop]: trace histogram [12, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 06:02:37,428 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-05 06:02:37,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:02:37,610 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:02:37,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:02:37,611 INFO L85 PathProgramCache]: Analyzing trace with hash 681581813, now seen corresponding path program 1 times [2024-11-05 06:02:37,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:02:37,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1149756755] [2024-11-05 06:02:37,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:02:37,611 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:02:37,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:02:37,612 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 06:02:37,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-05 06:02:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:02:38,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 06:02:38,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:02:39,190 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-05 06:02:39,191 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:02:39,735 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-05 06:02:39,735 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:02:39,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1149756755] [2024-11-05 06:02:39,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1149756755] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 06:02:39,735 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 06:02:39,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-05 06:02:39,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911865848] [2024-11-05 06:02:39,736 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 06:02:39,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 06:02:39,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:02:39,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 06:02:39,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 06:02:39,737 INFO L87 Difference]: Start difference. First operand 1255 states and 1663 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-05 06:02:39,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:02:39,854 INFO L93 Difference]: Finished difference Result 2445 states and 3250 transitions. [2024-11-05 06:02:39,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 06:02:39,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 61 [2024-11-05 06:02:39,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:02:39,872 INFO L225 Difference]: With dead ends: 2445 [2024-11-05 06:02:39,872 INFO L226 Difference]: Without dead ends: 2436 [2024-11-05 06:02:39,876 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 06:02:39,876 INFO L432 NwaCegarLoop]: 593 mSDtfsCounter, 532 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 1143 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-05 06:02:39,877 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 1143 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 06:02:39,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2436 states. [2024-11-05 06:02:39,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2436 to 2436. [2024-11-05 06:02:39,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2436 states, 1872 states have (on average 1.2713675213675213) internal successors, (2380), 1915 states have internal predecessors, (2380), 429 states have call successors, (429), 135 states have call predecessors, (429), 134 states have return successors, (427), 427 states have call predecessors, (427), 427 states have call successors, (427) [2024-11-05 06:02:39,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2436 states to 2436 states and 3236 transitions. [2024-11-05 06:02:39,993 INFO L78 Accepts]: Start accepts. Automaton has 2436 states and 3236 transitions. Word has length 61 [2024-11-05 06:02:39,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:02:39,994 INFO L471 AbstractCegarLoop]: Abstraction has 2436 states and 3236 transitions. [2024-11-05 06:02:39,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-05 06:02:39,994 INFO L276 IsEmpty]: Start isEmpty. Operand 2436 states and 3236 transitions. [2024-11-05 06:02:39,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-05 06:02:39,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:02:40,000 INFO L215 NwaCegarLoop]: trace histogram [12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 06:02:40,021 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-05 06:02:40,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:02:40,201 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:02:40,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:02:40,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1251422783, now seen corresponding path program 1 times [2024-11-05 06:02:40,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:02:40,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2102051458] [2024-11-05 06:02:40,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:02:40,202 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:02:40,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:02:40,205 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 06:02:40,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-05 06:02:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:02:40,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 06:02:40,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:02:41,113 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-11-05 06:02:41,113 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:02:41,656 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-11-05 06:02:41,656 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:02:41,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2102051458] [2024-11-05 06:02:41,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2102051458] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 06:02:41,656 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 06:02:41,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 06:02:41,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103967099] [2024-11-05 06:02:41,657 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 06:02:41,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 06:02:41,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:02:41,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 06:02:41,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 06:02:41,658 INFO L87 Difference]: Start difference. First operand 2436 states and 3236 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-05 06:02:41,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:02:41,926 INFO L93 Difference]: Finished difference Result 6897 states and 9162 transitions. [2024-11-05 06:02:41,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 06:02:41,927 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 122 [2024-11-05 06:02:41,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:02:41,956 INFO L225 Difference]: With dead ends: 6897 [2024-11-05 06:02:41,957 INFO L226 Difference]: Without dead ends: 4502 [2024-11-05 06:02:41,968 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 06:02:41,969 INFO L432 NwaCegarLoop]: 594 mSDtfsCounter, 488 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 1149 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-05 06:02:41,969 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 1149 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-05 06:02:41,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4502 states. [2024-11-05 06:02:42,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4502 to 4494. [2024-11-05 06:02:42,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4494 states, 3438 states have (on average 1.2705061082024434) internal successors, (4368), 3523 states have internal predecessors, (4368), 795 states have call successors, (795), 261 states have call predecessors, (795), 260 states have return successors, (793), 793 states have call predecessors, (793), 793 states have call successors, (793) [2024-11-05 06:02:42,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4494 states to 4494 states and 5956 transitions. [2024-11-05 06:02:42,196 INFO L78 Accepts]: Start accepts. Automaton has 4494 states and 5956 transitions. Word has length 122 [2024-11-05 06:02:42,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:02:42,197 INFO L471 AbstractCegarLoop]: Abstraction has 4494 states and 5956 transitions. [2024-11-05 06:02:42,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-05 06:02:42,197 INFO L276 IsEmpty]: Start isEmpty. Operand 4494 states and 5956 transitions. [2024-11-05 06:02:42,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-05 06:02:42,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:02:42,207 INFO L215 NwaCegarLoop]: trace histogram [12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 06:02:42,230 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-05 06:02:42,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:02:42,407 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:02:42,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:02:42,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1818712957, now seen corresponding path program 1 times [2024-11-05 06:02:42,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:02:42,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2020558252] [2024-11-05 06:02:42,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:02:42,408 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:02:42,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:02:42,411 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 06:02:42,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-05 06:02:43,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:02:43,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 868 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-05 06:02:43,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:02:43,858 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-05 06:02:43,858 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:02:44,849 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-05 06:02:44,849 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:02:44,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2020558252] [2024-11-05 06:02:44,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2020558252] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 06:02:44,849 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 06:02:44,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-05 06:02:44,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635297195] [2024-11-05 06:02:44,850 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 06:02:44,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 06:02:44,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:02:44,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 06:02:44,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-05 06:02:44,851 INFO L87 Difference]: Start difference. First operand 4494 states and 5956 transitions. Second operand has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 states have internal predecessors, (112), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-05 06:02:48,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 06:02:52,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 06:02:53,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:02:53,290 INFO L93 Difference]: Finished difference Result 7848 states and 10406 transitions. [2024-11-05 06:02:53,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-05 06:02:53,291 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 states have internal predecessors, (112), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 165 [2024-11-05 06:02:53,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:02:53,316 INFO L225 Difference]: With dead ends: 7848 [2024-11-05 06:02:53,317 INFO L226 Difference]: Without dead ends: 3387 [2024-11-05 06:02:53,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-05 06:02:53,336 INFO L432 NwaCegarLoop]: 582 mSDtfsCounter, 11 mSDsluCounter, 2311 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 2893 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2024-11-05 06:02:53,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 2893 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 2 Unknown, 0 Unchecked, 8.3s Time] [2024-11-05 06:02:53,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3387 states. [2024-11-05 06:02:53,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3387 to 3362. [2024-11-05 06:02:53,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3362 states, 2568 states have (on average 1.2686915887850467) internal successors, (3258), 2632 states have internal predecessors, (3258), 596 states have call successors, (596), 198 states have call predecessors, (596), 197 states have return successors, (594), 594 states have call predecessors, (594), 594 states have call successors, (594) [2024-11-05 06:02:53,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3362 states to 3362 states and 4448 transitions. [2024-11-05 06:02:53,518 INFO L78 Accepts]: Start accepts. Automaton has 3362 states and 4448 transitions. Word has length 165 [2024-11-05 06:02:53,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:02:53,519 INFO L471 AbstractCegarLoop]: Abstraction has 3362 states and 4448 transitions. [2024-11-05 06:02:53,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 states have internal predecessors, (112), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-05 06:02:53,519 INFO L276 IsEmpty]: Start isEmpty. Operand 3362 states and 4448 transitions. [2024-11-05 06:02:53,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-05 06:02:53,526 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:02:53,526 INFO L215 NwaCegarLoop]: trace histogram [12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 06:02:53,551 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-05 06:02:53,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:02:53,727 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:02:53,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:02:53,728 INFO L85 PathProgramCache]: Analyzing trace with hash -2055869236, now seen corresponding path program 1 times [2024-11-05 06:02:53,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:02:53,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1874581840] [2024-11-05 06:02:53,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:02:53,728 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:02:53,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:02:53,729 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 06:02:53,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-05 06:02:54,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:02:54,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 873 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-05 06:02:54,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:02:55,005 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-05 06:02:55,005 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:02:56,537 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-11-05 06:02:56,537 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:02:56,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1874581840] [2024-11-05 06:02:56,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1874581840] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 06:02:56,538 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 06:02:56,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2024-11-05 06:02:56,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037823112] [2024-11-05 06:02:56,538 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 06:02:56,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-05 06:02:56,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:02:56,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-05 06:02:56,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-05 06:02:56,539 INFO L87 Difference]: Start difference. First operand 3362 states and 4448 transitions. Second operand has 8 states, 8 states have (on average 12.375) internal successors, (99), 6 states have internal predecessors, (99), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (17), 4 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-05 06:02:56,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:02:56,851 INFO L93 Difference]: Finished difference Result 6364 states and 8486 transitions. [2024-11-05 06:02:56,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-05 06:02:56,852 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 6 states have internal predecessors, (99), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (17), 4 states have call predecessors, (17), 2 states have call successors, (17) Word has length 166 [2024-11-05 06:02:56,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:02:56,878 INFO L225 Difference]: With dead ends: 6364 [2024-11-05 06:02:56,879 INFO L226 Difference]: Without dead ends: 3380 [2024-11-05 06:02:56,889 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-05 06:02:56,890 INFO L432 NwaCegarLoop]: 580 mSDtfsCounter, 0 mSDsluCounter, 2306 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2886 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-05 06:02:56,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2886 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-05 06:02:56,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3380 states. [2024-11-05 06:02:57,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3380 to 3366. [2024-11-05 06:02:57,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3366 states, 2570 states have (on average 1.2684824902723735) internal successors, (3260), 2636 states have internal predecessors, (3260), 596 states have call successors, (596), 198 states have call predecessors, (596), 199 states have return successors, (610), 594 states have call predecessors, (610), 594 states have call successors, (610) [2024-11-05 06:02:57,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3366 states to 3366 states and 4466 transitions. [2024-11-05 06:02:57,029 INFO L78 Accepts]: Start accepts. Automaton has 3366 states and 4466 transitions. Word has length 166 [2024-11-05 06:02:57,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:02:57,030 INFO L471 AbstractCegarLoop]: Abstraction has 3366 states and 4466 transitions. [2024-11-05 06:02:57,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 6 states have internal predecessors, (99), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (17), 4 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-05 06:02:57,030 INFO L276 IsEmpty]: Start isEmpty. Operand 3366 states and 4466 transitions. [2024-11-05 06:02:57,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-05 06:02:57,036 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:02:57,037 INFO L215 NwaCegarLoop]: trace histogram [12, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 06:02:57,061 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2024-11-05 06:02:57,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:02:57,237 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:02:57,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:02:57,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1280871145, now seen corresponding path program 1 times [2024-11-05 06:02:57,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:02:57,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [68449687] [2024-11-05 06:02:57,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:02:57,238 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:02:57,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:02:57,242 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 06:02:57,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-05 06:02:59,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-05 06:02:59,583 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-05 06:03:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-05 06:03:02,185 INFO L130 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2024-11-05 06:03:02,185 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-05 06:03:02,186 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-05 06:03:02,219 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2024-11-05 06:03:02,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:03:02,391 INFO L407 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 06:03:02,524 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-05 06:03:02,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.11 06:03:02 BoogieIcfgContainer [2024-11-05 06:03:02,528 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-05 06:03:02,528 INFO L158 Benchmark]: Toolchain (without parser) took 54088.83ms. Allocated memory was 333.4MB in the beginning and 565.2MB in the end (delta: 231.7MB). Free memory was 278.3MB in the beginning and 179.4MB in the end (delta: 98.9MB). Peak memory consumption was 331.6MB. Max. memory is 8.0GB. [2024-11-05 06:03:02,528 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 197.1MB. Free memory is still 148.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-05 06:03:02,529 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1637.17ms. Allocated memory is still 333.4MB. Free memory was 278.3MB in the beginning and 242.2MB in the end (delta: 36.1MB). Peak memory consumption was 73.7MB. Max. memory is 8.0GB. [2024-11-05 06:03:02,529 INFO L158 Benchmark]: Boogie Procedure Inliner took 162.14ms. Allocated memory is still 333.4MB. Free memory was 242.2MB in the beginning and 230.8MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-11-05 06:03:02,529 INFO L158 Benchmark]: Boogie Preprocessor took 402.26ms. Allocated memory is still 333.4MB. Free memory was 230.8MB in the beginning and 168.4MB in the end (delta: 62.4MB). Peak memory consumption was 61.9MB. Max. memory is 8.0GB. [2024-11-05 06:03:02,529 INFO L158 Benchmark]: RCFGBuilder took 7893.50ms. Allocated memory was 333.4MB in the beginning and 470.8MB in the end (delta: 137.4MB). Free memory was 168.4MB in the beginning and 378.3MB in the end (delta: -210.0MB). Peak memory consumption was 53.2MB. Max. memory is 8.0GB. [2024-11-05 06:03:02,530 INFO L158 Benchmark]: TraceAbstraction took 43985.16ms. Allocated memory was 470.8MB in the beginning and 565.2MB in the end (delta: 94.4MB). Free memory was 377.8MB in the beginning and 179.4MB in the end (delta: 198.4MB). Peak memory consumption was 292.8MB. Max. memory is 8.0GB. [2024-11-05 06:03:02,531 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 197.1MB. Free memory is still 148.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1637.17ms. Allocated memory is still 333.4MB. Free memory was 278.3MB in the beginning and 242.2MB in the end (delta: 36.1MB). Peak memory consumption was 73.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 162.14ms. Allocated memory is still 333.4MB. Free memory was 242.2MB in the beginning and 230.8MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 402.26ms. Allocated memory is still 333.4MB. Free memory was 230.8MB in the beginning and 168.4MB in the end (delta: 62.4MB). Peak memory consumption was 61.9MB. Max. memory is 8.0GB. * RCFGBuilder took 7893.50ms. Allocated memory was 333.4MB in the beginning and 470.8MB in the end (delta: 137.4MB). Free memory was 168.4MB in the beginning and 378.3MB in the end (delta: -210.0MB). Peak memory consumption was 53.2MB. Max. memory is 8.0GB. * TraceAbstraction took 43985.16ms. Allocated memory was 470.8MB in the beginning and 565.2MB in the end (delta: 94.4MB). Free memory was 377.8MB in the beginning and 179.4MB in the end (delta: 198.4MB). Peak memory consumption was 292.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3095]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3095-3096] - GenericResultAtLocation [Line: 3374]: 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/linux/scatterlist.h"), "i" (63), "i" (12UL)); [3374-3375] - GenericResultAtLocation [Line: 3382]: 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/linux/scatterlist.h"), "i" (65), "i" (12UL)); [3382-3383] - GenericResultAtLocation [Line: 3390]: 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/linux/scatterlist.h"), "i" (66), "i" (12UL)); [3390-3391] - GenericResultAtLocation [Line: 3605]: 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 *)"/home/ldvuser/andrianov/commit-tester-work/task-014--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c"), "i" (123), "i" (12UL)); [3605-3606] - GenericResultAtLocation [Line: 3680]: 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 *)"/home/ldvuser/andrianov/commit-tester-work/task-014--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c"), "i" (177), "i" (12UL)); [3680-3681] - GenericResultAtLocation [Line: 4002]: 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 *)"/home/ldvuser/andrianov/commit-tester-work/task-014--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c"), "i" (467), "i" (12UL)); [4002-4003] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 4236]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of large string literal at line 4024. Possible FailurePath: [L3355] int LDV_IN_INTERRUPT = 1; [L3356] struct block_device *virtblk_fops_group0 ; [L3357] int ldv_state_variable_2 ; [L3358] int ref_cnt ; [L3359] int ldv_state_variable_1 ; [L3360] struct virtio_device *virtio_blk_group0 ; [L3361] int ldv_state_variable_0 ; [L3492] static int major ; [L3493] static int index ; [L3818-L3819] static struct block_device_operations const virtblk_fops = {0, 0, & virtblk_ioctl, 0, 0, 0, 0, 0, 0, & virtblk_getgeo, 0, & __this_module}; [L3818-L3819] static struct block_device_operations const virtblk_fops = {0, 0, & virtblk_ioctl, 0, 0, 0, 0, 0, 0, & virtblk_getgeo, 0, & __this_module}; [L3818-L3819] static struct block_device_operations const virtblk_fops = {0, 0, & virtblk_ioctl, 0, 0, 0, 0, 0, 0, & virtblk_getgeo, 0, & __this_module}; [L3818-L3819] static struct block_device_operations const virtblk_fops = {0, 0, & virtblk_ioctl, 0, 0, 0, 0, 0, 0, & virtblk_getgeo, 0, & __this_module}; [L3818-L3819] static struct block_device_operations const virtblk_fops = {0, 0, & virtblk_ioctl, 0, 0, 0, 0, 0, 0, & virtblk_getgeo, 0, & __this_module}; [L3818-L3819] static struct block_device_operations const virtblk_fops = {0, 0, & virtblk_ioctl, 0, 0, 0, 0, 0, 0, & virtblk_getgeo, 0, & __this_module}; [L3818-L3819] static struct block_device_operations const virtblk_fops = {0, 0, & virtblk_ioctl, 0, 0, 0, 0, 0, 0, & virtblk_getgeo, 0, & __this_module}; [L3818-L3819] static struct block_device_operations const virtblk_fops = {0, 0, & virtblk_ioctl, 0, 0, 0, 0, 0, 0, & virtblk_getgeo, 0, & __this_module}; [L3818-L3819] static struct block_device_operations const virtblk_fops = {0, 0, & virtblk_ioctl, 0, 0, 0, 0, 0, 0, & virtblk_getgeo, 0, & __this_module}; [L3818-L3819] static struct block_device_operations const virtblk_fops = {0, 0, & virtblk_ioctl, 0, 0, 0, 0, 0, 0, & virtblk_getgeo, 0, & __this_module}; [L3818-L3819] static struct block_device_operations const virtblk_fops = {0, 0, & virtblk_ioctl, 0, 0, 0, 0, 0, 0, & virtblk_getgeo, 0, & __this_module}; [L3818-L3819] static struct block_device_operations const virtblk_fops = {0, 0, & virtblk_ioctl, 0, 0, 0, 0, 0, 0, & virtblk_getgeo, 0, & __this_module}; [L3818-L3819] static struct block_device_operations const virtblk_fops = {0, 0, & virtblk_ioctl, 0, 0, 0, 0, 0, 0, & virtblk_getgeo, 0, & __this_module}; [L3818-L3819] static struct block_device_operations const virtblk_fops = {0, 0, & virtblk_ioctl, 0, 0, 0, 0, 0, 0, & virtblk_getgeo, 0, & __this_module}; [L4018-L4019] static struct virtio_device_id const id_table[2U] = { {2U, 4294967295U}, {0U, 0U}}; [L4018-L4019] static struct virtio_device_id const id_table[2U] = { {2U, 4294967295U}, {0U, 0U}}; [L4018-L4019] static struct virtio_device_id const id_table[2U] = { {2U, 4294967295U}, {0U, 0U}}; [L4018-L4019] static struct virtio_device_id const id_table[2U] = { {2U, 4294967295U}, {0U, 0U}}; [L4018-L4019] static struct virtio_device_id const id_table[2U] = { {2U, 4294967295U}, {0U, 0U}}; [L4020-L4023] static unsigned int features[9U] = { 0U, 2U, 1U, 4U, 5U, 6U, 7U, 9U, 10U}; [L4020-L4023] static unsigned int features[9U] = { 0U, 2U, 1U, 4U, 5U, 6U, 7U, 9U, 10U}; [L4020-L4023] static unsigned int features[9U] = { 0U, 2U, 1U, 4U, 5U, 6U, 7U, 9U, 10U}; [L4020-L4023] static unsigned int features[9U] = { 0U, 2U, 1U, 4U, 5U, 6U, 7U, 9U, 10U}; [L4020-L4023] static unsigned int features[9U] = { 0U, 2U, 1U, 4U, 5U, 6U, 7U, 9U, 10U}; [L4020-L4023] static unsigned int features[9U] = { 0U, 2U, 1U, 4U, 5U, 6U, 7U, 9U, 10U}; [L4020-L4023] static unsigned int features[9U] = { 0U, 2U, 1U, 4U, 5U, 6U, 7U, 9U, 10U}; [L4020-L4023] static unsigned int features[9U] = { 0U, 2U, 1U, 4U, 5U, 6U, 7U, 9U, 10U}; [L4020-L4023] static unsigned int features[9U] = { 0U, 2U, 1U, 4U, 5U, 6U, 7U, 9U, 10U}; [L4020-L4023] static unsigned int features[9U] = { 0U, 2U, 1U, 4U, 5U, 6U, 7U, 9U, 10U}; [L4024-L4025] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4024-L4025] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4024-L4025] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4024-L4025] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4024-L4025] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4024-L4025] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4024-L4025] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4024-L4025] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4024-L4025] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4024-L4025] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4024-L4025] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4024-L4025] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4024-L4025] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4024-L4025] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4024-L4025] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4024-L4025] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4024-L4025] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4024-L4025] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4024-L4025] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4024-L4025] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4024-L4025] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4024-L4025] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4047] struct virtio_device_id const __mod_virtio_device_table ; [L4048] int ldv_retval_0 ; [L4049] int ldv_retval_1 ; [L4283] int ldv_blk_rq = 0; VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={0:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L4072] unsigned long ldvarg1 ; [L4073] fmode_t ldvarg3 ; [L4074] struct hd_geometry *ldvarg0 ; [L4075] void *tmp ; [L4076] unsigned int ldvarg2 ; [L4077] int tmp___0 ; [L4078] int tmp___1 ; [L4079] int tmp___2 ; [L4080] int tmp___3 ; VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg1={288230376151711767:0}, ldvarg3={18014398509482026:0}, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={0:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L4082] CALL, EXPR ldv_init_zalloc(16UL) VAL [LDV_IN_INTERRUPT=1, \old(size)=16, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={0:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L3290] void *p ; [L3291] void *tmp ; [L3293] EXPR, FCALL calloc(1UL, size) VAL [LDV_IN_INTERRUPT=1, \old(size)=16, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, size=16, virtblk_fops={8:0}, virtblk_fops_group0={0:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L3293] tmp = calloc(1UL, size) [L3294] p = tmp VAL [LDV_IN_INTERRUPT=1, \old(size)=16, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, p={18:0}, ref_cnt=0, size=16, virtblk_fops={8:0}, virtblk_fops_group0={0:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L3295] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [LDV_IN_INTERRUPT=1, \old(cond)=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={0:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L3249] COND FALSE !(!cond) VAL [LDV_IN_INTERRUPT=1, \old(cond)=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={0:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L3295] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [LDV_IN_INTERRUPT=1, \old(size)=16, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, p={18:0}, ref_cnt=0, size=16, virtblk_fops={8:0}, virtblk_fops_group0={0:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L3296] return (p); VAL [LDV_IN_INTERRUPT=1, \old(size)=16, \result={18:0}, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, size=16, virtblk_fops={8:0}, virtblk_fops_group0={0:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L4082] RET, EXPR ldv_init_zalloc(16UL) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg1={288230376151711767:0}, ldvarg3={18014398509482026:0}, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={0:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L4082] tmp = ldv_init_zalloc(16UL) [L4083] ldvarg0 = (struct hd_geometry *)tmp [L4084] FCALL ldv_initialize() [L4085] CALL ldv_memset((void *)(& ldvarg1), 0, 8UL) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={0:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L3301] void *tmp ; [L3303] EXPR, FCALL memset(s, c, n) [L3303] tmp = memset(s, c, n) [L3304] return (tmp); VAL [LDV_IN_INTERRUPT=1, \old(c)=0, \old(n)=8, \old(s)={288230376151711767:0}, \result={288230376151711767:0}, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={0:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L4085] RET ldv_memset((void *)(& ldvarg1), 0, 8UL) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18:0}, ldvarg1={288230376151711767:0}, ldvarg3={18014398509482026:0}, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={0:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L4086] CALL ldv_memset((void *)(& ldvarg3), 0, 4UL) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={0:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L3301] void *tmp ; [L3303] EXPR, FCALL memset(s, c, n) [L3303] tmp = memset(s, c, n) [L3304] return (tmp); VAL [LDV_IN_INTERRUPT=1, \old(c)=0, \old(n)=4, \old(s)={18014398509482026:0}, \result={18014398509482026:0}, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={0:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L4086] RET ldv_memset((void *)(& ldvarg3), 0, 4UL) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18:0}, ldvarg1={288230376151711767:0}, ldvarg3={18014398509482026:0}, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={0:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L4087] ldvarg2 = __VERIFIER_nondet_ulong () [L4088] ldv_state_variable_1 = 0 [L4089] ref_cnt = 0 [L4090] ldv_state_variable_0 = 1 [L4091] ldv_state_variable_2 = 0 VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18:0}, ldvarg1={288230376151711767:0}, ldvarg2=1447184708, ldvarg3={18014398509482026:0}, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={0:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L4093] tmp___0 = __VERIFIER_nondet_int() [L4095] case 0: VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18:0}, ldvarg1={288230376151711767:0}, ldvarg2=1447184708, ldvarg3={18014398509482026:0}, major=0, ref_cnt=0, tmp___0=1, virtblk_fops={8:0}, virtblk_fops_group0={0:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L4095] case 0: [L4125] case 1: [L4127] tmp___2 = __VERIFIER_nondet_int() [L4129] case 0: VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18:0}, ldvarg1={288230376151711767:0}, ldvarg2=1447184708, ldvarg3={18014398509482026:0}, major=0, ref_cnt=0, tmp___0=1, tmp___2=1, virtblk_fops={8:0}, virtblk_fops_group0={0:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L4125] case 1: [L4137] case 1: VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18:0}, ldvarg1={288230376151711767:0}, ldvarg2=1447184708, ldvarg3={18014398509482026:0}, major=0, ref_cnt=0, tmp___0=1, virtblk_fops={8:0}, virtblk_fops_group0={0:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L4125] case 1: [L4139] CALL, EXPR init() [L4028] int tmp ; [L4030] CALL, EXPR register_blkdev(0U, "virtblk") [L4472] return __VERIFIER_nondet_int(); [L4030] RET, EXPR register_blkdev(0U, "virtblk") [L4030] major = register_blkdev(0U, "virtblk") [L4031] COND FALSE !(major < 0) [L4035] CALL, EXPR register_virtio_driver(& virtio_blk) [L4476] return __VERIFIER_nondet_int(); [L4035] RET, EXPR register_virtio_driver(& virtio_blk) [L4035] tmp = register_virtio_driver(& virtio_blk) [L4036] return (tmp); VAL [LDV_IN_INTERRUPT=1, \result=0, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={0:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L4139] RET, EXPR init() [L4139] ldv_retval_1 = init() [L4125] case 1: [L4141] ldv_state_variable_0 = 3 [L4142] ldv_state_variable_2 = 1 [L4143] CALL ldv_initialize_block_device_operations_2() [L4063] void *tmp ; VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={0:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L4065] CALL, EXPR ldv_init_zalloc(464UL) VAL [LDV_IN_INTERRUPT=1, \old(size)=464, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={0:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L3290] void *p ; [L3291] void *tmp ; [L3293] EXPR, FCALL calloc(1UL, size) VAL [LDV_IN_INTERRUPT=1, \old(size)=464, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, size=464, virtblk_fops={8:0}, virtblk_fops_group0={0:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L3293] tmp = calloc(1UL, size) [L3294] p = tmp VAL [LDV_IN_INTERRUPT=1, \old(size)=464, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, p={524300:0}, ref_cnt=0, size=464, virtblk_fops={8:0}, virtblk_fops_group0={0:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L3295] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [LDV_IN_INTERRUPT=1, \old(cond)=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={0:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L3249] COND FALSE !(!cond) VAL [LDV_IN_INTERRUPT=1, \old(cond)=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={0:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L3295] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [LDV_IN_INTERRUPT=1, \old(size)=464, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, p={524300:0}, ref_cnt=0, size=464, virtblk_fops={8:0}, virtblk_fops_group0={0:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L3296] return (p); VAL [LDV_IN_INTERRUPT=1, \old(size)=464, \result={524300:0}, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, size=464, virtblk_fops={8:0}, virtblk_fops_group0={0:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L4065] RET, EXPR ldv_init_zalloc(464UL) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={0:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L4065] tmp = ldv_init_zalloc(464UL) [L4066] virtblk_fops_group0 = (struct block_device *)tmp VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L4143] RET ldv_initialize_block_device_operations_2() [L4144] ldv_state_variable_1 = 1 [L4145] CALL ldv_initialize_virtio_driver_1() [L4054] void *tmp ; VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L4056] CALL, EXPR ldv_init_zalloc(1048UL) VAL [LDV_IN_INTERRUPT=1, \old(size)=1048, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L3290] void *p ; [L3291] void *tmp ; [L3293] EXPR, FCALL calloc(1UL, size) VAL [LDV_IN_INTERRUPT=1, \old(size)=1048, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, size=1048, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L3293] tmp = calloc(1UL, size) [L3294] p = tmp VAL [LDV_IN_INTERRUPT=1, \old(size)=1048, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={15:0}, ref_cnt=0, size=1048, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L3295] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [LDV_IN_INTERRUPT=1, \old(cond)=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L3249] COND FALSE !(!cond) VAL [LDV_IN_INTERRUPT=1, \old(cond)=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L3295] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [LDV_IN_INTERRUPT=1, \old(size)=1048, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={15:0}, ref_cnt=0, size=1048, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L3296] return (p); VAL [LDV_IN_INTERRUPT=1, \old(size)=1048, \result={15:0}, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, size=1048, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L4056] RET, EXPR ldv_init_zalloc(1048UL) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={0:0}] [L4056] tmp = ldv_init_zalloc(1048UL) [L4057] virtio_blk_group0 = (struct virtio_device *)tmp VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4145] RET ldv_initialize_virtio_driver_1() [L4125] case 1: VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18:0}, ldvarg1={288230376151711767:0}, ldvarg2=1447184708, ldvarg3={18014398509482026:0}, major=0, ref_cnt=0, tmp___0=1, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4093] tmp___0 = __VERIFIER_nondet_int() [L4095] case 0: VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18:0}, ldvarg1={288230376151711767:0}, ldvarg2=1447184708, ldvarg3={18014398509482026:0}, major=0, ref_cnt=0, tmp___0=2, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4095] case 0: [L4125] case 1: [L4163] case 2: VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18:0}, ldvarg1={288230376151711767:0}, ldvarg2=1447184708, ldvarg3={18014398509482026:0}, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4163] case 2: VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4163] case 2: [L4165] tmp___3 = __VERIFIER_nondet_int() [L4167] case 0: VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18:0}, ldvarg1={288230376151711767:0}, ldvarg2=1447184708, ldvarg3={18014398509482026:0}, major=0, ref_cnt=0, tmp___3=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4163] case 2: VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4163] case 2: [L4169] EXPR \read(ldvarg3) [L4169] EXPR \read(ldvarg1) [L4169] CALL virtblk_ioctl(virtblk_fops_group0, ldvarg3, ldvarg2, ldvarg1) [L3756] struct gendisk *disk ; [L3757] struct virtio_blk *vblk ; [L3758] void *usr_data ; [L3759] char id_str[20U] ; [L3760] int err ; [L3761] int tmp ; [L3762] bool tmp___0 ; [L3763] int tmp___1 ; [L3764] int tmp___2 ; [L3766] EXPR bdev->bd_disk [L3766] disk = bdev->bd_disk [L3767] EXPR disk->private_data [L3767] vblk = (struct virtio_blk *)disk->private_data [L3768] COND TRUE cmd == 1447184708U [L3769] usr_data = (void *)data [L3770] CALL, EXPR virtblk_get_id(disk, (char *)(& id_str)) [L3723] struct virtio_blk *vblk ; [L3724] struct request *req ; [L3725] struct bio *bio ; [L3726] long tmp ; [L3727] long tmp___0 ; [L3728] long tmp___1 ; [L3729] long tmp___2 ; [L3730] int tmp___3 ; [L3732] EXPR disk->private_data [L3732] vblk = (struct virtio_blk *)disk->private_data [L3733] EXPR vblk->disk [L3733] EXPR (vblk->disk)->queue [L3733] CALL, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L4381] CALL, EXPR ldv_malloc(sizeof(struct bio)) VAL [LDV_IN_INTERRUPT=1, \old(size)=112, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L3254] void *p ; [L3255] void *tmp ; [L3256] int tmp___0 ; [L3258] tmp___0 = __VERIFIER_nondet_int() [L3259] COND TRUE tmp___0 != 0 [L3260] return ((void *)0); VAL [LDV_IN_INTERRUPT=1, \old(size)=112, \result={0:0}, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, size=112, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4381] RET, EXPR ldv_malloc(sizeof(struct bio)) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4381] return ldv_malloc(sizeof(struct bio)); [L3733] RET, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L3733] bio = bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L3734] CALL, EXPR IS_ERR((void const *)bio) VAL [LDV_IN_INTERRUPT=1, \old(ptr)={0:0}, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4216] bool tmp ; VAL [LDV_IN_INTERRUPT=1, \old(ptr)={0:0}, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={0:0}, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4218] CALL, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, \old(ptr)={0:0}, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4242] return ((unsigned long )ptr > 2012UL); VAL [LDV_IN_INTERRUPT=1, \old(ptr)={0:0}, \result=0, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4218] RET, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, \old(ptr)={0:0}, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={0:0}, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4218] tmp = ldv_is_err(ptr) [L4219] return ((long )tmp); VAL [LDV_IN_INTERRUPT=1, \old(ptr)={0:0}, \result=0, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={0:0}, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L3734] RET, EXPR IS_ERR((void const *)bio) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, bio={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, vblk={0:4503599627370496}, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L3734] tmp___0 = IS_ERR((void const *)bio) [L3735] COND FALSE !(tmp___0 != 0L) [L3740] EXPR vblk->disk [L3740] EXPR (vblk->disk)->queue [L3740] CALL, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L4225] struct request *tmp ; [L4227] CALL, EXPR ldv_blk_make_request(ldv_func_arg3) [L4309] struct request *res ; [L4310] long tmp___0 ; VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4312] COND FALSE !(ldv_blk_rq != 0) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4316] CALL, EXPR ldv_malloc(sizeof(struct request)) VAL [LDV_IN_INTERRUPT=1, \old(size)=322, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L3254] void *p ; [L3255] void *tmp ; [L3256] int tmp___0 ; [L3258] tmp___0 = __VERIFIER_nondet_int() [L3259] COND FALSE !(tmp___0 != 0) [L3262] tmp = malloc(size) [L3263] p = tmp VAL [LDV_IN_INTERRUPT=1, \old(size)=322, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={14:0}, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L3264] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [LDV_IN_INTERRUPT=1, \old(cond)=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L3249] COND FALSE !(!cond) VAL [LDV_IN_INTERRUPT=1, \old(cond)=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L3264] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [LDV_IN_INTERRUPT=1, \old(size)=322, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={14:0}, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L3265] CALL, EXPR IS_ERR(p) VAL [LDV_IN_INTERRUPT=1, \old(ptr)={14:0}, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4216] bool tmp ; VAL [LDV_IN_INTERRUPT=1, \old(ptr)={14:0}, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={14:0}, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4218] CALL, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, \old(ptr)={14:0}, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4242] return ((unsigned long )ptr > 2012UL); VAL [LDV_IN_INTERRUPT=1, \old(ptr)={14:0}, \result=0, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4218] RET, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, \old(ptr)={14:0}, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={14:0}, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4218] tmp = ldv_is_err(ptr) [L4219] return ((long )tmp); VAL [LDV_IN_INTERRUPT=1, \old(ptr)={14:0}, \result=0, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={14:0}, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L3265] RET, EXPR IS_ERR(p) VAL [LDV_IN_INTERRUPT=1, \old(size)=322, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={14:0}, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L3265] CALL assume_abort_if_not(IS_ERR(p) == 0) VAL [LDV_IN_INTERRUPT=1, \old(cond)=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L3249] COND FALSE !(!cond) VAL [LDV_IN_INTERRUPT=1, \old(cond)=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L3265] RET assume_abort_if_not(IS_ERR(p) == 0) VAL [LDV_IN_INTERRUPT=1, \old(size)=322, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={14:0}, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L3266] return (p); VAL [LDV_IN_INTERRUPT=1, \old(size)=322, \result={14:0}, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4316] RET, EXPR ldv_malloc(sizeof(struct request)) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4316] res = ldv_malloc(sizeof(struct request)) [L4317] COND FALSE !((unsigned long )res == (unsigned long )((struct request *)0)) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, res={14:0}, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4321] CALL, EXPR IS_ERR___0((void const *)res) [L4277] long tmp ; VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={14:0}, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4279] CALL, EXPR ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) VAL [LDV_IN_INTERRUPT=1, \old(c)=0, \old(exp)=0, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L3333] return (exp); VAL [LDV_IN_INTERRUPT=1, \old(c)=0, \old(exp)=0, \result=0, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4279] RET, EXPR ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={14:0}, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4279] tmp = ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) [L4280] return (tmp); VAL [LDV_IN_INTERRUPT=1, \result=0, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={14:0}, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4321] RET, EXPR IS_ERR___0((void const *)res) [L4321] tmp___0 = IS_ERR___0((void const *)res) [L4322] COND TRUE tmp___0 == 0L [L4323] ldv_blk_rq = 1 VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, res={14:0}, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4326] return (res); VAL [LDV_IN_INTERRUPT=1, \result={14:0}, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4227] RET, EXPR ldv_blk_make_request(ldv_func_arg3) [L4227] tmp = ldv_blk_make_request(ldv_func_arg3) [L4228] return (tmp); VAL [LDV_IN_INTERRUPT=1, \result={14:0}, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L3740] RET, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L3740] req = ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L3741] CALL, EXPR IS_ERR((void const *)req) VAL [LDV_IN_INTERRUPT=1, \old(ptr)={14:0}, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4216] bool tmp ; VAL [LDV_IN_INTERRUPT=1, \old(ptr)={14:0}, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={14:0}, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4218] CALL, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, \old(ptr)={14:0}, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4242] return ((unsigned long )ptr > 2012UL); VAL [LDV_IN_INTERRUPT=1, \old(ptr)={14:0}, \result=0, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4218] RET, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, \old(ptr)={14:0}, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={14:0}, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4218] tmp = ldv_is_err(ptr) [L4219] return ((long )tmp); VAL [LDV_IN_INTERRUPT=1, \old(ptr)={14:0}, \result=0, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={14:0}, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L3741] RET, EXPR IS_ERR((void const *)req) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, bio={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, req={14:0}, vblk={0:4503599627370496}, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L3741] tmp___2 = IS_ERR((void const *)req) [L3742] COND FALSE !(tmp___2 != 0L) [L3748] req->cmd_type = 7 [L3749] EXPR vblk->disk [L3749] EXPR (vblk->disk)->queue [L3749] EXPR vblk->disk [L3749] CALL, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L4391] return __VERIFIER_nondet_int(); [L3749] RET, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3749] tmp___3 = blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3750] return (tmp___3); VAL [LDV_IN_INTERRUPT=1, \result=-2147481600, __this_module={0:0}, bio={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L3770] RET, EXPR virtblk_get_id(disk, (char *)(& id_str)) [L3770] err = virtblk_get_id(disk, (char *)(& id_str)) [L3771] COND FALSE !(err == 0) VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, err=-2147481600, features={10:0}, id_str={9007336693694468:0}, id_table={9:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mode=0, ref_cnt=0, usr_data={0:0}, vblk={0:4503599627370496}, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L3779] return (err); [L3779] return (err); VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mode=0, ref_cnt=0, usr_data={0:0}, vblk={0:4503599627370496}, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4169] RET virtblk_ioctl(virtblk_fops_group0, ldvarg3, ldvarg2, ldvarg1) [L4170] ldv_state_variable_2 = 1 VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18:0}, ldvarg1={288230376151711767:0}, ldvarg2=1447184708, ldvarg3={18014398509482026:0}, major=0, ref_cnt=0, tmp___3=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4093] tmp___0 = __VERIFIER_nondet_int() [L4095] case 0: VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18:0}, ldvarg1={288230376151711767:0}, ldvarg2=1447184708, ldvarg3={18014398509482026:0}, major=0, ref_cnt=0, tmp___0=1, tmp___3=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4095] case 0: [L4125] case 1: [L4127] tmp___2 = __VERIFIER_nondet_int() [L4129] case 0: VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18:0}, ldvarg1={288230376151711767:0}, ldvarg2=1447184708, ldvarg3={18014398509482026:0}, major=0, ref_cnt=0, tmp___0=1, tmp___2=0, tmp___3=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4125] case 1: [L4131] CALL fini() [L4042] FCALL unregister_blkdev((unsigned int )major, "virtblk") [L4043] FCALL unregister_virtio_driver(& virtio_blk) [L4131] RET fini() [L4132] ldv_state_variable_0 = 2 VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18:0}, ldvarg1={288230376151711767:0}, ldvarg2=1447184708, ldvarg3={18014398509482026:0}, major=0, ref_cnt=0, tmp___0=1, tmp___2=0, tmp___3=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4194] CALL ldv_check_final_state() [L4343] COND TRUE ldv_blk_rq != 0 VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4344] CALL ldv_error() VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4236] reach_error() VAL [LDV_IN_INTERRUPT=1, __this_module={0:0}, features={10:0}, id_table={9:0}, index=0, ldv_blk_rq=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={524300:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 458 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 43.8s, OverallIterations: 11, TraceHistogramMax: 12, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.1s, AutomataDifference: 18.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 2133 SdHoareTripleChecker+Valid, 16.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2133 mSDsluCounter, 22827 SdHoareTripleChecker+Invalid, 16.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16976 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 475 IncrementalHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 5851 mSDtfsCounter, 475 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1633 GetRequests, 1576 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4494occurred in iteration=8, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 10 MinimizatonAttempts, 53 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 4.4s SatisfiabilityAnalysisTime, 10.1s InterpolantComputationTime, 1006 NumberOfCodeBlocks, 1006 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1620 ConstructedInterpolants, 0 QuantifiedInterpolants, 2200 SizeOfPredicates, 1 NumberOfNonLiveVariables, 5740 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 20 InterpolantComputations, 13 PerfectInterpolantSequences, 1427/1484 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-05 06:03:02,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...