./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1 --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 81ccda978158997cc00607d5634d4a5acfa51e443d97bd262d7c70387bab80d3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-01 23:10:15,220 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-01 23:10:15,274 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-01 23:10:15,280 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-01 23:10:15,280 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-01 23:10:15,300 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-01 23:10:15,301 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-01 23:10:15,301 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-01 23:10:15,301 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-01 23:10:15,301 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-01 23:10:15,301 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-01 23:10:15,301 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-01 23:10:15,302 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-01 23:10:15,302 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-01 23:10:15,302 INFO L153 SettingsManager]: * Use SBE=true [2024-12-01 23:10:15,302 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-01 23:10:15,302 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-01 23:10:15,302 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-01 23:10:15,302 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-01 23:10:15,302 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-01 23:10:15,302 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-01 23:10:15,302 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-01 23:10:15,303 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-01 23:10:15,303 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-01 23:10:15,303 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-01 23:10:15,303 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-01 23:10:15,303 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:10:15,303 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:10:15,303 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:10:15,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:10:15,303 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-01 23:10:15,303 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:10:15,303 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:10:15,303 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:10:15,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:10:15,304 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-01 23:10:15,304 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-01 23:10:15,304 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-01 23:10:15,304 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-01 23:10:15,304 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-01 23:10:15,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-01 23:10:15,304 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-01 23:10:15,304 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-01 23:10:15,304 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-01 23:10:15,304 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-01 23:10:15,304 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1 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 -> 81ccda978158997cc00607d5634d4a5acfa51e443d97bd262d7c70387bab80d3 [2024-12-01 23:10:15,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-01 23:10:15,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-01 23:10:15,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-01 23:10:15,525 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-01 23:10:15,525 INFO L274 PluginConnector]: CDTParser initialized [2024-12-01 23:10:15,527 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i [2024-12-01 23:10:18,186 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/data/6011d6f16/cf6a8c3c0eae47268cca4fc16e0f8d44/FLAGd393dd8b9 [2024-12-01 23:10:18,658 INFO L384 CDTParser]: Found 1 translation units. [2024-12-01 23:10:18,659 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i [2024-12-01 23:10:18,692 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/data/6011d6f16/cf6a8c3c0eae47268cca4fc16e0f8d44/FLAGd393dd8b9 [2024-12-01 23:10:18,705 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/data/6011d6f16/cf6a8c3c0eae47268cca4fc16e0f8d44 [2024-12-01 23:10:18,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-01 23:10:18,708 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-01 23:10:18,709 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-01 23:10:18,709 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-01 23:10:18,713 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-01 23:10:18,714 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:10:18" (1/1) ... [2024-12-01 23:10:18,715 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a8b6e4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18, skipping insertion in model container [2024-12-01 23:10:18,715 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:10:18" (1/1) ... [2024-12-01 23:10:18,806 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-01 23:10:20,121 WARN L250 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_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i[298813,298826] [2024-12-01 23:10:20,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:10:20,205 INFO L200 MainTranslator]: Completed pre-run [2024-12-01 23:10:20,337 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6100] [2024-12-01 23:10:20,339 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6102] [2024-12-01 23:10:20,340 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6112] [2024-12-01 23:10:20,340 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [6119] [2024-12-01 23:10:20,345 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [6230] [2024-12-01 23:10:20,346 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [6233] [2024-12-01 23:10:20,346 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [6235] [2024-12-01 23:10:20,346 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [6240] [2024-12-01 23:10:20,346 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [6243] [2024-12-01 23:10:20,347 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [6245] [2024-12-01 23:10:20,347 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [6250] [2024-12-01 23:10:20,347 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [6253] [2024-12-01 23:10:20,347 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [6255] [2024-12-01 23:10:20,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [6260] [2024-12-01 23:10:20,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [6263] [2024-12-01 23:10:20,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [6265] [2024-12-01 23:10:20,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [6283] [2024-12-01 23:10:20,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [6286] [2024-12-01 23:10:20,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [6288] [2024-12-01 23:10:20,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [6293] [2024-12-01 23:10:20,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [6296] [2024-12-01 23:10:20,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [6298] [2024-12-01 23:10:20,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [6303] [2024-12-01 23:10:20,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [6306] [2024-12-01 23:10:20,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [6308] [2024-12-01 23:10:20,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [6313] [2024-12-01 23:10:20,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [6316] [2024-12-01 23:10:20,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [6318] [2024-12-01 23:10:20,354 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6371] [2024-12-01 23:10:20,354 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6378] [2024-12-01 23:10:20,357 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [6462] [2024-12-01 23:10:20,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [6470] [2024-12-01 23:10:20,558 WARN L250 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_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i[298813,298826] [2024-12-01 23:10:20,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:10:20,639 INFO L204 MainTranslator]: Completed translation [2024-12-01 23:10:20,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:20 WrapperNode [2024-12-01 23:10:20,640 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-01 23:10:20,641 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-01 23:10:20,641 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-01 23:10:20,641 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-01 23:10:20,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:20" (1/1) ... [2024-12-01 23:10:20,690 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:20" (1/1) ... [2024-12-01 23:10:20,860 INFO L138 Inliner]: procedures = 236, calls = 2109, calls flagged for inlining = 107, calls inlined = 104, statements flattened = 5081 [2024-12-01 23:10:20,861 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-01 23:10:20,861 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-01 23:10:20,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-01 23:10:20,861 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-01 23:10:20,868 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:20" (1/1) ... [2024-12-01 23:10:20,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:20" (1/1) ... [2024-12-01 23:10:20,890 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:20" (1/1) ... [2024-12-01 23:10:21,169 INFO L175 MemorySlicer]: Split 914 memory accesses to 30 slices as follows [4, 1, 1, 1, 1, 1, 8, 1, 8, 1, 43, 4, 1, 7, 1, 1, 8, 1, 2, 12, 13, 189, 6, 1, 3, 1, 3, 1, 589, 1]. 64 percent of accesses are in the largest equivalence class. The 59 initializations are split as follows [4, 1, 1, 1, 0, 1, 8, 1, 0, 1, 0, 4, 1, 7, 1, 1, 8, 1, 2, 0, 0, 0, 6, 1, 3, 1, 3, 1, 0, 1]. The 533 writes are split as follows [0, 0, 0, 0, 1, 0, 0, 0, 2, 0, 43, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 162, 0, 0, 0, 0, 0, 0, 317, 0]. [2024-12-01 23:10:21,169 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:20" (1/1) ... [2024-12-01 23:10:21,169 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:20" (1/1) ... [2024-12-01 23:10:21,319 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:20" (1/1) ... [2024-12-01 23:10:21,328 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:20" (1/1) ... [2024-12-01 23:10:21,353 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:20" (1/1) ... [2024-12-01 23:10:21,394 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:20" (1/1) ... [2024-12-01 23:10:21,424 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:20" (1/1) ... [2024-12-01 23:10:21,513 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-01 23:10:21,516 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-01 23:10:21,517 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-01 23:10:21,518 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-01 23:10:21,519 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:20" (1/1) ... [2024-12-01 23:10:21,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:10:21,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:10:21,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-01 23:10:21,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-01 23:10:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure ResetChip [2024-12-01 23:10:21,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ResetChip [2024-12-01 23:10:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_ioctl [2024-12-01 23:10:21,588 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_ioctl [2024-12-01 23:10:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-01 23:10:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-01 23:10:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-01 23:10:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-01 23:10:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-01 23:10:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-01 23:10:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-01 23:10:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-01 23:10:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-01 23:10:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-01 23:10:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-01 23:10:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-01 23:10:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-01 23:10:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-01 23:10:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-01 23:10:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-01 23:10:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-01 23:10:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-01 23:10:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-01 23:10:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-12-01 23:10:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-12-01 23:10:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-12-01 23:10:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2024-12-01 23:10:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2024-12-01 23:10:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#24 [2024-12-01 23:10:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#25 [2024-12-01 23:10:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#26 [2024-12-01 23:10:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#27 [2024-12-01 23:10:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#28 [2024-12-01 23:10:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#29 [2024-12-01 23:10:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-01 23:10:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-01 23:10:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-01 23:10:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-01 23:10:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-01 23:10:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-01 23:10:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-01 23:10:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-01 23:10:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-01 23:10:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-01 23:10:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-01 23:10:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-01 23:10:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-01 23:10:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-01 23:10:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-01 23:10:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-01 23:10:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-01 23:10:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-01 23:10:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-01 23:10:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-01 23:10:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-12-01 23:10:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-12-01 23:10:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-12-01 23:10:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-12-01 23:10:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-12-01 23:10:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2024-12-01 23:10:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2024-12-01 23:10:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#27 [2024-12-01 23:10:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#28 [2024-12-01 23:10:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#29 [2024-12-01 23:10:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-01 23:10:21,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-01 23:10:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure RxCurCount [2024-12-01 23:10:21,592 INFO L138 BoogieDeclarations]: Found implementation of procedure RxCurCount [2024-12-01 23:10:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-01 23:10:21,592 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-01 23:10:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_txqueue_empty [2024-12-01 23:10:21,592 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_txqueue_empty [2024-12-01 23:10:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure irda_setup_dma [2024-12-01 23:10:21,592 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_setup_dma [2024-12-01 23:10:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-12-01 23:10:21,593 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-12-01 23:10:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2024-12-01 23:10:21,593 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2024-12-01 23:10:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-12-01 23:10:21,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-12-01 23:10:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-01 23:10:21,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-01 23:10:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2024-12-01 23:10:21,593 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2024-12-01 23:10:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure Sdelay [2024-12-01 23:10:21,593 INFO L138 BoogieDeclarations]: Found implementation of procedure Sdelay [2024-12-01 23:10:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-12-01 23:10:21,593 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-12-01 23:10:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure CheckRegBit [2024-12-01 23:10:21,593 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckRegBit [2024-12-01 23:10:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-01 23:10:21,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-01 23:10:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure SetSIR [2024-12-01 23:10:21,594 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSIR [2024-12-01 23:10:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_speed [2024-12-01 23:10:21,594 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_speed [2024-12-01 23:10:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-01 23:10:21,594 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-01 23:10:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-12-01 23:10:21,594 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-12-01 23:10:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure SetMaxRxPacketSize [2024-12-01 23:10:21,594 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMaxRxPacketSize [2024-12-01 23:10:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2024-12-01 23:10:21,594 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2024-12-01 23:10:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure GetRecvByte [2024-12-01 23:10:21,594 INFO L138 BoogieDeclarations]: Found implementation of procedure GetRecvByte [2024-12-01 23:10:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-12-01 23:10:21,594 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-12-01 23:10:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-01 23:10:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-01 23:10:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-01 23:10:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-01 23:10:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-01 23:10:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-01 23:10:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-01 23:10:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-01 23:10:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-01 23:10:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-01 23:10:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-01 23:10:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-01 23:10:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-01 23:10:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-01 23:10:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-01 23:10:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-01 23:10:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-01 23:10:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-01 23:10:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-01 23:10:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-01 23:10:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-01 23:10:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-12-01 23:10:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-12-01 23:10:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-12-01 23:10:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-12-01 23:10:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-12-01 23:10:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-12-01 23:10:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-12-01 23:10:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2024-12-01 23:10:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2024-12-01 23:10:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2024-12-01 23:10:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure SetPulseWidth [2024-12-01 23:10:21,597 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPulseWidth [2024-12-01 23:10:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure Tdelay [2024-12-01 23:10:21,597 INFO L138 BoogieDeclarations]: Found implementation of procedure Tdelay [2024-12-01 23:10:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2024-12-01 23:10:21,597 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2024-12-01 23:10:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-12-01 23:10:21,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-12-01 23:10:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure hwreset [2024-12-01 23:10:21,597 INFO L138 BoogieDeclarations]: Found implementation of procedure hwreset [2024-12-01 23:10:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-12-01 23:10:21,597 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-12-01 23:10:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-01 23:10:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure ClkTx [2024-12-01 23:10:21,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ClkTx [2024-12-01 23:10:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure WriteLPCReg [2024-12-01 23:10:21,597 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteLPCReg [2024-12-01 23:10:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-01 23:10:21,597 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-01 23:10:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2024-12-01 23:10:21,598 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2024-12-01 23:10:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2024-12-01 23:10:21,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2024-12-01 23:10:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure CommonInit [2024-12-01 23:10:21,598 INFO L138 BoogieDeclarations]: Found implementation of procedure CommonInit [2024-12-01 23:10:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-01 23:10:21,598 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-01 23:10:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-12-01 23:10:21,598 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-12-01 23:10:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-12-01 23:10:21,598 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-12-01 23:10:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_dongle_speed [2024-12-01 23:10:21,598 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_dongle_speed [2024-12-01 23:10:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure ReadLPCReg [2024-12-01 23:10:21,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadLPCReg [2024-12-01 23:10:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-01 23:10:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-01 23:10:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-01 23:10:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-01 23:10:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-01 23:10:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-01 23:10:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-01 23:10:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-01 23:10:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-01 23:10:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-01 23:10:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-01 23:10:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-01 23:10:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-01 23:10:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-01 23:10:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-01 23:10:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-01 23:10:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-01 23:10:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-01 23:10:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-01 23:10:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-12-01 23:10:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-12-01 23:10:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-12-01 23:10:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2024-12-01 23:10:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2024-12-01 23:10:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#24 [2024-12-01 23:10:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#25 [2024-12-01 23:10:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#26 [2024-12-01 23:10:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#27 [2024-12-01 23:10:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#28 [2024-12-01 23:10:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#29 [2024-12-01 23:10:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma [2024-12-01 23:10:21,600 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma [2024-12-01 23:10:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_receive [2024-12-01 23:10:21,600 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_receive [2024-12-01 23:10:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-01 23:10:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-01 23:10:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-01 23:10:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-01 23:10:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-01 23:10:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-01 23:10:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-01 23:10:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-01 23:10:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-01 23:10:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-01 23:10:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-01 23:10:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-01 23:10:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-01 23:10:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-01 23:10:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-01 23:10:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-01 23:10:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-01 23:10:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-01 23:10:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-01 23:10:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-01 23:10:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-12-01 23:10:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-12-01 23:10:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-12-01 23:10:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-12-01 23:10:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-12-01 23:10:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2024-12-01 23:10:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2024-12-01 23:10:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2024-12-01 23:10:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2024-12-01 23:10:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2024-12-01 23:10:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_xmit [2024-12-01 23:10:21,601 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_xmit [2024-12-01 23:10:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-12-01 23:10:21,602 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-12-01 23:10:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_close [2024-12-01 23:10:21,602 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_close [2024-12-01 23:10:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2024-12-01 23:10:21,602 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2024-12-01 23:10:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-01 23:10:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-01 23:10:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-01 23:10:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-01 23:10:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-01 23:10:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-01 23:10:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-01 23:10:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-01 23:10:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-01 23:10:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-01 23:10:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-01 23:10:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-01 23:10:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-01 23:10:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-01 23:10:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-01 23:10:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-01 23:10:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-01 23:10:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-01 23:10:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-01 23:10:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-01 23:10:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-12-01 23:10:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-12-01 23:10:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-12-01 23:10:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-12-01 23:10:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-12-01 23:10:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-12-01 23:10:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-12-01 23:10:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2024-12-01 23:10:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2024-12-01 23:10:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2024-12-01 23:10:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-12-01 23:10:21,603 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-12-01 23:10:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-01 23:10:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-01 23:10:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-01 23:10:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-01 23:10:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-01 23:10:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-01 23:10:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-01 23:10:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-01 23:10:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-01 23:10:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-01 23:10:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-01 23:10:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-01 23:10:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-12-01 23:10:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-12-01 23:10:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-12-01 23:10:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-12-01 23:10:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-12-01 23:10:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-12-01 23:10:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-12-01 23:10:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-12-01 23:10:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-12-01 23:10:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-12-01 23:10:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2024-12-01 23:10:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#23 [2024-12-01 23:10:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#24 [2024-12-01 23:10:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#25 [2024-12-01 23:10:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#26 [2024-12-01 23:10:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#27 [2024-12-01 23:10:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#28 [2024-12-01 23:10:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#29 [2024-12-01 23:10:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-01 23:10:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-01 23:10:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-01 23:10:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-01 23:10:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-01 23:10:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-01 23:10:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-01 23:10:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-01 23:10:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-01 23:10:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-01 23:10:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-01 23:10:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-01 23:10:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-12-01 23:10:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-12-01 23:10:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-12-01 23:10:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-12-01 23:10:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-12-01 23:10:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-12-01 23:10:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-12-01 23:10:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-12-01 23:10:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-12-01 23:10:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-12-01 23:10:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2024-12-01 23:10:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#23 [2024-12-01 23:10:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#24 [2024-12-01 23:10:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#25 [2024-12-01 23:10:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#26 [2024-12-01 23:10:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#27 [2024-12-01 23:10:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#28 [2024-12-01 23:10:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#29 [2024-12-01 23:10:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure CkRxRecv [2024-12-01 23:10:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure CkRxRecv [2024-12-01 23:10:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2024-12-01 23:10:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2024-12-01 23:10:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-12-01 23:10:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-12-01 23:10:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2024-12-01 23:10:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2024-12-01 23:10:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-12-01 23:10:21,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-12-01 23:10:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-01 23:10:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-01 23:10:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-01 23:10:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-01 23:10:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-01 23:10:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-01 23:10:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-01 23:10:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-01 23:10:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-01 23:10:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-01 23:10:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-01 23:10:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-01 23:10:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-01 23:10:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-01 23:10:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-01 23:10:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-01 23:10:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-01 23:10:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-01 23:10:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-01 23:10:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-01 23:10:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-12-01 23:10:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-12-01 23:10:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-12-01 23:10:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-12-01 23:10:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-12-01 23:10:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-12-01 23:10:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-12-01 23:10:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2024-12-01 23:10:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2024-12-01 23:10:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2024-12-01 23:10:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2024-12-01 23:10:21,608 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2024-12-01 23:10:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-12-01 23:10:21,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-12-01 23:10:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2024-12-01 23:10:21,608 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2024-12-01 23:10:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendByte [2024-12-01 23:10:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendByte [2024-12-01 23:10:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2024-12-01 23:10:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2024-12-01 23:10:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-01 23:10:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-01 23:10:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure ReadReg [2024-12-01 23:10:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadReg [2024-12-01 23:10:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_open [2024-12-01 23:10:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_open [2024-12-01 23:10:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-12-01 23:10:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-12-01 23:10:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure WriteRegBit [2024-12-01 23:10:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteRegBit [2024-12-01 23:10:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-01 23:10:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Indx [2024-12-01 23:10:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Indx [2024-12-01 23:10:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-12-01 23:10:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-12-01 23:10:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-01 23:10:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-01 23:10:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-01 23:10:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-01 23:10:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-01 23:10:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-01 23:10:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-01 23:10:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-01 23:10:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-01 23:10:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-01 23:10:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-01 23:10:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-01 23:10:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-01 23:10:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-01 23:10:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-01 23:10:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-01 23:10:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-01 23:10:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-01 23:10:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-01 23:10:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-01 23:10:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-01 23:10:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-01 23:10:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-01 23:10:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-12-01 23:10:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-12-01 23:10:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-12-01 23:10:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-12-01 23:10:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-12-01 23:10:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-12-01 23:10:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-12-01 23:10:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2024-12-01 23:10:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2024-12-01 23:10:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2024-12-01 23:10:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2024-12-01 23:10:21,611 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2024-12-01 23:10:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2024-12-01 23:10:21,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_percpu_size [2024-12-01 23:10:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-12-01 23:10:21,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-12-01 23:10:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure WriteReg [2024-12-01 23:10:21,611 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteReg [2024-12-01 23:10:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendPreambleCount [2024-12-01 23:10:21,611 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendPreambleCount [2024-12-01 23:10:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure InitCard [2024-12-01 23:10:21,611 INFO L138 BoogieDeclarations]: Found implementation of procedure InitCard [2024-12-01 23:10:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure SetTimer [2024-12-01 23:10:21,611 INFO L138 BoogieDeclarations]: Found implementation of procedure SetTimer [2024-12-01 23:10:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure ActClk [2024-12-01 23:10:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ActClk [2024-12-01 23:10:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure SetBaudRate [2024-12-01 23:10:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure SetBaudRate [2024-12-01 23:10:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Byte [2024-12-01 23:10:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Byte [2024-12-01 23:10:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-12-01 23:10:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-12-01 23:10:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure request_dma [2024-12-01 23:10:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure request_dma [2024-12-01 23:10:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-12-01 23:10:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-12-01 23:10:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2024-12-01 23:10:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2024-12-01 23:10:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-01 23:10:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-01 23:10:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-01 23:10:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-01 23:10:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-01 23:10:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-01 23:10:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-01 23:10:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-01 23:10:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-01 23:10:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-01 23:10:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-01 23:10:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-01 23:10:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-01 23:10:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-01 23:10:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-01 23:10:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-01 23:10:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-01 23:10:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-01 23:10:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-01 23:10:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-01 23:10:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-12-01 23:10:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-12-01 23:10:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-12-01 23:10:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-12-01 23:10:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-12-01 23:10:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-12-01 23:10:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-12-01 23:10:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2024-12-01 23:10:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2024-12-01 23:10:21,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2024-12-01 23:10:21,614 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2024-12-01 23:10:21,614 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2024-12-01 23:10:21,614 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_open [2024-12-01 23:10:21,614 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_open [2024-12-01 23:10:21,614 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2024-12-01 23:10:21,614 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2024-12-01 23:10:21,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-01 23:10:21,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-01 23:10:22,350 INFO L234 CfgBuilder]: Building ICFG [2024-12-01 23:10:22,353 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-01 23:10:32,834 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-01 23:10:39,021 INFO L? ?]: Removed 2104 outVars from TransFormulas that were not future-live. [2024-12-01 23:10:39,022 INFO L283 CfgBuilder]: Performing block encoding [2024-12-01 23:10:39,059 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-01 23:10:39,059 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-01 23:10:39,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:10:39 BoogieIcfgContainer [2024-12-01 23:10:39,059 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-01 23:10:39,062 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-01 23:10:39,062 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-01 23:10:39,065 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-01 23:10:39,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:10:18" (1/3) ... [2024-12-01 23:10:39,066 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e42b07f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:10:39, skipping insertion in model container [2024-12-01 23:10:39,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:20" (2/3) ... [2024-12-01 23:10:39,066 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e42b07f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:10:39, skipping insertion in model container [2024-12-01 23:10:39,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:10:39" (3/3) ... [2024-12-01 23:10:39,068 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i [2024-12-01 23:10:39,078 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-01 23:10:39,080 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i that has 114 procedures, 2309 locations, 1 initial locations, 62 loop locations, and 1 error locations. [2024-12-01 23:10:39,155 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-01 23:10:39,164 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;@6bc43bcd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-01 23:10:39,165 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-01 23:10:39,172 INFO L276 IsEmpty]: Start isEmpty. Operand has 2163 states, 1417 states have (on average 1.347212420606916) internal successors, (1909), 1468 states have internal predecessors, (1909), 661 states have call successors, (661), 84 states have call predecessors, (661), 83 states have return successors, (654), 643 states have call predecessors, (654), 654 states have call successors, (654) [2024-12-01 23:10:39,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-12-01 23:10:39,208 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:10:39,209 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:10:39,210 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:10:39,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:10:39,213 INFO L85 PathProgramCache]: Analyzing trace with hash -602687858, now seen corresponding path program 1 times [2024-12-01 23:10:39,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:10:39,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532454380] [2024-12-01 23:10:39,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:10:39,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:10:45,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:10:45,679 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-12-01 23:10:45,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:10:45,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532454380] [2024-12-01 23:10:45,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532454380] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:10:45,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131532702] [2024-12-01 23:10:45,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:10:45,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:10:45,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:10:45,683 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:10:45,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-01 23:10:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:10:52,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 4254 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-01 23:10:52,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:10:52,228 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-12-01 23:10:52,228 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:10:52,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1131532702] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:10:52,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-01 23:10:52,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-01 23:10:52,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186754800] [2024-12-01 23:10:52,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:10:52,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-01 23:10:52,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:10:52,249 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-01 23:10:52,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-01 23:10:52,253 INFO L87 Difference]: Start difference. First operand has 2163 states, 1417 states have (on average 1.347212420606916) internal successors, (1909), 1468 states have internal predecessors, (1909), 661 states have call successors, (661), 84 states have call predecessors, (661), 83 states have return successors, (654), 643 states have call predecessors, (654), 654 states have call successors, (654) Second operand has 2 states, 2 states have (on average 43.5) internal successors, (87), 2 states have internal predecessors, (87), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-01 23:10:52,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:10:52,421 INFO L93 Difference]: Finished difference Result 4321 states and 6525 transitions. [2024-12-01 23:10:52,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-01 23:10:52,423 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 43.5) internal successors, (87), 2 states have internal predecessors, (87), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 202 [2024-12-01 23:10:52,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:10:52,452 INFO L225 Difference]: With dead ends: 4321 [2024-12-01 23:10:52,452 INFO L226 Difference]: Without dead ends: 2145 [2024-12-01 23:10:52,500 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-01 23:10:52,502 INFO L435 NwaCegarLoop]: 3212 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3212 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:10:52,503 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3212 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:10:52,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2145 states. [2024-12-01 23:10:52,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2145 to 2145. [2024-12-01 23:10:52,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2145 states, 1408 states have (on average 1.3359375) internal successors, (1881), 1450 states have internal predecessors, (1881), 654 states have call successors, (654), 83 states have call predecessors, (654), 82 states have return successors, (653), 642 states have call predecessors, (653), 653 states have call successors, (653) [2024-12-01 23:10:52,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 2145 states and 3188 transitions. [2024-12-01 23:10:52,668 INFO L78 Accepts]: Start accepts. Automaton has 2145 states and 3188 transitions. Word has length 202 [2024-12-01 23:10:52,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:10:52,669 INFO L471 AbstractCegarLoop]: Abstraction has 2145 states and 3188 transitions. [2024-12-01 23:10:52,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 43.5) internal successors, (87), 2 states have internal predecessors, (87), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-01 23:10:52,670 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 3188 transitions. [2024-12-01 23:10:52,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-12-01 23:10:52,679 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:10:52,680 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:10:52,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-01 23:10:52,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-01 23:10:52,881 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:10:52,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:10:52,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1621965445, now seen corresponding path program 1 times [2024-12-01 23:10:52,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:10:52,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821157985] [2024-12-01 23:10:52,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:10:52,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:10:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:10:58,945 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-12-01 23:10:58,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:10:58,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821157985] [2024-12-01 23:10:58,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821157985] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:10:58,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:10:58,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-01 23:10:58,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251063624] [2024-12-01 23:10:58,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:10:58,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 23:10:58,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:10:58,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 23:10:58,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:10:58,949 INFO L87 Difference]: Start difference. First operand 2145 states and 3188 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-12-01 23:10:59,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:10:59,627 INFO L93 Difference]: Finished difference Result 6394 states and 9523 transitions. [2024-12-01 23:10:59,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-01 23:10:59,628 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 199 [2024-12-01 23:10:59,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:10:59,663 INFO L225 Difference]: With dead ends: 6394 [2024-12-01 23:10:59,664 INFO L226 Difference]: Without dead ends: 4271 [2024-12-01 23:10:59,680 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-12-01 23:10:59,681 INFO L435 NwaCegarLoop]: 4339 mSDtfsCounter, 3166 mSDsluCounter, 11818 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3167 SdHoareTripleChecker+Valid, 16157 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-01 23:10:59,681 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3167 Valid, 16157 Invalid, 40 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-01 23:10:59,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4271 states. [2024-12-01 23:10:59,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4271 to 4262. [2024-12-01 23:10:59,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4262 states, 2797 states have (on average 1.3360743653914908) internal successors, (3737), 2885 states have internal predecessors, (3737), 1300 states have call successors, (1300), 165 states have call predecessors, (1300), 164 states have return successors, (1308), 1273 states have call predecessors, (1308), 1299 states have call successors, (1308) [2024-12-01 23:10:59,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4262 states to 4262 states and 6345 transitions. [2024-12-01 23:10:59,945 INFO L78 Accepts]: Start accepts. Automaton has 4262 states and 6345 transitions. Word has length 199 [2024-12-01 23:10:59,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:10:59,946 INFO L471 AbstractCegarLoop]: Abstraction has 4262 states and 6345 transitions. [2024-12-01 23:10:59,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-12-01 23:10:59,946 INFO L276 IsEmpty]: Start isEmpty. Operand 4262 states and 6345 transitions. [2024-12-01 23:10:59,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-12-01 23:10:59,959 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:10:59,960 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:10:59,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-01 23:10:59,960 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:10:59,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:10:59,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1642068317, now seen corresponding path program 1 times [2024-12-01 23:10:59,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:10:59,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81125795] [2024-12-01 23:10:59,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:10:59,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:11:04,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:11:05,484 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-12-01 23:11:05,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:11:05,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81125795] [2024-12-01 23:11:05,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81125795] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:11:05,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:11:05,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-01 23:11:05,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992848005] [2024-12-01 23:11:05,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:11:05,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 23:11:05,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:11:05,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 23:11:05,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:11:05,487 INFO L87 Difference]: Start difference. First operand 4262 states and 6345 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-12-01 23:11:06,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:11:06,097 INFO L93 Difference]: Finished difference Result 12754 states and 19027 transitions. [2024-12-01 23:11:06,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-01 23:11:06,098 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 221 [2024-12-01 23:11:06,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:11:06,156 INFO L225 Difference]: With dead ends: 12754 [2024-12-01 23:11:06,156 INFO L226 Difference]: Without dead ends: 8514 [2024-12-01 23:11:06,182 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-12-01 23:11:06,183 INFO L435 NwaCegarLoop]: 3282 mSDtfsCounter, 3169 mSDsluCounter, 9704 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3170 SdHoareTripleChecker+Valid, 12986 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-01 23:11:06,183 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3170 Valid, 12986 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-01 23:11:06,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8514 states. [2024-12-01 23:11:06,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8514 to 8501. [2024-12-01 23:11:06,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8501 states, 5581 states have (on average 1.335782117900018) internal successors, (7455), 5756 states have internal predecessors, (7455), 2591 states have call successors, (2591), 329 states have call predecessors, (2591), 328 states have return successors, (2628), 2539 states have call predecessors, (2628), 2590 states have call successors, (2628) [2024-12-01 23:11:06,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8501 states to 8501 states and 12674 transitions. [2024-12-01 23:11:06,603 INFO L78 Accepts]: Start accepts. Automaton has 8501 states and 12674 transitions. Word has length 221 [2024-12-01 23:11:06,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:11:06,604 INFO L471 AbstractCegarLoop]: Abstraction has 8501 states and 12674 transitions. [2024-12-01 23:11:06,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-12-01 23:11:06,604 INFO L276 IsEmpty]: Start isEmpty. Operand 8501 states and 12674 transitions. [2024-12-01 23:11:06,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-12-01 23:11:06,617 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:11:06,617 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:11:06,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-01 23:11:06,618 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:11:06,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:11:06,618 INFO L85 PathProgramCache]: Analyzing trace with hash 128883014, now seen corresponding path program 1 times [2024-12-01 23:11:06,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:11:06,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199140473] [2024-12-01 23:11:06,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:11:06,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:11:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:11:12,230 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-12-01 23:11:12,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:11:12,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199140473] [2024-12-01 23:11:12,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199140473] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:11:12,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:11:12,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-01 23:11:12,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287144062] [2024-12-01 23:11:12,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:11:12,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 23:11:12,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:11:12,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 23:11:12,231 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:11:12,232 INFO L87 Difference]: Start difference. First operand 8501 states and 12674 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-12-01 23:11:13,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:11:13,051 INFO L93 Difference]: Finished difference Result 25487 states and 38074 transitions. [2024-12-01 23:11:13,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-01 23:11:13,052 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 223 [2024-12-01 23:11:13,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:11:13,238 INFO L225 Difference]: With dead ends: 25487 [2024-12-01 23:11:13,238 INFO L226 Difference]: Without dead ends: 17008 [2024-12-01 23:11:13,282 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-12-01 23:11:13,282 INFO L435 NwaCegarLoop]: 3185 mSDtfsCounter, 3171 mSDsluCounter, 9510 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3172 SdHoareTripleChecker+Valid, 12695 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-01 23:11:13,283 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3172 Valid, 12695 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-01 23:11:13,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17008 states. [2024-12-01 23:11:13,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17008 to 16985. [2024-12-01 23:11:13,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16985 states, 11155 states have (on average 1.3354549529359032) internal successors, (14897), 11503 states have internal predecessors, (14897), 5172 states have call successors, (5172), 658 states have call predecessors, (5172), 657 states have return successors, (5287), 5071 states have call predecessors, (5287), 5171 states have call successors, (5287) [2024-12-01 23:11:14,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16985 states to 16985 states and 25356 transitions. [2024-12-01 23:11:14,025 INFO L78 Accepts]: Start accepts. Automaton has 16985 states and 25356 transitions. Word has length 223 [2024-12-01 23:11:14,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:11:14,025 INFO L471 AbstractCegarLoop]: Abstraction has 16985 states and 25356 transitions. [2024-12-01 23:11:14,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-12-01 23:11:14,026 INFO L276 IsEmpty]: Start isEmpty. Operand 16985 states and 25356 transitions. [2024-12-01 23:11:14,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-12-01 23:11:14,037 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:11:14,037 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:11:14,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-01 23:11:14,037 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:11:14,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:11:14,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1255375548, now seen corresponding path program 1 times [2024-12-01 23:11:14,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:11:14,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337481618] [2024-12-01 23:11:14,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:11:14,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:11:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:11:19,804 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-12-01 23:11:19,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:11:19,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337481618] [2024-12-01 23:11:19,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337481618] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:11:19,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:11:19,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-01 23:11:19,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371099236] [2024-12-01 23:11:19,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:11:19,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 23:11:19,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:11:19,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 23:11:19,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:11:19,805 INFO L87 Difference]: Start difference. First operand 16985 states and 25356 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-12-01 23:11:21,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:11:21,368 INFO L93 Difference]: Finished difference Result 50435 states and 75428 transitions. [2024-12-01 23:11:21,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-01 23:11:21,369 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 222 [2024-12-01 23:11:21,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:11:21,665 INFO L225 Difference]: With dead ends: 50435 [2024-12-01 23:11:21,665 INFO L226 Difference]: Without dead ends: 33472 [2024-12-01 23:11:21,789 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-12-01 23:11:21,790 INFO L435 NwaCegarLoop]: 3186 mSDtfsCounter, 3170 mSDsluCounter, 9512 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3171 SdHoareTripleChecker+Valid, 12698 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-01 23:11:21,790 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3171 Valid, 12698 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-01 23:11:21,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33472 states. [2024-12-01 23:11:23,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33472 to 33430. [2024-12-01 23:11:23,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33430 states, 21936 states have (on average 1.3338347921225382) internal successors, (29259), 22615 states have internal predecessors, (29259), 10193 states have call successors, (10193), 1301 states have call predecessors, (10193), 1300 states have return successors, (10502), 9998 states have call predecessors, (10502), 10192 states have call successors, (10502) [2024-12-01 23:11:23,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33430 states to 33430 states and 49954 transitions. [2024-12-01 23:11:23,468 INFO L78 Accepts]: Start accepts. Automaton has 33430 states and 49954 transitions. Word has length 222 [2024-12-01 23:11:23,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:11:23,468 INFO L471 AbstractCegarLoop]: Abstraction has 33430 states and 49954 transitions. [2024-12-01 23:11:23,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-12-01 23:11:23,469 INFO L276 IsEmpty]: Start isEmpty. Operand 33430 states and 49954 transitions. [2024-12-01 23:11:23,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-12-01 23:11:23,481 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:11:23,481 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:11:23,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-01 23:11:23,482 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:11:23,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:11:23,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1677413224, now seen corresponding path program 1 times [2024-12-01 23:11:23,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:11:23,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246911820] [2024-12-01 23:11:23,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:11:23,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:11:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:11:29,812 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-12-01 23:11:29,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:11:29,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246911820] [2024-12-01 23:11:29,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246911820] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:11:29,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933094352] [2024-12-01 23:11:29,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:11:29,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:11:29,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:11:29,814 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:11:29,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-01 23:11:36,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:11:36,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 4317 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-01 23:11:36,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:11:36,235 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-12-01 23:11:36,235 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:11:36,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [933094352] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:11:36,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-01 23:11:36,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-12-01 23:11:36,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438515113] [2024-12-01 23:11:36,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:11:36,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:11:36,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:11:36,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:11:36,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-01 23:11:36,238 INFO L87 Difference]: Start difference. First operand 33430 states and 49954 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-01 23:11:36,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:11:36,857 INFO L93 Difference]: Finished difference Result 33449 states and 49988 transitions. [2024-12-01 23:11:36,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:11:36,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 212 [2024-12-01 23:11:36,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:11:37,071 INFO L225 Difference]: With dead ends: 33449 [2024-12-01 23:11:37,071 INFO L226 Difference]: Without dead ends: 33446 [2024-12-01 23:11:37,099 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-01 23:11:37,100 INFO L435 NwaCegarLoop]: 3187 mSDtfsCounter, 0 mSDsluCounter, 3182 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6369 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:11:37,100 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6369 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:11:37,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33446 states. [2024-12-01 23:11:38,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33446 to 33446. [2024-12-01 23:11:38,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33446 states, 21952 states have (on average 1.333591472303207) internal successors, (29275), 22631 states have internal predecessors, (29275), 10193 states have call successors, (10193), 1301 states have call predecessors, (10193), 1300 states have return successors, (10502), 9998 states have call predecessors, (10502), 10192 states have call successors, (10502) [2024-12-01 23:11:38,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33446 states to 33446 states and 49970 transitions. [2024-12-01 23:11:38,550 INFO L78 Accepts]: Start accepts. Automaton has 33446 states and 49970 transitions. Word has length 212 [2024-12-01 23:11:38,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:11:38,551 INFO L471 AbstractCegarLoop]: Abstraction has 33446 states and 49970 transitions. [2024-12-01 23:11:38,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-01 23:11:38,551 INFO L276 IsEmpty]: Start isEmpty. Operand 33446 states and 49970 transitions. [2024-12-01 23:11:38,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-12-01 23:11:38,566 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:11:38,566 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:11:38,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-01 23:11:38,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:11:38,767 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:11:38,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:11:38,769 INFO L85 PathProgramCache]: Analyzing trace with hash 817133357, now seen corresponding path program 1 times [2024-12-01 23:11:38,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:11:38,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89349588] [2024-12-01 23:11:38,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:11:38,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:11:44,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:11:44,835 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-12-01 23:11:44,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:11:44,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89349588] [2024-12-01 23:11:44,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89349588] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:11:44,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083419870] [2024-12-01 23:11:44,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:11:44,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:11:44,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:11:44,837 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:11:44,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-01 23:11:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:11:51,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 4322 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-01 23:11:51,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:11:51,170 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2024-12-01 23:11:51,170 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:11:51,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2083419870] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:11:51,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-01 23:11:51,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-12-01 23:11:51,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82191700] [2024-12-01 23:11:51,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:11:51,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:11:51,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:11:51,172 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:11:51,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-01 23:11:51,172 INFO L87 Difference]: Start difference. First operand 33446 states and 49970 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-01 23:11:52,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:11:52,272 INFO L93 Difference]: Finished difference Result 66885 states and 99973 transitions. [2024-12-01 23:11:52,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:11:52,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 214 [2024-12-01 23:11:52,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:11:52,453 INFO L225 Difference]: With dead ends: 66885 [2024-12-01 23:11:52,453 INFO L226 Difference]: Without dead ends: 33461 [2024-12-01 23:11:52,602 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-01 23:11:52,603 INFO L435 NwaCegarLoop]: 3187 mSDtfsCounter, 0 mSDsluCounter, 3181 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6368 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:11:52,603 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6368 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:11:52,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33461 states. [2024-12-01 23:11:53,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33461 to 33461. [2024-12-01 23:11:53,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33461 states, 21967 states have (on average 1.333363681886466) internal successors, (29290), 22646 states have internal predecessors, (29290), 10193 states have call successors, (10193), 1301 states have call predecessors, (10193), 1300 states have return successors, (10502), 9998 states have call predecessors, (10502), 10192 states have call successors, (10502) [2024-12-01 23:11:54,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33461 states to 33461 states and 49985 transitions. [2024-12-01 23:11:54,150 INFO L78 Accepts]: Start accepts. Automaton has 33461 states and 49985 transitions. Word has length 214 [2024-12-01 23:11:54,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:11:54,150 INFO L471 AbstractCegarLoop]: Abstraction has 33461 states and 49985 transitions. [2024-12-01 23:11:54,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-01 23:11:54,151 INFO L276 IsEmpty]: Start isEmpty. Operand 33461 states and 49985 transitions. [2024-12-01 23:11:54,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2024-12-01 23:11:54,160 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:11:54,160 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:11:54,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-01 23:11:54,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:11:54,361 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:11:54,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:11:54,361 INFO L85 PathProgramCache]: Analyzing trace with hash -824194757, now seen corresponding path program 1 times [2024-12-01 23:11:54,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:11:54,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088479235] [2024-12-01 23:11:54,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:11:54,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:11:59,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:12:00,215 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-12-01 23:12:00,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:12:00,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088479235] [2024-12-01 23:12:00,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088479235] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:12:00,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [139506552] [2024-12-01 23:12:00,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:12:00,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:12:00,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:12:00,218 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:12:00,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-01 23:12:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:12:07,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 4356 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-01 23:12:07,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:12:07,388 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-12-01 23:12:07,388 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:12:07,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [139506552] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:12:07,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-01 23:12:07,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-12-01 23:12:07,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520833473] [2024-12-01 23:12:07,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:12:07,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:12:07,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:12:07,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:12:07,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-01 23:12:07,390 INFO L87 Difference]: Start difference. First operand 33461 states and 49985 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-01 23:12:08,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:12:08,268 INFO L93 Difference]: Finished difference Result 66915 states and 100003 transitions. [2024-12-01 23:12:08,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:12:08,268 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 235 [2024-12-01 23:12:08,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:12:08,418 INFO L225 Difference]: With dead ends: 66915 [2024-12-01 23:12:08,418 INFO L226 Difference]: Without dead ends: 33476 [2024-12-01 23:12:08,531 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-01 23:12:08,532 INFO L435 NwaCegarLoop]: 3187 mSDtfsCounter, 0 mSDsluCounter, 3181 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6368 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:12:08,532 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6368 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 23:12:08,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33476 states. [2024-12-01 23:12:09,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33476 to 33476. [2024-12-01 23:12:09,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33476 states, 21982 states have (on average 1.3331362023473752) internal successors, (29305), 22661 states have internal predecessors, (29305), 10193 states have call successors, (10193), 1301 states have call predecessors, (10193), 1300 states have return successors, (10502), 9998 states have call predecessors, (10502), 10192 states have call successors, (10502) [2024-12-01 23:12:09,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33476 states to 33476 states and 50000 transitions. [2024-12-01 23:12:09,634 INFO L78 Accepts]: Start accepts. Automaton has 33476 states and 50000 transitions. Word has length 235 [2024-12-01 23:12:09,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:12:09,635 INFO L471 AbstractCegarLoop]: Abstraction has 33476 states and 50000 transitions. [2024-12-01 23:12:09,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-01 23:12:09,635 INFO L276 IsEmpty]: Start isEmpty. Operand 33476 states and 50000 transitions. [2024-12-01 23:12:09,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2024-12-01 23:12:09,645 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:12:09,645 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:12:09,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-01 23:12:09,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:12:09,845 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:12:09,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:12:09,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1390642658, now seen corresponding path program 1 times [2024-12-01 23:12:09,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:12:09,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932808495] [2024-12-01 23:12:09,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:12:09,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:12:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:12:15,561 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-12-01 23:12:15,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:12:15,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932808495] [2024-12-01 23:12:15,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932808495] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:12:15,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257088947] [2024-12-01 23:12:15,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:12:15,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:12:15,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:12:15,564 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:12:15,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-01 23:12:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:12:22,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 4357 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-01 23:12:22,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:12:22,687 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-12-01 23:12:22,687 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:12:22,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257088947] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:12:22,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-01 23:12:22,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2024-12-01 23:12:22,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897051657] [2024-12-01 23:12:22,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:12:22,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-01 23:12:22,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:12:22,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-01 23:12:22,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-01 23:12:22,689 INFO L87 Difference]: Start difference. First operand 33476 states and 50000 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-01 23:12:25,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:12:25,159 INFO L93 Difference]: Finished difference Result 83578 states and 124874 transitions. [2024-12-01 23:12:25,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 23:12:25,160 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 236 [2024-12-01 23:12:25,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:12:25,415 INFO L225 Difference]: With dead ends: 83578 [2024-12-01 23:12:25,415 INFO L226 Difference]: Without dead ends: 50124 [2024-12-01 23:12:25,553 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2024-12-01 23:12:25,553 INFO L435 NwaCegarLoop]: 4575 mSDtfsCounter, 3207 mSDsluCounter, 21448 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3211 SdHoareTripleChecker+Valid, 26023 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-01 23:12:25,554 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3211 Valid, 26023 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-01 23:12:25,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50124 states. [2024-12-01 23:12:27,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50124 to 49975. [2024-12-01 23:12:27,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49975 states, 32817 states have (on average 1.3332723893104184) internal successors, (43754), 33839 states have internal predecessors, (43754), 15210 states have call successors, (15210), 1940 states have call predecessors, (15210), 1947 states have return successors, (15765), 14917 states have call predecessors, (15765), 15209 states have call successors, (15765) [2024-12-01 23:12:27,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49975 states to 49975 states and 74729 transitions. [2024-12-01 23:12:27,525 INFO L78 Accepts]: Start accepts. Automaton has 49975 states and 74729 transitions. Word has length 236 [2024-12-01 23:12:27,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:12:27,526 INFO L471 AbstractCegarLoop]: Abstraction has 49975 states and 74729 transitions. [2024-12-01 23:12:27,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-01 23:12:27,526 INFO L276 IsEmpty]: Start isEmpty. Operand 49975 states and 74729 transitions. [2024-12-01 23:12:27,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2024-12-01 23:12:27,538 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:12:27,538 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:12:27,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-01 23:12:27,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:12:27,738 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:12:27,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:12:27,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1587458649, now seen corresponding path program 1 times [2024-12-01 23:12:27,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:12:27,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723702160] [2024-12-01 23:12:27,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:12:27,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:12:32,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:12:33,438 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-12-01 23:12:33,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:12:33,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723702160] [2024-12-01 23:12:33,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723702160] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:12:33,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [598870564] [2024-12-01 23:12:33,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:12:33,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:12:33,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:12:33,441 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:12:33,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-01 23:12:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:12:39,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 4359 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-01 23:12:39,894 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:12:40,570 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-12-01 23:12:40,570 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:12:40,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [598870564] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:12:40,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-01 23:12:40,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2024-12-01 23:12:40,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37077742] [2024-12-01 23:12:40,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:12:40,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-01 23:12:40,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:12:40,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-01 23:12:40,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-12-01 23:12:40,572 INFO L87 Difference]: Start difference. First operand 49975 states and 74729 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-01 23:12:43,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:12:43,201 INFO L93 Difference]: Finished difference Result 116629 states and 174378 transitions. [2024-12-01 23:12:43,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 23:12:43,201 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 237 [2024-12-01 23:12:43,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:12:43,538 INFO L225 Difference]: With dead ends: 116629 [2024-12-01 23:12:43,538 INFO L226 Difference]: Without dead ends: 66676 [2024-12-01 23:12:43,732 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-12-01 23:12:43,732 INFO L435 NwaCegarLoop]: 4393 mSDtfsCounter, 3205 mSDsluCounter, 20708 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3209 SdHoareTripleChecker+Valid, 25101 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-01 23:12:43,732 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3209 Valid, 25101 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-01 23:12:43,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66676 states. [2024-12-01 23:12:46,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66676 to 66506. [2024-12-01 23:12:46,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66506 states, 43672 states have (on average 1.3331883128778164) internal successors, (58223), 45053 states have internal predecessors, (58223), 20227 states have call successors, (20227), 2579 states have call predecessors, (20227), 2606 states have return successors, (21040), 19832 states have call predecessors, (21040), 20226 states have call successors, (21040) [2024-12-01 23:12:46,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66506 states to 66506 states and 99490 transitions. [2024-12-01 23:12:46,559 INFO L78 Accepts]: Start accepts. Automaton has 66506 states and 99490 transitions. Word has length 237 [2024-12-01 23:12:46,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:12:46,560 INFO L471 AbstractCegarLoop]: Abstraction has 66506 states and 99490 transitions. [2024-12-01 23:12:46,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-01 23:12:46,560 INFO L276 IsEmpty]: Start isEmpty. Operand 66506 states and 99490 transitions. [2024-12-01 23:12:46,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-12-01 23:12:46,574 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:12:46,574 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:12:46,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-01 23:12:46,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-12-01 23:12:46,775 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:12:46,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:12:46,775 INFO L85 PathProgramCache]: Analyzing trace with hash -38589733, now seen corresponding path program 1 times [2024-12-01 23:12:46,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:12:46,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248839315] [2024-12-01 23:12:46,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:12:46,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:12:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:12:53,141 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-12-01 23:12:53,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:12:53,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248839315] [2024-12-01 23:12:53,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248839315] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:12:53,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629442395] [2024-12-01 23:12:53,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:12:53,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:12:53,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:12:53,143 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:12:53,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-01 23:12:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:12:59,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 4361 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-01 23:12:59,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:13:00,317 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-12-01 23:13:00,317 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:13:00,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [629442395] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:13:00,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-01 23:13:00,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2024-12-01 23:13:00,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098713255] [2024-12-01 23:13:00,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:13:00,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-01 23:13:00,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:13:00,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-01 23:13:00,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-12-01 23:13:00,319 INFO L87 Difference]: Start difference. First operand 66506 states and 99490 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 5 states have internal predecessors, (106), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-01 23:13:03,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:13:03,177 INFO L93 Difference]: Finished difference Result 149680 states and 223882 transitions. [2024-12-01 23:13:03,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 23:13:03,178 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 5 states have internal predecessors, (106), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 238 [2024-12-01 23:13:03,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:13:03,606 INFO L225 Difference]: With dead ends: 149680 [2024-12-01 23:13:03,606 INFO L226 Difference]: Without dead ends: 83196 [2024-12-01 23:13:03,869 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-12-01 23:13:03,870 INFO L435 NwaCegarLoop]: 4708 mSDtfsCounter, 3205 mSDsluCounter, 21968 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3209 SdHoareTripleChecker+Valid, 26676 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-01 23:13:03,870 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3209 Valid, 26676 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-01 23:13:03,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83196 states. [2024-12-01 23:13:06,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83196 to 66528. [2024-12-01 23:13:06,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66528 states, 43688 states have (on average 1.3330662882255997) internal successors, (58239), 45071 states have internal predecessors, (58239), 20227 states have call successors, (20227), 2579 states have call predecessors, (20227), 2612 states have return successors, (21049), 19836 states have call predecessors, (21049), 20226 states have call successors, (21049) [2024-12-01 23:13:06,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66528 states to 66528 states and 99515 transitions. [2024-12-01 23:13:06,941 INFO L78 Accepts]: Start accepts. Automaton has 66528 states and 99515 transitions. Word has length 238 [2024-12-01 23:13:06,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:13:06,942 INFO L471 AbstractCegarLoop]: Abstraction has 66528 states and 99515 transitions. [2024-12-01 23:13:06,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 5 states have internal predecessors, (106), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-01 23:13:06,942 INFO L276 IsEmpty]: Start isEmpty. Operand 66528 states and 99515 transitions. [2024-12-01 23:13:06,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-12-01 23:13:06,957 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:13:06,957 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:13:06,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-01 23:13:07,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-12-01 23:13:07,158 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:13:07,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:13:07,158 INFO L85 PathProgramCache]: Analyzing trace with hash 112435328, now seen corresponding path program 1 times [2024-12-01 23:13:07,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:13:07,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519390619] [2024-12-01 23:13:07,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:07,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:13:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:13,687 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-12-01 23:13:13,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:13:13,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519390619] [2024-12-01 23:13:13,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519390619] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:13:13,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874936743] [2024-12-01 23:13:13,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:13,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:13:13,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:13:13,690 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:13:13,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-01 23:13:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:20,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 4363 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-01 23:13:20,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:13:21,251 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-12-01 23:13:21,252 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:13:21,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [874936743] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:13:21,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-01 23:13:21,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2024-12-01 23:13:21,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51392097] [2024-12-01 23:13:21,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:13:21,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-01 23:13:21,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:13:21,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-01 23:13:21,253 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-12-01 23:13:21,254 INFO L87 Difference]: Start difference. First operand 66528 states and 99515 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 5 states have internal predecessors, (107), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-01 23:13:24,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:13:24,205 INFO L93 Difference]: Finished difference Result 149710 states and 223915 transitions. [2024-12-01 23:13:24,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-01 23:13:24,206 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 5 states have internal predecessors, (107), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 239 [2024-12-01 23:13:24,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:13:24,643 INFO L225 Difference]: With dead ends: 149710 [2024-12-01 23:13:24,643 INFO L226 Difference]: Without dead ends: 83204 [2024-12-01 23:13:24,912 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-12-01 23:13:24,912 INFO L435 NwaCegarLoop]: 4393 mSDtfsCounter, 3205 mSDsluCounter, 20708 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3209 SdHoareTripleChecker+Valid, 25101 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-01 23:13:24,912 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3209 Valid, 25101 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-01 23:13:24,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83204 states. [2024-12-01 23:13:27,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83204 to 66541. [2024-12-01 23:13:27,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66541 states, 43698 states have (on average 1.3329900681953408) internal successors, (58249), 45080 states have internal predecessors, (58249), 20227 states have call successors, (20227), 2579 states have call predecessors, (20227), 2615 states have return successors, (21052), 19840 states have call predecessors, (21052), 20226 states have call successors, (21052) [2024-12-01 23:13:27,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66541 states to 66541 states and 99528 transitions. [2024-12-01 23:13:27,970 INFO L78 Accepts]: Start accepts. Automaton has 66541 states and 99528 transitions. Word has length 239 [2024-12-01 23:13:27,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:13:27,971 INFO L471 AbstractCegarLoop]: Abstraction has 66541 states and 99528 transitions. [2024-12-01 23:13:27,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 5 states have internal predecessors, (107), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-01 23:13:27,971 INFO L276 IsEmpty]: Start isEmpty. Operand 66541 states and 99528 transitions. [2024-12-01 23:13:27,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-12-01 23:13:27,998 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:13:27,998 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:13:28,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-01 23:13:28,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-12-01 23:13:28,199 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:13:28,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:13:28,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1884231112, now seen corresponding path program 1 times [2024-12-01 23:13:28,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:13:28,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888995632] [2024-12-01 23:13:28,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:28,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:13:34,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:35,849 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-12-01 23:13:35,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:13:35,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888995632] [2024-12-01 23:13:35,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888995632] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:13:35,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024527867] [2024-12-01 23:13:35,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:35,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:13:35,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:13:35,852 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:13:35,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-01 23:13:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:42,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 4398 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-01 23:13:42,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:13:42,884 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-12-01 23:13:42,884 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:13:42,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2024527867] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:13:42,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-01 23:13:42,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-12-01 23:13:42,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846365831] [2024-12-01 23:13:42,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:13:42,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:13:42,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:13:42,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:13:42,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-01 23:13:42,885 INFO L87 Difference]: Start difference. First operand 66541 states and 99528 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-01 23:13:45,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:13:45,070 INFO L93 Difference]: Finished difference Result 135032 states and 202273 transitions. [2024-12-01 23:13:45,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:13:45,071 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 231 [2024-12-01 23:13:45,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:13:45,394 INFO L225 Difference]: With dead ends: 135032 [2024-12-01 23:13:45,394 INFO L226 Difference]: Without dead ends: 68513 [2024-12-01 23:13:45,612 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-01 23:13:45,612 INFO L435 NwaCegarLoop]: 3231 mSDtfsCounter, 69 mSDsluCounter, 3155 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 6386 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-01 23:13:45,613 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 6386 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-01 23:13:45,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68513 states. [2024-12-01 23:13:47,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68513 to 68339. [2024-12-01 23:13:47,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68339 states, 45061 states have (on average 1.3357892634428885) internal successors, (60192), 46472 states have internal predecessors, (60192), 20662 states have call successors, (20662), 2579 states have call predecessors, (20662), 2615 states have return successors, (21487), 20246 states have call predecessors, (21487), 20661 states have call successors, (21487) [2024-12-01 23:13:48,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68339 states to 68339 states and 102341 transitions. [2024-12-01 23:13:48,401 INFO L78 Accepts]: Start accepts. Automaton has 68339 states and 102341 transitions. Word has length 231 [2024-12-01 23:13:48,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:13:48,402 INFO L471 AbstractCegarLoop]: Abstraction has 68339 states and 102341 transitions. [2024-12-01 23:13:48,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-01 23:13:48,402 INFO L276 IsEmpty]: Start isEmpty. Operand 68339 states and 102341 transitions. [2024-12-01 23:13:48,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-12-01 23:13:48,422 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:13:48,423 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:13:48,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-01 23:13:48,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:13:48,623 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:13:48,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:13:48,624 INFO L85 PathProgramCache]: Analyzing trace with hash -444549174, now seen corresponding path program 1 times [2024-12-01 23:13:48,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:13:48,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193257439] [2024-12-01 23:13:48,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:48,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:13:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:55,106 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-12-01 23:13:55,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:13:55,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193257439] [2024-12-01 23:13:55,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193257439] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:13:55,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547036497] [2024-12-01 23:13:55,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:55,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:13:55,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:13:55,108 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:13:55,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-01 23:14:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:02,342 INFO L256 TraceCheckSpWp]: Trace formula consists of 4432 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-01 23:14:02,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:14:03,649 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-12-01 23:14:03,649 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:14:06,797 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2024-12-01 23:14:06,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547036497] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:14:06,797 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:14:06,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 10] total 18 [2024-12-01 23:14:06,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544893510] [2024-12-01 23:14:06,797 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:14:06,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-01 23:14:06,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:14:06,799 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-01 23:14:06,799 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2024-12-01 23:14:06,800 INFO L87 Difference]: Start difference. First operand 68339 states and 102341 transitions. Second operand has 18 states, 18 states have (on average 10.444444444444445) internal successors, (188), 14 states have internal predecessors, (188), 5 states have call successors, (50), 4 states have call predecessors, (50), 7 states have return successors, (45), 6 states have call predecessors, (45), 5 states have call successors, (45) [2024-12-01 23:14:10,847 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 [] [2024-12-01 23:14:15,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:14:19,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:14:23,717 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 [] [2024-12-01 23:16:14,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:16:14,315 INFO L93 Difference]: Finished difference Result 179374 states and 268740 transitions. [2024-12-01 23:16:14,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-12-01 23:16:14,315 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 10.444444444444445) internal successors, (188), 14 states have internal predecessors, (188), 5 states have call successors, (50), 4 states have call predecessors, (50), 7 states have return successors, (45), 6 states have call predecessors, (45), 5 states have call successors, (45) Word has length 252 [2024-12-01 23:16:14,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:16:15,246 INFO L225 Difference]: With dead ends: 179374 [2024-12-01 23:16:15,246 INFO L226 Difference]: Without dead ends: 111029 [2024-12-01 23:16:15,602 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 577 GetRequests, 494 SyntacticMatches, 8 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1747 ImplicationChecksByTransitivity, 13.0s TimeCoverageRelationStatistics Valid=747, Invalid=5105, Unknown=0, NotChecked=0, Total=5852 [2024-12-01 23:16:15,603 INFO L435 NwaCegarLoop]: 6610 mSDtfsCounter, 18527 mSDsluCounter, 54685 mSDsCounter, 0 mSdLazyCounter, 10454 mSolverCounterSat, 5766 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 107.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18548 SdHoareTripleChecker+Valid, 61295 SdHoareTripleChecker+Invalid, 16224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 5766 IncrementalHoareTripleChecker+Valid, 10454 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 111.7s IncrementalHoareTripleChecker+Time [2024-12-01 23:16:15,604 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18548 Valid, 61295 Invalid, 16224 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [5766 Valid, 10454 Invalid, 4 Unknown, 0 Unchecked, 111.7s Time] [2024-12-01 23:16:15,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111029 states. [2024-12-01 23:16:20,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111029 to 110597. [2024-12-01 23:16:20,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110597 states, 72901 states have (on average 1.3354686492640704) internal successors, (97357), 75198 states have internal predecessors, (97357), 33463 states have call successors, (33463), 4163 states have call predecessors, (33463), 4232 states have return successors, (34939), 32781 states have call predecessors, (34939), 33462 states have call successors, (34939) [2024-12-01 23:16:21,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110597 states to 110597 states and 165759 transitions. [2024-12-01 23:16:21,633 INFO L78 Accepts]: Start accepts. Automaton has 110597 states and 165759 transitions. Word has length 252 [2024-12-01 23:16:21,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:16:21,634 INFO L471 AbstractCegarLoop]: Abstraction has 110597 states and 165759 transitions. [2024-12-01 23:16:21,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 10.444444444444445) internal successors, (188), 14 states have internal predecessors, (188), 5 states have call successors, (50), 4 states have call predecessors, (50), 7 states have return successors, (45), 6 states have call predecessors, (45), 5 states have call successors, (45) [2024-12-01 23:16:21,634 INFO L276 IsEmpty]: Start isEmpty. Operand 110597 states and 165759 transitions. [2024-12-01 23:16:21,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2024-12-01 23:16:21,668 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:16:21,668 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:16:21,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-12-01 23:16:21,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-12-01 23:16:21,869 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:16:21,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:16:21,869 INFO L85 PathProgramCache]: Analyzing trace with hash -80065514, now seen corresponding path program 1 times [2024-12-01 23:16:21,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:16:21,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995706570] [2024-12-01 23:16:21,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:16:21,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:16:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:16:28,369 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-12-01 23:16:28,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:16:28,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995706570] [2024-12-01 23:16:28,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995706570] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:16:28,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747250000] [2024-12-01 23:16:28,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:16:28,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:16:28,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:16:28,372 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:16:28,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-01 23:16:35,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:16:35,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 4434 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-01 23:16:35,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:16:37,408 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-12-01 23:16:37,408 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:16:42,267 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2024-12-01 23:16:42,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747250000] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:16:42,267 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:16:42,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 10] total 18 [2024-12-01 23:16:42,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554716027] [2024-12-01 23:16:42,268 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:16:42,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-01 23:16:42,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:16:42,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-01 23:16:42,269 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2024-12-01 23:16:42,269 INFO L87 Difference]: Start difference. First operand 110597 states and 165759 transitions. Second operand has 18 states, 18 states have (on average 10.555555555555555) internal successors, (190), 14 states have internal predecessors, (190), 5 states have call successors, (50), 4 states have call predecessors, (50), 7 states have return successors, (45), 6 states have call predecessors, (45), 5 states have call successors, (45) [2024-12-01 23:16:46,313 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 [] [2024-12-01 23:16:50,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:16:54,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:16:59,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:18:45,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:18:45,717 INFO L93 Difference]: Finished difference Result 263634 states and 395142 transitions. [2024-12-01 23:18:45,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-12-01 23:18:45,718 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 10.555555555555555) internal successors, (190), 14 states have internal predecessors, (190), 5 states have call successors, (50), 4 states have call predecessors, (50), 7 states have return successors, (45), 6 states have call predecessors, (45), 5 states have call successors, (45) Word has length 253 [2024-12-01 23:18:45,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:18:46,926 INFO L225 Difference]: With dead ends: 263634 [2024-12-01 23:18:46,926 INFO L226 Difference]: Without dead ends: 153031 [2024-12-01 23:18:47,510 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 579 GetRequests, 496 SyntacticMatches, 8 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1774 ImplicationChecksByTransitivity, 15.3s TimeCoverageRelationStatistics Valid=747, Invalid=5105, Unknown=0, NotChecked=0, Total=5852 [2024-12-01 23:18:47,510 INFO L435 NwaCegarLoop]: 4855 mSDtfsCounter, 18838 mSDsluCounter, 49468 mSDsCounter, 0 mSdLazyCounter, 8695 mSolverCounterSat, 5354 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 101.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18859 SdHoareTripleChecker+Valid, 54323 SdHoareTripleChecker+Invalid, 14053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 5354 IncrementalHoareTripleChecker+Valid, 8695 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 105.3s IncrementalHoareTripleChecker+Time [2024-12-01 23:18:47,511 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18859 Valid, 54323 Invalid, 14053 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [5354 Valid, 8695 Invalid, 4 Unknown, 0 Unchecked, 105.3s Time] [2024-12-01 23:18:47,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153031 states. [2024-12-01 23:18:52,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153031 to 118705. [2024-12-01 23:18:52,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118705 states, 78221 states have (on average 1.3352935912350903) internal successors, (104448), 80683 states have internal predecessors, (104448), 35941 states have call successors, (35941), 4470 states have call predecessors, (35941), 4542 states have return successors, (37481), 35210 states have call predecessors, (37481), 35940 states have call successors, (37481) [2024-12-01 23:18:53,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118705 states to 118705 states and 177870 transitions. [2024-12-01 23:18:53,281 INFO L78 Accepts]: Start accepts. Automaton has 118705 states and 177870 transitions. Word has length 253 [2024-12-01 23:18:53,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:18:53,281 INFO L471 AbstractCegarLoop]: Abstraction has 118705 states and 177870 transitions. [2024-12-01 23:18:53,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 10.555555555555555) internal successors, (190), 14 states have internal predecessors, (190), 5 states have call successors, (50), 4 states have call predecessors, (50), 7 states have return successors, (45), 6 states have call predecessors, (45), 5 states have call successors, (45) [2024-12-01 23:18:53,282 INFO L276 IsEmpty]: Start isEmpty. Operand 118705 states and 177870 transitions. [2024-12-01 23:18:53,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-12-01 23:18:53,310 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:18:53,311 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:18:53,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-12-01 23:18:53,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:18:53,511 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:18:53,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:18:53,512 INFO L85 PathProgramCache]: Analyzing trace with hash -542820399, now seen corresponding path program 1 times [2024-12-01 23:18:53,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:18:53,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157872163] [2024-12-01 23:18:53,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:18:53,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:18:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:19:00,455 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-12-01 23:19:00,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:19:00,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157872163] [2024-12-01 23:19:00,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157872163] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:19:00,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677065172] [2024-12-01 23:19:00,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:19:00,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:19:00,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:19:00,459 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:19:00,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-01 23:19:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:19:08,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 4436 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-01 23:19:08,458 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:19:10,703 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-12-01 23:19:10,704 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:19:16,116 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2024-12-01 23:19:16,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1677065172] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:19:16,116 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:19:16,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 10] total 18 [2024-12-01 23:19:16,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809414579] [2024-12-01 23:19:16,117 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:19:16,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-01 23:19:16,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:19:16,119 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-01 23:19:16,119 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2024-12-01 23:19:16,119 INFO L87 Difference]: Start difference. First operand 118705 states and 177870 transitions. Second operand has 18 states, 18 states have (on average 10.666666666666666) internal successors, (192), 14 states have internal predecessors, (192), 5 states have call successors, (50), 4 states have call predecessors, (50), 7 states have return successors, (45), 6 states have call predecessors, (45), 5 states have call successors, (45) [2024-12-01 23:19:20,164 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 [] [2024-12-01 23:19:24,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:19:28,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:19:32,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:21:23,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:21:23,014 INFO L93 Difference]: Finished difference Result 262918 states and 393948 transitions. [2024-12-01 23:21:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-12-01 23:21:23,015 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 10.666666666666666) internal successors, (192), 14 states have internal predecessors, (192), 5 states have call successors, (50), 4 states have call predecessors, (50), 7 states have return successors, (45), 6 states have call predecessors, (45), 5 states have call successors, (45) Word has length 254 [2024-12-01 23:21:23,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:21:24,315 INFO L225 Difference]: With dead ends: 262918 [2024-12-01 23:21:24,316 INFO L226 Difference]: Without dead ends: 144207 [2024-12-01 23:21:24,739 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 581 GetRequests, 498 SyntacticMatches, 8 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1774 ImplicationChecksByTransitivity, 16.1s TimeCoverageRelationStatistics Valid=747, Invalid=5105, Unknown=0, NotChecked=0, Total=5852 [2024-12-01 23:21:24,739 INFO L435 NwaCegarLoop]: 4359 mSDtfsCounter, 18635 mSDsluCounter, 52193 mSDsCounter, 0 mSdLazyCounter, 8613 mSolverCounterSat, 5732 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 104.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18656 SdHoareTripleChecker+Valid, 56552 SdHoareTripleChecker+Invalid, 14349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 5732 IncrementalHoareTripleChecker+Valid, 8613 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 108.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:21:24,739 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18656 Valid, 56552 Invalid, 14349 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [5732 Valid, 8613 Invalid, 4 Unknown, 0 Unchecked, 108.1s Time] [2024-12-01 23:21:24,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144207 states. [2024-12-01 23:21:29,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144207 to 109867. [2024-12-01 23:21:29,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109867 states, 72371 states have (on average 1.3349960619585193) internal successors, (96615), 74633 states have internal predecessors, (96615), 33297 states have call successors, (33297), 4138 states have call predecessors, (33297), 4198 states have return successors, (34639), 32630 states have call predecessors, (34639), 33296 states have call successors, (34639) [2024-12-01 23:21:29,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109867 states to 109867 states and 164551 transitions. [2024-12-01 23:21:30,137 INFO L78 Accepts]: Start accepts. Automaton has 109867 states and 164551 transitions. Word has length 254 [2024-12-01 23:21:30,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:21:30,138 INFO L471 AbstractCegarLoop]: Abstraction has 109867 states and 164551 transitions. [2024-12-01 23:21:30,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 10.666666666666666) internal successors, (192), 14 states have internal predecessors, (192), 5 states have call successors, (50), 4 states have call predecessors, (50), 7 states have return successors, (45), 6 states have call predecessors, (45), 5 states have call successors, (45) [2024-12-01 23:21:30,138 INFO L276 IsEmpty]: Start isEmpty. Operand 109867 states and 164551 transitions. [2024-12-01 23:21:30,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-12-01 23:21:30,176 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:21:30,177 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:21:30,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-12-01 23:21:30,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e997bd4-5a71-4e25-9588-fed1f1f0b21b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-12-01 23:21:30,377 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:21:30,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:21:30,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1715746068, now seen corresponding path program 1 times [2024-12-01 23:21:30,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:21:30,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916749161] [2024-12-01 23:21:30,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:21:30,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:21:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:21:35,789 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2024-12-01 23:21:35,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:21:35,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916749161] [2024-12-01 23:21:35,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916749161] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:21:35,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:21:35,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:21:35,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642580117] [2024-12-01 23:21:35,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:21:35,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:21:35,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:21:35,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:21:35,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:21:35,790 INFO L87 Difference]: Start difference. First operand 109867 states and 164551 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-01 23:21:42,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:21:42,549 INFO L93 Difference]: Finished difference Result 319682 states and 477713 transitions. [2024-12-01 23:21:42,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:21:42,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 263 [2024-12-01 23:21:42,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:21:43,748 INFO L225 Difference]: With dead ends: 319682 [2024-12-01 23:21:43,748 INFO L226 Difference]: Without dead ends: 209837 [2024-12-01 23:21:44,223 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:21:44,223 INFO L435 NwaCegarLoop]: 3187 mSDtfsCounter, 2926 mSDsluCounter, 3098 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2926 SdHoareTripleChecker+Valid, 6285 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-01 23:21:44,223 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2926 Valid, 6285 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-01 23:21:44,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209837 states. [2024-12-01 23:21:53,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209837 to 209626. [2024-12-01 23:21:53,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209626 states, 139021 states have (on average 1.3381431582278935) internal successors, (186030), 143538 states have internal predecessors, (186030), 62237 states have call successors, (62237), 8246 states have call predecessors, (62237), 8367 states have return successors, (64662), 60800 states have call predecessors, (64662), 62236 states have call successors, (64662) [2024-12-01 23:21:55,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209626 states to 209626 states and 312929 transitions. [2024-12-01 23:21:55,526 INFO L78 Accepts]: Start accepts. Automaton has 209626 states and 312929 transitions. Word has length 263 [2024-12-01 23:21:55,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:21:55,526 INFO L471 AbstractCegarLoop]: Abstraction has 209626 states and 312929 transitions. [2024-12-01 23:21:55,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-01 23:21:55,527 INFO L276 IsEmpty]: Start isEmpty. Operand 209626 states and 312929 transitions. [2024-12-01 23:21:55,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2024-12-01 23:21:55,563 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:21:55,563 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:21:55,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-01 23:21:55,564 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:21:55,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:21:55,565 INFO L85 PathProgramCache]: Analyzing trace with hash -382708619, now seen corresponding path program 1 times [2024-12-01 23:21:55,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:21:55,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234486400] [2024-12-01 23:21:55,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:21:55,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:22:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:22:01,254 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2024-12-01 23:22:01,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:22:01,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234486400] [2024-12-01 23:22:01,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234486400] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:22:01,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:22:01,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:22:01,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974585622] [2024-12-01 23:22:01,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:22:01,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:22:01,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:22:01,255 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:22:01,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:22:01,255 INFO L87 Difference]: Start difference. First operand 209626 states and 312929 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-01 23:22:08,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:22:08,271 INFO L93 Difference]: Finished difference Result 396833 states and 591007 transitions. [2024-12-01 23:22:08,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:22:08,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 245 [2024-12-01 23:22:08,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:22:09,871 INFO L225 Difference]: With dead ends: 396833 [2024-12-01 23:22:09,871 INFO L226 Difference]: Without dead ends: 187229 [2024-12-01 23:22:10,626 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:22:10,627 INFO L435 NwaCegarLoop]: 3089 mSDtfsCounter, 3082 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3082 SdHoareTripleChecker+Valid, 3089 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:22:10,627 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3082 Valid, 3089 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 23:22:10,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187229 states. [2024-12-01 23:22:19,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187229 to 187229. [2024-12-01 23:22:19,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187229 states, 124053 states have (on average 1.334655348923444) internal successors, (165568), 127882 states have internal predecessors, (165568), 55629 states have call successors, (55629), 7433 states have call predecessors, (55629), 7546 states have return successors, (56806), 54525 states have call predecessors, (56806), 55628 states have call successors, (56806) [2024-12-01 23:22:20,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187229 states to 187229 states and 278003 transitions. [2024-12-01 23:22:21,168 INFO L78 Accepts]: Start accepts. Automaton has 187229 states and 278003 transitions. Word has length 245 [2024-12-01 23:22:21,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:22:21,169 INFO L471 AbstractCegarLoop]: Abstraction has 187229 states and 278003 transitions. [2024-12-01 23:22:21,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-01 23:22:21,169 INFO L276 IsEmpty]: Start isEmpty. Operand 187229 states and 278003 transitions. [2024-12-01 23:22:21,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-12-01 23:22:21,172 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:22:21,172 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:22:21,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-01 23:22:21,172 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:22:21,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:22:21,173 INFO L85 PathProgramCache]: Analyzing trace with hash -846397597, now seen corresponding path program 1 times [2024-12-01 23:22:21,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:22:21,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609433243] [2024-12-01 23:22:21,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:22:21,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:22:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:22:27,832 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2024-12-01 23:22:27,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:22:27,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609433243] [2024-12-01 23:22:27,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609433243] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:22:27,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:22:27,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:22:27,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107521037] [2024-12-01 23:22:27,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:22:27,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:22:27,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:22:27,834 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:22:27,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:22:27,835 INFO L87 Difference]: Start difference. First operand 187229 states and 278003 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-12-01 23:22:40,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:22:40,065 INFO L93 Difference]: Finished difference Result 529710 states and 787876 transitions. [2024-12-01 23:22:40,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:22:40,065 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 265 [2024-12-01 23:22:40,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:22:42,554 INFO L225 Difference]: With dead ends: 529710 [2024-12-01 23:22:42,554 INFO L226 Difference]: Without dead ends: 342503 [2024-12-01 23:22:43,392 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:22:43,393 INFO L435 NwaCegarLoop]: 4420 mSDtfsCounter, 2588 mSDsluCounter, 3049 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2588 SdHoareTripleChecker+Valid, 7469 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-01 23:22:43,393 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2588 Valid, 7469 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-01 23:22:43,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342503 states.