./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c060a91d-175d-4bad-82c2-7991d6ba3e22/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c060a91d-175d-4bad-82c2-7991d6ba3e22/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c060a91d-175d-4bad-82c2-7991d6ba3e22/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c060a91d-175d-4bad-82c2-7991d6ba3e22/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c060a91d-175d-4bad-82c2-7991d6ba3e22/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c060a91d-175d-4bad-82c2-7991d6ba3e22/bin/uautomizer-verify-jihMAELWvX --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 6da8ea4f52a5db2fd6a4377ee50d8947521d614595ba63b4868fab74a4c4951f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:26:29,387 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:26:29,486 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c060a91d-175d-4bad-82c2-7991d6ba3e22/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-08 16:26:29,495 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:26:29,498 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:26:29,535 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:26:29,536 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:26:29,536 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:26:29,537 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:26:29,537 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:26:29,537 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:26:29,538 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:26:29,540 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:26:29,540 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:26:29,544 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:26:29,545 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:26:29,545 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:26:29,545 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:26:29,546 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:26:29,546 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:26:29,547 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:26:29,551 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:26:29,552 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:26:29,552 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:26:29,552 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:26:29,553 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:26:29,553 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:26:29,553 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:26:29,554 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:26:29,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:26:29,554 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:26:29,555 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:26:29,557 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:26:29,558 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:26:29,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:26:29,559 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:26:29,559 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:26:29,559 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:26:29,560 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:26:29,560 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c060a91d-175d-4bad-82c2-7991d6ba3e22/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c060a91d-175d-4bad-82c2-7991d6ba3e22/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6da8ea4f52a5db2fd6a4377ee50d8947521d614595ba63b4868fab74a4c4951f [2024-11-08 16:26:29,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:26:29,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:26:29,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:26:29,879 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:26:29,880 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:26:29,881 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c060a91d-175d-4bad-82c2-7991d6ba3e22/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i Unable to find full path for "g++" [2024-11-08 16:26:32,091 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:26:32,657 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:26:32,658 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c060a91d-175d-4bad-82c2-7991d6ba3e22/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i [2024-11-08 16:26:32,702 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c060a91d-175d-4bad-82c2-7991d6ba3e22/bin/uautomizer-verify-jihMAELWvX/data/fd9c58902/096a1d3063ba4102ae5df30890bb19e7/FLAG92a069d45 [2024-11-08 16:26:32,727 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c060a91d-175d-4bad-82c2-7991d6ba3e22/bin/uautomizer-verify-jihMAELWvX/data/fd9c58902/096a1d3063ba4102ae5df30890bb19e7 [2024-11-08 16:26:32,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:26:32,732 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:26:32,733 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:26:32,734 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:26:32,741 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:26:32,742 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:26:32" (1/1) ... [2024-11-08 16:26:32,743 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@337e3112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:32, skipping insertion in model container [2024-11-08 16:26:32,744 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:26:32" (1/1) ... [2024-11-08 16:26:32,890 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:26:35,437 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_c060a91d-175d-4bad-82c2-7991d6ba3e22/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i[258672,258685] [2024-11-08 16:26:35,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:26:35,641 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:26:35,811 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"); [3515] [2024-11-08 16:26:35,815 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; subl %2,%0; sete %1": "+m" (v->counter), "=qm" (c): "ir" (i): "memory"); [3563-3564] [2024-11-08 16:26:35,816 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; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [3575-3576] [2024-11-08 16:26:35,816 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; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3579-3580] [2024-11-08 16:26:35,816 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; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3583-3584] [2024-11-08 16:26:35,817 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; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3587-3588] [2024-11-08 16:26:36,161 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)); [6907] [2024-11-08 16:26:36,162 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6914] [2024-11-08 16:26:36,162 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 %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6923-6924] [2024-11-08 16:26:36,163 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 %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6940-6941] [2024-11-08 16:26:36,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [6955-6956] [2024-11-08 16:26:36,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6969] [2024-11-08 16:26:36,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6972] [2024-11-08 16:26:36,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6975] [2024-11-08 16:26:36,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6978] [2024-11-08 16:26:36,166 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [7000] [2024-11-08 16:26:36,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7003] [2024-11-08 16:26:36,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7006] [2024-11-08 16:26:36,169 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7009] [2024-11-08 16:26:36,246 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_c060a91d-175d-4bad-82c2-7991d6ba3e22/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i[258672,258685] [2024-11-08 16:26:36,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:26:36,452 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:26:36,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:36 WrapperNode [2024-11-08 16:26:36,453 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:26:36,455 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:26:36,455 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:26:36,455 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:26:36,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:36" (1/1) ... [2024-11-08 16:26:36,586 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:36" (1/1) ... [2024-11-08 16:26:36,888 INFO L138 Inliner]: procedures = 375, calls = 3333, calls flagged for inlining = 175, calls inlined = 167, statements flattened = 6820 [2024-11-08 16:26:36,889 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:26:36,891 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:26:36,891 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:26:36,891 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:26:36,905 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:36" (1/1) ... [2024-11-08 16:26:36,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:36" (1/1) ... [2024-11-08 16:26:36,958 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:36" (1/1) ... [2024-11-08 16:26:38,148 INFO L175 MemorySlicer]: Split 1719 memory accesses to 25 slices as follows [2, 3, 7, 2, 1, 266, 63, 2, 1, 26, 16, 1, 2, 2, 260, 876, 63, 2, 2, 35, 11, 63, 2, 7, 4]. 51 percent of accesses are in the largest equivalence class. The 451 initializations are split as follows [0, 0, 0, 0, 0, 0, 63, 2, 0, 0, 0, 0, 0, 0, 254, 56, 0, 0, 0, 0, 2, 63, 0, 7, 4]. The 720 writes are split as follows [1, 2, 2, 1, 1, 228, 0, 0, 0, 0, 16, 0, 1, 1, 3, 372, 54, 1, 1, 35, 0, 0, 1, 0, 0]. [2024-11-08 16:26:38,149 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:36" (1/1) ... [2024-11-08 16:26:38,149 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:36" (1/1) ... [2024-11-08 16:26:38,295 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:36" (1/1) ... [2024-11-08 16:26:38,313 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:36" (1/1) ... [2024-11-08 16:26:38,347 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:36" (1/1) ... [2024-11-08 16:26:38,362 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:36" (1/1) ... [2024-11-08 16:26:38,414 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:26:38,415 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:26:38,416 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:26:38,416 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:26:38,417 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:36" (1/1) ... [2024-11-08 16:26:38,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:26:38,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c060a91d-175d-4bad-82c2-7991d6ba3e22/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:26:38,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c060a91d-175d-4bad-82c2-7991d6ba3e22/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:26:38,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c060a91d-175d-4bad-82c2-7991d6ba3e22/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:26:38,496 INFO L130 BoogieDeclarations]: Found specification of procedure serial_break [2024-11-08 16:26:38,496 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_break [2024-11-08 16:26:38,497 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_open [2024-11-08 16:26:38,497 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_open [2024-11-08 16:26:38,497 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_throttle [2024-11-08 16:26:38,498 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_throttle [2024-11-08 16:26:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_start [2024-11-08 16:26:38,498 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_start [2024-11-08 16:26:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2024-11-08 16:26:38,499 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2024-11-08 16:26:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2024-11-08 16:26:38,500 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2024-11-08 16:26:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2024-11-08 16:26:38,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2024-11-08 16:26:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2024-11-08 16:26:38,502 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2024-11-08 16:26:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2024-11-08 16:26:38,503 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2024-11-08 16:26:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-08 16:26:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-08 16:26:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-08 16:26:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-08 16:26:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-08 16:26:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-08 16:26:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-08 16:26:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-08 16:26:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-08 16:26:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-08 16:26:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-08 16:26:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-08 16:26:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-08 16:26:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-08 16:26:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-08 16:26:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-08 16:26:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-08 16:26:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-08 16:26:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-08 16:26:38,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-08 16:26:38,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-08 16:26:38,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-08 16:26:38,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-08 16:26:38,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-11-08 16:26:38,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-11-08 16:26:38,506 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2024-11-08 16:26:38,506 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2024-11-08 16:26:38,507 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_dtr_rts [2024-11-08 16:26:38,507 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_dtr_rts [2024-11-08 16:26:38,507 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_remove [2024-11-08 16:26:38,507 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_remove [2024-11-08 16:26:38,507 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write [2024-11-08 16:26:38,507 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write [2024-11-08 16:26:38,507 INFO L130 BoogieDeclarations]: Found specification of procedure serial_chars_in_buffer [2024-11-08 16:26:38,508 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_chars_in_buffer [2024-11-08 16:26:38,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-08 16:26:38,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-08 16:26:38,508 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2024-11-08 16:26:38,509 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2024-11-08 16:26:38,509 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_activate [2024-11-08 16:26:38,510 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_activate [2024-11-08 16:26:38,510 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2024-11-08 16:26:38,510 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2024-11-08 16:26:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2024-11-08 16:26:38,511 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2024-11-08 16:26:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2024-11-08 16:26:38,511 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2024-11-08 16:26:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-08 16:26:38,511 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-08 16:26:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2024-11-08 16:26:38,511 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2024-11-08 16:26:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-08 16:26:38,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-08 16:26:38,512 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2024-11-08 16:26:38,512 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2024-11-08 16:26:38,512 INFO L130 BoogieDeclarations]: Found specification of procedure usb_store_new_id [2024-11-08 16:26:38,512 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_store_new_id [2024-11-08 16:26:38,512 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2024-11-08 16:26:38,512 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2024-11-08 16:26:38,513 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2024-11-08 16:26:38,513 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2024-11-08 16:26:38,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-11-08 16:26:38,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-11-08 16:26:38,514 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-08 16:26:38,514 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-08 16:26:38,514 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_get_by_index [2024-11-08 16:26:38,514 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_get_by_index [2024-11-08 16:26:38,514 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_poison_urbs [2024-11-08 16:26:38,515 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_poison_urbs [2024-11-08 16:26:38,515 INFO L130 BoogieDeclarations]: Found specification of procedure serial_hangup [2024-11-08 16:26:38,515 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_hangup [2024-11-08 16:26:38,515 INFO L130 BoogieDeclarations]: Found specification of procedure serial_ioctl [2024-11-08 16:26:38,515 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_ioctl [2024-11-08 16:26:38,515 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write_room [2024-11-08 16:26:38,516 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write_room [2024-11-08 16:26:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_disc_mutex_of_usb_serial [2024-11-08 16:26:38,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_disc_mutex_of_usb_serial [2024-11-08 16:26:38,517 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-08 16:26:38,517 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-08 16:26:38,517 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2024-11-08 16:26:38,517 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2024-11-08 16:26:38,517 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-11-08 16:26:38,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-11-08 16:26:38,518 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-08 16:26:38,519 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-08 16:26:38,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 16:26:38,519 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-08 16:26:38,519 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-08 16:26:38,519 INFO L130 BoogieDeclarations]: Found specification of procedure serial_unthrottle [2024-11-08 16:26:38,519 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_unthrottle [2024-11-08 16:26:38,519 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2024-11-08 16:26:38,520 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2024-11-08 16:26:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urbs [2024-11-08 16:26:38,520 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urbs [2024-11-08 16:26:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_probe [2024-11-08 16:26:38,520 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_probe [2024-11-08 16:26:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2024-11-08 16:26:38,520 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2024-11-08 16:26:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2024-11-08 16:26:38,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2024-11-08 16:26:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-08 16:26:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-08 16:26:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-08 16:26:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-08 16:26:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-08 16:26:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-08 16:26:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-08 16:26:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-08 16:26:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-08 16:26:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-08 16:26:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-08 16:26:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-08 16:26:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-08 16:26:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-08 16:26:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-08 16:26:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-08 16:26:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-08 16:26:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-08 16:26:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-08 16:26:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-08 16:26:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-08 16:26:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-08 16:26:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-08 16:26:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-08 16:26:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-11-08 16:26:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2024-11-08 16:26:38,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2024-11-08 16:26:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure serial_get_icount [2024-11-08 16:26:38,526 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_get_icount [2024-11-08 16:26:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure serial_throttle [2024-11-08 16:26:38,526 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_throttle [2024-11-08 16:26:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-08 16:26:38,526 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-08 16:26:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urb [2024-11-08 16:26:38,526 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urb [2024-11-08 16:26:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 16:26:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-08 16:26:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-08 16:26:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-08 16:26:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-08 16:26:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-08 16:26:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-08 16:26:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-08 16:26:38,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-08 16:26:38,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-08 16:26:38,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-08 16:26:38,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-08 16:26:38,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-08 16:26:38,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-08 16:26:38,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-08 16:26:38,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-08 16:26:38,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-08 16:26:38,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-08 16:26:38,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-08 16:26:38,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-08 16:26:38,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-08 16:26:38,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-08 16:26:38,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-08 16:26:38,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-08 16:26:38,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-11-08 16:26:38,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-11-08 16:26:38,532 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-08 16:26:38,532 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-08 16:26:38,532 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-08 16:26:38,532 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-08 16:26:38,533 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2024-11-08 16:26:38,533 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2024-11-08 16:26:38,533 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2024-11-08 16:26:38,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2024-11-08 16:26:38,533 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-11-08 16:26:38,533 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-11-08 16:26:38,533 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2024-11-08 16:26:38,533 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2024-11-08 16:26:38,533 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2024-11-08 16:26:38,533 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2024-11-08 16:26:38,533 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-08 16:26:38,534 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-08 16:26:38,534 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_resume [2024-11-08 16:26:38,534 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_resume [2024-11-08 16:26:38,534 INFO L130 BoogieDeclarations]: Found specification of procedure serial_cleanup [2024-11-08 16:26:38,534 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_cleanup [2024-11-08 16:26:38,534 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-08 16:26:38,534 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-08 16:26:38,536 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-08 16:26:38,537 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-08 16:26:38,537 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_carrier_raised [2024-11-08 16:26:38,537 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_carrier_raised [2024-11-08 16:26:38,539 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2024-11-08 16:26:38,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2024-11-08 16:26:38,539 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-08 16:26:38,539 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-08 16:26:38,539 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmget [2024-11-08 16:26:38,539 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmget [2024-11-08 16:26:38,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-11-08 16:26:38,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-11-08 16:26:38,540 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2024-11-08 16:26:38,540 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2024-11-08 16:26:38,540 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2024-11-08 16:26:38,540 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2024-11-08 16:26:38,540 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-08 16:26:38,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-08 16:26:38,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-08 16:26:38,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-08 16:26:38,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-08 16:26:38,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-08 16:26:38,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-08 16:26:38,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-08 16:26:38,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-08 16:26:38,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-08 16:26:38,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-08 16:26:38,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-08 16:26:38,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-08 16:26:38,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-08 16:26:38,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-08 16:26:38,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-08 16:26:38,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-08 16:26:38,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-08 16:26:38,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-08 16:26:38,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-08 16:26:38,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-08 16:26:38,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-08 16:26:38,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-08 16:26:38,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-08 16:26:38,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-08 16:26:38,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-08 16:26:38,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-11-08 16:26:38,544 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-08 16:26:38,544 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-08 16:26:38,544 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2024-11-08 16:26:38,544 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2024-11-08 16:26:38,544 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_reset_resume [2024-11-08 16:26:38,544 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_reset_resume [2024-11-08 16:26:38,544 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_read_bulk_callback [2024-11-08 16:26:38,545 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_read_bulk_callback [2024-11-08 16:26:38,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2024-11-08 16:26:38,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2024-11-08 16:26:38,545 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2024-11-08 16:26:38,545 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2024-11-08 16:26:38,545 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2024-11-08 16:26:38,545 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2024-11-08 16:26:38,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 16:26:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 16:26:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-08 16:26:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-08 16:26:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-08 16:26:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-08 16:26:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-08 16:26:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-08 16:26:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-08 16:26:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-08 16:26:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-08 16:26:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-08 16:26:38,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-08 16:26:38,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-08 16:26:38,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-08 16:26:38,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-08 16:26:38,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-08 16:26:38,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-08 16:26:38,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-08 16:26:38,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-08 16:26:38,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-08 16:26:38,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-08 16:26:38,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-08 16:26:38,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-08 16:26:38,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-08 16:26:38,548 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2024-11-08 16:26:38,548 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2024-11-08 16:26:38,548 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2024-11-08 16:26:38,548 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2024-11-08 16:26:38,548 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-08 16:26:38,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-08 16:26:38,548 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_match [2024-11-08 16:26:38,548 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_match [2024-11-08 16:26:38,548 INFO L130 BoogieDeclarations]: Found specification of procedure serial_open [2024-11-08 16:26:38,548 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_open [2024-11-08 16:26:38,548 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-08 16:26:38,548 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-08 16:26:38,549 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-11-08 16:26:38,549 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-11-08 16:26:38,549 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_shutdown [2024-11-08 16:26:38,549 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_shutdown [2024-11-08 16:26:38,549 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2024-11-08 16:26:38,549 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2024-11-08 16:26:38,549 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-08 16:26:38,552 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-08 16:26:38,552 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2024-11-08 16:26:38,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2024-11-08 16:26:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 16:26:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 16:26:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 16:26:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-08 16:26:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-08 16:26:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-08 16:26:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-08 16:26:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-08 16:26:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-08 16:26:38,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-08 16:26:38,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-08 16:26:38,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-08 16:26:38,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-08 16:26:38,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-08 16:26:38,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-08 16:26:38,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-08 16:26:38,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-08 16:26:38,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-08 16:26:38,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-08 16:26:38,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-08 16:26:38,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-08 16:26:38,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-08 16:26:38,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-08 16:26:38,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-08 16:26:38,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-08 16:26:38,556 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-08 16:26:38,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-08 16:26:38,556 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2024-11-08 16:26:38,556 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2024-11-08 16:26:38,556 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2024-11-08 16:26:38,556 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-11-08 16:26:38,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-11-08 16:26:38,556 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2024-11-08 16:26:38,557 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2024-11-08 16:26:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-08 16:26:38,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-08 16:26:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2024-11-08 16:26:38,557 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2024-11-08 16:26:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_unthrottle [2024-11-08 16:26:38,557 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_unthrottle [2024-11-08 16:26:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_disc_mutex_of_usb_serial [2024-11-08 16:26:38,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_disc_mutex_of_usb_serial [2024-11-08 16:26:38,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 16:26:38,558 INFO L130 BoogieDeclarations]: Found specification of procedure serial_install [2024-11-08 16:26:38,558 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_install [2024-11-08 16:26:38,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:26:38,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-08 16:26:38,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-08 16:26:38,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-08 16:26:38,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-08 16:26:38,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-08 16:26:38,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-08 16:26:38,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-08 16:26:38,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-08 16:26:38,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-08 16:26:38,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-08 16:26:38,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-08 16:26:38,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-08 16:26:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-08 16:26:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-08 16:26:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-08 16:26:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-08 16:26:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-08 16:26:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-08 16:26:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-08 16:26:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-08 16:26:38,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-08 16:26:38,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-08 16:26:38,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-08 16:26:38,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-08 16:26:38,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-11-08 16:26:38,561 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2024-11-08 16:26:38,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_percpu_size [2024-11-08 16:26:38,561 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-08 16:26:38,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-08 16:26:38,562 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-08 16:26:38,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-08 16:26:38,562 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmset [2024-11-08 16:26:38,563 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmset [2024-11-08 16:26:38,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_table_lock [2024-11-08 16:26:38,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_table_lock [2024-11-08 16:26:38,563 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-08 16:26:38,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-08 16:26:38,565 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2024-11-08 16:26:38,565 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2024-11-08 16:26:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_table_lock [2024-11-08 16:26:38,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_table_lock [2024-11-08 16:26:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-08 16:26:38,566 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-08 16:26:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_put [2024-11-08 16:26:38,566 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_put [2024-11-08 16:26:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_unpoison_port_urbs [2024-11-08 16:26:38,566 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_unpoison_port_urbs [2024-11-08 16:26:38,567 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-08 16:26:38,567 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-08 16:26:38,567 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write [2024-11-08 16:26:38,567 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write [2024-11-08 16:26:38,567 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-08 16:26:38,567 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-08 16:26:38,567 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_serial [2024-11-08 16:26:38,567 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_serial [2024-11-08 16:26:38,567 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-08 16:26:38,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-08 16:26:38,567 INFO L130 BoogieDeclarations]: Found specification of procedure get_iface_id [2024-11-08 16:26:38,567 INFO L138 BoogieDeclarations]: Found implementation of procedure get_iface_id [2024-11-08 16:26:38,568 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-08 16:26:38,568 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-08 16:26:38,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 16:26:38,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 16:26:38,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 16:26:38,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 16:26:38,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-08 16:26:38,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-08 16:26:38,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-08 16:26:38,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-08 16:26:38,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-08 16:26:38,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-08 16:26:38,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-08 16:26:38,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-08 16:26:38,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-08 16:26:38,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-08 16:26:38,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-08 16:26:38,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-08 16:26:38,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-08 16:26:38,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-08 16:26:38,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-08 16:26:38,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-08 16:26:38,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-08 16:26:38,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-08 16:26:38,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-08 16:26:38,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-08 16:26:38,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-08 16:26:38,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-08 16:26:38,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-08 16:26:38,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:26:38,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:26:38,573 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2024-11-08 16:26:38,573 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2024-11-08 16:26:38,574 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2024-11-08 16:26:38,574 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2024-11-08 16:26:39,714 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:26:39,717 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:26:59,996 INFO L? ?]: Removed 2303 outVars from TransFormulas that were not future-live. [2024-11-08 16:26:59,997 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:27:00,067 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:27:00,070 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 16:27:00,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:27:00 BoogieIcfgContainer [2024-11-08 16:27:00,071 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:27:00,073 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:27:00,073 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:27:00,078 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:27:00,078 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:26:32" (1/3) ... [2024-11-08 16:27:00,079 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26812d36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:27:00, skipping insertion in model container [2024-11-08 16:27:00,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:26:36" (2/3) ... [2024-11-08 16:27:00,079 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26812d36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:27:00, skipping insertion in model container [2024-11-08 16:27:00,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:27:00" (3/3) ... [2024-11-08 16:27:00,082 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i [2024-11-08 16:27:00,101 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:27:00,101 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 16:27:00,250 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:27:00,258 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;@6cdb2f6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:27:00,258 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 16:27:00,272 INFO L276 IsEmpty]: Start isEmpty. Operand has 2032 states, 1383 states have (on average 1.2913955169920464) internal successors, (1786), 1420 states have internal predecessors, (1786), 528 states have call successors, (528), 119 states have call predecessors, (528), 119 states have return successors, (528), 514 states have call predecessors, (528), 528 states have call successors, (528) [2024-11-08 16:27:00,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 16:27:00,282 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:27:00,283 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:27:00,283 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:27:00,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:27:00,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1952228233, now seen corresponding path program 1 times [2024-11-08 16:27:00,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:27:00,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334170028] [2024-11-08 16:27:00,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:27:00,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:27:07,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:27:08,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 16:27:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:27:08,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:27:08,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:27:08,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 16:27:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:27:08,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:27:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:27:08,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:27:08,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:27:08,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334170028] [2024-11-08 16:27:08,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334170028] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:27:08,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:27:08,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:27:08,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835502438] [2024-11-08 16:27:08,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:27:08,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:27:08,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:27:08,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:27:08,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:27:08,911 INFO L87 Difference]: Start difference. First operand has 2032 states, 1383 states have (on average 1.2913955169920464) internal successors, (1786), 1420 states have internal predecessors, (1786), 528 states have call successors, (528), 119 states have call predecessors, (528), 119 states have return successors, (528), 514 states have call predecessors, (528), 528 states have call successors, (528) Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 16:27:13,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:27:17,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:27:21,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:28:33,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:33,317 INFO L93 Difference]: Finished difference Result 6453 states and 9492 transitions. [2024-11-08 16:28:33,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:28:33,321 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 32 [2024-11-08 16:28:33,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:33,394 INFO L225 Difference]: With dead ends: 6453 [2024-11-08 16:28:33,394 INFO L226 Difference]: Without dead ends: 4424 [2024-11-08 16:28:33,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:28:33,428 INFO L432 NwaCegarLoop]: 1058 mSDtfsCounter, 5959 mSDsluCounter, 1737 mSDsCounter, 0 mSdLazyCounter, 5740 mSolverCounterSat, 3450 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 79.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6351 SdHoareTripleChecker+Valid, 2795 SdHoareTripleChecker+Invalid, 9193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3450 IncrementalHoareTripleChecker+Valid, 5740 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 82.8s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:33,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6351 Valid, 2795 Invalid, 9193 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3450 Valid, 5740 Invalid, 3 Unknown, 0 Unchecked, 82.8s Time] [2024-11-08 16:28:33,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4424 states. [2024-11-08 16:28:33,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4424 to 3885. [2024-11-08 16:28:33,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3885 states, 2655 states have (on average 1.2783427495291901) internal successors, (3394), 2718 states have internal predecessors, (3394), 976 states have call successors, (976), 233 states have call predecessors, (976), 253 states have return successors, (1079), 958 states have call predecessors, (1079), 960 states have call successors, (1079) [2024-11-08 16:28:33,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3885 states to 3885 states and 5449 transitions. [2024-11-08 16:28:33,982 INFO L78 Accepts]: Start accepts. Automaton has 3885 states and 5449 transitions. Word has length 32 [2024-11-08 16:28:33,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:33,983 INFO L471 AbstractCegarLoop]: Abstraction has 3885 states and 5449 transitions. [2024-11-08 16:28:33,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 16:28:33,983 INFO L276 IsEmpty]: Start isEmpty. Operand 3885 states and 5449 transitions. [2024-11-08 16:28:33,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 16:28:33,985 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:33,985 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:33,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:28:33,986 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:33,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:33,987 INFO L85 PathProgramCache]: Analyzing trace with hash -390959057, now seen corresponding path program 1 times [2024-11-08 16:28:33,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:28:33,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27664909] [2024-11-08 16:28:33,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:33,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:28:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:41,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 16:28:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:41,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:28:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:42,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 16:28:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:42,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:28:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:42,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:28:42,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:28:42,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27664909] [2024-11-08 16:28:42,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27664909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:42,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:42,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:28:42,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22424979] [2024-11-08 16:28:42,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:42,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:28:42,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:28:42,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:28:42,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:28:42,079 INFO L87 Difference]: Start difference. First operand 3885 states and 5449 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 16:28:46,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:28:50,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:28:54,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:29:45,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:29:45,210 INFO L93 Difference]: Finished difference Result 4495 states and 6438 transitions. [2024-11-08 16:29:45,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:29:45,211 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 33 [2024-11-08 16:29:45,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:29:45,312 INFO L225 Difference]: With dead ends: 4495 [2024-11-08 16:29:45,312 INFO L226 Difference]: Without dead ends: 4492 [2024-11-08 16:29:45,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:29:45,318 INFO L432 NwaCegarLoop]: 1032 mSDtfsCounter, 4284 mSDsluCounter, 978 mSDsCounter, 0 mSdLazyCounter, 3850 mSolverCounterSat, 2335 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4562 SdHoareTripleChecker+Valid, 2010 SdHoareTripleChecker+Invalid, 6188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2335 IncrementalHoareTripleChecker+Valid, 3850 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.9s IncrementalHoareTripleChecker+Time [2024-11-08 16:29:45,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4562 Valid, 2010 Invalid, 6188 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2335 Valid, 3850 Invalid, 3 Unknown, 0 Unchecked, 61.9s Time] [2024-11-08 16:29:45,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4492 states. [2024-11-08 16:29:45,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4492 to 3884. [2024-11-08 16:29:45,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3884 states, 2655 states have (on average 1.2779661016949153) internal successors, (3393), 2717 states have internal predecessors, (3393), 975 states have call successors, (975), 233 states have call predecessors, (975), 253 states have return successors, (1079), 958 states have call predecessors, (1079), 960 states have call successors, (1079) [2024-11-08 16:29:45,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3884 states to 3884 states and 5447 transitions. [2024-11-08 16:29:45,678 INFO L78 Accepts]: Start accepts. Automaton has 3884 states and 5447 transitions. Word has length 33 [2024-11-08 16:29:45,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:29:45,678 INFO L471 AbstractCegarLoop]: Abstraction has 3884 states and 5447 transitions. [2024-11-08 16:29:45,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 16:29:45,679 INFO L276 IsEmpty]: Start isEmpty. Operand 3884 states and 5447 transitions. [2024-11-08 16:29:45,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 16:29:45,681 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:29:45,681 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:29:45,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 16:29:45,682 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:29:45,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:29:45,682 INFO L85 PathProgramCache]: Analyzing trace with hash 763750010, now seen corresponding path program 1 times [2024-11-08 16:29:45,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:29:45,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410951190] [2024-11-08 16:29:45,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:29:45,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:29:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:29:52,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 16:29:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:29:52,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:29:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:29:52,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 16:29:52,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:29:52,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:29:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:29:52,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:29:52,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:29:52,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410951190] [2024-11-08 16:29:52,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410951190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:29:52,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:29:52,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:29:52,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209169588] [2024-11-08 16:29:52,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:29:52,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:29:52,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:29:52,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:29:52,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:29:52,459 INFO L87 Difference]: Start difference. First operand 3884 states and 5447 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 16:29:56,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:30:00,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:30:05,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:30:55,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:30:55,178 INFO L93 Difference]: Finished difference Result 4494 states and 6436 transitions. [2024-11-08 16:30:55,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:30:55,179 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 34 [2024-11-08 16:30:55,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:30:55,213 INFO L225 Difference]: With dead ends: 4494 [2024-11-08 16:30:55,213 INFO L226 Difference]: Without dead ends: 4491 [2024-11-08 16:30:55,218 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:30:55,219 INFO L432 NwaCegarLoop]: 1029 mSDtfsCounter, 4283 mSDsluCounter, 977 mSDsCounter, 0 mSdLazyCounter, 3824 mSolverCounterSat, 2337 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4567 SdHoareTripleChecker+Valid, 2006 SdHoareTripleChecker+Invalid, 6164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2337 IncrementalHoareTripleChecker+Valid, 3824 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:30:55,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4567 Valid, 2006 Invalid, 6164 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2337 Valid, 3824 Invalid, 3 Unknown, 0 Unchecked, 61.5s Time] [2024-11-08 16:30:55,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4491 states. [2024-11-08 16:30:55,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4491 to 3883. [2024-11-08 16:30:55,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3883 states, 2655 states have (on average 1.2775894538606403) internal successors, (3392), 2716 states have internal predecessors, (3392), 974 states have call successors, (974), 233 states have call predecessors, (974), 253 states have return successors, (1079), 958 states have call predecessors, (1079), 960 states have call successors, (1079) [2024-11-08 16:30:55,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3883 states to 3883 states and 5445 transitions. [2024-11-08 16:30:55,626 INFO L78 Accepts]: Start accepts. Automaton has 3883 states and 5445 transitions. Word has length 34 [2024-11-08 16:30:55,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:30:55,627 INFO L471 AbstractCegarLoop]: Abstraction has 3883 states and 5445 transitions. [2024-11-08 16:30:55,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 16:30:55,629 INFO L276 IsEmpty]: Start isEmpty. Operand 3883 states and 5445 transitions. [2024-11-08 16:30:55,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-08 16:30:55,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:30:55,630 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:30:55,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 16:30:55,630 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:30:55,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:55,631 INFO L85 PathProgramCache]: Analyzing trace with hash -2094969710, now seen corresponding path program 1 times [2024-11-08 16:30:55,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:55,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317963320] [2024-11-08 16:30:55,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:55,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:31:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:01,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 16:31:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:01,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:31:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:01,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 16:31:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:01,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:31:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:31:01,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:31:01,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:31:01,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317963320] [2024-11-08 16:31:01,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317963320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:31:01,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:31:01,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:31:01,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333785639] [2024-11-08 16:31:01,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:31:01,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:31:01,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:31:01,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:31:01,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:31:01,916 INFO L87 Difference]: Start difference. First operand 3883 states and 5445 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 16:31:06,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:31:10,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:31:14,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:32:07,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:32:07,206 INFO L93 Difference]: Finished difference Result 4648 states and 6595 transitions. [2024-11-08 16:32:07,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:32:07,207 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35 [2024-11-08 16:32:07,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:32:07,246 INFO L225 Difference]: With dead ends: 4648 [2024-11-08 16:32:07,246 INFO L226 Difference]: Without dead ends: 4629 [2024-11-08 16:32:07,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:32:07,253 INFO L432 NwaCegarLoop]: 1048 mSDtfsCounter, 4198 mSDsluCounter, 1059 mSDsCounter, 0 mSdLazyCounter, 4113 mSolverCounterSat, 2265 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4455 SdHoareTripleChecker+Valid, 2107 SdHoareTripleChecker+Invalid, 6381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2265 IncrementalHoareTripleChecker+Valid, 4113 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 64.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:32:07,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4455 Valid, 2107 Invalid, 6381 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2265 Valid, 4113 Invalid, 3 Unknown, 0 Unchecked, 64.1s Time] [2024-11-08 16:32:07,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4629 states. [2024-11-08 16:32:07,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4629 to 4013. [2024-11-08 16:32:07,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4013 states, 2753 states have (on average 1.271703596077007) internal successors, (3501), 2811 states have internal predecessors, (3501), 981 states have call successors, (981), 258 states have call predecessors, (981), 278 states have return successors, (1089), 968 states have call predecessors, (1089), 970 states have call successors, (1089) [2024-11-08 16:32:07,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4013 states to 4013 states and 5571 transitions. [2024-11-08 16:32:07,775 INFO L78 Accepts]: Start accepts. Automaton has 4013 states and 5571 transitions. Word has length 35 [2024-11-08 16:32:07,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:32:07,777 INFO L471 AbstractCegarLoop]: Abstraction has 4013 states and 5571 transitions. [2024-11-08 16:32:07,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 16:32:07,778 INFO L276 IsEmpty]: Start isEmpty. Operand 4013 states and 5571 transitions. [2024-11-08 16:32:07,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-08 16:32:07,789 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:32:07,790 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:32:07,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 16:32:07,790 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:32:07,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:32:07,790 INFO L85 PathProgramCache]: Analyzing trace with hash 2095412292, now seen corresponding path program 1 times [2024-11-08 16:32:07,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:32:07,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242914350] [2024-11-08 16:32:07,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:32:07,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:32:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:15,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 16:32:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:15,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:32:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:15,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 16:32:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:15,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:32:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:15,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 16:32:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:15,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 16:32:15,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:15,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-08 16:32:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:15,865 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 16:32:15,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:32:15,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242914350] [2024-11-08 16:32:15,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242914350] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:32:15,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:32:15,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:32:15,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015288549] [2024-11-08 16:32:15,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:32:15,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:32:15,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:32:15,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:32:15,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:32:15,869 INFO L87 Difference]: Start difference. First operand 4013 states and 5571 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-08 16:32:19,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:32:24,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:32:28,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:34:03,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:34:03,268 INFO L93 Difference]: Finished difference Result 9267 states and 13197 transitions. [2024-11-08 16:34:03,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:34:03,269 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 58 [2024-11-08 16:34:03,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:34:03,307 INFO L225 Difference]: With dead ends: 9267 [2024-11-08 16:34:03,307 INFO L226 Difference]: Without dead ends: 5452 [2024-11-08 16:34:03,328 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:34:03,328 INFO L432 NwaCegarLoop]: 1139 mSDtfsCounter, 2441 mSDsluCounter, 3814 mSDsCounter, 0 mSdLazyCounter, 7769 mSolverCounterSat, 1679 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 103.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2727 SdHoareTripleChecker+Valid, 4953 SdHoareTripleChecker+Invalid, 9451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1679 IncrementalHoareTripleChecker+Valid, 7769 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 106.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:34:03,329 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2727 Valid, 4953 Invalid, 9451 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1679 Valid, 7769 Invalid, 3 Unknown, 0 Unchecked, 106.3s Time] [2024-11-08 16:34:03,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5452 states. [2024-11-08 16:34:03,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5452 to 4722. [2024-11-08 16:34:03,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4722 states, 3273 states have (on average 1.279254506568897) internal successors, (4187), 3322 states have internal predecessors, (4187), 1156 states have call successors, (1156), 258 states have call predecessors, (1156), 292 states have return successors, (1314), 1166 states have call predecessors, (1314), 1145 states have call successors, (1314) [2024-11-08 16:34:03,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4722 states to 4722 states and 6657 transitions. [2024-11-08 16:34:03,798 INFO L78 Accepts]: Start accepts. Automaton has 4722 states and 6657 transitions. Word has length 58 [2024-11-08 16:34:03,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:34:03,798 INFO L471 AbstractCegarLoop]: Abstraction has 4722 states and 6657 transitions. [2024-11-08 16:34:03,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-08 16:34:03,799 INFO L276 IsEmpty]: Start isEmpty. Operand 4722 states and 6657 transitions. [2024-11-08 16:34:03,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-08 16:34:03,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:34:03,803 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-08 16:34:03,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 16:34:03,804 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:34:03,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:34:03,804 INFO L85 PathProgramCache]: Analyzing trace with hash -684637143, now seen corresponding path program 1 times [2024-11-08 16:34:03,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:34:03,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331679693] [2024-11-08 16:34:03,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:34:03,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:34:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:34:10,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 16:34:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:34:10,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:34:10,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:34:10,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 16:34:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:34:10,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:34:10,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:34:10,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 16:34:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:34:10,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 16:34:10,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:34:10,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 16:34:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:34:10,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 16:34:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:34:10,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 16:34:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:34:10,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 16:34:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:34:10,995 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 16:34:10,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:34:10,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331679693] [2024-11-08 16:34:10,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331679693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:34:10,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:34:10,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:34:10,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720601573] [2024-11-08 16:34:10,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:34:10,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:34:10,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:34:10,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:34:10,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:34:11,000 INFO L87 Difference]: Start difference. First operand 4722 states and 6657 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-08 16:34:15,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:34:19,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:34:23,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:35:35,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:35:35,562 INFO L93 Difference]: Finished difference Result 10157 states and 14533 transitions. [2024-11-08 16:35:35,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 16:35:35,563 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 77 [2024-11-08 16:35:35,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:35:35,605 INFO L225 Difference]: With dead ends: 10157 [2024-11-08 16:35:35,605 INFO L226 Difference]: Without dead ends: 5454 [2024-11-08 16:35:35,634 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:35:35,635 INFO L432 NwaCegarLoop]: 1133 mSDtfsCounter, 3557 mSDsluCounter, 2509 mSDsCounter, 0 mSdLazyCounter, 5578 mSolverCounterSat, 2668 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 80.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3839 SdHoareTripleChecker+Valid, 3642 SdHoareTripleChecker+Invalid, 8249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2668 IncrementalHoareTripleChecker+Valid, 5578 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 83.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:35:35,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3839 Valid, 3642 Invalid, 8249 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2668 Valid, 5578 Invalid, 3 Unknown, 0 Unchecked, 83.4s Time] [2024-11-08 16:35:35,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5454 states. [2024-11-08 16:35:36,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5454 to 4723. [2024-11-08 16:35:36,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4723 states, 3274 states have (on average 1.2791692119731215) internal successors, (4188), 3323 states have internal predecessors, (4188), 1156 states have call successors, (1156), 258 states have call predecessors, (1156), 292 states have return successors, (1314), 1166 states have call predecessors, (1314), 1145 states have call successors, (1314) [2024-11-08 16:35:36,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4723 states to 4723 states and 6658 transitions. [2024-11-08 16:35:36,180 INFO L78 Accepts]: Start accepts. Automaton has 4723 states and 6658 transitions. Word has length 77 [2024-11-08 16:35:36,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:35:36,181 INFO L471 AbstractCegarLoop]: Abstraction has 4723 states and 6658 transitions. [2024-11-08 16:35:36,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-08 16:35:36,183 INFO L276 IsEmpty]: Start isEmpty. Operand 4723 states and 6658 transitions. [2024-11-08 16:35:36,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-08 16:35:36,188 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:35:36,188 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-08 16:35:36,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 16:35:36,189 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:35:36,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:35:36,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1134388109, now seen corresponding path program 1 times [2024-11-08 16:35:36,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:35:36,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702028691] [2024-11-08 16:35:36,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:35:36,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:35:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:35:43,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 16:35:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:35:43,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:35:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:35:43,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 16:35:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:35:43,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:35:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:35:43,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 16:35:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:35:43,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 16:35:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:35:43,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-08 16:35:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:35:43,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 16:35:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:35:43,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 16:35:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:35:43,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 16:35:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:35:43,858 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 16:35:43,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:35:43,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702028691] [2024-11-08 16:35:43,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702028691] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:35:43,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782482902] [2024-11-08 16:35:43,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:35:43,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:35:43,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c060a91d-175d-4bad-82c2-7991d6ba3e22/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:35:43,862 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c060a91d-175d-4bad-82c2-7991d6ba3e22/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:35:43,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c060a91d-175d-4bad-82c2-7991d6ba3e22/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:35:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:35:52,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 5528 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 16:35:52,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:35:52,747 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 16:35:52,747 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:35:53,737 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 16:35:53,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782482902] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:35:53,738 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:35:53,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 10 [2024-11-08 16:35:53,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519128590] [2024-11-08 16:35:53,739 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:35:53,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:35:53,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:35:53,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:35:53,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:35:53,741 INFO L87 Difference]: Start difference. First operand 4723 states and 6658 transitions. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 7 states have internal predecessors, (74), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 16:35:57,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:36:02,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:36:06,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:37:46,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:37:46,475 INFO L93 Difference]: Finished difference Result 10162 states and 14540 transitions. [2024-11-08 16:37:46,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 16:37:46,475 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 7 states have internal predecessors, (74), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 79 [2024-11-08 16:37:46,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:37:46,514 INFO L225 Difference]: With dead ends: 10162 [2024-11-08 16:37:46,514 INFO L226 Difference]: Without dead ends: 5459 [2024-11-08 16:37:46,540 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:37:46,541 INFO L432 NwaCegarLoop]: 1140 mSDtfsCounter, 2444 mSDsluCounter, 3814 mSDsCounter, 0 mSdLazyCounter, 7809 mSolverCounterSat, 1688 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 108.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2727 SdHoareTripleChecker+Valid, 4954 SdHoareTripleChecker+Invalid, 9500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1688 IncrementalHoareTripleChecker+Valid, 7809 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 111.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:37:46,542 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2727 Valid, 4954 Invalid, 9500 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1688 Valid, 7809 Invalid, 3 Unknown, 0 Unchecked, 111.4s Time] [2024-11-08 16:37:46,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5459 states. [2024-11-08 16:37:46,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5459 to 4729. [2024-11-08 16:37:46,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4729 states, 3280 states have (on average 1.2786585365853658) internal successors, (4194), 3329 states have internal predecessors, (4194), 1156 states have call successors, (1156), 258 states have call predecessors, (1156), 292 states have return successors, (1314), 1166 states have call predecessors, (1314), 1145 states have call successors, (1314) [2024-11-08 16:37:47,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4729 states to 4729 states and 6664 transitions. [2024-11-08 16:37:47,029 INFO L78 Accepts]: Start accepts. Automaton has 4729 states and 6664 transitions. Word has length 79 [2024-11-08 16:37:47,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:37:47,030 INFO L471 AbstractCegarLoop]: Abstraction has 4729 states and 6664 transitions. [2024-11-08 16:37:47,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 7 states have internal predecessors, (74), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 16:37:47,030 INFO L276 IsEmpty]: Start isEmpty. Operand 4729 states and 6664 transitions. [2024-11-08 16:37:47,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-08 16:37:47,033 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:37:47,033 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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] [2024-11-08 16:37:47,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c060a91d-175d-4bad-82c2-7991d6ba3e22/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 16:37:47,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c060a91d-175d-4bad-82c2-7991d6ba3e22/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:37:47,234 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:37:47,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:37:47,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1288506297, now seen corresponding path program 2 times [2024-11-08 16:37:47,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:37:47,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767469048] [2024-11-08 16:37:47,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:37:47,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:37:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:37:54,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 16:37:54,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:37:54,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:37:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:37:54,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 16:37:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:37:54,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:37:54,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:37:54,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 16:37:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:37:54,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 16:37:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:37:54,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 16:37:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:37:54,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 16:37:54,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:37:54,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 16:37:54,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:37:54,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 16:37:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:37:54,815 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 16:37:54,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:37:54,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767469048] [2024-11-08 16:37:54,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767469048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:37:54,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:37:54,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:37:54,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953685555] [2024-11-08 16:37:54,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:37:54,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:37:54,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:37:54,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:37:54,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:37:54,818 INFO L87 Difference]: Start difference. First operand 4729 states and 6664 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-08 16:37:58,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:38:03,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:38:07,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:38:11,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:39:57,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:39:57,979 INFO L93 Difference]: Finished difference Result 10225 states and 14720 transitions. [2024-11-08 16:39:57,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:39:57,980 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 85 [2024-11-08 16:39:57,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:39:58,015 INFO L225 Difference]: With dead ends: 10225 [2024-11-08 16:39:58,015 INFO L226 Difference]: Without dead ends: 5703 [2024-11-08 16:39:58,040 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:39:58,041 INFO L432 NwaCegarLoop]: 1416 mSDtfsCounter, 6552 mSDsluCounter, 2906 mSDsCounter, 0 mSdLazyCounter, 8155 mSolverCounterSat, 4259 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 117.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6955 SdHoareTripleChecker+Valid, 4322 SdHoareTripleChecker+Invalid, 12418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4259 IncrementalHoareTripleChecker+Valid, 8155 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 121.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:39:58,041 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6955 Valid, 4322 Invalid, 12418 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4259 Valid, 8155 Invalid, 4 Unknown, 0 Unchecked, 121.2s Time] [2024-11-08 16:39:58,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5703 states. [2024-11-08 16:39:58,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5703 to 4647. [2024-11-08 16:39:58,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4647 states, 3219 states have (on average 1.2817645231438335) internal successors, (4126), 3278 states have internal predecessors, (4126), 1148 states have call successors, (1148), 257 states have call predecessors, (1148), 279 states have return successors, (1219), 1136 states have call predecessors, (1219), 1127 states have call successors, (1219) [2024-11-08 16:39:58,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4647 states to 4647 states and 6493 transitions. [2024-11-08 16:39:58,536 INFO L78 Accepts]: Start accepts. Automaton has 4647 states and 6493 transitions. Word has length 85 [2024-11-08 16:39:58,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:39:58,536 INFO L471 AbstractCegarLoop]: Abstraction has 4647 states and 6493 transitions. [2024-11-08 16:39:58,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-08 16:39:58,537 INFO L276 IsEmpty]: Start isEmpty. Operand 4647 states and 6493 transitions. [2024-11-08 16:39:58,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 16:39:58,541 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:39:58,541 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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] [2024-11-08 16:39:58,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 16:39:58,541 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:39:58,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:39:58,542 INFO L85 PathProgramCache]: Analyzing trace with hash 941040811, now seen corresponding path program 1 times [2024-11-08 16:39:58,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:39:58,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522116568] [2024-11-08 16:39:58,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:39:58,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:40:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:06,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 16:40:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:06,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:40:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:06,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 16:40:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:06,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:40:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:06,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 16:40:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:06,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 16:40:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:06,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 16:40:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:06,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 16:40:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:06,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 16:40:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:06,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 16:40:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:06,717 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 16:40:06,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:40:06,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522116568] [2024-11-08 16:40:06,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522116568] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:40:06,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181817454] [2024-11-08 16:40:06,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:40:06,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:40:06,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c060a91d-175d-4bad-82c2-7991d6ba3e22/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:40:06,721 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c060a91d-175d-4bad-82c2-7991d6ba3e22/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:40:06,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c060a91d-175d-4bad-82c2-7991d6ba3e22/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 16:40:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:40:14,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 5556 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 16:40:14,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:40:14,903 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 16:40:14,904 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:40:16,649 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 16:40:16,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181817454] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:40:16,649 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:40:16,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 16 [2024-11-08 16:40:16,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223647514] [2024-11-08 16:40:16,650 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:40:16,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 16:40:16,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:40:16,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 16:40:16,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2024-11-08 16:40:16,652 INFO L87 Difference]: Start difference. First operand 4647 states and 6493 transitions. Second operand has 16 states, 16 states have (on average 5.3125) internal successors, (85), 13 states have internal predecessors, (85), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 16:40:20,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:40:25,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 16:40:29,334 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 []