./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_sound-core-oss-snd-mixer-oss-ko--143_7a--506218e.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690ba64a-afcd-401b-a1d8-d9d0143ca090/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690ba64a-afcd-401b-a1d8-d9d0143ca090/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690ba64a-afcd-401b-a1d8-d9d0143ca090/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690ba64a-afcd-401b-a1d8-d9d0143ca090/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_sound-core-oss-snd-mixer-oss-ko--143_7a--506218e.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690ba64a-afcd-401b-a1d8-d9d0143ca090/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690ba64a-afcd-401b-a1d8-d9d0143ca090/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 62cb578dfe3af17ed98c8454048d798a874692901bcf05dac12a80fa481c23e6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:21:32,848 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:21:32,966 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690ba64a-afcd-401b-a1d8-d9d0143ca090/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:21:32,979 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:21:32,980 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:21:33,019 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:21:33,020 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:21:33,021 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:21:33,022 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:21:33,027 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:21:33,027 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:21:33,029 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:21:33,029 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:21:33,031 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:21:33,031 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:21:33,032 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:21:33,032 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:21:33,033 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:21:33,033 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:21:33,033 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:21:33,034 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:21:33,035 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:21:33,036 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:21:33,036 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:21:33,037 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:21:33,037 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:21:33,037 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:21:33,038 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:21:33,038 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:21:33,039 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:21:33,040 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:21:33,040 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:21:33,040 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:21:33,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:21:33,041 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:21:33,041 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:21:33,042 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:21:33,042 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:21:33,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:21:33,042 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:21:33,042 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:21:33,043 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:21:33,043 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690ba64a-afcd-401b-a1d8-d9d0143ca090/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690ba64a-afcd-401b-a1d8-d9d0143ca090/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62cb578dfe3af17ed98c8454048d798a874692901bcf05dac12a80fa481c23e6 [2023-11-19 05:21:33,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:21:33,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:21:33,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:21:33,382 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:21:33,385 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:21:33,387 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690ba64a-afcd-401b-a1d8-d9d0143ca090/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-commit-tester/m0_sound-core-oss-snd-mixer-oss-ko--143_7a--506218e.i [2023-11-19 05:21:36,480 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:21:37,011 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:21:37,012 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690ba64a-afcd-401b-a1d8-d9d0143ca090/sv-benchmarks/c/ldv-commit-tester/m0_sound-core-oss-snd-mixer-oss-ko--143_7a--506218e.i [2023-11-19 05:21:37,054 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690ba64a-afcd-401b-a1d8-d9d0143ca090/bin/utaipan-verify-t7M7D8N6sZ/data/d3d0b3ece/3b0cb9d10da54eb5b9bf1aa671c6ca37/FLAG35496305d [2023-11-19 05:21:37,072 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690ba64a-afcd-401b-a1d8-d9d0143ca090/bin/utaipan-verify-t7M7D8N6sZ/data/d3d0b3ece/3b0cb9d10da54eb5b9bf1aa671c6ca37 [2023-11-19 05:21:37,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:21:37,081 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:21:37,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:21:37,084 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:21:37,089 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:21:37,090 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:21:37" (1/1) ... [2023-11-19 05:21:37,091 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eecc2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:37, skipping insertion in model container [2023-11-19 05:21:37,092 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:21:37" (1/1) ... [2023-11-19 05:21:37,207 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:21:38,527 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690ba64a-afcd-401b-a1d8-d9d0143ca090/sv-benchmarks/c/ldv-commit-tester/m0_sound-core-oss-snd-mixer-oss-ko--143_7a--506218e.i[176586,176599] [2023-11-19 05:21:38,576 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:21:38,615 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:21:38,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsf %1,%0": "=r" (word): "r" (~ word)); [2784] [2023-11-19 05:21:38,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" ((module->refptr)->incs)); [3206] [2023-11-19 05:21:38,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" ((module->refptr)->incs)); [3209] [2023-11-19 05:21:38,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" ((module->refptr)->incs): "qi" (1U)); [3211] [2023-11-19 05:21:38,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" ((module->refptr)->incs)); [3216] [2023-11-19 05:21:38,758 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" ((module->refptr)->incs)); [3219] [2023-11-19 05:21:38,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" ((module->refptr)->incs): "ri" (1U)); [3221] [2023-11-19 05:21:38,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" ((module->refptr)->incs)); [3226] [2023-11-19 05:21:38,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" ((module->refptr)->incs)); [3229] [2023-11-19 05:21:38,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" ((module->refptr)->incs): "ri" (1U)); [3231] [2023-11-19 05:21:38,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" ((module->refptr)->incs)); [3236] [2023-11-19 05:21:38,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" ((module->refptr)->incs)); [3239] [2023-11-19 05:21:38,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" ((module->refptr)->incs): "re" (1U)); [3241] [2023-11-19 05:21:38,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" ((module->refptr)->incs)); [3254] [2023-11-19 05:21:38,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" ((module->refptr)->incs)); [3257] [2023-11-19 05:21:38,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" ((module->refptr)->incs): "qi" (1U)); [3259] [2023-11-19 05:21:38,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" ((module->refptr)->incs)); [3264] [2023-11-19 05:21:38,764 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" ((module->refptr)->incs)); [3267] [2023-11-19 05:21:38,764 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" ((module->refptr)->incs): "ri" (1U)); [3269] [2023-11-19 05:21:38,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" ((module->refptr)->incs)); [3274] [2023-11-19 05:21:38,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" ((module->refptr)->incs)); [3277] [2023-11-19 05:21:38,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" ((module->refptr)->incs): "ri" (1U)); [3279] [2023-11-19 05:21:38,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" ((module->refptr)->incs)); [3284] [2023-11-19 05:21:38,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" ((module->refptr)->incs)); [3287] [2023-11-19 05:21:38,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" ((module->refptr)->incs): "re" (1U)); [3289] [2023-11-19 05:21:38,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" ((module->refptr)->incs)); [3302] [2023-11-19 05:21:38,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" ((module->refptr)->incs)); [3305] [2023-11-19 05:21:38,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" ((module->refptr)->incs): "qi" (1U)); [3307] [2023-11-19 05:21:38,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" ((module->refptr)->incs)); [3312] [2023-11-19 05:21:38,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" ((module->refptr)->incs)); [3315] [2023-11-19 05:21:38,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" ((module->refptr)->incs): "ri" (1U)); [3317] [2023-11-19 05:21:38,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" ((module->refptr)->incs)); [3322] [2023-11-19 05:21:38,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" ((module->refptr)->incs)); [3325] [2023-11-19 05:21:38,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" ((module->refptr)->incs): "ri" (1U)); [3327] [2023-11-19 05:21:38,777 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" ((module->refptr)->incs)); [3332] [2023-11-19 05:21:38,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" ((module->refptr)->incs)); [3335] [2023-11-19 05:21:38,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" ((module->refptr)->incs): "re" (1U)); [3337] [2023-11-19 05:21:38,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" ((module->refptr)->incs)); [3350] [2023-11-19 05:21:38,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" ((module->refptr)->incs)); [3353] [2023-11-19 05:21:38,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" ((module->refptr)->incs): "qi" (1U)); [3355] [2023-11-19 05:21:38,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" ((module->refptr)->incs)); [3360] [2023-11-19 05:21:38,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" ((module->refptr)->incs)); [3363] [2023-11-19 05:21:38,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" ((module->refptr)->incs): "ri" (1U)); [3365] [2023-11-19 05:21:38,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" ((module->refptr)->incs)); [3370] [2023-11-19 05:21:38,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" ((module->refptr)->incs)); [3373] [2023-11-19 05:21:38,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" ((module->refptr)->incs): "ri" (1U)); [3375] [2023-11-19 05:21:38,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" ((module->refptr)->incs)); [3380] [2023-11-19 05:21:38,790 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" ((module->refptr)->incs)); [3383] [2023-11-19 05:21:38,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" ((module->refptr)->incs): "re" (1U)); [3385] [2023-11-19 05:21:38,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [3978] [2023-11-19 05:21:38,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [3981] [2023-11-19 05:21:38,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [3984] [2023-11-19 05:21:38,895 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [3987] [2023-11-19 05:21:38,896 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [3990] [2023-11-19 05:21:38,897 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [4008] [2023-11-19 05:21:38,897 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [4011] [2023-11-19 05:21:38,897 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [4014] [2023-11-19 05:21:38,898 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [4017] [2023-11-19 05:21:38,898 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [4020] [2023-11-19 05:21:38,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [4030-4031] [2023-11-19 05:21:38,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [4034-4035] [2023-11-19 05:21:38,901 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [4038-4039] [2023-11-19 05:21:38,901 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [4042-4043] [2023-11-19 05:21:38,902 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [4046-4047] [2023-11-19 05:21:38,903 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [4057-4058] [2023-11-19 05:21:38,903 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [4061-4062] [2023-11-19 05:21:38,903 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [4065-4066] [2023-11-19 05:21:38,904 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [4069-4070] [2023-11-19 05:21:38,904 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [4073-4074] [2023-11-19 05:21:38,905 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" (p): "ebx"); [4089-4090] [2023-11-19 05:21:38,905 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" (p): "ebx"); [4093-4094] [2023-11-19 05:21:38,905 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" (p): "ebx"); [4097-4098] [2023-11-19 05:21:38,906 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" (p): "ebx"); [4101-4102] [2023-11-19 05:21:38,906 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" (p): "ebx"); [4105-4106] [2023-11-19 05:21:38,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___3): "0" (__pu_val___3), "c" (p): "ebx"); [4121-4122] [2023-11-19 05:21:38,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___3): "0" (__pu_val___3), "c" (p): "ebx"); [4125-4126] [2023-11-19 05:21:38,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___3): "0" (__pu_val___3), "c" (p): "ebx"); [4129-4130] [2023-11-19 05:21:38,909 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___3): "0" (__pu_val___3), "c" (p): "ebx"); [4133-4134] [2023-11-19 05:21:38,910 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___3): "0" (__pu_val___3), "c" (p): "ebx"); [4137-4138] [2023-11-19 05:21:38,911 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___4): "0" (__pu_val___4), "c" (p): "ebx"); [4153-4154] [2023-11-19 05:21:38,911 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___4): "0" (__pu_val___4), "c" (p): "ebx"); [4157-4158] [2023-11-19 05:21:38,912 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___4): "0" (__pu_val___4), "c" (p): "ebx"); [4161-4162] [2023-11-19 05:21:38,912 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___4): "0" (__pu_val___4), "c" (p): "ebx"); [4165-4166] [2023-11-19 05:21:38,912 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___4): "0" (__pu_val___4), "c" (p): "ebx"); [4169-4170] [2023-11-19 05:21:38,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___5): "0" (__pu_val___5), "c" (p): "ebx"); [4185-4186] [2023-11-19 05:21:38,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___5): "0" (__pu_val___5), "c" (p): "ebx"); [4189-4190] [2023-11-19 05:21:38,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___5): "0" (__pu_val___5), "c" (p): "ebx"); [4193-4194] [2023-11-19 05:21:38,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___5): "0" (__pu_val___5), "c" (p): "ebx"); [4197-4198] [2023-11-19 05:21:38,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___5): "0" (__pu_val___5), "c" (p): "ebx"); [4201-4202] [2023-11-19 05:21:38,915 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___6): "0" (__pu_val___6), "c" (p): "ebx"); [4217-4218] [2023-11-19 05:21:38,916 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___6): "0" (__pu_val___6), "c" (p): "ebx"); [4221-4222] [2023-11-19 05:21:38,916 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___6): "0" (__pu_val___6), "c" (p): "ebx"); [4225-4226] [2023-11-19 05:21:38,916 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___6): "0" (__pu_val___6), "c" (p): "ebx"); [4229-4230] [2023-11-19 05:21:38,917 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___6): "0" (__pu_val___6), "c" (p): "ebx"); [4233-4234] [2023-11-19 05:21:38,917 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [4246] [2023-11-19 05:21:38,918 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [4249] [2023-11-19 05:21:38,918 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [4252] [2023-11-19 05:21:38,918 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [4255] [2023-11-19 05:21:38,919 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [4258] [2023-11-19 05:21:38,920 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___7): "0" (__pu_val___7), "c" (p): "ebx"); [4276-4277] [2023-11-19 05:21:38,921 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___7): "0" (__pu_val___7), "c" (p): "ebx"); [4280-4281] [2023-11-19 05:21:38,921 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___7): "0" (__pu_val___7), "c" (p): "ebx"); [4284-4285] [2023-11-19 05:21:38,923 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___7): "0" (__pu_val___7), "c" (p): "ebx"); [4288-4289] [2023-11-19 05:21:38,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___7): "0" (__pu_val___7), "c" (p): "ebx"); [4292-4293] [2023-11-19 05:21:38,927 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___8): "0" (__pu_val___8), "c" (p): "ebx"); [4309-4310] [2023-11-19 05:21:38,927 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___8): "0" (__pu_val___8), "c" (p): "ebx"); [4313-4314] [2023-11-19 05:21:38,928 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___8): "0" (__pu_val___8), "c" (p): "ebx"); [4317-4318] [2023-11-19 05:21:38,929 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___8): "0" (__pu_val___8), "c" (p): "ebx"); [4321-4322] [2023-11-19 05:21:38,929 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___8): "0" (__pu_val___8), "c" (p): "ebx"); [4325-4326] [2023-11-19 05:21:39,102 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690ba64a-afcd-401b-a1d8-d9d0143ca090/sv-benchmarks/c/ldv-commit-tester/m0_sound-core-oss-snd-mixer-oss-ko--143_7a--506218e.i[176586,176599] [2023-11-19 05:21:39,118 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:21:39,176 WARN L675 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:21:39,176 WARN L675 CHandler]: The function kmem_cache_alloc_notrace is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:21:39,177 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:21:39,177 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:21:39,184 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:21:39,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:39 WrapperNode [2023-11-19 05:21:39,185 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:21:39,186 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:21:39,187 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:21:39,187 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:21:39,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:39" (1/1) ... [2023-11-19 05:21:39,284 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:39" (1/1) ... [2023-11-19 05:21:39,483 INFO L138 Inliner]: procedures = 186, calls = 1575, calls flagged for inlining = 91, calls inlined = 88, statements flattened = 4670 [2023-11-19 05:21:39,484 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:21:39,485 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:21:39,485 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:21:39,485 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:21:39,494 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:39" (1/1) ... [2023-11-19 05:21:39,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:39" (1/1) ... [2023-11-19 05:21:39,534 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:39" (1/1) ... [2023-11-19 05:21:39,535 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:39" (1/1) ... [2023-11-19 05:21:39,634 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:39" (1/1) ... [2023-11-19 05:21:39,654 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:39" (1/1) ... [2023-11-19 05:21:39,671 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:39" (1/1) ... [2023-11-19 05:21:39,686 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:39" (1/1) ... [2023-11-19 05:21:39,713 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:21:39,714 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:21:39,714 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:21:39,715 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:21:39,715 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:39" (1/1) ... [2023-11-19 05:21:39,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:21:39,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690ba64a-afcd-401b-a1d8-d9d0143ca090/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:21:39,743 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690ba64a-afcd-401b-a1d8-d9d0143ca090/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:21:39,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690ba64a-afcd-401b-a1d8-d9d0143ca090/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:21:39,789 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_get_volume1_sw [2023-11-19 05:21:39,790 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_get_volume1_sw [2023-11-19 05:21:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_file_remove [2023-11-19 05:21:39,790 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_file_remove [2023-11-19 05:21:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 05:21:39,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-19 05:21:39,791 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-19 05:21:39,792 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_get_recsrc2 [2023-11-19 05:21:39,792 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_get_recsrc2 [2023-11-19 05:21:39,792 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ctl_find_numid [2023-11-19 05:21:39,792 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ctl_find_numid [2023-11-19 05:21:39,792 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_conv [2023-11-19 05:21:39,793 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_conv [2023-11-19 05:21:39,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:21:39,793 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-19 05:21:39,793 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-19 05:21:39,793 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_build_input [2023-11-19 05:21:39,793 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_build_input [2023-11-19 05:21:39,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:21:39,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:21:39,794 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-11-19 05:21:39,794 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 05:21:39,794 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 05:21:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_test_id [2023-11-19 05:21:39,795 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_test_id [2023-11-19 05:21:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:21:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-19 05:21:39,795 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-19 05:21:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-19 05:21:39,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-19 05:21:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 05:21:39,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 05:21:39,797 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_get_volume1_vol [2023-11-19 05:21:39,797 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_get_volume1_vol [2023-11-19 05:21:39,797 INFO L130 BoogieDeclarations]: Found specification of procedure snd_info_free_entry [2023-11-19 05:21:39,798 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_info_free_entry [2023-11-19 05:21:39,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:21:39,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:21:39,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 05:21:39,802 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 05:21:39,802 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_release [2023-11-19 05:21:39,803 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_release [2023-11-19 05:21:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:21:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_conv2 [2023-11-19 05:21:39,804 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_conv2 [2023-11-19 05:21:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_conv1 [2023-11-19 05:21:39,808 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_conv1 [2023-11-19 05:21:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2023-11-19 05:21:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2023-11-19 05:21:39,808 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2023-11-19 05:21:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:21:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2023-11-19 05:21:39,809 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2023-11-19 05:21:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-19 05:21:39,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-19 05:21:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:21:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:21:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 05:21:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 05:21:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure mixer_slot_clear [2023-11-19 05:21:39,810 INFO L138 BoogieDeclarations]: Found implementation of procedure mixer_slot_clear [2023-11-19 05:21:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ctl_notify [2023-11-19 05:21:39,810 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ctl_notify [2023-11-19 05:21:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 05:21:39,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 05:21:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_ioctl1 [2023-11-19 05:21:39,811 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_ioctl1 [2023-11-19 05:21:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2023-11-19 05:21:39,811 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2023-11-19 05:21:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_down_read_controls_rwsem_of_snd_card [2023-11-19 05:21:39,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_down_read_controls_rwsem_of_snd_card [2023-11-19 05:21:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:21:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2023-11-19 05:21:39,812 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2023-11-19 05:21:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 05:21:39,812 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 05:21:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_put_volume1_sw [2023-11-19 05:21:39,812 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_put_volume1_sw [2023-11-19 05:21:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_up_read_controls_rwsem_of_snd_card [2023-11-19 05:21:39,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_up_read_controls_rwsem_of_snd_card [2023-11-19 05:21:39,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:21:39,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:21:39,813 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_build_test [2023-11-19 05:21:39,813 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_build_test [2023-11-19 05:21:39,813 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2023-11-19 05:21:39,813 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2023-11-19 05:21:39,813 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-19 05:21:39,814 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-19 05:21:39,814 INFO L130 BoogieDeclarations]: Found specification of procedure snd_oss_info_register [2023-11-19 05:21:39,814 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_oss_info_register [2023-11-19 05:21:39,814 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_put_volume1_vol [2023-11-19 05:21:39,814 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_put_volume1_vol [2023-11-19 05:21:39,814 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_notify_handler [2023-11-19 05:21:39,814 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_notify_handler [2023-11-19 05:21:39,815 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 05:21:39,815 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 05:21:39,815 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 05:21:39,815 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 05:21:39,815 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 05:21:39,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 05:21:39,815 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2023-11-19 05:21:39,815 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2023-11-19 05:21:39,816 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2023-11-19 05:21:39,816 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2023-11-19 05:21:39,816 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_open [2023-11-19 05:21:39,816 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_open [2023-11-19 05:21:39,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:21:39,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-11-19 05:21:39,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-11-19 05:21:39,817 INFO L130 BoogieDeclarations]: Found specification of procedure __snd_printk [2023-11-19 05:21:39,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __snd_printk [2023-11-19 05:21:39,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:21:39,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:21:40,496 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:21:40,502 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:21:53,113 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:21:55,349 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:21:55,349 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:21:55,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:21:55 BoogieIcfgContainer [2023-11-19 05:21:55,366 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:21:55,370 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:21:55,371 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:21:55,374 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:21:55,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:21:37" (1/3) ... [2023-11-19 05:21:55,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c2f882c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:21:55, skipping insertion in model container [2023-11-19 05:21:55,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:39" (2/3) ... [2023-11-19 05:21:55,377 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c2f882c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:21:55, skipping insertion in model container [2023-11-19 05:21:55,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:21:55" (3/3) ... [2023-11-19 05:21:55,378 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_sound-core-oss-snd-mixer-oss-ko--143_7a--506218e.i [2023-11-19 05:21:55,399 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:21:55,399 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:21:55,492 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:21:55,500 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@41369c65, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:21:55,500 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:21:55,511 INFO L276 IsEmpty]: Start isEmpty. Operand has 858 states, 548 states have (on average 1.3941605839416058) internal successors, (764), 569 states have internal predecessors, (764), 260 states have call successors, (260), 48 states have call predecessors, (260), 48 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) [2023-11-19 05:21:55,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 05:21:55,527 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:21:55,527 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:21:55,528 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:21:55,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:21:55,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1543101054, now seen corresponding path program 1 times [2023-11-19 05:21:55,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:21:55,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707568519] [2023-11-19 05:21:55,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:21:55,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:21:55,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:21:56,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:21:56,184 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:21:56,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707568519] [2023-11-19 05:21:56,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707568519] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:21:56,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:21:56,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:21:56,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655072133] [2023-11-19 05:21:56,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:21:56,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:21:56,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:21:56,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:21:56,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:21:56,247 INFO L87 Difference]: Start difference. First operand has 858 states, 548 states have (on average 1.3941605839416058) internal successors, (764), 569 states have internal predecessors, (764), 260 states have call successors, (260), 48 states have call predecessors, (260), 48 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 05:21:58,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:21:58,580 INFO L93 Difference]: Finished difference Result 1689 states and 2645 transitions. [2023-11-19 05:21:58,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:21:58,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2023-11-19 05:21:58,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:21:58,608 INFO L225 Difference]: With dead ends: 1689 [2023-11-19 05:21:58,608 INFO L226 Difference]: Without dead ends: 832 [2023-11-19 05:21:58,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:21:58,643 INFO L413 NwaCegarLoop]: 1083 mSDtfsCounter, 4 mSDsluCounter, 1082 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2165 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:21:58,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2165 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-19 05:21:58,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2023-11-19 05:21:58,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 828. [2023-11-19 05:21:58,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 828 states, 529 states have (on average 1.383742911153119) internal successors, (732), 546 states have internal predecessors, (732), 252 states have call successors, (252), 47 states have call predecessors, (252), 46 states have return successors, (249), 249 states have call predecessors, (249), 249 states have call successors, (249) [2023-11-19 05:21:58,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1233 transitions. [2023-11-19 05:21:58,794 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1233 transitions. Word has length 11 [2023-11-19 05:21:58,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:21:58,796 INFO L495 AbstractCegarLoop]: Abstraction has 828 states and 1233 transitions. [2023-11-19 05:21:58,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 05:21:58,797 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1233 transitions. [2023-11-19 05:21:58,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 05:21:58,798 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:21:58,798 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:21:58,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:21:58,799 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:21:58,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:21:58,799 INFO L85 PathProgramCache]: Analyzing trace with hash -998336320, now seen corresponding path program 1 times [2023-11-19 05:21:58,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:21:58,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064528017] [2023-11-19 05:21:58,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:21:58,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:21:58,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:21:59,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:21:59,132 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:21:59,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064528017] [2023-11-19 05:21:59,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064528017] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:21:59,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109972387] [2023-11-19 05:21:59,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:21:59,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:21:59,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690ba64a-afcd-401b-a1d8-d9d0143ca090/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:21:59,139 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690ba64a-afcd-401b-a1d8-d9d0143ca090/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:21:59,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_690ba64a-afcd-401b-a1d8-d9d0143ca090/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:21:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:21:59,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 1389 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:21:59,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:22:00,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:22:00,017 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:22:00,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:22:00,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [109972387] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:22:00,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1770751617] [2023-11-19 05:22:00,164 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2023-11-19 05:22:00,165 INFO L166 IcfgInterpreter]: Building call graph [2023-11-19 05:22:00,169 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-19 05:22:00,174 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-19 05:22:00,176 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs