./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--common--saa7146--saa7146.ko-ldv_main0.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--common--saa7146--saa7146.ko-ldv_main0.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9a4c86b005d25b7b47a4f0d39ab40dcf944046f8128f9f9f64f6ee97f46493f6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 08:15:35,434 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 08:15:35,490 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 08:15:35,494 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 08:15:35,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 08:15:35,512 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 08:15:35,512 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 08:15:35,512 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 08:15:35,513 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 08:15:35,513 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 08:15:35,513 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 08:15:35,513 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 08:15:35,513 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 08:15:35,514 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 08:15:35,514 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 08:15:35,514 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 08:15:35,515 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 08:15:35,515 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 08:15:35,515 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 08:15:35,515 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 08:15:35,515 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 08:15:35,515 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 08:15:35,515 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 08:15:35,516 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 08:15:35,516 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 08:15:35,516 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 08:15:35,516 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 08:15:35,516 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 08:15:35,516 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 08:15:35,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 08:15:35,517 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 08:15:35,517 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 08:15:35,517 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 08:15:35,517 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 08:15:35,517 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 08:15:35,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 08:15:35,517 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 08:15:35,518 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 08:15:35,518 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 08:15:35,518 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 08:15:35,518 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a4c86b005d25b7b47a4f0d39ab40dcf944046f8128f9f9f64f6ee97f46493f6 [2025-03-17 08:15:35,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 08:15:35,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 08:15:35,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 08:15:35,759 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 08:15:35,759 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 08:15:35,760 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--common--saa7146--saa7146.ko-ldv_main0.cil.out.i [2025-03-17 08:15:36,975 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/599455f84/99adcfc2cdab4acabc3f3c0bd1ee7c86/FLAG3f118fa71 [2025-03-17 08:15:37,433 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 08:15:37,433 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--common--saa7146--saa7146.ko-ldv_main0.cil.out.i [2025-03-17 08:15:37,485 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/599455f84/99adcfc2cdab4acabc3f3c0bd1ee7c86/FLAG3f118fa71 [2025-03-17 08:15:37,535 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/599455f84/99adcfc2cdab4acabc3f3c0bd1ee7c86 [2025-03-17 08:15:37,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 08:15:37,539 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 08:15:37,541 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 08:15:37,541 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 08:15:37,544 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 08:15:37,544 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 08:15:37" (1/1) ... [2025-03-17 08:15:37,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36b60d7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:15:37, skipping insertion in model container [2025-03-17 08:15:37,546 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 08:15:37" (1/1) ... [2025-03-17 08:15:37,612 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 08:15:38,642 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--common--saa7146--saa7146.ko-ldv_main0.cil.out.i[215431,215444] [2025-03-17 08:15:38,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 08:15:38,713 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 08:15:38,796 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)); [4603-4604] [2025-03-17 08:15:38,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4618] [2025-03-17 08:15:38,799 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4621] [2025-03-17 08:15:38,799 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4624] [2025-03-17 08:15:38,799 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4627] [2025-03-17 08:15:38,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4694] [2025-03-17 08:15:38,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4701] [2025-03-17 08:15:38,861 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 *)"/work/ldvuser/exper_fp/inst/current/envs/linux-3.10-rc1.tar/linux-3.10-rc1/arch/x86/include/asm/paravirt.h"), "i" (824), "i" (12UL)); [5674-5675] [2025-03-17 08:15:38,862 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5680-5682] [2025-03-17 08:15:38,867 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)); [5811-5812] [2025-03-17 08:15:38,868 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" (67), "i" (12UL)); [5819-5820] [2025-03-17 08:15:38,869 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" (68), "i" (12UL)); [5827-5828] [2025-03-17 08:15:38,871 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" (98), "i" (12UL)); [5854-5855] [2025-03-17 08:15:38,871 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" (99), "i" (12UL)); [5862-5863] [2025-03-17 08:15:38,877 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (52), "i" (12UL)); [5951-5952] [2025-03-17 08:15:38,879 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (65), "i" (12UL)); [5976-5977] [2025-03-17 08:15:38,887 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 *)"/work/ldvuser/exper_fp/work/current--X--drivers--X--defaultlinux-3.10-rc1.tar--X--32_7a--X--cpachecker/linux-3.10-rc1.tar/csd_deg_dscv/2093/dscv_tempdir/dscv/ri/32_7a/drivers/media/common/saa7146/saa7146_core.c.prepared"), "i" (99), "i" (12UL)); [6174-6175] [2025-03-17 08:15:38,895 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/exper_fp/work/current--X--drivers--X--defaultlinux-3.10-rc1.tar--X--32_7a--X--cpachecker/linux-3.10-rc1.tar/csd_deg_dscv/2093/dscv_tempdir/dscv/ri/32_7a/drivers/media/common/saa7146/saa7146_core.c.prepared"), "i" (210), "i" (12UL)); [6359-6360] [2025-03-17 08:15:38,901 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 *)"/work/ldvuser/exper_fp/work/current--X--drivers--X--defaultlinux-3.10-rc1.tar--X--32_7a--X--cpachecker/linux-3.10-rc1.tar/csd_deg_dscv/2093/dscv_tempdir/dscv/ri/32_7a/drivers/media/common/saa7146/saa7146_core.c.prepared"), "i" (301), "i" (12UL)); [6490-6491] [2025-03-17 08:15:38,901 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 *)"/work/ldvuser/exper_fp/work/current--X--drivers--X--defaultlinux-3.10-rc1.tar--X--32_7a--X--cpachecker/linux-3.10-rc1.tar/csd_deg_dscv/2093/dscv_tempdir/dscv/ri/32_7a/drivers/media/common/saa7146/saa7146_core.c.prepared"), "i" (302), "i" (12UL)); [6498-6499] [2025-03-17 08:15:38,980 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--common--saa7146--saa7146.ko-ldv_main0.cil.out.i[215431,215444] [2025-03-17 08:15:38,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 08:15:39,032 INFO L204 MainTranslator]: Completed translation [2025-03-17 08:15:39,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:15:39 WrapperNode [2025-03-17 08:15:39,033 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 08:15:39,034 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 08:15:39,034 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 08:15:39,034 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 08:15:39,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:15:39" (1/1) ... [2025-03-17 08:15:39,085 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:15:39" (1/1) ... [2025-03-17 08:15:39,160 INFO L138 Inliner]: procedures = 210, calls = 1449, calls flagged for inlining = 82, calls inlined = 27, statements flattened = 1847 [2025-03-17 08:15:39,160 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 08:15:39,161 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 08:15:39,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 08:15:39,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 08:15:39,168 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:15:39" (1/1) ... [2025-03-17 08:15:39,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:15:39" (1/1) ... [2025-03-17 08:15:39,182 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:15:39" (1/1) ... [2025-03-17 08:15:39,233 INFO L175 MemorySlicer]: Split 430 memory accesses to 22 slices as follows [2, 2, 8, 8, 7, 3, 49, 8, 8, 1, 8, 8, 8, 128, 8, 8, 112, 8, 8, 24, 8, 6]. 30 percent of accesses are in the largest equivalence class. The 229 initializations are split as follows [0, 2, 8, 8, 0, 3, 0, 8, 8, 0, 8, 8, 8, 128, 8, 8, 0, 8, 8, 0, 8, 0]. The 112 writes are split as follows [1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 96, 0, 0, 9, 0, 5]. [2025-03-17 08:15:39,233 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:15:39" (1/1) ... [2025-03-17 08:15:39,234 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:15:39" (1/1) ... [2025-03-17 08:15:39,266 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:15:39" (1/1) ... [2025-03-17 08:15:39,274 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:15:39" (1/1) ... [2025-03-17 08:15:39,315 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:15:39" (1/1) ... [2025-03-17 08:15:39,321 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:15:39" (1/1) ... [2025-03-17 08:15:39,337 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 08:15:39,338 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 08:15:39,338 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 08:15:39,338 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 08:15:39,339 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:15:39" (1/1) ... [2025-03-17 08:15:39,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 08:15:39,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 08:15:39,365 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) [2025-03-17 08:15:39,368 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 [2025-03-17 08:15:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2025-03-17 08:15:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2025-03-17 08:15:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_writeout [2025-03-17 08:15:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_writeout [2025-03-17 08:15:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2025-03-17 08:15:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2025-03-17 08:15:39,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-17 08:15:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-17 08:15:39,390 INFO L130 BoogieDeclarations]: Found specification of procedure SAA7146_IER_DISABLE [2025-03-17 08:15:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure SAA7146_IER_DISABLE [2025-03-17 08:15:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2025-03-17 08:15:39,391 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2025-03-17 08:15:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-03-17 08:15:39,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-03-17 08:15:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-17 08:15:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-17 08:15:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-17 08:15:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-17 08:15:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-17 08:15:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-17 08:15:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-17 08:15:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-17 08:15:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-03-17 08:15:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-03-17 08:15:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-03-17 08:15:39,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-03-17 08:15:39,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2025-03-17 08:15:39,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2025-03-17 08:15:39,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2025-03-17 08:15:39,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2025-03-17 08:15:39,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2025-03-17 08:15:39,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2025-03-17 08:15:39,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2025-03-17 08:15:39,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2025-03-17 08:15:39,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2025-03-17 08:15:39,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2025-03-17 08:15:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-17 08:15:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-17 08:15:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-17 08:15:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-17 08:15:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-17 08:15:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-17 08:15:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-17 08:15:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-17 08:15:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-03-17 08:15:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-03-17 08:15:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-03-17 08:15:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-03-17 08:15:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2025-03-17 08:15:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2025-03-17 08:15:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2025-03-17 08:15:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2025-03-17 08:15:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2025-03-17 08:15:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2025-03-17 08:15:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2025-03-17 08:15:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2025-03-17 08:15:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2025-03-17 08:15:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2025-03-17 08:15:39,393 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2025-03-17 08:15:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2025-03-17 08:15:39,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 08:15:39,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 08:15:39,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 08:15:39,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 08:15:39,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 08:15:39,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 08:15:39,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2025-03-17 08:15:39,394 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2025-03-17 08:15:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_status [2025-03-17 08:15:39,394 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_status [2025-03-17 08:15:39,395 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-17 08:15:39,395 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-17 08:15:39,395 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2025-03-17 08:15:39,395 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2025-03-17 08:15:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2025-03-17 08:15:39,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2025-03-17 08:15:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2025-03-17 08:15:39,396 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2025-03-17 08:15:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 08:15:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 08:15:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 08:15:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 08:15:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 08:15:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 08:15:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 08:15:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-17 08:15:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-17 08:15:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-17 08:15:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-17 08:15:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-17 08:15:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-17 08:15:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-17 08:15:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-17 08:15:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-17 08:15:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-17 08:15:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-17 08:15:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-17 08:15:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-03-17 08:15:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-03-17 08:15:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-03-17 08:15:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure to_saa7146_dev [2025-03-17 08:15:39,397 INFO L138 BoogieDeclarations]: Found implementation of procedure to_saa7146_dev [2025-03-17 08:15:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 08:15:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 08:15:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 08:15:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 08:15:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 08:15:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 08:15:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 08:15:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-17 08:15:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-17 08:15:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-17 08:15:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-17 08:15:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-17 08:15:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-17 08:15:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-17 08:15:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-17 08:15:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-17 08:15:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-17 08:15:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-17 08:15:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-17 08:15:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-03-17 08:15:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-03-17 08:15:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-03-17 08:15:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2025-03-17 08:15:39,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2025-03-17 08:15:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-17 08:15:39,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-17 08:15:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 08:15:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 08:15:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2025-03-17 08:15:39,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2025-03-17 08:15:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 08:15:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 08:15:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 08:15:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 08:15:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 08:15:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 08:15:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 08:15:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-17 08:15:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-17 08:15:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2025-03-17 08:15:39,399 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2025-03-17 08:15:39,399 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-03-17 08:15:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_i2c_reset [2025-03-17 08:15:39,399 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_i2c_reset [2025-03-17 08:15:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 08:15:39,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 08:15:39,722 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 08:15:39,724 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 08:15:39,756 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7627: havoc #t~ret694.base, #t~ret694.offset; [2025-03-17 08:15:40,288 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4991: call ULTIMATE.dealloc(~#descriptor~1#1.base, ~#descriptor~1#1.offset);havoc ~#descriptor~1#1.base, ~#descriptor~1#1.offset;call ULTIMATE.dealloc(~#__wait~0#1.base, ~#__wait~0#1.offset);havoc ~#__wait~0#1.base, ~#__wait~0#1.offset;call ULTIMATE.dealloc(~#descriptor___0~1#1.base, ~#descriptor___0~1#1.offset);havoc ~#descriptor___0~1#1.base, ~#descriptor___0~1#1.offset;call ULTIMATE.dealloc(~#descriptor___1~1#1.base, ~#descriptor___1~1#1.offset);havoc ~#descriptor___1~1#1.base, ~#descriptor___1~1#1.offset;call ULTIMATE.dealloc(~#descriptor___2~0#1.base, ~#descriptor___2~0#1.offset);havoc ~#descriptor___2~0#1.base, ~#descriptor___2~0#1.offset;call ULTIMATE.dealloc(~#descriptor___3~0#1.base, ~#descriptor___3~0#1.offset);havoc ~#descriptor___3~0#1.base, ~#descriptor___3~0#1.offset;call ULTIMATE.dealloc(~#descriptor___4~0#1.base, ~#descriptor___4~0#1.offset);havoc ~#descriptor___4~0#1.base, ~#descriptor___4~0#1.offset;call ULTIMATE.dealloc(~#descriptor___5~0#1.base, ~#descriptor___5~0#1.offset);havoc ~#descriptor___5~0#1.base, ~#descriptor___5~0#1.offset;call ULTIMATE.dealloc(~#descriptor___6~0#1.base, ~#descriptor___6~0#1.offset);havoc ~#descriptor___6~0#1.base, ~#descriptor___6~0#1.offset; [2025-03-17 08:15:40,289 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7698: havoc schedule_timeout_#t~nondet703#1; [2025-03-17 08:15:40,307 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5730: havoc ~res~0#1.base, ~res~0#1.offset; [2025-03-17 08:15:40,363 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7589: havoc #t~nondet691; [2025-03-17 08:15:40,445 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7690: havoc #t~nondet701; [2025-03-17 08:15:40,447 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7609: havoc #t~nondet693; [2025-03-17 08:15:40,580 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4900: call ULTIMATE.dealloc(~#descriptor~0.base, ~#descriptor~0.offset);havoc ~#descriptor~0.base, ~#descriptor~0.offset;call ULTIMATE.dealloc(~#descriptor___0~0.base, ~#descriptor___0~0.offset);havoc ~#descriptor___0~0.base, ~#descriptor___0~0.offset;call ULTIMATE.dealloc(~#descriptor___1~0.base, ~#descriptor___1~0.offset);havoc ~#descriptor___1~0.base, ~#descriptor___1~0.offset; [2025-03-17 08:15:41,024 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5273: call ULTIMATE.dealloc(saa7146_i2c_transfer_~#descriptor~2#1.base, saa7146_i2c_transfer_~#descriptor~2#1.offset);havoc saa7146_i2c_transfer_~#descriptor~2#1.base, saa7146_i2c_transfer_~#descriptor~2#1.offset;call ULTIMATE.dealloc(saa7146_i2c_transfer_~#descriptor___0~2#1.base, saa7146_i2c_transfer_~#descriptor___0~2#1.offset);havoc saa7146_i2c_transfer_~#descriptor___0~2#1.base, saa7146_i2c_transfer_~#descriptor___0~2#1.offset;call ULTIMATE.dealloc(saa7146_i2c_transfer_~#descriptor___1~2#1.base, saa7146_i2c_transfer_~#descriptor___1~2#1.offset);havoc saa7146_i2c_transfer_~#descriptor___1~2#1.base, saa7146_i2c_transfer_~#descriptor___1~2#1.offset;call ULTIMATE.dealloc(saa7146_i2c_transfer_~#descriptor___2~1#1.base, saa7146_i2c_transfer_~#descriptor___2~1#1.offset);havoc saa7146_i2c_transfer_~#descriptor___2~1#1.base, saa7146_i2c_transfer_~#descriptor___2~1#1.offset;call ULTIMATE.dealloc(saa7146_i2c_transfer_~#descriptor___3~1#1.base, saa7146_i2c_transfer_~#descriptor___3~1#1.offset);havoc saa7146_i2c_transfer_~#descriptor___3~1#1.base, saa7146_i2c_transfer_~#descriptor___3~1#1.offset;call ULTIMATE.dealloc(saa7146_i2c_transfer_~#zero~0#1.base, saa7146_i2c_transfer_~#zero~0#1.offset);havoc saa7146_i2c_transfer_~#zero~0#1.base, saa7146_i2c_transfer_~#zero~0#1.offset; [2025-03-17 08:15:41,024 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7656: havoc mutex_lock_interruptible_#t~nondet697#1; [2025-03-17 08:15:41,024 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5641-1: ldv_mutex_lock_interruptible_10_#res#1 := ldv_mutex_lock_interruptible_10_~ldv_func_res~1#1; [2025-03-17 08:15:41,165 INFO L? ?]: Removed 415 outVars from TransFormulas that were not future-live. [2025-03-17 08:15:41,165 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 08:15:41,208 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 08:15:41,208 INFO L336 CfgBuilder]: Removed 3 assume(true) statements. [2025-03-17 08:15:41,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 08:15:41 BoogieIcfgContainer [2025-03-17 08:15:41,209 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 08:15:41,211 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 08:15:41,211 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 08:15:41,215 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 08:15:41,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 08:15:37" (1/3) ... [2025-03-17 08:15:41,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46cca503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 08:15:41, skipping insertion in model container [2025-03-17 08:15:41,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:15:39" (2/3) ... [2025-03-17 08:15:41,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46cca503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 08:15:41, skipping insertion in model container [2025-03-17 08:15:41,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 08:15:41" (3/3) ... [2025-03-17 08:15:41,217 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--media--common--saa7146--saa7146.ko-ldv_main0.cil.out.i [2025-03-17 08:15:41,227 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 08:15:41,228 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.8-rc1-32_7a-drivers--media--common--saa7146--saa7146.ko-ldv_main0.cil.out.i that has 44 procedures, 615 locations, 1 initial locations, 22 loop locations, and 1 error locations. [2025-03-17 08:15:41,283 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 08:15:41,293 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;@57929e10, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 08:15:41,294 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 08:15:41,298 INFO L276 IsEmpty]: Start isEmpty. Operand has 531 states, 401 states have (on average 1.4339152119700749) internal successors, (575), 413 states have internal predecessors, (575), 106 states have call successors, (106), 22 states have call predecessors, (106), 22 states have return successors, (106), 105 states have call predecessors, (106), 106 states have call successors, (106) [2025-03-17 08:15:41,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-17 08:15:41,303 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:15:41,304 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-17 08:15:41,304 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:15:41,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:15:41,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1905975845, now seen corresponding path program 1 times [2025-03-17 08:15:41,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:15:41,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222874032] [2025-03-17 08:15:41,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:15:41,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:15:41,411 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 08:15:41,499 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 08:15:41,499 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:15:41,499 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:15:41,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 08:15:41,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:15:41,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222874032] [2025-03-17 08:15:41,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222874032] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:15:41,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:15:41,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 08:15:41,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522705899] [2025-03-17 08:15:41,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:15:41,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:15:41,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:15:41,725 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:15:41,726 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:15:41,728 INFO L87 Difference]: Start difference. First operand has 531 states, 401 states have (on average 1.4339152119700749) internal successors, (575), 413 states have internal predecessors, (575), 106 states have call successors, (106), 22 states have call predecessors, (106), 22 states have return successors, (106), 105 states have call predecessors, (106), 106 states have call successors, (106) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 08:15:41,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:15:41,940 INFO L93 Difference]: Finished difference Result 1566 states and 2334 transitions. [2025-03-17 08:15:41,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:15:41,944 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-03-17 08:15:41,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:15:41,960 INFO L225 Difference]: With dead ends: 1566 [2025-03-17 08:15:41,960 INFO L226 Difference]: Without dead ends: 1033 [2025-03-17 08:15:41,967 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:15:41,968 INFO L435 NwaCegarLoop]: 731 mSDtfsCounter, 765 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 765 SdHoareTripleChecker+Valid, 1435 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 08:15:41,969 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [765 Valid, 1435 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 08:15:41,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2025-03-17 08:15:42,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 1030. [2025-03-17 08:15:42,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1030 states, 784 states have (on average 1.4221938775510203) internal successors, (1115), 798 states have internal predecessors, (1115), 204 states have call successors, (204), 42 states have call predecessors, (204), 41 states have return successors, (197), 195 states have call predecessors, (197), 197 states have call successors, (197) [2025-03-17 08:15:42,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 1030 states and 1516 transitions. [2025-03-17 08:15:42,084 INFO L78 Accepts]: Start accepts. Automaton has 1030 states and 1516 transitions. Word has length 6 [2025-03-17 08:15:42,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:15:42,085 INFO L471 AbstractCegarLoop]: Abstraction has 1030 states and 1516 transitions. [2025-03-17 08:15:42,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 08:15:42,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1516 transitions. [2025-03-17 08:15:42,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-17 08:15:42,086 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:15:42,086 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:15:42,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 08:15:42,086 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:15:42,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:15:42,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1044776640, now seen corresponding path program 1 times [2025-03-17 08:15:42,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:15:42,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749297966] [2025-03-17 08:15:42,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:15:42,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:15:42,116 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-17 08:15:42,140 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-17 08:15:42,141 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:15:42,141 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:15:42,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 08:15:42,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:15:42,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749297966] [2025-03-17 08:15:42,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749297966] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:15:42,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:15:42,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 08:15:42,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537422008] [2025-03-17 08:15:42,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:15:42,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:15:42,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:15:42,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:15:42,215 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:15:42,215 INFO L87 Difference]: Start difference. First operand 1030 states and 1516 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 08:15:42,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:15:42,306 INFO L93 Difference]: Finished difference Result 1032 states and 1517 transitions. [2025-03-17 08:15:42,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:15:42,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-03-17 08:15:42,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:15:42,312 INFO L225 Difference]: With dead ends: 1032 [2025-03-17 08:15:42,312 INFO L226 Difference]: Without dead ends: 1029 [2025-03-17 08:15:42,312 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:15:42,313 INFO L435 NwaCegarLoop]: 728 mSDtfsCounter, 766 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 766 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 08:15:42,313 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [766 Valid, 728 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 08:15:42,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2025-03-17 08:15:42,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 1029. [2025-03-17 08:15:42,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1029 states, 784 states have (on average 1.4209183673469388) internal successors, (1114), 797 states have internal predecessors, (1114), 203 states have call successors, (203), 42 states have call predecessors, (203), 41 states have return successors, (197), 195 states have call predecessors, (197), 197 states have call successors, (197) [2025-03-17 08:15:42,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1514 transitions. [2025-03-17 08:15:42,364 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1514 transitions. Word has length 7 [2025-03-17 08:15:42,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:15:42,364 INFO L471 AbstractCegarLoop]: Abstraction has 1029 states and 1514 transitions. [2025-03-17 08:15:42,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 08:15:42,364 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1514 transitions. [2025-03-17 08:15:42,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-17 08:15:42,365 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:15:42,365 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:15:42,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 08:15:42,365 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:15:42,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:15:42,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1971175814, now seen corresponding path program 1 times [2025-03-17 08:15:42,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:15:42,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418624220] [2025-03-17 08:15:42,366 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:15:42,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:15:42,384 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-17 08:15:42,397 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-17 08:15:42,398 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:15:42,398 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:15:42,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 08:15:42,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:15:42,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418624220] [2025-03-17 08:15:42,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418624220] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:15:42,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:15:42,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 08:15:42,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127931872] [2025-03-17 08:15:42,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:15:42,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:15:42,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:15:42,451 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:15:42,451 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:15:42,451 INFO L87 Difference]: Start difference. First operand 1029 states and 1514 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 08:15:42,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:15:42,537 INFO L93 Difference]: Finished difference Result 1031 states and 1515 transitions. [2025-03-17 08:15:42,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:15:42,538 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-03-17 08:15:42,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:15:42,544 INFO L225 Difference]: With dead ends: 1031 [2025-03-17 08:15:42,545 INFO L226 Difference]: Without dead ends: 1028 [2025-03-17 08:15:42,545 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:15:42,545 INFO L435 NwaCegarLoop]: 726 mSDtfsCounter, 763 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 763 SdHoareTripleChecker+Valid, 726 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 08:15:42,546 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [763 Valid, 726 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 08:15:42,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2025-03-17 08:15:42,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 1028. [2025-03-17 08:15:42,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1028 states, 784 states have (on average 1.4196428571428572) internal successors, (1113), 796 states have internal predecessors, (1113), 202 states have call successors, (202), 42 states have call predecessors, (202), 41 states have return successors, (197), 195 states have call predecessors, (197), 197 states have call successors, (197) [2025-03-17 08:15:42,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1512 transitions. [2025-03-17 08:15:42,632 INFO L78 Accepts]: Start accepts. Automaton has 1028 states and 1512 transitions. Word has length 8 [2025-03-17 08:15:42,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:15:42,632 INFO L471 AbstractCegarLoop]: Abstraction has 1028 states and 1512 transitions. [2025-03-17 08:15:42,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 08:15:42,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1512 transitions. [2025-03-17 08:15:42,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-03-17 08:15:42,634 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:15:42,634 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:15:42,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 08:15:42,634 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:15:42,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:15:42,635 INFO L85 PathProgramCache]: Analyzing trace with hash 976420353, now seen corresponding path program 1 times [2025-03-17 08:15:42,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:15:42,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805358723] [2025-03-17 08:15:42,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:15:42,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:15:42,655 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-17 08:15:42,668 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-17 08:15:42,668 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:15:42,668 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:15:42,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 08:15:42,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:15:42,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805358723] [2025-03-17 08:15:42,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805358723] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:15:42,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:15:42,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 08:15:42,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438853031] [2025-03-17 08:15:42,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:15:42,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:15:42,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:15:42,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:15:42,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:15:42,741 INFO L87 Difference]: Start difference. First operand 1028 states and 1512 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 08:15:42,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:15:42,825 INFO L93 Difference]: Finished difference Result 1030 states and 1513 transitions. [2025-03-17 08:15:42,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:15:42,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-03-17 08:15:42,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:15:42,831 INFO L225 Difference]: With dead ends: 1030 [2025-03-17 08:15:42,831 INFO L226 Difference]: Without dead ends: 1027 [2025-03-17 08:15:42,832 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:15:42,833 INFO L435 NwaCegarLoop]: 724 mSDtfsCounter, 760 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 760 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 08:15:42,833 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [760 Valid, 724 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 08:15:42,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2025-03-17 08:15:42,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 1027. [2025-03-17 08:15:42,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 784 states have (on average 1.4183673469387754) internal successors, (1112), 795 states have internal predecessors, (1112), 201 states have call successors, (201), 42 states have call predecessors, (201), 41 states have return successors, (197), 195 states have call predecessors, (197), 197 states have call successors, (197) [2025-03-17 08:15:42,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1510 transitions. [2025-03-17 08:15:42,875 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1510 transitions. Word has length 9 [2025-03-17 08:15:42,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:15:42,876 INFO L471 AbstractCegarLoop]: Abstraction has 1027 states and 1510 transitions. [2025-03-17 08:15:42,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 08:15:42,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1510 transitions. [2025-03-17 08:15:42,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-03-17 08:15:42,876 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:15:42,876 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:15:42,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 08:15:42,877 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:15:42,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:15:42,877 INFO L85 PathProgramCache]: Analyzing trace with hash 203771111, now seen corresponding path program 1 times [2025-03-17 08:15:42,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:15:42,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809145436] [2025-03-17 08:15:42,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:15:42,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:15:42,892 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-17 08:15:42,901 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-17 08:15:42,902 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:15:42,902 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:15:42,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 08:15:42,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:15:42,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809145436] [2025-03-17 08:15:42,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809145436] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:15:42,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:15:42,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 08:15:42,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105583814] [2025-03-17 08:15:42,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:15:42,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:15:42,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:15:42,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:15:42,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:15:42,956 INFO L87 Difference]: Start difference. First operand 1027 states and 1510 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 08:15:43,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:15:43,031 INFO L93 Difference]: Finished difference Result 1029 states and 1511 transitions. [2025-03-17 08:15:43,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:15:43,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2025-03-17 08:15:43,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:15:43,035 INFO L225 Difference]: With dead ends: 1029 [2025-03-17 08:15:43,035 INFO L226 Difference]: Without dead ends: 1021 [2025-03-17 08:15:43,036 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:15:43,036 INFO L435 NwaCegarLoop]: 723 mSDtfsCounter, 757 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 757 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 08:15:43,036 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [757 Valid, 723 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 08:15:43,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2025-03-17 08:15:43,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 1021. [2025-03-17 08:15:43,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1021 states, 779 states have (on average 1.4184852374839538) internal successors, (1105), 789 states have internal predecessors, (1105), 200 states have call successors, (200), 42 states have call predecessors, (200), 41 states have return successors, (197), 195 states have call predecessors, (197), 197 states have call successors, (197) [2025-03-17 08:15:43,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1502 transitions. [2025-03-17 08:15:43,084 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1502 transitions. Word has length 10 [2025-03-17 08:15:43,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:15:43,084 INFO L471 AbstractCegarLoop]: Abstraction has 1021 states and 1502 transitions. [2025-03-17 08:15:43,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 08:15:43,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1502 transitions. [2025-03-17 08:15:43,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-03-17 08:15:43,086 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:15:43,086 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-17 08:15:43,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 08:15:43,086 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:15:43,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:15:43,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1373390802, now seen corresponding path program 1 times [2025-03-17 08:15:43,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:15:43,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220733042] [2025-03-17 08:15:43,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:15:43,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:15:43,131 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-17 08:15:43,151 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-17 08:15:43,151 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:15:43,151 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:15:43,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 08:15:43,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:15:43,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220733042] [2025-03-17 08:15:43,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220733042] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:15:43,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:15:43,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 08:15:43,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796014902] [2025-03-17 08:15:43,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:15:43,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 08:15:43,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:15:43,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 08:15:43,301 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 08:15:43,301 INFO L87 Difference]: Start difference. First operand 1021 states and 1502 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 08:15:43,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:15:43,453 INFO L93 Difference]: Finished difference Result 2005 states and 2960 transitions. [2025-03-17 08:15:43,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 08:15:43,455 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 38 [2025-03-17 08:15:43,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:15:43,461 INFO L225 Difference]: With dead ends: 2005 [2025-03-17 08:15:43,461 INFO L226 Difference]: Without dead ends: 985 [2025-03-17 08:15:43,465 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 08:15:43,466 INFO L435 NwaCegarLoop]: 714 mSDtfsCounter, 0 mSDsluCounter, 2130 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2844 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 08:15:43,466 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2844 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 08:15:43,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 985 states. [2025-03-17 08:15:43,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 985 to 985. [2025-03-17 08:15:43,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 985 states, 754 states have (on average 1.4230769230769231) internal successors, (1073), 762 states have internal predecessors, (1073), 193 states have call successors, (193), 38 states have call predecessors, (193), 37 states have return successors, (192), 190 states have call predecessors, (192), 192 states have call successors, (192) [2025-03-17 08:15:43,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 985 states and 1458 transitions. [2025-03-17 08:15:43,510 INFO L78 Accepts]: Start accepts. Automaton has 985 states and 1458 transitions. Word has length 38 [2025-03-17 08:15:43,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:15:43,510 INFO L471 AbstractCegarLoop]: Abstraction has 985 states and 1458 transitions. [2025-03-17 08:15:43,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 08:15:43,511 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1458 transitions. [2025-03-17 08:15:43,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-03-17 08:15:43,512 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:15:43,512 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:15:43,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 08:15:43,512 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:15:43,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:15:43,513 INFO L85 PathProgramCache]: Analyzing trace with hash -268142292, now seen corresponding path program 1 times [2025-03-17 08:15:43,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:15:43,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507449321] [2025-03-17 08:15:43,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:15:43,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:15:43,543 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-17 08:15:43,575 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-17 08:15:43,575 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:15:43,575 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:15:43,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 08:15:43,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:15:43,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507449321] [2025-03-17 08:15:43,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507449321] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:15:43,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:15:43,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 08:15:43,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163648699] [2025-03-17 08:15:43,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:15:43,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 08:15:43,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:15:43,716 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 08:15:43,716 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 08:15:43,716 INFO L87 Difference]: Start difference. First operand 985 states and 1458 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 08:15:43,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:15:43,866 INFO L93 Difference]: Finished difference Result 988 states and 1460 transitions. [2025-03-17 08:15:43,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 08:15:43,867 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 43 [2025-03-17 08:15:43,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:15:43,870 INFO L225 Difference]: With dead ends: 988 [2025-03-17 08:15:43,870 INFO L226 Difference]: Without dead ends: 518 [2025-03-17 08:15:43,871 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 08:15:43,872 INFO L435 NwaCegarLoop]: 711 mSDtfsCounter, 0 mSDsluCounter, 2126 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2837 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 08:15:43,872 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2837 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 08:15:43,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2025-03-17 08:15:43,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 518. [2025-03-17 08:15:43,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 396 states have (on average 1.4090909090909092) internal successors, (558), 400 states have internal predecessors, (558), 100 states have call successors, (100), 22 states have call predecessors, (100), 21 states have return successors, (99), 98 states have call predecessors, (99), 99 states have call successors, (99) [2025-03-17 08:15:43,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 757 transitions. [2025-03-17 08:15:43,900 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 757 transitions. Word has length 43 [2025-03-17 08:15:43,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:15:43,901 INFO L471 AbstractCegarLoop]: Abstraction has 518 states and 757 transitions. [2025-03-17 08:15:43,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 08:15:43,901 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 757 transitions. [2025-03-17 08:15:43,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-03-17 08:15:43,903 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:15:43,903 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:15:43,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 08:15:43,903 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:15:43,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:15:43,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1011721386, now seen corresponding path program 1 times [2025-03-17 08:15:43,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:15:43,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040804053] [2025-03-17 08:15:43,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:15:43,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:15:43,937 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-17 08:15:43,952 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-17 08:15:43,952 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:15:43,952 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:15:44,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 08:15:44,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:15:44,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040804053] [2025-03-17 08:15:44,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040804053] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:15:44,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:15:44,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 08:15:44,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526631633] [2025-03-17 08:15:44,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:15:44,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:15:44,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:15:44,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:15:44,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:15:44,025 INFO L87 Difference]: Start difference. First operand 518 states and 757 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 08:15:44,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:15:44,106 INFO L93 Difference]: Finished difference Result 518 states and 757 transitions. [2025-03-17 08:15:44,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:15:44,107 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 43 [2025-03-17 08:15:44,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:15:44,109 INFO L225 Difference]: With dead ends: 518 [2025-03-17 08:15:44,109 INFO L226 Difference]: Without dead ends: 0 [2025-03-17 08:15:44,110 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:15:44,110 INFO L435 NwaCegarLoop]: 712 mSDtfsCounter, 692 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 692 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 08:15:44,111 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [692 Valid, 759 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 08:15:44,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-17 08:15:44,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-17 08:15:44,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 08:15:44,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-17 08:15:44,111 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2025-03-17 08:15:44,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:15:44,111 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-17 08:15:44,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 08:15:44,112 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-17 08:15:44,112 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-17 08:15:44,114 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-17 08:15:44,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-17 08:15:44,117 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:15:44,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-17 08:15:46,248 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 08:15:46,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 08:15:46 BoogieIcfgContainer [2025-03-17 08:15:46,258 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 08:15:46,259 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 08:15:46,259 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 08:15:46,259 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 08:15:46,260 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 08:15:41" (3/4) ... [2025-03-17 08:15:46,261 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-17 08:15:46,265 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure saa7146_i2c_status [2025-03-17 08:15:46,265 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure dev_get_drvdata [2025-03-17 08:15:46,265 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printk [2025-03-17 08:15:46,265 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure SAA7146_IER_DISABLE [2025-03-17 08:15:46,265 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure to_saa7146_dev [2025-03-17 08:15:46,265 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2025-03-17 08:15:46,265 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure msleep [2025-03-17 08:15:46,265 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#5 [2025-03-17 08:15:46,265 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2025-03-17 08:15:46,265 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#4 [2025-03-17 08:15:46,265 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#7 [2025-03-17 08:15:46,265 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_error [2025-03-17 08:15:46,265 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#6 [2025-03-17 08:15:46,265 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#1 [2025-03-17 08:15:46,266 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure saa7146_i2c_writeout [2025-03-17 08:15:46,266 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#0 [2025-03-17 08:15:46,266 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#3 [2025-03-17 08:15:46,266 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#2 [2025-03-17 08:15:46,266 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __dynamic_pr_debug [2025-03-17 08:15:46,266 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#10 [2025-03-17 08:15:46,266 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure _raw_spin_lock_irqsave [2025-03-17 08:15:46,266 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#9 [2025-03-17 08:15:46,266 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#8 [2025-03-17 08:15:46,266 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2025-03-17 08:15:46,266 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#18 [2025-03-17 08:15:46,266 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#17 [2025-03-17 08:15:46,266 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#16 [2025-03-17 08:15:46,266 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#15 [2025-03-17 08:15:46,266 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure readl [2025-03-17 08:15:46,266 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#14 [2025-03-17 08:15:46,266 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#13 [2025-03-17 08:15:46,266 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure writel [2025-03-17 08:15:46,266 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#12 [2025-03-17 08:15:46,266 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#11 [2025-03-17 08:15:46,266 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure get_current [2025-03-17 08:15:46,266 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_handler_precall [2025-03-17 08:15:46,266 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#19 [2025-03-17 08:15:46,266 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2025-03-17 08:15:46,266 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2025-03-17 08:15:46,266 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure saa7146_i2c_reset [2025-03-17 08:15:46,266 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#21 [2025-03-17 08:15:46,266 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#20 [2025-03-17 08:15:46,266 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure spinlock_check [2025-03-17 08:15:46,294 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 368 nodes and edges [2025-03-17 08:15:46,297 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 132 nodes and edges [2025-03-17 08:15:46,298 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2025-03-17 08:15:46,300 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2025-03-17 08:15:46,301 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2025-03-17 08:15:46,303 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-03-17 08:15:46,304 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-17 08:15:46,306 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-03-17 08:15:46,307 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-17 08:15:46,433 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-17 08:15:46,434 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-17 08:15:46,434 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 08:15:46,434 INFO L158 Benchmark]: Toolchain (without parser) took 8895.32ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 101.7MB in the beginning and 164.5MB in the end (delta: -62.8MB). Peak memory consumption was 189.3MB. Max. memory is 16.1GB. [2025-03-17 08:15:46,434 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 08:15:46,434 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1492.84ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 101.7MB in the beginning and 74.7MB in the end (delta: 26.9MB). Peak memory consumption was 94.5MB. Max. memory is 16.1GB. [2025-03-17 08:15:46,435 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.31ms. Allocated memory is still 151.0MB. Free memory was 74.7MB in the beginning and 62.8MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 08:15:46,435 INFO L158 Benchmark]: Boogie Preprocessor took 176.15ms. Allocated memory is still 151.0MB. Free memory was 62.8MB in the beginning and 86.8MB in the end (delta: -24.0MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2025-03-17 08:15:46,435 INFO L158 Benchmark]: IcfgBuilder took 1871.40ms. Allocated memory was 151.0MB in the beginning and 327.2MB in the end (delta: 176.2MB). Free memory was 86.8MB in the beginning and 128.5MB in the end (delta: -41.7MB). Peak memory consumption was 134.9MB. Max. memory is 16.1GB. [2025-03-17 08:15:46,435 INFO L158 Benchmark]: TraceAbstraction took 5047.14ms. Allocated memory was 327.2MB in the beginning and 394.3MB in the end (delta: 67.1MB). Free memory was 127.6MB in the beginning and 189.4MB in the end (delta: -61.8MB). Peak memory consumption was 106.7MB. Max. memory is 16.1GB. [2025-03-17 08:15:46,435 INFO L158 Benchmark]: Witness Printer took 175.03ms. Allocated memory is still 394.3MB. Free memory was 189.4MB in the beginning and 164.5MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-17 08:15:46,436 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1492.84ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 101.7MB in the beginning and 74.7MB in the end (delta: 26.9MB). Peak memory consumption was 94.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 126.31ms. Allocated memory is still 151.0MB. Free memory was 74.7MB in the beginning and 62.8MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 176.15ms. Allocated memory is still 151.0MB. Free memory was 62.8MB in the beginning and 86.8MB in the end (delta: -24.0MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. * IcfgBuilder took 1871.40ms. Allocated memory was 151.0MB in the beginning and 327.2MB in the end (delta: 176.2MB). Free memory was 86.8MB in the beginning and 128.5MB in the end (delta: -41.7MB). Peak memory consumption was 134.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5047.14ms. Allocated memory was 327.2MB in the beginning and 394.3MB in the end (delta: 67.1MB). Free memory was 127.6MB in the beginning and 189.4MB in the end (delta: -61.8MB). Peak memory consumption was 106.7MB. Max. memory is 16.1GB. * Witness Printer took 175.03ms. Allocated memory is still 394.3MB. Free memory was 189.4MB in the beginning and 164.5MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 4603]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [4603-4604] - GenericResultAtLocation [Line: 4618]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4618] - GenericResultAtLocation [Line: 4621]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4621] - GenericResultAtLocation [Line: 4624]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4624] - GenericResultAtLocation [Line: 4627]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4627] - GenericResultAtLocation [Line: 4694]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4694] - GenericResultAtLocation [Line: 4701]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4701] - GenericResultAtLocation [Line: 5674]: 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 *)"/work/ldvuser/exper_fp/inst/current/envs/linux-3.10-rc1.tar/linux-3.10-rc1/arch/x86/include/asm/paravirt.h"), "i" (824), "i" (12UL)); [5674-5675] - GenericResultAtLocation [Line: 5680]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5680-5682] - GenericResultAtLocation [Line: 5811]: 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)); [5811-5812] - GenericResultAtLocation [Line: 5819]: 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" (67), "i" (12UL)); [5819-5820] - GenericResultAtLocation [Line: 5827]: 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" (68), "i" (12UL)); [5827-5828] - GenericResultAtLocation [Line: 5854]: 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" (98), "i" (12UL)); [5854-5855] - GenericResultAtLocation [Line: 5862]: 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" (99), "i" (12UL)); [5862-5863] - GenericResultAtLocation [Line: 5951]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (52), "i" (12UL)); [5951-5952] - GenericResultAtLocation [Line: 5976]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (65), "i" (12UL)); [5976-5977] - GenericResultAtLocation [Line: 6174]: 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 *)"/work/ldvuser/exper_fp/work/current--X--drivers--X--defaultlinux-3.10-rc1.tar--X--32_7a--X--cpachecker/linux-3.10-rc1.tar/csd_deg_dscv/2093/dscv_tempdir/dscv/ri/32_7a/drivers/media/common/saa7146/saa7146_core.c.prepared"), "i" (99), "i" (12UL)); [6174-6175] - GenericResultAtLocation [Line: 6359]: 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 *)"/work/ldvuser/exper_fp/work/current--X--drivers--X--defaultlinux-3.10-rc1.tar--X--32_7a--X--cpachecker/linux-3.10-rc1.tar/csd_deg_dscv/2093/dscv_tempdir/dscv/ri/32_7a/drivers/media/common/saa7146/saa7146_core.c.prepared"), "i" (210), "i" (12UL)); [6359-6360] - GenericResultAtLocation [Line: 6490]: 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 *)"/work/ldvuser/exper_fp/work/current--X--drivers--X--defaultlinux-3.10-rc1.tar--X--32_7a--X--cpachecker/linux-3.10-rc1.tar/csd_deg_dscv/2093/dscv_tempdir/dscv/ri/32_7a/drivers/media/common/saa7146/saa7146_core.c.prepared"), "i" (301), "i" (12UL)); [6490-6491] - GenericResultAtLocation [Line: 6498]: 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 *)"/work/ldvuser/exper_fp/work/current--X--drivers--X--defaultlinux-3.10-rc1.tar--X--32_7a--X--cpachecker/linux-3.10-rc1.tar/csd_deg_dscv/2093/dscv_tempdir/dscv/ri/32_7a/drivers/media/common/saa7146/saa7146_core.c.prepared"), "i" (302), "i" (12UL)); [6498-6499] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 7002]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 615 locations, 977 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4503 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4503 mSDsluCounter, 10776 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5007 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 669 IncrementalHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 5769 mSDtfsCounter, 669 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1030occurred in iteration=1, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 156 ConstructedInterpolants, 0 QuantifiedInterpolants, 248 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-17 08:15:46,452 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE