/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 bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 11:43:46,679 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 11:43:46,755 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-05 11:43:46,761 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 11:43:46,761 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 11:43:46,788 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 11:43:46,788 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 11:43:46,789 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 11:43:46,789 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 11:43:46,790 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 11:43:46,790 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 11:43:46,791 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 11:43:46,791 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 11:43:46,792 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 11:43:46,792 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 11:43:46,792 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 11:43:46,792 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 11:43:46,793 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 11:43:46,793 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 11:43:46,796 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 11:43:46,798 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 11:43:46,799 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 11:43:46,799 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 11:43:46,799 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 11:43:46,799 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 11:43:46,800 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 11:43:46,800 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 11:43:46,800 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 11:43:46,800 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 11:43:46,801 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 11:43:46,801 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 11:43:46,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 11:43:46,802 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 11:43:46,802 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 11:43:46,803 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 11:43:46,803 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 11:43:46,803 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 11:43:46,803 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 11:43:46,803 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 11:43:46,803 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 11:43:46,804 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 11:43:46,804 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-05 11:43:47,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 11:43:47,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 11:43:47,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 11:43:47,059 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 11:43:47,059 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 11:43:47,060 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i [2024-11-05 11:43:48,424 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 11:43:48,795 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 11:43:48,796 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i [2024-11-05 11:43:48,826 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84511dc38/2b717039b07544aeb2e57d6c2b61d77a/FLAGf0b595506 [2024-11-05 11:43:48,840 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84511dc38/2b717039b07544aeb2e57d6c2b61d77a [2024-11-05 11:43:48,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 11:43:48,844 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 11:43:48,848 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 11:43:48,848 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 11:43:48,853 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 11:43:48,854 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:43:48" (1/1) ... [2024-11-05 11:43:48,855 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57cb444b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:43:48, skipping insertion in model container [2024-11-05 11:43:48,855 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:43:48" (1/1) ... [2024-11-05 11:43:48,936 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 11:43:49,641 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,648 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,654 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,656 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,666 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,675 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,679 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,681 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,683 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,684 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,685 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,686 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,695 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,710 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,711 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,712 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,712 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,714 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,714 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,721 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,724 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,732 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,733 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,751 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,752 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,753 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,757 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,757 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,761 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,768 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,775 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,776 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,776 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,777 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,778 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,781 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,782 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,783 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,790 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,794 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,807 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,808 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,810 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,810 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,810 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,818 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i[121503,121516] [2024-11-05 11:43:49,844 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,865 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:43:49,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 11:43:49,892 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 11:43:49,990 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3095-3096] [2024-11-05 11:43:50,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (63), "i" (12UL)); [3374-3375] [2024-11-05 11:43:50,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (65), "i" (12UL)); [3382-3383] [2024-11-05 11:43:50,015 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (66), "i" (12UL)); [3390-3391] [2024-11-05 11:43:50,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/andrianov/commit-tester-work/task-014--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c"), "i" (123), "i" (12UL)); [3605-3606] [2024-11-05 11:43:50,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/andrianov/commit-tester-work/task-014--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c"), "i" (177), "i" (12UL)); [3680-3681] [2024-11-05 11:43:50,144 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/andrianov/commit-tester-work/task-014--linux-stable--dir/work/current--X--drivers/block/virtio_blk.ko--X--defaultlinux-stable-39a1d13-1--X--101_1a--X--cpachecker/linux-stable-39a1d13-1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/101_1a/drivers/block/virtio_blk.c"), "i" (467), "i" (12UL)); [4002-4003] [2024-11-05 11:43:50,166 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i[121503,121516] [2024-11-05 11:43:50,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 11:43:50,227 INFO L204 MainTranslator]: Completed translation [2024-11-05 11:43:50,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:43:50 WrapperNode [2024-11-05 11:43:50,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 11:43:50,231 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 11:43:50,231 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 11:43:50,231 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 11:43:50,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:43:50" (1/1) ... [2024-11-05 11:43:50,281 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:43:50" (1/1) ... [2024-11-05 11:43:50,379 INFO L138 Inliner]: procedures = 151, calls = 525, calls flagged for inlining = 83, calls inlined = 83, statements flattened = 1673 [2024-11-05 11:43:50,379 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 11:43:50,380 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 11:43:50,380 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 11:43:50,381 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 11:43:50,391 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:43:50" (1/1) ... [2024-11-05 11:43:50,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:43:50" (1/1) ... [2024-11-05 11:43:50,416 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:43:50" (1/1) ... [2024-11-05 11:43:50,672 INFO L175 MemorySlicer]: Split 263 memory accesses to 10 slices as follows [2, 1, 1, 4, 8, 192, 8, 25, 1, 21]. 73 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 0, 0, 0, 8, 13, 8, 0, 0, 0]. The 91 writes are split as follows [0, 0, 1, 2, 0, 63, 0, 3, 1, 21]. [2024-11-05 11:43:50,673 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:43:50" (1/1) ... [2024-11-05 11:43:50,676 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:43:50" (1/1) ... [2024-11-05 11:43:50,734 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:43:50" (1/1) ... [2024-11-05 11:43:50,746 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:43:50" (1/1) ... [2024-11-05 11:43:50,763 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:43:50" (1/1) ... [2024-11-05 11:43:50,778 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:43:50" (1/1) ... [2024-11-05 11:43:50,802 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 11:43:50,804 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 11:43:50,805 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 11:43:50,805 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 11:43:50,806 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:43:50" (1/1) ... [2024-11-05 11:43:50,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 11:43:50,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 11:43:50,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-05 11:43:50,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-05 11:43:50,912 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segment_size [2024-11-05 11:43:50,913 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segment_size [2024-11-05 11:43:50,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-05 11:43:50,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-05 11:43:50,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-05 11:43:50,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-05 11:43:50,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-05 11:43:50,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-05 11:43:50,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-05 11:43:50,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-05 11:43:50,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-05 11:43:50,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-05 11:43:50,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 11:43:50,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 11:43:50,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 11:43:50,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 11:43:50,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-05 11:43:50,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-05 11:43:50,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-05 11:43:50,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-05 11:43:50,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2024-11-05 11:43:50,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#9 [2024-11-05 11:43:50,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-05 11:43:50,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-05 11:43:50,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-05 11:43:50,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-05 11:43:50,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-05 11:43:50,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-05 11:43:50,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-05 11:43:50,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-05 11:43:50,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-05 11:43:50,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-05 11:43:50,916 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2024-11-05 11:43:50,916 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2024-11-05 11:43:50,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-05 11:43:50,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-05 11:43:50,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-05 11:43:50,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-05 11:43:50,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-05 11:43:50,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-05 11:43:50,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-05 11:43:50,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-05 11:43:50,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-11-05 11:43:50,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-11-05 11:43:50,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 11:43:50,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 11:43:50,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 11:43:50,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 11:43:50,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 11:43:50,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-05 11:43:50,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-05 11:43:50,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-05 11:43:50,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-05 11:43:50,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-05 11:43:50,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-05 11:43:50,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-05 11:43:50,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-05 11:43:50,919 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-05 11:43:50,919 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2024-11-05 11:43:50,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2024-11-05 11:43:50,919 INFO L130 BoogieDeclarations]: Found specification of procedure req_get_ioprio [2024-11-05 11:43:50,919 INFO L138 BoogieDeclarations]: Found implementation of procedure req_get_ioprio [2024-11-05 11:43:50,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-05 11:43:50,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-05 11:43:50,920 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2024-11-05 11:43:50,920 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2024-11-05 11:43:50,920 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_buf [2024-11-05 11:43:50,920 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_buf [2024-11-05 11:43:50,920 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-05 11:43:50,920 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-05 11:43:50,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-05 11:43:50,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-05 11:43:50,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 11:43:50,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 11:43:50,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 11:43:50,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 11:43:50,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 11:43:50,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-05 11:43:50,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-05 11:43:50,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-05 11:43:50,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2024-11-05 11:43:50,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#9 [2024-11-05 11:43:50,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-05 11:43:50,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-05 11:43:50,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-05 11:43:50,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-05 11:43:50,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-05 11:43:50,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-05 11:43:50,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-05 11:43:50,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-05 11:43:50,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#8 [2024-11-05 11:43:50,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#9 [2024-11-05 11:43:50,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-05 11:43:50,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-05 11:43:50,923 INFO L130 BoogieDeclarations]: Found specification of procedure index_to_minor [2024-11-05 11:43:50,923 INFO L138 BoogieDeclarations]: Found implementation of procedure index_to_minor [2024-11-05 11:43:50,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-05 11:43:50,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-05 11:43:50,923 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 11:43:50,923 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 11:43:50,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 11:43:50,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-05 11:43:50,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-05 11:43:50,924 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-05 11:43:50,924 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-05 11:43:50,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 11:43:50,924 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2024-11-05 11:43:50,924 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2024-11-05 11:43:50,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 11:43:50,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 11:43:50,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 11:43:50,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 11:43:50,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 11:43:50,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 11:43:50,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-05 11:43:50,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-05 11:43:50,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-05 11:43:50,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-05 11:43:50,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-05 11:43:50,925 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-05 11:43:50,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-05 11:43:50,925 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_remove [2024-11-05 11:43:50,926 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_remove [2024-11-05 11:43:50,926 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2024-11-05 11:43:50,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2024-11-05 11:43:50,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 11:43:50,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 11:43:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 11:43:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 11:43:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 11:43:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-05 11:43:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-05 11:43:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-05 11:43:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-05 11:43:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-05 11:43:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-11-05 11:43:50,929 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-11-05 11:43:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-05 11:43:50,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-05 11:43:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-05 11:43:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-05 11:43:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-05 11:43:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-05 11:43:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-05 11:43:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-05 11:43:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-05 11:43:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-05 11:43:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2024-11-05 11:43:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#9 [2024-11-05 11:43:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-05 11:43:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-05 11:43:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-05 11:43:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-05 11:43:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-05 11:43:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-05 11:43:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-05 11:43:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-05 11:43:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-05 11:43:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-05 11:43:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-05 11:43:50,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-05 11:43:50,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-05 11:43:50,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-05 11:43:50,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-05 11:43:50,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-05 11:43:50,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-05 11:43:50,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-05 11:43:50,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-11-05 11:43:50,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-11-05 11:43:50,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 11:43:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-05 11:43:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-05 11:43:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-05 11:43:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-05 11:43:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-05 11:43:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-05 11:43:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-05 11:43:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-05 11:43:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-05 11:43:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-05 11:43:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 11:43:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 11:43:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 11:43:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 11:43:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 11:43:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-05 11:43:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-05 11:43:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-05 11:43:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-05 11:43:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-05 11:43:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-05 11:43:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-05 11:43:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-05 11:43:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-05 11:43:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-05 11:43:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-05 11:43:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-05 11:43:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-05 11:43:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-05 11:43:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-05 11:43:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2024-11-05 11:43:50,936 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2024-11-05 11:43:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_ordered [2024-11-05 11:43:50,936 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_ordered [2024-11-05 11:43:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 11:43:50,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 11:43:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-05 11:43:50,936 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-05 11:43:51,374 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 11:43:51,377 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 11:43:51,444 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-05 11:43:58,827 INFO L? ?]: Removed 971 outVars from TransFormulas that were not future-live. [2024-11-05 11:43:58,827 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 11:43:58,846 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 11:43:58,846 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-05 11:43:58,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:43:58 BoogieIcfgContainer [2024-11-05 11:43:58,846 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 11:43:58,848 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 11:43:58,848 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 11:43:58,851 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 11:43:58,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 11:43:48" (1/3) ... [2024-11-05 11:43:58,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50a7fe1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:43:58, skipping insertion in model container [2024-11-05 11:43:58,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:43:50" (2/3) ... [2024-11-05 11:43:58,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50a7fe1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:43:58, skipping insertion in model container [2024-11-05 11:43:58,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:43:58" (3/3) ... [2024-11-05 11:43:58,854 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i [2024-11-05 11:43:58,867 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 11:43:58,868 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 11:43:58,935 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 11:43:58,945 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;@1f3369d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 11:43:58,945 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 11:43:58,952 INFO L276 IsEmpty]: Start isEmpty. Operand has 457 states, 346 states have (on average 1.300578034682081) internal successors, (450), 361 states have internal predecessors, (450), 84 states have call successors, (84), 26 states have call predecessors, (84), 25 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-05 11:43:58,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-05 11:43:58,966 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:43:58,966 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:43:58,967 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:43:58,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:43:58,973 INFO L85 PathProgramCache]: Analyzing trace with hash -116747867, now seen corresponding path program 1 times [2024-11-05 11:43:58,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:43:58,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1987647335] [2024-11-05 11:43:58,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:43:58,983 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:43:58,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:43:58,985 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:43:58,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-05 11:43:59,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:43:59,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-05 11:43:59,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:43:59,584 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-05 11:43:59,584 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:43:59,763 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-05 11:43:59,764 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:43:59,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1987647335] [2024-11-05 11:43:59,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1987647335] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:43:59,765 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:43:59,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-05 11:43:59,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584734303] [2024-11-05 11:43:59,767 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:43:59,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-05 11:43:59,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:43:59,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-05 11:43:59,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 11:43:59,793 INFO L87 Difference]: Start difference. First operand has 457 states, 346 states have (on average 1.300578034682081) internal successors, (450), 361 states have internal predecessors, (450), 84 states have call successors, (84), 26 states have call predecessors, (84), 25 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-05 11:43:59,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:43:59,889 INFO L93 Difference]: Finished difference Result 909 states and 1241 transitions. [2024-11-05 11:43:59,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-05 11:43:59,899 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 46 [2024-11-05 11:43:59,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:43:59,913 INFO L225 Difference]: With dead ends: 909 [2024-11-05 11:43:59,913 INFO L226 Difference]: Without dead ends: 439 [2024-11-05 11:43:59,919 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 11:43:59,921 INFO L432 NwaCegarLoop]: 608 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-05 11:43:59,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 11:43:59,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2024-11-05 11:43:59,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 439. [2024-11-05 11:43:59,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 335 states have (on average 1.2686567164179106) internal successors, (425), 343 states have internal predecessors, (425), 79 states have call successors, (79), 25 states have call predecessors, (79), 24 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-05 11:44:00,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 581 transitions. [2024-11-05 11:44:00,006 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 581 transitions. Word has length 46 [2024-11-05 11:44:00,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:44:00,007 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 581 transitions. [2024-11-05 11:44:00,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-05 11:44:00,008 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 581 transitions. [2024-11-05 11:44:00,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-05 11:44:00,010 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:44:00,010 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:44:00,021 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-05 11:44:00,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:44:00,212 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:44:00,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:44:00,212 INFO L85 PathProgramCache]: Analyzing trace with hash -960753369, now seen corresponding path program 1 times [2024-11-05 11:44:00,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:44:00,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1036533830] [2024-11-05 11:44:00,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:44:00,213 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:44:00,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:44:00,215 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:44:00,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-05 11:44:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:44:00,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-05 11:44:00,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:44:00,900 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:44:00,900 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:44:01,484 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-05 11:44:01,484 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:44:01,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1036533830] [2024-11-05 11:44:01,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1036533830] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 11:44:01,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 11:44:01,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-05 11:44:01,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675773752] [2024-11-05 11:44:01,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 11:44:01,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 11:44:01,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:44:01,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 11:44:01,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-05 11:44:01,490 INFO L87 Difference]: Start difference. First operand 439 states and 581 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-05 11:44:01,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:44:01,680 INFO L93 Difference]: Finished difference Result 876 states and 1160 transitions. [2024-11-05 11:44:01,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 11:44:01,681 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2024-11-05 11:44:01,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:44:01,688 INFO L225 Difference]: With dead ends: 876 [2024-11-05 11:44:01,688 INFO L226 Difference]: Without dead ends: 440 [2024-11-05 11:44:01,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-05 11:44:01,691 INFO L432 NwaCegarLoop]: 579 mSDtfsCounter, 0 mSDsluCounter, 1152 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1731 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-05 11:44:01,691 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1731 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-05 11:44:01,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-11-05 11:44:01,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2024-11-05 11:44:01,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 336 states have (on average 1.2678571428571428) internal successors, (426), 344 states have internal predecessors, (426), 79 states have call successors, (79), 25 states have call predecessors, (79), 24 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-05 11:44:01,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 582 transitions. [2024-11-05 11:44:01,743 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 582 transitions. Word has length 46 [2024-11-05 11:44:01,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:44:01,744 INFO L471 AbstractCegarLoop]: Abstraction has 440 states and 582 transitions. [2024-11-05 11:44:01,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-05 11:44:01,744 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 582 transitions. [2024-11-05 11:44:01,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-05 11:44:01,746 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:44:01,746 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:44:01,756 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Forceful destruction successful, exit code 0 [2024-11-05 11:44:01,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:44:01,952 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:44:01,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:44:01,952 INFO L85 PathProgramCache]: Analyzing trace with hash 2028909633, now seen corresponding path program 1 times [2024-11-05 11:44:01,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:44:01,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1739740098] [2024-11-05 11:44:01,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:44:01,953 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:44:01,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:44:01,955 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:44:01,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-05 11:44:02,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:44:02,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-05 11:44:02,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:44:02,733 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-05 11:44:02,733 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:44:03,452 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-05 11:44:03,453 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:44:03,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1739740098] [2024-11-05 11:44:03,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1739740098] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 11:44:03,453 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 11:44:03,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-05 11:44:03,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417286300] [2024-11-05 11:44:03,453 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 11:44:03,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-05 11:44:03,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:44:03,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-05 11:44:03,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-05 11:44:03,455 INFO L87 Difference]: Start difference. First operand 440 states and 582 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-05 11:44:04,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:44:04,311 INFO L93 Difference]: Finished difference Result 887 states and 1175 transitions. [2024-11-05 11:44:04,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-05 11:44:04,315 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 48 [2024-11-05 11:44:04,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:44:04,319 INFO L225 Difference]: With dead ends: 887 [2024-11-05 11:44:04,319 INFO L226 Difference]: Without dead ends: 450 [2024-11-05 11:44:04,321 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-05 11:44:04,322 INFO L432 NwaCegarLoop]: 578 mSDtfsCounter, 5 mSDsluCounter, 2872 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.5s IncrementalHoareTripleChecker+Time [2024-11-05 11:44:04,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 3450 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-05 11:44:04,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2024-11-05 11:44:04,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2024-11-05 11:44:04,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 345 states have (on average 1.2695652173913043) internal successors, (438), 353 states have internal predecessors, (438), 79 states have call successors, (79), 26 states have call predecessors, (79), 25 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-05 11:44:04,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 594 transitions. [2024-11-05 11:44:04,351 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 594 transitions. Word has length 48 [2024-11-05 11:44:04,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:44:04,351 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 594 transitions. [2024-11-05 11:44:04,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-05 11:44:04,352 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 594 transitions. [2024-11-05 11:44:04,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-05 11:44:04,353 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:44:04,353 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:44:04,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Forceful destruction successful, exit code 0 [2024-11-05 11:44:04,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:44:04,558 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:44:04,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:44:04,558 INFO L85 PathProgramCache]: Analyzing trace with hash 709441479, now seen corresponding path program 2 times [2024-11-05 11:44:04,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:44:04,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [908158969] [2024-11-05 11:44:04,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:44:04,559 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:44:04,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:44:04,560 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:44:04,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-05 11:44:04,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:44:04,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-05 11:44:04,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:44:05,655 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-05 11:44:05,655 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:44:07,015 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-05 11:44:07,015 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:44:07,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [908158969] [2024-11-05 11:44:07,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [908158969] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 11:44:07,015 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 11:44:07,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-05 11:44:07,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094880271] [2024-11-05 11:44:07,016 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 11:44:07,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-05 11:44:07,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:44:07,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-05 11:44:07,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-05 11:44:07,017 INFO L87 Difference]: Start difference. First operand 450 states and 594 transitions. Second operand has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-05 11:44:08,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:44:08,992 INFO L93 Difference]: Finished difference Result 897 states and 1188 transitions. [2024-11-05 11:44:08,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-05 11:44:08,993 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 52 [2024-11-05 11:44:08,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:44:08,997 INFO L225 Difference]: With dead ends: 897 [2024-11-05 11:44:08,997 INFO L226 Difference]: Without dead ends: 456 [2024-11-05 11:44:08,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=144, Invalid=276, Unknown=0, NotChecked=0, Total=420 [2024-11-05 11:44:09,000 INFO L432 NwaCegarLoop]: 578 mSDtfsCounter, 10 mSDsluCounter, 4023 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.1s IncrementalHoareTripleChecker+Time [2024-11-05 11:44:09,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 4601 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-05 11:44:09,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2024-11-05 11:44:09,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 456. [2024-11-05 11:44:09,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 351 states have (on average 1.2678062678062678) internal successors, (445), 359 states have internal predecessors, (445), 79 states have call successors, (79), 26 states have call predecessors, (79), 25 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-05 11:44:09,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 601 transitions. [2024-11-05 11:44:09,072 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 601 transitions. Word has length 52 [2024-11-05 11:44:09,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:44:09,073 INFO L471 AbstractCegarLoop]: Abstraction has 456 states and 601 transitions. [2024-11-05 11:44:09,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-05 11:44:09,074 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 601 transitions. [2024-11-05 11:44:09,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-05 11:44:09,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:44:09,075 INFO L215 NwaCegarLoop]: trace histogram [10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:44:09,085 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Ended with exit code 0 [2024-11-05 11:44:09,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:44:09,276 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:44:09,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:44:09,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1697453561, now seen corresponding path program 3 times [2024-11-05 11:44:09,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:44:09,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [856146181] [2024-11-05 11:44:09,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:44:09,277 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:44:09,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:44:09,278 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:44:09,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process [2024-11-05 11:44:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:44:09,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-05 11:44:09,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:44:10,175 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 30 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-05 11:44:10,175 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:44:11,068 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 30 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-05 11:44:11,068 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:44:11,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [856146181] [2024-11-05 11:44:11,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [856146181] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 11:44:11,069 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 11:44:11,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-05 11:44:11,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301164350] [2024-11-05 11:44:11,069 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 11:44:11,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-05 11:44:11,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:44:11,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-05 11:44:11,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-05 11:44:11,070 INFO L87 Difference]: Start difference. First operand 456 states and 601 transitions. Second operand has 10 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-05 11:44:11,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:44:11,769 INFO L93 Difference]: Finished difference Result 888 states and 1172 transitions. [2024-11-05 11:44:11,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-05 11:44:11,771 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 56 [2024-11-05 11:44:11,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:44:11,775 INFO L225 Difference]: With dead ends: 888 [2024-11-05 11:44:11,775 INFO L226 Difference]: Without dead ends: 456 [2024-11-05 11:44:11,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-11-05 11:44:11,779 INFO L432 NwaCegarLoop]: 577 mSDtfsCounter, 6 mSDsluCounter, 1728 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 2305 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-05 11:44:11,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 2305 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-05 11:44:11,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2024-11-05 11:44:11,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 456. [2024-11-05 11:44:11,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 351 states have (on average 1.2564102564102564) internal successors, (441), 359 states have internal predecessors, (441), 79 states have call successors, (79), 26 states have call predecessors, (79), 25 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-05 11:44:11,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 597 transitions. [2024-11-05 11:44:11,803 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 597 transitions. Word has length 56 [2024-11-05 11:44:11,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:44:11,804 INFO L471 AbstractCegarLoop]: Abstraction has 456 states and 597 transitions. [2024-11-05 11:44:11,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-05 11:44:11,804 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 597 transitions. [2024-11-05 11:44:11,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-05 11:44:11,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:44:11,805 INFO L215 NwaCegarLoop]: trace histogram [12, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:44:11,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Ended with exit code 0 [2024-11-05 11:44:12,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:44:12,006 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:44:12,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:44:12,007 INFO L85 PathProgramCache]: Analyzing trace with hash 944801383, now seen corresponding path program 4 times [2024-11-05 11:44:12,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:44:12,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [916966692] [2024-11-05 11:44:12,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:44:12,007 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:44:12,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:44:12,010 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:44:12,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Waiting until timeout for monitored process [2024-11-05 11:44:12,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:44:12,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:44:12,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:44:12,554 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-05 11:44:12,555 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:44:12,838 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-05 11:44:12,839 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:44:12,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [916966692] [2024-11-05 11:44:12,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [916966692] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:44:12,839 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:44:12,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-05 11:44:12,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020632713] [2024-11-05 11:44:12,839 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:44:12,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 11:44:12,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:44:12,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 11:44:12,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 11:44:12,840 INFO L87 Difference]: Start difference. First operand 456 states and 597 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-05 11:44:16,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 11:44:18,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:44:18,916 INFO L93 Difference]: Finished difference Result 1686 states and 2235 transitions. [2024-11-05 11:44:18,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 11:44:18,917 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 58 [2024-11-05 11:44:18,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:44:18,925 INFO L225 Difference]: With dead ends: 1686 [2024-11-05 11:44:18,925 INFO L226 Difference]: Without dead ends: 1261 [2024-11-05 11:44:18,927 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 11:44:18,927 INFO L432 NwaCegarLoop]: 582 mSDtfsCounter, 1081 mSDsluCounter, 1479 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1081 SdHoareTripleChecker+Valid, 2061 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-11-05 11:44:18,928 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1081 Valid, 2061 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 174 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2024-11-05 11:44:18,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1261 states. [2024-11-05 11:44:19,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1261 to 1255. [2024-11-05 11:44:19,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 964 states have (on average 1.2686721991701244) internal successors, (1223), 986 states have internal predecessors, (1223), 221 states have call successors, (221), 70 states have call predecessors, (221), 69 states have return successors, (219), 219 states have call predecessors, (219), 219 states have call successors, (219) [2024-11-05 11:44:19,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1663 transitions. [2024-11-05 11:44:19,021 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1663 transitions. Word has length 58 [2024-11-05 11:44:19,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:44:19,021 INFO L471 AbstractCegarLoop]: Abstraction has 1255 states and 1663 transitions. [2024-11-05 11:44:19,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-05 11:44:19,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1663 transitions. [2024-11-05 11:44:19,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-05 11:44:19,022 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:44:19,023 INFO L215 NwaCegarLoop]: trace histogram [12, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:44:19,036 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Ended with exit code 0 [2024-11-05 11:44:19,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:44:19,224 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:44:19,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:44:19,224 INFO L85 PathProgramCache]: Analyzing trace with hash 681581813, now seen corresponding path program 1 times [2024-11-05 11:44:19,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:44:19,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [606224881] [2024-11-05 11:44:19,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:44:19,224 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:44:19,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:44:19,226 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:44:19,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Waiting until timeout for monitored process [2024-11-05 11:44:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:44:19,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:44:19,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:44:20,586 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-05 11:44:20,586 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:44:21,132 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-05 11:44:21,132 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:44:21,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [606224881] [2024-11-05 11:44:21,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [606224881] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:44:21,132 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:44:21,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-05 11:44:21,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748129418] [2024-11-05 11:44:21,132 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:44:21,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:44:21,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:44:21,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:44:21,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:44:21,133 INFO L87 Difference]: Start difference. First operand 1255 states and 1663 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-05 11:44:21,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:44:21,240 INFO L93 Difference]: Finished difference Result 2445 states and 3250 transitions. [2024-11-05 11:44:21,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:44:21,241 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 61 [2024-11-05 11:44:21,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:44:21,255 INFO L225 Difference]: With dead ends: 2445 [2024-11-05 11:44:21,256 INFO L226 Difference]: Without dead ends: 2436 [2024-11-05 11:44:21,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:44:21,259 INFO L432 NwaCegarLoop]: 593 mSDtfsCounter, 532 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 1143 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-05 11:44:21,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 1143 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 11:44:21,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2436 states. [2024-11-05 11:44:21,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2436 to 2436. [2024-11-05 11:44:21,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2436 states, 1872 states have (on average 1.2713675213675213) internal successors, (2380), 1915 states have internal predecessors, (2380), 429 states have call successors, (429), 135 states have call predecessors, (429), 134 states have return successors, (427), 427 states have call predecessors, (427), 427 states have call successors, (427) [2024-11-05 11:44:21,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2436 states to 2436 states and 3236 transitions. [2024-11-05 11:44:21,372 INFO L78 Accepts]: Start accepts. Automaton has 2436 states and 3236 transitions. Word has length 61 [2024-11-05 11:44:21,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:44:21,373 INFO L471 AbstractCegarLoop]: Abstraction has 2436 states and 3236 transitions. [2024-11-05 11:44:21,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-05 11:44:21,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2436 states and 3236 transitions. [2024-11-05 11:44:21,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-05 11:44:21,378 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:44:21,378 INFO L215 NwaCegarLoop]: trace histogram [12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:44:21,389 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Ended with exit code 0 [2024-11-05 11:44:21,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:44:21,583 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:44:21,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:44:21,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1251422783, now seen corresponding path program 1 times [2024-11-05 11:44:21,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:44:21,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [963107557] [2024-11-05 11:44:21,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:44:21,584 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:44:21,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:44:21,585 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:44:21,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (9)] Waiting until timeout for monitored process [2024-11-05 11:44:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:44:22,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:44:22,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:44:22,267 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-11-05 11:44:22,267 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:44:22,838 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-11-05 11:44:22,838 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:44:22,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [963107557] [2024-11-05 11:44:22,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [963107557] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:44:22,838 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:44:22,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 11:44:22,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721105546] [2024-11-05 11:44:22,839 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:44:22,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:44:22,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:44:22,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:44:22,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:44:22,840 INFO L87 Difference]: Start difference. First operand 2436 states and 3236 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-05 11:44:23,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:44:23,098 INFO L93 Difference]: Finished difference Result 6897 states and 9162 transitions. [2024-11-05 11:44:23,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:44:23,098 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 122 [2024-11-05 11:44:23,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:44:23,128 INFO L225 Difference]: With dead ends: 6897 [2024-11-05 11:44:23,129 INFO L226 Difference]: Without dead ends: 4502 [2024-11-05 11:44:23,141 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:44:23,143 INFO L432 NwaCegarLoop]: 594 mSDtfsCounter, 488 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 1149 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-05 11:44:23,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 1149 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-05 11:44:23,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4502 states. [2024-11-05 11:44:23,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4502 to 4494. [2024-11-05 11:44:23,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4494 states, 3438 states have (on average 1.2705061082024434) internal successors, (4368), 3523 states have internal predecessors, (4368), 795 states have call successors, (795), 261 states have call predecessors, (795), 260 states have return successors, (793), 793 states have call predecessors, (793), 793 states have call successors, (793) [2024-11-05 11:44:23,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4494 states to 4494 states and 5956 transitions. [2024-11-05 11:44:23,337 INFO L78 Accepts]: Start accepts. Automaton has 4494 states and 5956 transitions. Word has length 122 [2024-11-05 11:44:23,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:44:23,338 INFO L471 AbstractCegarLoop]: Abstraction has 4494 states and 5956 transitions. [2024-11-05 11:44:23,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-05 11:44:23,338 INFO L276 IsEmpty]: Start isEmpty. Operand 4494 states and 5956 transitions. [2024-11-05 11:44:23,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-05 11:44:23,348 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:44:23,348 INFO L215 NwaCegarLoop]: trace histogram [12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:44:23,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (9)] Forceful destruction successful, exit code 0 [2024-11-05 11:44:23,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:44:23,549 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:44:23,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:44:23,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1818712957, now seen corresponding path program 1 times [2024-11-05 11:44:23,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:44:23,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1690533743] [2024-11-05 11:44:23,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:44:23,550 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:44:23,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:44:23,551 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:44:23,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (10)] Waiting until timeout for monitored process [2024-11-05 11:44:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:44:24,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 868 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-05 11:44:24,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:44:24,692 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-05 11:44:24,693 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:44:25,613 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-05 11:44:25,614 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:44:25,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1690533743] [2024-11-05 11:44:25,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1690533743] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:44:25,614 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:44:25,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-05 11:44:25,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422224639] [2024-11-05 11:44:25,614 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:44:25,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 11:44:25,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:44:25,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 11:44:25,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-05 11:44:25,615 INFO L87 Difference]: Start difference. First operand 4494 states and 5956 transitions. Second operand has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 states have internal predecessors, (112), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-05 11:44:29,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 11:44:33,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 11:44:34,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:44:34,013 INFO L93 Difference]: Finished difference Result 7848 states and 10406 transitions. [2024-11-05 11:44:34,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-05 11:44:34,014 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 states have internal predecessors, (112), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 165 [2024-11-05 11:44:34,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:44:34,039 INFO L225 Difference]: With dead ends: 7848 [2024-11-05 11:44:34,039 INFO L226 Difference]: Without dead ends: 3387 [2024-11-05 11:44:34,058 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-05 11:44:34,059 INFO L432 NwaCegarLoop]: 582 mSDtfsCounter, 11 mSDsluCounter, 2311 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 2893 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2024-11-05 11:44:34,060 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 2893 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 2 Unknown, 0 Unchecked, 8.3s Time] [2024-11-05 11:44:34,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3387 states. [2024-11-05 11:44:34,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3387 to 3362. [2024-11-05 11:44:34,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3362 states, 2568 states have (on average 1.2686915887850467) internal successors, (3258), 2632 states have internal predecessors, (3258), 596 states have call successors, (596), 198 states have call predecessors, (596), 197 states have return successors, (594), 594 states have call predecessors, (594), 594 states have call successors, (594) [2024-11-05 11:44:34,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3362 states to 3362 states and 4448 transitions. [2024-11-05 11:44:34,220 INFO L78 Accepts]: Start accepts. Automaton has 3362 states and 4448 transitions. Word has length 165 [2024-11-05 11:44:34,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:44:34,222 INFO L471 AbstractCegarLoop]: Abstraction has 3362 states and 4448 transitions. [2024-11-05 11:44:34,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 states have internal predecessors, (112), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-05 11:44:34,222 INFO L276 IsEmpty]: Start isEmpty. Operand 3362 states and 4448 transitions. [2024-11-05 11:44:34,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-05 11:44:34,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:44:34,230 INFO L215 NwaCegarLoop]: trace histogram [12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:44:34,253 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (10)] Ended with exit code 0 [2024-11-05 11:44:34,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:44:34,431 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:44:34,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:44:34,432 INFO L85 PathProgramCache]: Analyzing trace with hash -2055869236, now seen corresponding path program 1 times [2024-11-05 11:44:34,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:44:34,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1540433260] [2024-11-05 11:44:34,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:44:34,432 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:44:34,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:44:34,435 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:44:34,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (11)] Waiting until timeout for monitored process [2024-11-05 11:44:35,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:44:35,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 873 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-05 11:44:35,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:44:35,564 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-05 11:44:35,564 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:44:37,050 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-11-05 11:44:37,051 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:44:37,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1540433260] [2024-11-05 11:44:37,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1540433260] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:44:37,051 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:44:37,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2024-11-05 11:44:37,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487475689] [2024-11-05 11:44:37,051 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:44:37,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-05 11:44:37,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:44:37,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-05 11:44:37,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-05 11:44:37,052 INFO L87 Difference]: Start difference. First operand 3362 states and 4448 transitions. Second operand has 8 states, 8 states have (on average 12.375) internal successors, (99), 6 states have internal predecessors, (99), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (17), 4 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-05 11:44:37,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:44:37,399 INFO L93 Difference]: Finished difference Result 6364 states and 8486 transitions. [2024-11-05 11:44:37,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-05 11:44:37,400 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 6 states have internal predecessors, (99), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (17), 4 states have call predecessors, (17), 2 states have call successors, (17) Word has length 166 [2024-11-05 11:44:37,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:44:37,433 INFO L225 Difference]: With dead ends: 6364 [2024-11-05 11:44:37,433 INFO L226 Difference]: Without dead ends: 3380 [2024-11-05 11:44:37,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-05 11:44:37,448 INFO L432 NwaCegarLoop]: 580 mSDtfsCounter, 0 mSDsluCounter, 2306 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2886 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-05 11:44:37,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2886 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-05 11:44:37,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3380 states. [2024-11-05 11:44:37,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3380 to 3366. [2024-11-05 11:44:37,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3366 states, 2570 states have (on average 1.2684824902723735) internal successors, (3260), 2636 states have internal predecessors, (3260), 596 states have call successors, (596), 198 states have call predecessors, (596), 199 states have return successors, (610), 594 states have call predecessors, (610), 594 states have call successors, (610) [2024-11-05 11:44:37,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3366 states to 3366 states and 4466 transitions. [2024-11-05 11:44:37,656 INFO L78 Accepts]: Start accepts. Automaton has 3366 states and 4466 transitions. Word has length 166 [2024-11-05 11:44:37,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:44:37,656 INFO L471 AbstractCegarLoop]: Abstraction has 3366 states and 4466 transitions. [2024-11-05 11:44:37,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 6 states have internal predecessors, (99), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (17), 4 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-05 11:44:37,657 INFO L276 IsEmpty]: Start isEmpty. Operand 3366 states and 4466 transitions. [2024-11-05 11:44:37,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-05 11:44:37,665 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:44:37,666 INFO L215 NwaCegarLoop]: trace histogram [12, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:44:37,687 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (11)] Ended with exit code 0 [2024-11-05 11:44:37,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:44:37,867 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:44:37,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:44:37,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1280871145, now seen corresponding path program 1 times [2024-11-05 11:44:37,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:44:37,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1418340182] [2024-11-05 11:44:37,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:44:37,869 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:44:37,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:44:37,871 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:44:37,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (12)] Waiting until timeout for monitored process [2024-11-05 11:44:38,588 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (12)] Ended with exit code 0 [2024-11-05 11:44:38,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:44:38,757 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (12) with exit command (exit)) Unexpected Exception while parsing No stderr output. at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:88) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:128) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:113) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (12) with exit command (exit)) Unexpected Exception while parsing No stderr output. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:271) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:317) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:215) ... 29 more Caused by: java.lang.Exception: Can't recover from previous error(s) at com.github.jhoenicke.javacup.runtime.LRParser.report_fatal_error(LRParser.java:281) at com.github.jhoenicke.javacup.runtime.LRParser.unrecovered_syntax_error(LRParser.java:330) at com.github.jhoenicke.javacup.runtime.LRParser.error_recovery(LRParser.java:624) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:401) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 36 more [2024-11-05 11:44:38,761 INFO L158 Benchmark]: Toolchain (without parser) took 49917.10ms. Allocated memory was 406.8MB in the beginning and 550.5MB in the end (delta: 143.7MB). Free memory was 350.0MB in the beginning and 403.1MB in the end (delta: -53.1MB). Peak memory consumption was 91.4MB. Max. memory is 8.0GB. [2024-11-05 11:44:38,761 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 209.7MB. Free memory is still 163.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-05 11:44:38,761 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1382.36ms. Allocated memory is still 406.8MB. Free memory was 349.5MB in the beginning and 240.4MB in the end (delta: 109.1MB). Peak memory consumption was 109.1MB. Max. memory is 8.0GB. [2024-11-05 11:44:38,761 INFO L158 Benchmark]: Boogie Procedure Inliner took 148.66ms. Allocated memory is still 406.8MB. Free memory was 240.4MB in the beginning and 230.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2024-11-05 11:44:38,762 INFO L158 Benchmark]: Boogie Preprocessor took 422.30ms. Allocated memory is still 406.8MB. Free memory was 230.0MB in the beginning and 165.5MB in the end (delta: 64.5MB). Peak memory consumption was 65.0MB. Max. memory is 8.0GB. [2024-11-05 11:44:38,762 INFO L158 Benchmark]: RCFGBuilder took 8042.00ms. Allocated memory is still 406.8MB. Free memory was 165.5MB in the beginning and 178.1MB in the end (delta: -12.6MB). Peak memory consumption was 25.1MB. Max. memory is 8.0GB. [2024-11-05 11:44:38,762 INFO L158 Benchmark]: TraceAbstraction took 39911.85ms. Allocated memory was 406.8MB in the beginning and 550.5MB in the end (delta: 143.7MB). Free memory was 177.0MB in the beginning and 403.1MB in the end (delta: -226.0MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-05 11:44:38,764 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 209.7MB. Free memory is still 163.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1382.36ms. Allocated memory is still 406.8MB. Free memory was 349.5MB in the beginning and 240.4MB in the end (delta: 109.1MB). Peak memory consumption was 109.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 148.66ms. Allocated memory is still 406.8MB. Free memory was 240.4MB in the beginning and 230.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 422.30ms. Allocated memory is still 406.8MB. Free memory was 230.0MB in the beginning and 165.5MB in the end (delta: 64.5MB). Peak memory consumption was 65.0MB. Max. memory is 8.0GB. * RCFGBuilder took 8042.00ms. Allocated memory is still 406.8MB. Free memory was 165.5MB in the beginning and 178.1MB in the end (delta: -12.6MB). Peak memory consumption was 25.1MB. Max. memory is 8.0GB. * TraceAbstraction took 39911.85ms. Allocated memory was 406.8MB in the beginning and 550.5MB in the end (delta: 143.7MB). Free memory was 177.0MB in the beginning and 403.1MB in the end (delta: -226.0MB). There was no memory consumed. 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: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (12) with exit command (exit)) Unexpected Exception while parsing No stderr output. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (12) with exit command (exit)) Unexpected Exception while parsing No stderr output.: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-05 11:44:38,846 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...