/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-356b6ba-m [2024-11-01 15:15:44,229 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 15:15:44,289 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-01 15:15:44,295 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 15:15:44,295 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 15:15:44,336 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 15:15:44,336 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 15:15:44,337 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 15:15:44,337 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 15:15:44,340 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 15:15:44,340 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 15:15:44,340 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 15:15:44,341 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 15:15:44,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 15:15:44,341 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 15:15:44,341 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 15:15:44,342 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 15:15:44,342 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 15:15:44,342 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 15:15:44,342 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 15:15:44,342 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 15:15:44,343 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 15:15:44,343 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 15:15:44,343 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 15:15:44,344 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 15:15:44,344 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 15:15:44,344 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 15:15:44,344 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 15:15:44,344 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 15:15:44,344 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 15:15:44,345 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 15:15:44,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 15:15:44,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 15:15:44,345 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 15:15:44,345 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 15:15:44,345 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 15:15:44,345 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 15:15:44,346 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 15:15:44,346 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 15:15:44,346 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 15:15:44,346 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 15:15:44,347 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 15:15:44,347 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 15:15:44,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 15:15:44,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 15:15:44,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 15:15:44,643 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 15:15:44,643 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 15:15:44,645 INFO L431 ainManager$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 [2024-11-01 15:15:45,916 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 15:15:46,256 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 15:15:46,257 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 [2024-11-01 15:15:46,282 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2b08aca8/7b89613e703a405ea6d9b200574ede68/FLAG3d447da67 [2024-11-01 15:15:46,294 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2b08aca8/7b89613e703a405ea6d9b200574ede68 [2024-11-01 15:15:46,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 15:15:46,297 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 15:15:46,299 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 15:15:46,299 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 15:15:46,303 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 15:15:46,304 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 03:15:46" (1/1) ... [2024-11-01 15:15:46,304 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7df1d9eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:15:46, skipping insertion in model container [2024-11-01 15:15:46,304 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 03:15:46" (1/1) ... [2024-11-01 15:15:46,361 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 15:15:46,989 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:46,996 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:46,999 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,000 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,008 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,013 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,013 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,017 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,018 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,019 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,022 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,023 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,027 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,036 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,036 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,036 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,037 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,038 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,039 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,044 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,046 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,051 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,051 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,062 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,065 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,065 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,067 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,067 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,072 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,079 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,084 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,086 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,086 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,087 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,088 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,089 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,090 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,091 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,097 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,100 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,113 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,114 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,116 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,116 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,117 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,126 WARN L251 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] [2024-11-01 15:15:47,141 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,153 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:15:47,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 15:15:47,173 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 15:15:47,240 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] [2024-11-01 15:15:47,262 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] [2024-11-01 15:15:47,263 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] [2024-11-01 15:15:47,263 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] [2024-11-01 15:15:47,277 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] [2024-11-01 15:15:47,281 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] [2024-11-01 15:15:47,346 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] [2024-11-01 15:15:47,361 WARN L251 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] [2024-11-01 15:15:47,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 15:15:47,417 INFO L204 MainTranslator]: Completed translation [2024-11-01 15:15:47,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:15:47 WrapperNode [2024-11-01 15:15:47,419 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 15:15:47,420 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 15:15:47,420 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 15:15:47,420 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 15:15:47,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:15:47" (1/1) ... [2024-11-01 15:15:47,457 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:15:47" (1/1) ... [2024-11-01 15:15:47,536 INFO L138 Inliner]: procedures = 151, calls = 525, calls flagged for inlining = 83, calls inlined = 83, statements flattened = 1673 [2024-11-01 15:15:47,537 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 15:15:47,538 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 15:15:47,538 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 15:15:47,538 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 15:15:47,547 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:15:47" (1/1) ... [2024-11-01 15:15:47,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:15:47" (1/1) ... [2024-11-01 15:15:47,569 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:15:47" (1/1) ... [2024-11-01 15:15:47,773 INFO L175 MemorySlicer]: Split 263 memory accesses to 10 slices as follows [2, 1, 8, 8, 1, 1, 25, 21, 192, 4]. 73 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 0, 8, 8, 0, 0, 0, 0, 13, 0]. The 91 writes are split as follows [0, 1, 0, 0, 1, 0, 3, 21, 63, 2]. [2024-11-01 15:15:47,774 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:15:47" (1/1) ... [2024-11-01 15:15:47,774 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:15:47" (1/1) ... [2024-11-01 15:15:47,824 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:15:47" (1/1) ... [2024-11-01 15:15:47,830 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:15:47" (1/1) ... [2024-11-01 15:15:47,841 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:15:47" (1/1) ... [2024-11-01 15:15:47,847 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:15:47" (1/1) ... [2024-11-01 15:15:47,868 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 15:15:47,869 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 15:15:47,869 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 15:15:47,869 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 15:15:47,873 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:15:47" (1/1) ... [2024-11-01 15:15:47,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 15:15:47,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 15:15:47,901 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) [2024-11-01 15:15:47,904 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 [2024-11-01 15:15:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segment_size [2024-11-01 15:15:47,923 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segment_size [2024-11-01 15:15:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-01 15:15:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-01 15:15:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-01 15:15:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-01 15:15:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-01 15:15:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-01 15:15:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-01 15:15:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-01 15:15:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-01 15:15:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-01 15:15:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-01 15:15:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-01 15:15:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-01 15:15:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-01 15:15:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-01 15:15:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-01 15:15:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-01 15:15:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-01 15:15:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2024-11-01 15:15:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#9 [2024-11-01 15:15:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-01 15:15:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-01 15:15:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-01 15:15:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-01 15:15:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-01 15:15:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-01 15:15:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-01 15:15:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-01 15:15:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-01 15:15:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-01 15:15:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2024-11-01 15:15:47,926 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2024-11-01 15:15:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-01 15:15:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-01 15:15:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-01 15:15:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-01 15:15:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-01 15:15:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-01 15:15:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-01 15:15:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-01 15:15:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-11-01 15:15:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-11-01 15:15:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-01 15:15:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-01 15:15:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-01 15:15:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-01 15:15:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-01 15:15:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-01 15:15:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-01 15:15:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-01 15:15:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-01 15:15:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-01 15:15:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-01 15:15:47,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-01 15:15:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-01 15:15:47,928 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-01 15:15:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2024-11-01 15:15:47,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2024-11-01 15:15:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure req_get_ioprio [2024-11-01 15:15:47,928 INFO L138 BoogieDeclarations]: Found implementation of procedure req_get_ioprio [2024-11-01 15:15:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-01 15:15:47,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-01 15:15:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2024-11-01 15:15:47,928 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2024-11-01 15:15:47,929 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_buf [2024-11-01 15:15:47,929 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_buf [2024-11-01 15:15:47,929 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-01 15:15:47,929 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-01 15:15:47,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-01 15:15:47,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-01 15:15:47,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-01 15:15:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-01 15:15:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-01 15:15:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-01 15:15:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-01 15:15:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-01 15:15:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-01 15:15:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-01 15:15:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2024-11-01 15:15:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#9 [2024-11-01 15:15:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-01 15:15:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-01 15:15:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-01 15:15:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-01 15:15:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-01 15:15:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-01 15:15:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-01 15:15:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-01 15:15:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#8 [2024-11-01 15:15:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#9 [2024-11-01 15:15:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-01 15:15:47,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-01 15:15:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure index_to_minor [2024-11-01 15:15:47,931 INFO L138 BoogieDeclarations]: Found implementation of procedure index_to_minor [2024-11-01 15:15:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-01 15:15:47,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-01 15:15:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-01 15:15:47,932 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-01 15:15:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-01 15:15:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-01 15:15:47,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-01 15:15:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-01 15:15:47,932 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-01 15:15:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 15:15:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2024-11-01 15:15:47,932 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2024-11-01 15:15:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-01 15:15:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-01 15:15:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-01 15:15:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-01 15:15:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-01 15:15:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-01 15:15:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-01 15:15:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-01 15:15:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-01 15:15:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-01 15:15:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-01 15:15:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-01 15:15:47,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-01 15:15:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_remove [2024-11-01 15:15:47,933 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_remove [2024-11-01 15:15:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2024-11-01 15:15:47,933 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2024-11-01 15:15:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-01 15:15:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-01 15:15:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-01 15:15:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-01 15:15:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-01 15:15:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-01 15:15:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-01 15:15:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-01 15:15:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-01 15:15:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-01 15:15:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-11-01 15:15:47,934 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-11-01 15:15:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-01 15:15:47,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-01 15:15:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-01 15:15:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-01 15:15:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-01 15:15:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-01 15:15:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-01 15:15:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-01 15:15:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-01 15:15:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-01 15:15:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2024-11-01 15:15:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#9 [2024-11-01 15:15:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-01 15:15:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-01 15:15:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-01 15:15:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-01 15:15:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-01 15:15:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-01 15:15:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-01 15:15:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-01 15:15:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-01 15:15:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-01 15:15:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-01 15:15:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-01 15:15:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-01 15:15:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-01 15:15:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-01 15:15:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-01 15:15:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-01 15:15:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-01 15:15:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-11-01 15:15:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-11-01 15:15:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-01 15:15:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-01 15:15:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-01 15:15:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-01 15:15:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-01 15:15:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-01 15:15:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-01 15:15:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-01 15:15:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-01 15:15:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-01 15:15:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-01 15:15:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 15:15:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-01 15:15:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-01 15:15:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-01 15:15:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-01 15:15:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-01 15:15:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-01 15:15:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-01 15:15:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-01 15:15:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-01 15:15:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-01 15:15:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-01 15:15:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-01 15:15:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-01 15:15:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-01 15:15:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-01 15:15:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-01 15:15:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-01 15:15:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-01 15:15:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-01 15:15:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2024-11-01 15:15:47,939 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2024-11-01 15:15:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_ordered [2024-11-01 15:15:47,939 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_ordered [2024-11-01 15:15:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 15:15:47,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 15:15:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-01 15:15:47,940 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-01 15:15:48,302 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 15:15:48,304 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 15:15:48,366 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-01 15:15:55,326 INFO L? ?]: Removed 971 outVars from TransFormulas that were not future-live. [2024-11-01 15:15:55,327 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 15:15:55,341 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 15:15:55,341 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-01 15:15:55,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 03:15:55 BoogieIcfgContainer [2024-11-01 15:15:55,342 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 15:15:55,343 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 15:15:55,343 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 15:15:55,346 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 15:15:55,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 03:15:46" (1/3) ... [2024-11-01 15:15:55,346 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60af9341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 03:15:55, skipping insertion in model container [2024-11-01 15:15:55,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:15:47" (2/3) ... [2024-11-01 15:15:55,346 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60af9341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 03:15:55, skipping insertion in model container [2024-11-01 15:15:55,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 03:15:55" (3/3) ... [2024-11-01 15:15:55,347 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 [2024-11-01 15:15:55,358 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 15:15:55,359 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 15:15:55,405 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 15:15:55,409 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;@a4a8f18, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 15:15:55,409 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 15:15:55,414 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) [2024-11-01 15:15:55,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-01 15:15:55,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:15:55,421 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] [2024-11-01 15:15:55,421 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:15:55,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:15:55,425 INFO L85 PathProgramCache]: Analyzing trace with hash -116747867, now seen corresponding path program 1 times [2024-11-01 15:15:55,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:15:55,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [635190283] [2024-11-01 15:15:55,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:15:55,432 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 [2024-11-01 15:15:55,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:15:55,435 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) [2024-11-01 15:15:55,436 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 [2024-11-01 15:15:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 15:15:55,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-01 15:15:55,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 15:15:55,936 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-01 15:15:55,936 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 15:15:56,064 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-01 15:15:56,065 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 15:15:56,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [635190283] [2024-11-01 15:15:56,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [635190283] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 15:15:56,066 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 15:15:56,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-01 15:15:56,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452778546] [2024-11-01 15:15:56,069 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 15:15:56,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-01 15:15:56,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 15:15:56,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-01 15:15:56,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-01 15:15:56,098 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) [2024-11-01 15:15:56,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 15:15:56,167 INFO L93 Difference]: Finished difference Result 909 states and 1241 transitions. [2024-11-01 15:15:56,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-01 15:15:56,169 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 [2024-11-01 15:15:56,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 15:15:56,199 INFO L225 Difference]: With dead ends: 909 [2024-11-01 15:15:56,199 INFO L226 Difference]: Without dead ends: 439 [2024-11-01 15:15:56,206 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 [2024-11-01 15:15:56,211 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 [2024-11-01 15:15:56,213 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] [2024-11-01 15:15:56,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2024-11-01 15:15:56,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 439. [2024-11-01 15:15:56,260 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) [2024-11-01 15:15:56,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 581 transitions. [2024-11-01 15:15:56,268 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 581 transitions. Word has length 46 [2024-11-01 15:15:56,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 15:15:56,269 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 581 transitions. [2024-11-01 15:15:56,269 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) [2024-11-01 15:15:56,269 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 581 transitions. [2024-11-01 15:15:56,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-01 15:15:56,271 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:15:56,272 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] [2024-11-01 15:15:56,283 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 [2024-11-01 15:15:56,472 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 [2024-11-01 15:15:56,473 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:15:56,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:15:56,473 INFO L85 PathProgramCache]: Analyzing trace with hash -960753369, now seen corresponding path program 1 times [2024-11-01 15:15:56,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:15:56,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [670200540] [2024-11-01 15:15:56,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:15:56,474 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 [2024-11-01 15:15:56,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:15:56,475 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) [2024-11-01 15:15:56,477 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 [2024-11-01 15:15:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 15:15:56,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-01 15:15:56,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 15:15:57,099 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 15:15:57,100 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 15:15:57,410 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-01 15:15:57,410 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 15:15:57,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [670200540] [2024-11-01 15:15:57,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [670200540] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-01 15:15:57,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-01 15:15:57,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-01 15:15:57,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43328374] [2024-11-01 15:15:57,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-01 15:15:57,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-01 15:15:57,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 15:15:57,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-01 15:15:57,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-01 15:15:57,413 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) [2024-11-01 15:15:57,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 15:15:57,529 INFO L93 Difference]: Finished difference Result 876 states and 1160 transitions. [2024-11-01 15:15:57,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-01 15:15:57,530 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 [2024-11-01 15:15:57,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 15:15:57,533 INFO L225 Difference]: With dead ends: 876 [2024-11-01 15:15:57,533 INFO L226 Difference]: Without dead ends: 440 [2024-11-01 15:15:57,535 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 [2024-11-01 15:15:57,536 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 [2024-11-01 15:15:57,536 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] [2024-11-01 15:15:57,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-11-01 15:15:57,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2024-11-01 15:15:57,558 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) [2024-11-01 15:15:57,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 582 transitions. [2024-11-01 15:15:57,561 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 582 transitions. Word has length 46 [2024-11-01 15:15:57,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 15:15:57,562 INFO L471 AbstractCegarLoop]: Abstraction has 440 states and 582 transitions. [2024-11-01 15:15:57,562 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) [2024-11-01 15:15:57,562 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 582 transitions. [2024-11-01 15:15:57,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-01 15:15:57,563 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:15:57,563 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] [2024-11-01 15:15:57,574 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 [2024-11-01 15:15:57,764 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 [2024-11-01 15:15:57,764 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:15:57,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:15:57,765 INFO L85 PathProgramCache]: Analyzing trace with hash 2028909633, now seen corresponding path program 1 times [2024-11-01 15:15:57,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:15:57,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [848396582] [2024-11-01 15:15:57,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:15:57,765 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 [2024-11-01 15:15:57,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:15:57,784 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) [2024-11-01 15:15:57,786 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 [2024-11-01 15:15:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 15:15:58,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-01 15:15:58,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 15:15:58,406 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-01 15:15:58,406 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 15:15:58,818 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-01 15:15:58,818 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 15:15:58,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [848396582] [2024-11-01 15:15:58,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [848396582] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-01 15:15:58,819 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-01 15:15:58,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-01 15:15:58,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904094181] [2024-11-01 15:15:58,819 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-01 15:15:58,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-01 15:15:58,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 15:15:58,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-01 15:15:58,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-01 15:15:58,820 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) [2024-11-01 15:15:59,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 15:15:59,528 INFO L93 Difference]: Finished difference Result 887 states and 1175 transitions. [2024-11-01 15:15:59,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-01 15:15:59,530 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 [2024-11-01 15:15:59,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 15:15:59,534 INFO L225 Difference]: With dead ends: 887 [2024-11-01 15:15:59,534 INFO L226 Difference]: Without dead ends: 450 [2024-11-01 15:15:59,535 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-01 15:15:59,536 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 [2024-11-01 15:15:59,536 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] [2024-11-01 15:15:59,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2024-11-01 15:15:59,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2024-11-01 15:15:59,554 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) [2024-11-01 15:15:59,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 594 transitions. [2024-11-01 15:15:59,558 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 594 transitions. Word has length 48 [2024-11-01 15:15:59,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 15:15:59,558 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 594 transitions. [2024-11-01 15:15:59,559 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) [2024-11-01 15:15:59,559 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 594 transitions. [2024-11-01 15:15:59,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-01 15:15:59,561 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:15:59,564 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] [2024-11-01 15:15:59,575 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 [2024-11-01 15:15:59,764 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 [2024-11-01 15:15:59,765 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:15:59,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:15:59,766 INFO L85 PathProgramCache]: Analyzing trace with hash 709441479, now seen corresponding path program 2 times [2024-11-01 15:15:59,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:15:59,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1967648446] [2024-11-01 15:15:59,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:15:59,766 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 [2024-11-01 15:15:59,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:15:59,769 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) [2024-11-01 15:15:59,770 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 [2024-11-01 15:16:00,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 15:16:00,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-01 15:16:00,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 15:16:00,819 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-01 15:16:00,819 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 15:16:02,252 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-01 15:16:02,253 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 15:16:02,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1967648446] [2024-11-01 15:16:02,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1967648446] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-01 15:16:02,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-01 15:16:02,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-01 15:16:02,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038022017] [2024-11-01 15:16:02,253 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-01 15:16:02,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-01 15:16:02,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 15:16:02,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-01 15:16:02,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-01 15:16:02,254 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) [2024-11-01 15:16:03,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 15:16:03,985 INFO L93 Difference]: Finished difference Result 897 states and 1188 transitions. [2024-11-01 15:16:03,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-01 15:16:03,986 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 [2024-11-01 15:16:03,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 15:16:03,989 INFO L225 Difference]: With dead ends: 897 [2024-11-01 15:16:03,989 INFO L226 Difference]: Without dead ends: 456 [2024-11-01 15:16:03,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=144, Invalid=276, Unknown=0, NotChecked=0, Total=420 [2024-11-01 15:16:03,991 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 [2024-11-01 15:16:03,991 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] [2024-11-01 15:16:03,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2024-11-01 15:16:04,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 456. [2024-11-01 15:16:04,004 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) [2024-11-01 15:16:04,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 601 transitions. [2024-11-01 15:16:04,007 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 601 transitions. Word has length 52 [2024-11-01 15:16:04,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 15:16:04,007 INFO L471 AbstractCegarLoop]: Abstraction has 456 states and 601 transitions. [2024-11-01 15:16:04,008 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) [2024-11-01 15:16:04,008 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 601 transitions. [2024-11-01 15:16:04,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-01 15:16:04,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:16:04,009 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] [2024-11-01 15:16:04,021 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 (5)] Ended with exit code 0 [2024-11-01 15:16:04,213 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 [2024-11-01 15:16:04,214 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:16:04,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:16:04,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1697453561, now seen corresponding path program 3 times [2024-11-01 15:16:04,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:16:04,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1553589737] [2024-11-01 15:16:04,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:16:04,215 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 [2024-11-01 15:16:04,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:16:04,221 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) [2024-11-01 15:16:04,222 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 [2024-11-01 15:16:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 15:16:04,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-01 15:16:04,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 15:16:05,118 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 30 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-01 15:16:05,119 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 15:16:05,846 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 30 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-01 15:16:05,846 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 15:16:05,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1553589737] [2024-11-01 15:16:05,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1553589737] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-01 15:16:05,847 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-01 15:16:05,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-01 15:16:05,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381725277] [2024-11-01 15:16:05,847 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-01 15:16:05,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-01 15:16:05,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 15:16:05,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-01 15:16:05,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-01 15:16:05,848 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) [2024-11-01 15:16:06,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 15:16:06,447 INFO L93 Difference]: Finished difference Result 888 states and 1172 transitions. [2024-11-01 15:16:06,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-01 15:16:06,449 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 [2024-11-01 15:16:06,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 15:16:06,451 INFO L225 Difference]: With dead ends: 888 [2024-11-01 15:16:06,451 INFO L226 Difference]: Without dead ends: 456 [2024-11-01 15:16:06,453 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 [2024-11-01 15:16:06,453 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 [2024-11-01 15:16:06,453 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] [2024-11-01 15:16:06,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2024-11-01 15:16:06,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 456. [2024-11-01 15:16:06,465 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) [2024-11-01 15:16:06,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 597 transitions. [2024-11-01 15:16:06,468 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 597 transitions. Word has length 56 [2024-11-01 15:16:06,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 15:16:06,468 INFO L471 AbstractCegarLoop]: Abstraction has 456 states and 597 transitions. [2024-11-01 15:16:06,468 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) [2024-11-01 15:16:06,468 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 597 transitions. [2024-11-01 15:16:06,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-01 15:16:06,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:16:06,469 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] [2024-11-01 15:16:06,483 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 [2024-11-01 15:16:06,672 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 [2024-11-01 15:16:06,673 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:16:06,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:16:06,673 INFO L85 PathProgramCache]: Analyzing trace with hash 944801383, now seen corresponding path program 4 times [2024-11-01 15:16:06,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:16:06,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1419645962] [2024-11-01 15:16:06,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:16:06,674 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 [2024-11-01 15:16:06,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:16:06,677 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) [2024-11-01 15:16:06,678 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 [2024-11-01 15:16:07,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 15:16:07,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 15:16:07,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 15:16:07,372 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-01 15:16:07,372 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 15:16:07,645 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-01 15:16:07,646 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 15:16:07,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1419645962] [2024-11-01 15:16:07,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1419645962] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 15:16:07,646 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 15:16:07,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-01 15:16:07,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196050509] [2024-11-01 15:16:07,646 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 15:16:07,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-01 15:16:07,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 15:16:07,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-01 15:16:07,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 15:16:07,647 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) [2024-11-01 15:16:11,666 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 [] [2024-11-01 15:16:13,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 15:16:13,593 INFO L93 Difference]: Finished difference Result 1686 states and 2235 transitions. [2024-11-01 15:16:13,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-01 15:16:13,594 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 [2024-11-01 15:16:13,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 15:16:13,604 INFO L225 Difference]: With dead ends: 1686 [2024-11-01 15:16:13,604 INFO L226 Difference]: Without dead ends: 1261 [2024-11-01 15:16:13,606 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 [2024-11-01 15:16:13,607 INFO L432 NwaCegarLoop]: 582 mSDtfsCounter, 1081 mSDsluCounter, 1479 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s 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, 5.8s IncrementalHoareTripleChecker+Time [2024-11-01 15:16:13,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1081 Valid, 2061 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 174 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2024-11-01 15:16:13,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1261 states. [2024-11-01 15:16:13,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1261 to 1255. [2024-11-01 15:16:13,658 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) [2024-11-01 15:16:13,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1663 transitions. [2024-11-01 15:16:13,665 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1663 transitions. Word has length 58 [2024-11-01 15:16:13,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 15:16:13,665 INFO L471 AbstractCegarLoop]: Abstraction has 1255 states and 1663 transitions. [2024-11-01 15:16:13,665 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) [2024-11-01 15:16:13,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1663 transitions. [2024-11-01 15:16:13,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-01 15:16:13,666 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:16:13,666 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] [2024-11-01 15:16:13,679 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 [2024-11-01 15:16:13,870 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 [2024-11-01 15:16:13,871 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:16:13,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:16:13,871 INFO L85 PathProgramCache]: Analyzing trace with hash 681581813, now seen corresponding path program 1 times [2024-11-01 15:16:13,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:16:13,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1167434338] [2024-11-01 15:16:13,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:16:13,872 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 [2024-11-01 15:16:13,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:16:13,875 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) [2024-11-01 15:16:13,875 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 [2024-11-01 15:16:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 15:16:14,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 15:16:14,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 15:16:15,471 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-01 15:16:15,471 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 15:16:16,007 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-01 15:16:16,007 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 15:16:16,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1167434338] [2024-11-01 15:16:16,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1167434338] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 15:16:16,008 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 15:16:16,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-01 15:16:16,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022027508] [2024-11-01 15:16:16,008 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 15:16:16,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 15:16:16,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 15:16:16,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 15:16:16,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 15:16:16,009 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) [2024-11-01 15:16:16,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 15:16:16,099 INFO L93 Difference]: Finished difference Result 2445 states and 3250 transitions. [2024-11-01 15:16:16,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 15:16:16,099 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 [2024-11-01 15:16:16,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 15:16:16,111 INFO L225 Difference]: With dead ends: 2445 [2024-11-01 15:16:16,111 INFO L226 Difference]: Without dead ends: 2436 [2024-11-01 15:16:16,112 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 [2024-11-01 15:16:16,113 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 [2024-11-01 15:16:16,113 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] [2024-11-01 15:16:16,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2436 states. [2024-11-01 15:16:16,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2436 to 2436. [2024-11-01 15:16:16,182 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) [2024-11-01 15:16:16,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2436 states to 2436 states and 3236 transitions. [2024-11-01 15:16:16,192 INFO L78 Accepts]: Start accepts. Automaton has 2436 states and 3236 transitions. Word has length 61 [2024-11-01 15:16:16,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 15:16:16,192 INFO L471 AbstractCegarLoop]: Abstraction has 2436 states and 3236 transitions. [2024-11-01 15:16:16,192 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) [2024-11-01 15:16:16,192 INFO L276 IsEmpty]: Start isEmpty. Operand 2436 states and 3236 transitions. [2024-11-01 15:16:16,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-01 15:16:16,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:16:16,197 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] [2024-11-01 15:16:16,209 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 [2024-11-01 15:16:16,401 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 [2024-11-01 15:16:16,401 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:16:16,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:16:16,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1251422783, now seen corresponding path program 1 times [2024-11-01 15:16:16,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:16:16,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [895067377] [2024-11-01 15:16:16,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:16:16,403 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 [2024-11-01 15:16:16,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:16:16,406 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) [2024-11-01 15:16:16,407 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 [2024-11-01 15:16:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 15:16:17,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 15:16:17,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 15:16:17,298 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-11-01 15:16:17,298 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 15:16:17,942 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-11-01 15:16:17,943 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 15:16:17,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [895067377] [2024-11-01 15:16:17,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [895067377] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 15:16:17,943 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 15:16:17,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 15:16:17,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108102069] [2024-11-01 15:16:17,943 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 15:16:17,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 15:16:17,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 15:16:17,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 15:16:17,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 15:16:17,945 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) [2024-11-01 15:16:18,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 15:16:18,168 INFO L93 Difference]: Finished difference Result 6897 states and 9162 transitions. [2024-11-01 15:16:18,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 15:16:18,168 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 [2024-11-01 15:16:18,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 15:16:18,194 INFO L225 Difference]: With dead ends: 6897 [2024-11-01 15:16:18,194 INFO L226 Difference]: Without dead ends: 4502 [2024-11-01 15:16:18,205 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 [2024-11-01 15:16:18,206 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 [2024-11-01 15:16:18,206 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] [2024-11-01 15:16:18,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4502 states. [2024-11-01 15:16:18,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4502 to 4494. [2024-11-01 15:16:18,406 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) [2024-11-01 15:16:18,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4494 states to 4494 states and 5956 transitions. [2024-11-01 15:16:18,423 INFO L78 Accepts]: Start accepts. Automaton has 4494 states and 5956 transitions. Word has length 122 [2024-11-01 15:16:18,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 15:16:18,424 INFO L471 AbstractCegarLoop]: Abstraction has 4494 states and 5956 transitions. [2024-11-01 15:16:18,424 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) [2024-11-01 15:16:18,424 INFO L276 IsEmpty]: Start isEmpty. Operand 4494 states and 5956 transitions. [2024-11-01 15:16:18,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-01 15:16:18,432 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:16:18,432 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] [2024-11-01 15:16:18,450 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 (9)] Forceful destruction successful, exit code 0 [2024-11-01 15:16:18,636 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 [2024-11-01 15:16:18,637 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:16:18,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:16:18,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1818712957, now seen corresponding path program 1 times [2024-11-01 15:16:18,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:16:18,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [253879923] [2024-11-01 15:16:18,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:16:18,638 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 [2024-11-01 15:16:18,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:16:18,640 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) [2024-11-01 15:16:18,641 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 [2024-11-01 15:16:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 15:16:19,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 868 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-01 15:16:19,369 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 15:16:19,992 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-01 15:16:19,992 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 15:16:20,941 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-01 15:16:20,941 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 15:16:20,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [253879923] [2024-11-01 15:16:20,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [253879923] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 15:16:20,941 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 15:16:20,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-01 15:16:20,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543214449] [2024-11-01 15:16:20,942 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 15:16:20,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-01 15:16:20,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 15:16:20,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-01 15:16:20,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-01 15:16:20,943 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) [2024-11-01 15:16:24,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 15:16:28,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 15:16:29,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 15:16:29,239 INFO L93 Difference]: Finished difference Result 7848 states and 10406 transitions. [2024-11-01 15:16:29,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-01 15:16:29,240 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 [2024-11-01 15:16:29,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 15:16:29,258 INFO L225 Difference]: With dead ends: 7848 [2024-11-01 15:16:29,258 INFO L226 Difference]: Without dead ends: 3387 [2024-11-01 15:16:29,270 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 [2024-11-01 15:16:29,271 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, 8.2s IncrementalHoareTripleChecker+Time [2024-11-01 15:16:29,271 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 2893 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 2 Unknown, 0 Unchecked, 8.2s Time] [2024-11-01 15:16:29,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3387 states. [2024-11-01 15:16:29,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3387 to 3362. [2024-11-01 15:16:29,410 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) [2024-11-01 15:16:29,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3362 states to 3362 states and 4448 transitions. [2024-11-01 15:16:29,423 INFO L78 Accepts]: Start accepts. Automaton has 3362 states and 4448 transitions. Word has length 165 [2024-11-01 15:16:29,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 15:16:29,424 INFO L471 AbstractCegarLoop]: Abstraction has 3362 states and 4448 transitions. [2024-11-01 15:16:29,424 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) [2024-11-01 15:16:29,425 INFO L276 IsEmpty]: Start isEmpty. Operand 3362 states and 4448 transitions. [2024-11-01 15:16:29,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-01 15:16:29,430 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:16:29,430 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] [2024-11-01 15:16:29,454 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 [2024-11-01 15:16:29,630 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 [2024-11-01 15:16:29,630 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:16:29,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:16:29,631 INFO L85 PathProgramCache]: Analyzing trace with hash -2055869236, now seen corresponding path program 1 times [2024-11-01 15:16:29,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:16:29,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2140019283] [2024-11-01 15:16:29,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:16:29,631 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 [2024-11-01 15:16:29,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:16:29,632 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) [2024-11-01 15:16:29,634 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 [2024-11-01 15:16:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 15:16:30,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 873 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-01 15:16:30,470 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 15:16:30,788 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-01 15:16:30,788 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 15:16:32,181 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-11-01 15:16:32,181 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 15:16:32,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2140019283] [2024-11-01 15:16:32,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2140019283] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 15:16:32,182 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 15:16:32,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2024-11-01 15:16:32,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637389188] [2024-11-01 15:16:32,182 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 15:16:32,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-01 15:16:32,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 15:16:32,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-01 15:16:32,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-01 15:16:32,183 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) [2024-11-01 15:16:32,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 15:16:32,466 INFO L93 Difference]: Finished difference Result 6364 states and 8486 transitions. [2024-11-01 15:16:32,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-01 15:16:32,467 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 [2024-11-01 15:16:32,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 15:16:32,488 INFO L225 Difference]: With dead ends: 6364 [2024-11-01 15:16:32,488 INFO L226 Difference]: Without dead ends: 3380 [2024-11-01 15:16:32,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-01 15:16:32,498 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 [2024-11-01 15:16:32,499 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] [2024-11-01 15:16:32,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3380 states. [2024-11-01 15:16:32,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3380 to 3366. [2024-11-01 15:16:32,593 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) [2024-11-01 15:16:32,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3366 states to 3366 states and 4466 transitions. [2024-11-01 15:16:32,605 INFO L78 Accepts]: Start accepts. Automaton has 3366 states and 4466 transitions. Word has length 166 [2024-11-01 15:16:32,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 15:16:32,606 INFO L471 AbstractCegarLoop]: Abstraction has 3366 states and 4466 transitions. [2024-11-01 15:16:32,606 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) [2024-11-01 15:16:32,606 INFO L276 IsEmpty]: Start isEmpty. Operand 3366 states and 4466 transitions. [2024-11-01 15:16:32,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-01 15:16:32,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:16:32,611 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] [2024-11-01 15:16:32,632 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 (11)] Ended with exit code 0 [2024-11-01 15:16:32,812 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 [2024-11-01 15:16:32,812 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:16:32,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:16:32,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1280871145, now seen corresponding path program 1 times [2024-11-01 15:16:32,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:16:32,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [521611003] [2024-11-01 15:16:32,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:16:32,814 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 [2024-11-01 15:16:32,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:16:32,816 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) [2024-11-01 15:16:32,817 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 [2024-11-01 15:16:35,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-01 15:16:35,570 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-01 15:16:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-01 15:16:38,499 INFO L130 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2024-11-01 15:16:38,500 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-01 15:16:38,500 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-01 15:16:38,544 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 [2024-11-01 15:16:38,702 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 [2024-11-01 15:16:38,704 INFO L407 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 15:16:38,884 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-01 15:16:38,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.11 03:16:38 BoogieIcfgContainer [2024-11-01 15:16:38,891 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-01 15:16:38,895 INFO L158 Benchmark]: Toolchain (without parser) took 52594.69ms. Allocated memory was 187.7MB in the beginning and 471.9MB in the end (delta: 284.2MB). Free memory was 156.8MB in the beginning and 346.3MB in the end (delta: -189.5MB). Peak memory consumption was 316.9MB. Max. memory is 8.0GB. [2024-11-01 15:16:38,896 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 187.7MB. Free memory was 162.7MB in the beginning and 162.6MB in the end (delta: 122.6kB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-01 15:16:38,896 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1120.07ms. Allocated memory was 187.7MB in the beginning and 261.1MB in the end (delta: 73.4MB). Free memory was 156.4MB in the beginning and 210.2MB in the end (delta: -53.9MB). Peak memory consumption was 65.0MB. Max. memory is 8.0GB. [2024-11-01 15:16:38,896 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.24ms. Allocated memory is still 261.1MB. Free memory was 210.2MB in the beginning and 199.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2024-11-01 15:16:38,896 INFO L158 Benchmark]: Boogie Preprocessor took 329.94ms. Allocated memory is still 261.1MB. Free memory was 199.8MB in the beginning and 202.2MB in the end (delta: -2.4MB). Peak memory consumption was 56.8MB. Max. memory is 8.0GB. [2024-11-01 15:16:38,896 INFO L158 Benchmark]: RCFGBuilder took 7473.03ms. Allocated memory is still 261.1MB. Free memory was 202.2MB in the beginning and 193.4MB in the end (delta: 8.8MB). Peak memory consumption was 107.9MB. Max. memory is 8.0GB. [2024-11-01 15:16:38,896 INFO L158 Benchmark]: TraceAbstraction took 43547.82ms. Allocated memory was 261.1MB in the beginning and 471.9MB in the end (delta: 210.8MB). Free memory was 192.3MB in the beginning and 346.3MB in the end (delta: -154.0MB). Peak memory consumption was 277.9MB. Max. memory is 8.0GB. [2024-11-01 15:16:38,897 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 187.7MB. Free memory was 162.7MB in the beginning and 162.6MB in the end (delta: 122.6kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1120.07ms. Allocated memory was 187.7MB in the beginning and 261.1MB in the end (delta: 73.4MB). Free memory was 156.4MB in the beginning and 210.2MB in the end (delta: -53.9MB). Peak memory consumption was 65.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 117.24ms. Allocated memory is still 261.1MB. Free memory was 210.2MB in the beginning and 199.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 329.94ms. Allocated memory is still 261.1MB. Free memory was 199.8MB in the beginning and 202.2MB in the end (delta: -2.4MB). Peak memory consumption was 56.8MB. Max. memory is 8.0GB. * RCFGBuilder took 7473.03ms. Allocated memory is still 261.1MB. Free memory was 202.2MB in the beginning and 193.4MB in the end (delta: 8.8MB). Peak memory consumption was 107.9MB. Max. memory is 8.0GB. * TraceAbstraction took 43547.82ms. Allocated memory was 261.1MB in the beginning and 471.9MB in the end (delta: 210.8MB). Free memory was 192.3MB in the beginning and 346.3MB in the end (delta: -154.0MB). Peak memory consumption was 277.9MB. 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={23:0}, ldvarg3={42:0}, 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={23:0}, ldvarg3={42:0}, 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)={23:0}, \result={23:0}, __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={23:0}, ldvarg3={42:0}, 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)={42:0}, \result={42:0}, __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={23:0}, ldvarg3={42:0}, 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={23:0}, ldvarg2=1447184708, ldvarg3={42:0}, 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={23:0}, ldvarg2=1447184708, ldvarg3={42:0}, 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={23:0}, ldvarg2=1447184708, ldvarg3={42:0}, 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={23:0}, ldvarg2=1447184708, ldvarg3={42:0}, 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={13:0}, 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={13:0}, 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={13:0}, __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={13:0}, 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={13:0}, 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={13:0}, 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={13:0}, 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={13:0}, 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={13:0}, 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={13:0}, 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={13:0}, 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={13:0}, 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={13:0}, 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={13:0}, 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={23:0}, ldvarg2=1447184708, ldvarg3={42:0}, major=0, ref_cnt=0, tmp___0=1, virtblk_fops={8:0}, virtblk_fops_group0={13:0}, 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={23:0}, ldvarg2=1447184708, ldvarg3={42:0}, major=0, ref_cnt=0, tmp___0=2, virtblk_fops={8:0}, virtblk_fops_group0={13:0}, 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={23:0}, ldvarg2=1447184708, ldvarg3={42:0}, major=0, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={13:0}, 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={13:0}, 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={23:0}, ldvarg2=1447184708, ldvarg3={42:0}, major=0, ref_cnt=0, tmp___3=0, virtblk_fops={8:0}, virtblk_fops_group0={13:0}, 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={13:0}, 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={13:0}, 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={13:0}, 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={13:0}, 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={13:0}, 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={13:0}, 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={13:0}, 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={13:0}, 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={13:0}, 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={13:0}, 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={0:0}, virtblk_fops={8:0}, virtblk_fops_group0={13:0}, 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={13:0}, 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={13:0}, 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={13:0}, 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={12:0}, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={13:0}, 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={13:0}, 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={13:0}, 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={12:0}, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={13:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L3265] CALL, EXPR IS_ERR(p) VAL [LDV_IN_INTERRUPT=1, \old(ptr)={12:0}, __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={13:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4216] bool tmp ; VAL [LDV_IN_INTERRUPT=1, \old(ptr)={12:0}, __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={12:0}, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={13:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4218] CALL, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, \old(ptr)={12:0}, __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={13:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4242] return ((unsigned long )ptr > 2012UL); VAL [LDV_IN_INTERRUPT=1, \old(ptr)={12:0}, \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={13:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4218] RET, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, \old(ptr)={12:0}, __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={12:0}, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={13:0}, 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)={12:0}, \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={12:0}, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={13:0}, 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={12:0}, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={13:0}, 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={13:0}, 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={13:0}, 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={12:0}, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={13:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L3266] return (p); VAL [LDV_IN_INTERRUPT=1, \old(size)=322, \result={12:0}, __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={13:0}, 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={13:0}, 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={12:0}, virtblk_fops={8:0}, virtblk_fops_group0={13:0}, 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={12:0}, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={13:0}, 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={13:0}, 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={13:0}, 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={12:0}, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={13:0}, 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={12:0}, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={13:0}, 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={12:0}, virtblk_fops={8:0}, virtblk_fops_group0={13:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4326] return (res); VAL [LDV_IN_INTERRUPT=1, \result={12:0}, __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={13:0}, 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={12:0}, __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={13:0}, 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)={12:0}, __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={13:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4216] bool tmp ; VAL [LDV_IN_INTERRUPT=1, \old(ptr)={12:0}, __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={12:0}, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={13:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4218] CALL, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, \old(ptr)={12:0}, __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={13:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4242] return ((unsigned long )ptr > 2012UL); VAL [LDV_IN_INTERRUPT=1, \old(ptr)={12:0}, \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={13:0}, virtio_blk={11:0}, virtio_blk_group0={15:0}] [L4218] RET, EXPR ldv_is_err(ptr) VAL [LDV_IN_INTERRUPT=1, \old(ptr)={12:0}, __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={12:0}, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={13:0}, 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)={12:0}, \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={12:0}, ref_cnt=0, virtblk_fops={8:0}, virtblk_fops_group0={13:0}, 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={12:0}, vblk={0:0}, virtblk_fops={8:0}, virtblk_fops_group0={13:0}, 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=-2147483648, __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={13:0}, 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=-2147483648, features={10:0}, id_str={137438953476:0}, 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={0:0}, virtblk_fops={8:0}, virtblk_fops_group0={13:0}, 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={0:0}, virtblk_fops={8:0}, virtblk_fops_group0={13:0}, 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={23:0}, ldvarg2=1447184708, ldvarg3={42:0}, major=0, ref_cnt=0, tmp___3=0, virtblk_fops={8:0}, virtblk_fops_group0={13:0}, 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={23:0}, ldvarg2=1447184708, ldvarg3={42:0}, major=0, ref_cnt=0, tmp___0=1, tmp___3=0, virtblk_fops={8:0}, virtblk_fops_group0={13:0}, 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={23:0}, ldvarg2=1447184708, ldvarg3={42:0}, major=0, ref_cnt=0, tmp___0=1, tmp___2=0, tmp___3=0, virtblk_fops={8:0}, virtblk_fops_group0={13:0}, 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={23:0}, ldvarg2=1447184708, ldvarg3={42:0}, major=0, ref_cnt=0, tmp___0=1, tmp___2=0, tmp___3=0, virtblk_fops={8:0}, virtblk_fops_group0={13:0}, 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={13:0}, 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={13:0}, 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={13:0}, 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: 43.3s, OverallIterations: 11, TraceHistogramMax: 12, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 18.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 2133 SdHoareTripleChecker+Valid, 16.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2133 mSDsluCounter, 22827 SdHoareTripleChecker+Invalid, 15.8s 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, 4.2s 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: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 53 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 4.7s SatisfiabilityAnalysisTime, 10.4s 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 [2024-11-01 15:16:38,953 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...