./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/main1_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/main1_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 cc13b64dc3b62a449f10c29409328e30b2dffcec867261e9f37e342e1eac6c4c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 15:11:56,623 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 15:11:56,688 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-11 15:11:56,692 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 15:11:56,693 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 15:11:56,721 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 15:11:56,722 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 15:11:56,723 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 15:11:56,723 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 15:11:56,724 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 15:11:56,724 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 15:11:56,724 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 15:11:56,725 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 15:11:56,725 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 15:11:56,726 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 15:11:56,726 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 15:11:56,727 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 15:11:56,727 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 15:11:56,727 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 15:11:56,728 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 15:11:56,728 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 15:11:56,729 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 15:11:56,729 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 15:11:56,729 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 15:11:56,730 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 15:11:56,730 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 15:11:56,730 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 15:11:56,731 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 15:11:56,731 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 15:11:56,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 15:11:56,732 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 15:11:56,732 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 15:11:56,733 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 15:11:56,733 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 15:11:56,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 15:11:56,734 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 15:11:56,734 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 15:11:56,734 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 15:11:56,735 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 15:11:56,735 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc13b64dc3b62a449f10c29409328e30b2dffcec867261e9f37e342e1eac6c4c [2024-10-11 15:11:57,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 15:11:57,051 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 15:11:57,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 15:11:57,057 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 15:11:57,057 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 15:11:57,059 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/main1_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i [2024-10-11 15:11:58,510 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 15:11:59,079 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 15:11:59,080 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/main1_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i [2024-10-11 15:11:59,132 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/832116fca/63155ce526614960accd57145de8494e/FLAGaf48ff6c7 [2024-10-11 15:11:59,149 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/832116fca/63155ce526614960accd57145de8494e [2024-10-11 15:11:59,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 15:11:59,154 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 15:11:59,156 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 15:11:59,156 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 15:11:59,162 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 15:11:59,162 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:11:59" (1/1) ... [2024-10-11 15:11:59,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19bf1fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:11:59, skipping insertion in model container [2024-10-11 15:11:59,164 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:11:59" (1/1) ... [2024-10-11 15:11:59,333 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 15:12:02,262 WARN L248 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-commit-tester/main1_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i[340870,340883] [2024-10-11 15:12:02,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 15:12:02,501 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 15:12:02,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5252] [2024-10-11 15:12:02,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5255] [2024-10-11 15:12:02,746 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5258] [2024-10-11 15:12:02,746 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5261] [2024-10-11 15:12:02,902 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [6742] [2024-10-11 15:12:02,903 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [6747] [2024-10-11 15:12:02,903 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [6752] [2024-10-11 15:12:02,904 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [6757] [2024-10-11 15:12:02,916 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [6832] [2024-10-11 15:12:02,917 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [6837] [2024-10-11 15:12:02,917 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [6842] [2024-10-11 15:12:02,917 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [6847] [2024-10-11 15:12:02,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [7235] [2024-10-11 15:12:02,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [7240] [2024-10-11 15:12:02,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [7245] [2024-10-11 15:12:02,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [7250] [2024-10-11 15:12:03,086 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; incl %0": "+m" (v->counter)); [8770] [2024-10-11 15:12:03,087 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [8778-8779] [2024-10-11 15:12:03,087 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; xaddl %0, %1": "+r" (i), "+m" (v->counter): : "memory"); [8788-8789] [2024-10-11 15:12:03,088 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [8857] [2024-10-11 15:12:03,088 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [8862] [2024-10-11 15:12:03,089 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [8867] [2024-10-11 15:12:03,089 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [8872] [2024-10-11 15:12:03,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [9573] [2024-10-11 15:12:03,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [9578] [2024-10-11 15:12:03,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [9583] [2024-10-11 15:12:03,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [9588] [2024-10-11 15:12:03,150 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [9936] [2024-10-11 15:12:03,151 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [9941] [2024-10-11 15:12:03,151 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [9946] [2024-10-11 15:12:03,151 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [9951] [2024-10-11 15:12:03,156 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10145] [2024-10-11 15:12:03,156 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10150] [2024-10-11 15:12:03,156 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10155] [2024-10-11 15:12:03,157 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10160] [2024-10-11 15:12:03,158 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [10239] [2024-10-11 15:12:03,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [10244] [2024-10-11 15:12:03,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [10249] [2024-10-11 15:12:03,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [10254] [2024-10-11 15:12:03,198 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)pd->device_list.next) [11346] [2024-10-11 15:12:03,218 WARN L248 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-commit-tester/main1_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i[340870,340883] [2024-10-11 15:12:03,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 15:12:03,405 INFO L204 MainTranslator]: Completed translation [2024-10-11 15:12:03,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:03 WrapperNode [2024-10-11 15:12:03,406 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 15:12:03,407 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 15:12:03,408 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 15:12:03,408 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 15:12:03,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:03" (1/1) ... [2024-10-11 15:12:03,575 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:03" (1/1) ... [2024-10-11 15:12:03,713 INFO L138 Inliner]: procedures = 460, calls = 4774, calls flagged for inlining = 236, calls inlined = 15, statements flattened = 2265 [2024-10-11 15:12:03,715 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 15:12:03,716 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 15:12:03,716 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 15:12:03,716 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 15:12:03,728 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:03" (1/1) ... [2024-10-11 15:12:03,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:03" (1/1) ... [2024-10-11 15:12:03,750 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:03" (1/1) ... [2024-10-11 15:12:03,872 INFO L175 MemorySlicer]: Split 1640 memory accesses to 28 slices as follows [8, 8, 252, 15, 8, 76, 6, 4, 237, 26, 13, 317, 6, 326, 8, 2, 3, 5, 237, 2, 3, 39, 1, 5, 6, 15, 6, 6]. 20 percent of accesses are in the largest equivalence class. The 1483 initializations are split as follows [8, 8, 252, 15, 8, 0, 6, 4, 237, 13, 13, 250, 6, 326, 8, 2, 3, 5, 237, 2, 3, 39, 0, 5, 6, 15, 6, 6]. The 111 writes are split as follows [0, 0, 0, 0, 0, 76, 0, 0, 0, 0, 0, 35, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. [2024-10-11 15:12:03,872 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:03" (1/1) ... [2024-10-11 15:12:03,873 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:03" (1/1) ... [2024-10-11 15:12:03,934 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:03" (1/1) ... [2024-10-11 15:12:03,944 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:03" (1/1) ... [2024-10-11 15:12:03,982 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:03" (1/1) ... [2024-10-11 15:12:03,996 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:03" (1/1) ... [2024-10-11 15:12:04,022 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 15:12:04,023 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 15:12:04,024 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 15:12:04,024 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 15:12:04,025 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:03" (1/1) ... [2024-10-11 15:12:04,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 15:12:04,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:12:04,058 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 15:12:04,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 15:12:04,112 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2024-10-11 15:12:04,112 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2024-10-11 15:12:04,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-11 15:12:04,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-11 15:12:04,112 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2024-10-11 15:12:04,113 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2024-10-11 15:12:04,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-10-11 15:12:04,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-10-11 15:12:04,113 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pd_pcm_close [2024-10-11 15:12:04,113 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pd_pcm_close [2024-10-11 15:12:04,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-11 15:12:04,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-11 15:12:04,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-11 15:12:04,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-11 15:12:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-11 15:12:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-11 15:12:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-11 15:12:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-11 15:12:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-11 15:12:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-11 15:12:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-11 15:12:04,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-11 15:12:04,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-10-11 15:12:04,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-10-11 15:12:04,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-10-11 15:12:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-10-11 15:12:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-10-11 15:12:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-10-11 15:12:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-10-11 15:12:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-10-11 15:12:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-10-11 15:12:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-10-11 15:12:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-10-11 15:12:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-10-11 15:12:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-10-11 15:12:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2024-10-11 15:12:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2024-10-11 15:12:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2024-10-11 15:12:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2024-10-11 15:12:04,118 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2024-10-11 15:12:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2024-10-11 15:12:04,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2024-10-11 15:12:04,119 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2024-10-11 15:12:04,120 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2024-10-11 15:12:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 15:12:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 15:12:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 15:12:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 15:12:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 15:12:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 15:12:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 15:12:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-11 15:12:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-11 15:12:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-11 15:12:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-11 15:12:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-11 15:12:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-11 15:12:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-11 15:12:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-11 15:12:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-11 15:12:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-11 15:12:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-11 15:12:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-10-11 15:12:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-10-11 15:12:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-10-11 15:12:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-10-11 15:12:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-10-11 15:12:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-10-11 15:12:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-10-11 15:12:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-10-11 15:12:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-10-11 15:12:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2024-10-11 15:12:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-10-11 15:12:04,122 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-10-11 15:12:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure fire_audio_urb [2024-10-11 15:12:04,124 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_audio_urb [2024-10-11 15:12:04,124 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2024-10-11 15:12:04,124 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2024-10-11 15:12:04,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 15:12:04,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 15:12:04,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 15:12:04,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 15:12:04,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 15:12:04,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-11 15:12:04,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-11 15:12:04,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-11 15:12:04,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-11 15:12:04,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-11 15:12:04,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-11 15:12:04,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-11 15:12:04,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-11 15:12:04,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-11 15:12:04,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-11 15:12:04,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-11 15:12:04,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-11 15:12:04,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-11 15:12:04,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-11 15:12:04,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-11 15:12:04,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-10-11 15:12:04,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-10-11 15:12:04,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-10-11 15:12:04,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-10-11 15:12:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-10-11 15:12:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-10-11 15:12:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-10-11 15:12:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-10-11 15:12:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-10-11 15:12:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2024-10-11 15:12:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pd_capture_open [2024-10-11 15:12:04,128 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pd_capture_open [2024-10-11 15:12:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-10-11 15:12:04,128 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-10-11 15:12:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bulk_urbs_generic [2024-10-11 15:12:04,128 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bulk_urbs_generic [2024-10-11 15:12:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 15:12:04,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 15:12:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-11 15:12:04,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-11 15:12:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 15:12:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 15:12:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 15:12:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-11 15:12:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-11 15:12:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-11 15:12:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-11 15:12:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-11 15:12:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-11 15:12:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-11 15:12:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-11 15:12:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-11 15:12:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-11 15:12:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-11 15:12:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-11 15:12:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-11 15:12:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-11 15:12:04,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-11 15:12:04,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-10-11 15:12:04,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-10-11 15:12:04,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-10-11 15:12:04,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-10-11 15:12:04,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-10-11 15:12:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-10-11 15:12:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-10-11 15:12:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-10-11 15:12:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-10-11 15:12:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2024-10-11 15:12:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_urb_generic [2024-10-11 15:12:04,133 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_urb_generic [2024-10-11 15:12:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-11 15:12:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-11 15:12:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-11 15:12:04,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-11 15:12:04,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-11 15:12:04,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-11 15:12:04,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-11 15:12:04,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-11 15:12:04,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-11 15:12:04,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-11 15:12:04,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-11 15:12:04,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-11 15:12:04,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-11 15:12:04,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-11 15:12:04,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-11 15:12:04,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-11 15:12:04,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-11 15:12:04,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-11 15:12:04,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-10-11 15:12:04,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-10-11 15:12:04,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-10-11 15:12:04,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-10-11 15:12:04,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-10-11 15:12:04,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-10-11 15:12:04,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-10-11 15:12:04,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2024-10-11 15:12:04,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2024-10-11 15:12:04,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2024-10-11 15:12:04,136 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-11 15:12:04,136 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-11 15:12:04,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-10-11 15:12:04,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-10-11 15:12:04,136 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2024-10-11 15:12:04,136 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2024-10-11 15:12:04,136 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-10-11 15:12:04,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-10-11 15:12:04,137 INFO L130 BoogieDeclarations]: Found specification of procedure audio_buf_free [2024-10-11 15:12:04,137 INFO L138 BoogieDeclarations]: Found implementation of procedure audio_buf_free [2024-10-11 15:12:04,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 15:12:04,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 15:12:04,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 15:12:04,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 15:12:04,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 15:12:04,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 15:12:04,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 15:12:04,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-11 15:12:04,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-11 15:12:04,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-11 15:12:04,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-11 15:12:04,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-11 15:12:04,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-11 15:12:04,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-11 15:12:04,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-11 15:12:04,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-11 15:12:04,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-11 15:12:04,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-11 15:12:04,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-10-11 15:12:04,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-10-11 15:12:04,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-10-11 15:12:04,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-10-11 15:12:04,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-10-11 15:12:04,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-10-11 15:12:04,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-10-11 15:12:04,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-10-11 15:12:04,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-10-11 15:12:04,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2024-10-11 15:12:04,141 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pd_hw_capture_free [2024-10-11 15:12:04,141 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pd_hw_capture_free [2024-10-11 15:12:04,141 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2024-10-11 15:12:04,141 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2024-10-11 15:12:04,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 15:12:04,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 15:12:04,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 15:12:04,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 15:12:04,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 15:12:04,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 15:12:04,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 15:12:04,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-11 15:12:04,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-11 15:12:04,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-11 15:12:04,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-11 15:12:04,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-11 15:12:04,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-11 15:12:04,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-11 15:12:04,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-11 15:12:04,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-11 15:12:04,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-11 15:12:04,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-11 15:12:04,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-10-11 15:12:04,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-10-11 15:12:04,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-10-11 15:12:04,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-10-11 15:12:04,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-10-11 15:12:04,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-10-11 15:12:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-10-11 15:12:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-10-11 15:12:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-10-11 15:12:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2024-10-11 15:12:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pd_prepare [2024-10-11 15:12:04,147 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pd_prepare [2024-10-11 15:12:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-10-11 15:12:04,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-10-11 15:12:04,739 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 15:12:04,741 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 15:12:16,213 INFO L? ?]: Removed 257 outVars from TransFormulas that were not future-live. [2024-10-11 15:12:16,214 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 15:12:16,468 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 15:12:16,470 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 15:12:16,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:12:16 BoogieIcfgContainer [2024-10-11 15:12:16,471 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 15:12:16,473 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 15:12:16,473 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 15:12:16,476 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 15:12:16,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 03:11:59" (1/3) ... [2024-10-11 15:12:16,477 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a7d672d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:12:16, skipping insertion in model container [2024-10-11 15:12:16,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:12:03" (2/3) ... [2024-10-11 15:12:16,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a7d672d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:12:16, skipping insertion in model container [2024-10-11 15:12:16,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:12:16" (3/3) ... [2024-10-11 15:12:16,480 INFO L112 eAbstractionObserver]: Analyzing ICFG main1_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa.i [2024-10-11 15:12:16,496 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 15:12:16,496 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 15:12:16,574 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 15:12:16,582 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;@61eb5bac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 15:12:16,583 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 15:12:16,588 INFO L276 IsEmpty]: Start isEmpty. Operand has 204 states, 133 states have (on average 1.406015037593985) internal successors, (187), 140 states have internal predecessors, (187), 44 states have call successors, (44), 25 states have call predecessors, (44), 25 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-11 15:12:16,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-11 15:12:16,596 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:12:16,597 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:12:16,597 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:12:16,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:12:16,604 INFO L85 PathProgramCache]: Analyzing trace with hash 989476957, now seen corresponding path program 1 times [2024-10-11 15:12:16,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:12:16,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309596544] [2024-10-11 15:12:16,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:12:16,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:12:19,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:12:19,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:12:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:12:19,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 15:12:19,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:12:19,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309596544] [2024-10-11 15:12:19,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309596544] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:12:19,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:12:19,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:12:19,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985711790] [2024-10-11 15:12:19,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:12:19,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:12:19,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:12:19,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:12:19,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:12:19,953 INFO L87 Difference]: Start difference. First operand has 204 states, 133 states have (on average 1.406015037593985) internal successors, (187), 140 states have internal predecessors, (187), 44 states have call successors, (44), 25 states have call predecessors, (44), 25 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 15:12:24,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 15:12:28,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 15:12:32,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 15:12:36,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 15:12:38,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:12:38,033 INFO L93 Difference]: Finished difference Result 402 states and 553 transitions. [2024-10-11 15:12:38,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:12:38,035 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2024-10-11 15:12:38,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:12:38,046 INFO L225 Difference]: With dead ends: 402 [2024-10-11 15:12:38,046 INFO L226 Difference]: Without dead ends: 198 [2024-10-11 15:12:38,050 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:12:38,053 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 308 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 106 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2024-10-11 15:12:38,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 137 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 213 Invalid, 4 Unknown, 0 Unchecked, 17.8s Time] [2024-10-11 15:12:38,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-10-11 15:12:38,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2024-10-11 15:12:38,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 131 states have (on average 1.366412213740458) internal successors, (179), 135 states have internal predecessors, (179), 43 states have call successors, (43), 25 states have call predecessors, (43), 23 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-11 15:12:38,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 260 transitions. [2024-10-11 15:12:38,124 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 260 transitions. Word has length 10 [2024-10-11 15:12:38,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:12:38,125 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 260 transitions. [2024-10-11 15:12:38,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 15:12:38,125 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 260 transitions. [2024-10-11 15:12:38,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-11 15:12:38,126 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:12:38,126 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:12:38,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 15:12:38,126 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:12:38,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:12:38,127 INFO L85 PathProgramCache]: Analyzing trace with hash 608680899, now seen corresponding path program 1 times [2024-10-11 15:12:38,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:12:38,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368858353] [2024-10-11 15:12:38,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:12:38,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:12:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:12:40,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:12:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:12:40,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 15:12:40,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:12:40,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368858353] [2024-10-11 15:12:40,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368858353] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:12:40,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:12:40,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:12:40,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292209526] [2024-10-11 15:12:40,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:12:40,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:12:40,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:12:40,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:12:40,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:12:40,625 INFO L87 Difference]: Start difference. First operand 198 states and 260 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 15:12:44,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 15:12:48,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 15:12:52,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 15:12:54,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:12:54,532 INFO L93 Difference]: Finished difference Result 200 states and 261 transitions. [2024-10-11 15:12:54,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:12:54,532 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-10-11 15:12:54,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:12:54,535 INFO L225 Difference]: With dead ends: 200 [2024-10-11 15:12:54,535 INFO L226 Difference]: Without dead ends: 197 [2024-10-11 15:12:54,535 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:12:54,537 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 300 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 104 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2024-10-11 15:12:54,537 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 137 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 206 Invalid, 3 Unknown, 0 Unchecked, 13.7s Time] [2024-10-11 15:12:54,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-10-11 15:12:54,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2024-10-11 15:12:54,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 131 states have (on average 1.3587786259541985) internal successors, (178), 134 states have internal predecessors, (178), 42 states have call successors, (42), 25 states have call predecessors, (42), 23 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-11 15:12:54,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 258 transitions. [2024-10-11 15:12:54,566 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 258 transitions. Word has length 11 [2024-10-11 15:12:54,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:12:54,566 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 258 transitions. [2024-10-11 15:12:54,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 15:12:54,566 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 258 transitions. [2024-10-11 15:12:54,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-11 15:12:54,567 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:12:54,567 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:12:54,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 15:12:54,567 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:12:54,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:12:54,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1688909856, now seen corresponding path program 1 times [2024-10-11 15:12:54,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:12:54,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703375513] [2024-10-11 15:12:54,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:12:54,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:12:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:12:56,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:12:56,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:12:56,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 15:12:56,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:12:56,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703375513] [2024-10-11 15:12:56,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703375513] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:12:56,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:12:56,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:12:56,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152278030] [2024-10-11 15:12:56,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:12:56,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:12:56,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:12:56,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:12:56,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:12:56,885 INFO L87 Difference]: Start difference. First operand 197 states and 258 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 15:13:00,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 15:13:05,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 15:13:09,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 15:13:13,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 15:13:14,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:13:14,670 INFO L93 Difference]: Finished difference Result 199 states and 259 transitions. [2024-10-11 15:13:14,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:13:14,670 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-10-11 15:13:14,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:13:14,672 INFO L225 Difference]: With dead ends: 199 [2024-10-11 15:13:14,672 INFO L226 Difference]: Without dead ends: 196 [2024-10-11 15:13:14,673 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:13:14,674 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 297 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 102 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2024-10-11 15:13:14,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 137 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 203 Invalid, 4 Unknown, 0 Unchecked, 17.6s Time] [2024-10-11 15:13:14,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-10-11 15:13:14,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2024-10-11 15:13:14,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 131 states have (on average 1.3511450381679388) internal successors, (177), 133 states have internal predecessors, (177), 41 states have call successors, (41), 25 states have call predecessors, (41), 23 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-11 15:13:14,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 256 transitions. [2024-10-11 15:13:14,702 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 256 transitions. Word has length 12 [2024-10-11 15:13:14,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:13:14,702 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 256 transitions. [2024-10-11 15:13:14,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 15:13:14,702 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 256 transitions. [2024-10-11 15:13:14,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-11 15:13:14,703 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:13:14,703 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:13:14,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 15:13:14,703 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:13:14,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:13:14,704 INFO L85 PathProgramCache]: Analyzing trace with hash 816274022, now seen corresponding path program 1 times [2024-10-11 15:13:14,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:13:14,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377658137] [2024-10-11 15:13:14,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:13:14,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:13:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:13:16,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:13:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:13:16,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 15:13:16,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:13:16,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377658137] [2024-10-11 15:13:16,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377658137] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:13:16,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:13:16,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:13:16,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213266121] [2024-10-11 15:13:16,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:13:16,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:13:16,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:13:16,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:13:16,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:13:16,934 INFO L87 Difference]: Start difference. First operand 196 states and 256 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 15:13:21,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 15:13:25,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 15:13:29,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []