./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d90977f-3120-4568-ab0d-5ab81fbc60ad/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d90977f-3120-4568-ab0d-5ab81fbc60ad/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d90977f-3120-4568-ab0d-5ab81fbc60ad/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d90977f-3120-4568-ab0d-5ab81fbc60ad/bin/uautomizer-verify-84ZbGMXZE1/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_1d90977f-3120-4568-ab0d-5ab81fbc60ad/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d90977f-3120-4568-ab0d-5ab81fbc60ad/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6da8ea4f52a5db2fd6a4377ee50d8947521d614595ba63b4868fab74a4c4951f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:35:08,071 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:35:08,127 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d90977f-3120-4568-ab0d-5ab81fbc60ad/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 10:35:08,131 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:35:08,132 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:35:08,152 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:35:08,152 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:35:08,153 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:35:08,153 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:35:08,153 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:35:08,153 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:35:08,153 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:35:08,154 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:35:08,154 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:35:08,154 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:35:08,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:35:08,154 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:35:08,154 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 10:35:08,154 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:35:08,154 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:35:08,154 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:35:08,154 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:35:08,154 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:35:08,155 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:35:08,155 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:35:08,155 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:35:08,155 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:35:08,155 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:35:08,155 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:35:08,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:35:08,155 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:35:08,155 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:35:08,155 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:35:08,155 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:35:08,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:35:08,156 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:35:08,156 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:35:08,156 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:35:08,156 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:35:08,156 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 10:35:08,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 10:35:08,156 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:35:08,156 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:35:08,156 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:35:08,156 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:35:08,156 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d90977f-3120-4568-ab0d-5ab81fbc60ad/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6da8ea4f52a5db2fd6a4377ee50d8947521d614595ba63b4868fab74a4c4951f [2024-12-02 10:35:08,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:35:08,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:35:08,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:35:08,391 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:35:08,391 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:35:08,393 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d90977f-3120-4568-ab0d-5ab81fbc60ad/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i [2024-12-02 10:35:11,007 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d90977f-3120-4568-ab0d-5ab81fbc60ad/bin/uautomizer-verify-84ZbGMXZE1/data/d26446448/41f653661bc3417f9e83ac42468a34cf/FLAG36ffe4bcf [2024-12-02 10:35:11,471 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:35:11,472 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d90977f-3120-4568-ab0d-5ab81fbc60ad/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i [2024-12-02 10:35:11,508 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d90977f-3120-4568-ab0d-5ab81fbc60ad/bin/uautomizer-verify-84ZbGMXZE1/data/d26446448/41f653661bc3417f9e83ac42468a34cf/FLAG36ffe4bcf [2024-12-02 10:35:11,587 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d90977f-3120-4568-ab0d-5ab81fbc60ad/bin/uautomizer-verify-84ZbGMXZE1/data/d26446448/41f653661bc3417f9e83ac42468a34cf [2024-12-02 10:35:11,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:35:11,591 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:35:11,592 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:35:11,592 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:35:11,596 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:35:11,597 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:35:11" (1/1) ... [2024-12-02 10:35:11,598 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f8e313d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:11, skipping insertion in model container [2024-12-02 10:35:11,598 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:35:11" (1/1) ... [2024-12-02 10:35:11,690 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:35:13,272 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_1d90977f-3120-4568-ab0d-5ab81fbc60ad/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i[258672,258685] [2024-12-02 10:35:13,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:35:13,389 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:35:13,488 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] [2024-12-02 10:35:13,492 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] [2024-12-02 10:35:13,492 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] [2024-12-02 10:35:13,493 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] [2024-12-02 10:35:13,493 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] [2024-12-02 10:35:13,493 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] [2024-12-02 10:35:13,747 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] [2024-12-02 10:35:13,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6914] [2024-12-02 10:35:13,748 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] [2024-12-02 10:35:13,748 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] [2024-12-02 10:35:13,749 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] [2024-12-02 10:35:13,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6969] [2024-12-02 10:35:13,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6972] [2024-12-02 10:35:13,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6975] [2024-12-02 10:35:13,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6978] [2024-12-02 10:35:13,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [7000] [2024-12-02 10:35:13,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7003] [2024-12-02 10:35:13,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7006] [2024-12-02 10:35:13,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7009] [2024-12-02 10:35:13,830 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_1d90977f-3120-4568-ab0d-5ab81fbc60ad/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i[258672,258685] [2024-12-02 10:35:13,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:35:13,999 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:35:13,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:13 WrapperNode [2024-12-02 10:35:13,999 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:35:14,000 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:35:14,001 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:35:14,001 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:35:14,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:13" (1/1) ... [2024-12-02 10:35:14,071 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:13" (1/1) ... [2024-12-02 10:35:14,256 INFO L138 Inliner]: procedures = 375, calls = 3333, calls flagged for inlining = 175, calls inlined = 167, statements flattened = 6410 [2024-12-02 10:35:14,256 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:35:14,257 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:35:14,257 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:35:14,257 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:35:14,267 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:13" (1/1) ... [2024-12-02 10:35:14,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:13" (1/1) ... [2024-12-02 10:35:14,292 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:13" (1/1) ... [2024-12-02 10:35:15,541 INFO L175 MemorySlicer]: Split 1719 memory accesses to 25 slices as follows [876, 3, 63, 63, 266, 2, 1, 2, 7, 2, 4, 26, 2, 2, 260, 1, 35, 11, 16, 63, 2, 1, 2, 2, 7]. 51 percent of accesses are in the largest equivalence class. The 451 initializations are split as follows [56, 0, 63, 0, 0, 0, 0, 0, 0, 0, 4, 0, 2, 0, 254, 0, 0, 2, 0, 63, 0, 0, 0, 0, 7]. The 720 writes are split as follows [372, 2, 0, 54, 228, 1, 1, 1, 2, 1, 0, 0, 0, 1, 3, 0, 35, 0, 16, 0, 1, 0, 1, 1, 0]. [2024-12-02 10:35:15,541 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:13" (1/1) ... [2024-12-02 10:35:15,541 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:13" (1/1) ... [2024-12-02 10:35:15,654 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:13" (1/1) ... [2024-12-02 10:35:15,662 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:13" (1/1) ... [2024-12-02 10:35:15,678 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:13" (1/1) ... [2024-12-02 10:35:15,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:13" (1/1) ... [2024-12-02 10:35:15,715 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:13" (1/1) ... [2024-12-02 10:35:15,756 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:35:15,756 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:35:15,757 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:35:15,757 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:35:15,757 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:13" (1/1) ... [2024-12-02 10:35:15,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:35:15,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d90977f-3120-4568-ab0d-5ab81fbc60ad/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:35:15,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d90977f-3120-4568-ab0d-5ab81fbc60ad/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:35:15,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d90977f-3120-4568-ab0d-5ab81fbc60ad/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:35:15,811 INFO L130 BoogieDeclarations]: Found specification of procedure serial_break [2024-12-02 10:35:15,812 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_break [2024-12-02 10:35:15,812 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_open [2024-12-02 10:35:15,812 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_open [2024-12-02 10:35:15,812 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_throttle [2024-12-02 10:35:15,812 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_throttle [2024-12-02 10:35:15,812 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_start [2024-12-02 10:35:15,812 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_start [2024-12-02 10:35:15,812 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2024-12-02 10:35:15,812 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2024-12-02 10:35:15,812 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2024-12-02 10:35:15,812 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2024-12-02 10:35:15,812 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2024-12-02 10:35:15,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2024-12-02 10:35:15,812 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2024-12-02 10:35:15,812 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2024-12-02 10:35:15,812 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2024-12-02 10:35:15,813 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2024-12-02 10:35:15,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 10:35:15,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 10:35:15,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 10:35:15,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 10:35:15,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 10:35:15,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 10:35:15,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 10:35:15,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 10:35:15,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 10:35:15,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 10:35:15,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 10:35:15,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 10:35:15,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 10:35:15,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 10:35:15,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 10:35:15,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 10:35:15,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 10:35:15,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 10:35:15,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 10:35:15,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-02 10:35:15,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-12-02 10:35:15,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-12-02 10:35:15,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-12-02 10:35:15,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-12-02 10:35:15,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-12-02 10:35:15,814 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2024-12-02 10:35:15,814 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2024-12-02 10:35:15,814 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_dtr_rts [2024-12-02 10:35:15,814 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_dtr_rts [2024-12-02 10:35:15,814 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_remove [2024-12-02 10:35:15,814 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_remove [2024-12-02 10:35:15,814 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write [2024-12-02 10:35:15,814 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write [2024-12-02 10:35:15,814 INFO L130 BoogieDeclarations]: Found specification of procedure serial_chars_in_buffer [2024-12-02 10:35:15,814 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_chars_in_buffer [2024-12-02 10:35:15,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 10:35:15,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 10:35:15,814 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2024-12-02 10:35:15,814 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2024-12-02 10:35:15,814 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_activate [2024-12-02 10:35:15,815 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_activate [2024-12-02 10:35:15,815 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2024-12-02 10:35:15,815 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2024-12-02 10:35:15,815 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2024-12-02 10:35:15,815 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2024-12-02 10:35:15,815 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2024-12-02 10:35:15,815 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2024-12-02 10:35:15,815 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-12-02 10:35:15,815 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-12-02 10:35:15,815 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2024-12-02 10:35:15,815 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2024-12-02 10:35:15,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-02 10:35:15,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-02 10:35:15,815 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2024-12-02 10:35:15,815 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2024-12-02 10:35:15,815 INFO L130 BoogieDeclarations]: Found specification of procedure usb_store_new_id [2024-12-02 10:35:15,815 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_store_new_id [2024-12-02 10:35:15,815 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2024-12-02 10:35:15,815 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2024-12-02 10:35:15,815 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2024-12-02 10:35:15,815 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2024-12-02 10:35:15,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-12-02 10:35:15,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-12-02 10:35:15,816 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-12-02 10:35:15,816 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-12-02 10:35:15,816 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_get_by_index [2024-12-02 10:35:15,816 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_get_by_index [2024-12-02 10:35:15,816 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_poison_urbs [2024-12-02 10:35:15,816 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_poison_urbs [2024-12-02 10:35:15,816 INFO L130 BoogieDeclarations]: Found specification of procedure serial_hangup [2024-12-02 10:35:15,816 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_hangup [2024-12-02 10:35:15,816 INFO L130 BoogieDeclarations]: Found specification of procedure serial_ioctl [2024-12-02 10:35:15,816 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_ioctl [2024-12-02 10:35:15,816 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write_room [2024-12-02 10:35:15,816 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write_room [2024-12-02 10:35:15,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_disc_mutex_of_usb_serial [2024-12-02 10:35:15,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_disc_mutex_of_usb_serial [2024-12-02 10:35:15,816 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-12-02 10:35:15,816 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-12-02 10:35:15,816 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2024-12-02 10:35:15,816 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2024-12-02 10:35:15,816 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-12-02 10:35:15,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-12-02 10:35:15,816 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-12-02 10:35:15,817 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-12-02 10:35:15,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 10:35:15,817 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-12-02 10:35:15,817 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-12-02 10:35:15,817 INFO L130 BoogieDeclarations]: Found specification of procedure serial_unthrottle [2024-12-02 10:35:15,817 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_unthrottle [2024-12-02 10:35:15,817 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2024-12-02 10:35:15,817 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2024-12-02 10:35:15,817 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urbs [2024-12-02 10:35:15,817 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urbs [2024-12-02 10:35:15,817 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_probe [2024-12-02 10:35:15,817 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_probe [2024-12-02 10:35:15,817 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2024-12-02 10:35:15,817 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2024-12-02 10:35:15,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2024-12-02 10:35:15,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2024-12-02 10:35:15,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 10:35:15,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 10:35:15,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 10:35:15,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 10:35:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 10:35:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 10:35:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 10:35:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 10:35:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 10:35:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 10:35:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 10:35:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 10:35:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 10:35:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 10:35:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 10:35:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 10:35:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 10:35:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 10:35:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 10:35:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-02 10:35:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-12-02 10:35:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-12-02 10:35:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-12-02 10:35:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-12-02 10:35:15,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-12-02 10:35:15,819 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2024-12-02 10:35:15,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2024-12-02 10:35:15,819 INFO L130 BoogieDeclarations]: Found specification of procedure serial_get_icount [2024-12-02 10:35:15,819 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_get_icount [2024-12-02 10:35:15,819 INFO L130 BoogieDeclarations]: Found specification of procedure serial_throttle [2024-12-02 10:35:15,819 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_throttle [2024-12-02 10:35:15,819 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-12-02 10:35:15,819 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-12-02 10:35:15,819 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urb [2024-12-02 10:35:15,819 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urb [2024-12-02 10:35:15,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 10:35:15,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 10:35:15,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 10:35:15,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 10:35:15,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 10:35:15,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 10:35:15,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 10:35:15,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 10:35:15,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 10:35:15,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 10:35:15,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 10:35:15,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 10:35:15,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 10:35:15,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 10:35:15,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 10:35:15,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 10:35:15,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 10:35:15,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-12-02 10:35:15,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-12-02 10:35:15,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-12-02 10:35:15,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-12-02 10:35:15,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-12-02 10:35:15,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-12-02 10:35:15,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-12-02 10:35:15,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-12-02 10:35:15,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-12-02 10:35:15,820 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 10:35:15,820 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 10:35:15,820 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-12-02 10:35:15,820 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-12-02 10:35:15,821 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2024-12-02 10:35:15,821 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2024-12-02 10:35:15,821 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2024-12-02 10:35:15,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2024-12-02 10:35:15,821 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-12-02 10:35:15,821 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-12-02 10:35:15,821 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2024-12-02 10:35:15,821 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2024-12-02 10:35:15,821 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2024-12-02 10:35:15,821 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2024-12-02 10:35:15,821 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-12-02 10:35:15,821 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-12-02 10:35:15,821 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_resume [2024-12-02 10:35:15,821 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_resume [2024-12-02 10:35:15,821 INFO L130 BoogieDeclarations]: Found specification of procedure serial_cleanup [2024-12-02 10:35:15,821 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_cleanup [2024-12-02 10:35:15,821 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-12-02 10:35:15,821 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-12-02 10:35:15,821 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-12-02 10:35:15,821 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-12-02 10:35:15,821 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_carrier_raised [2024-12-02 10:35:15,822 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_carrier_raised [2024-12-02 10:35:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2024-12-02 10:35:15,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2024-12-02 10:35:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-12-02 10:35:15,822 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-12-02 10:35:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmget [2024-12-02 10:35:15,822 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmget [2024-12-02 10:35:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-12-02 10:35:15,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-12-02 10:35:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2024-12-02 10:35:15,822 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2024-12-02 10:35:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2024-12-02 10:35:15,822 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2024-12-02 10:35:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-12-02 10:35:15,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-12-02 10:35:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 10:35:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 10:35:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 10:35:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 10:35:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 10:35:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 10:35:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 10:35:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 10:35:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 10:35:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 10:35:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 10:35:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 10:35:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 10:35:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 10:35:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 10:35:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 10:35:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 10:35:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 10:35:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 10:35:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-02 10:35:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-12-02 10:35:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-12-02 10:35:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-12-02 10:35:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-12-02 10:35:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-12-02 10:35:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-12-02 10:35:15,823 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-12-02 10:35:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2024-12-02 10:35:15,823 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2024-12-02 10:35:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_reset_resume [2024-12-02 10:35:15,823 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_reset_resume [2024-12-02 10:35:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_read_bulk_callback [2024-12-02 10:35:15,823 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_read_bulk_callback [2024-12-02 10:35:15,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2024-12-02 10:35:15,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2024-12-02 10:35:15,824 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2024-12-02 10:35:15,824 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2024-12-02 10:35:15,824 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2024-12-02 10:35:15,824 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2024-12-02 10:35:15,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 10:35:15,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 10:35:15,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 10:35:15,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 10:35:15,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 10:35:15,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 10:35:15,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 10:35:15,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 10:35:15,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 10:35:15,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 10:35:15,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 10:35:15,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 10:35:15,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 10:35:15,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 10:35:15,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 10:35:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 10:35:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 10:35:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 10:35:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 10:35:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-02 10:35:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-12-02 10:35:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-12-02 10:35:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-12-02 10:35:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-12-02 10:35:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-12-02 10:35:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2024-12-02 10:35:15,825 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2024-12-02 10:35:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2024-12-02 10:35:15,825 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2024-12-02 10:35:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-12-02 10:35:15,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-12-02 10:35:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_match [2024-12-02 10:35:15,825 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_match [2024-12-02 10:35:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure serial_open [2024-12-02 10:35:15,825 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_open [2024-12-02 10:35:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-12-02 10:35:15,825 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-12-02 10:35:15,825 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-12-02 10:35:15,826 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-12-02 10:35:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_shutdown [2024-12-02 10:35:15,826 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_shutdown [2024-12-02 10:35:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2024-12-02 10:35:15,826 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2024-12-02 10:35:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 10:35:15,826 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 10:35:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2024-12-02 10:35:15,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2024-12-02 10:35:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 10:35:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 10:35:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 10:35:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 10:35:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 10:35:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 10:35:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 10:35:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 10:35:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 10:35:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 10:35:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 10:35:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 10:35:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 10:35:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 10:35:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 10:35:15,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 10:35:15,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 10:35:15,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 10:35:15,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 10:35:15,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-02 10:35:15,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-12-02 10:35:15,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-12-02 10:35:15,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-12-02 10:35:15,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-12-02 10:35:15,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-12-02 10:35:15,827 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-12-02 10:35:15,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-12-02 10:35:15,827 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2024-12-02 10:35:15,827 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2024-12-02 10:35:15,827 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2024-12-02 10:35:15,827 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-12-02 10:35:15,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-12-02 10:35:15,827 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2024-12-02 10:35:15,827 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2024-12-02 10:35:15,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 10:35:15,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 10:35:15,827 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2024-12-02 10:35:15,827 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2024-12-02 10:35:15,827 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_unthrottle [2024-12-02 10:35:15,827 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_unthrottle [2024-12-02 10:35:15,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_disc_mutex_of_usb_serial [2024-12-02 10:35:15,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_disc_mutex_of_usb_serial [2024-12-02 10:35:15,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 10:35:15,828 INFO L130 BoogieDeclarations]: Found specification of procedure serial_install [2024-12-02 10:35:15,828 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_install [2024-12-02 10:35:15,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:35:15,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 10:35:15,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 10:35:15,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 10:35:15,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 10:35:15,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 10:35:15,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 10:35:15,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 10:35:15,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 10:35:15,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 10:35:15,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 10:35:15,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 10:35:15,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 10:35:15,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 10:35:15,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 10:35:15,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 10:35:15,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 10:35:15,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 10:35:15,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 10:35:15,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 10:35:15,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-02 10:35:15,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-12-02 10:35:15,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-12-02 10:35:15,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-12-02 10:35:15,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-12-02 10:35:15,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-12-02 10:35:15,829 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2024-12-02 10:35:15,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_percpu_size [2024-12-02 10:35:15,829 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 10:35:15,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 10:35:15,829 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-12-02 10:35:15,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-12-02 10:35:15,829 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmset [2024-12-02 10:35:15,829 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmset [2024-12-02 10:35:15,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_table_lock [2024-12-02 10:35:15,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_table_lock [2024-12-02 10:35:15,829 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-12-02 10:35:15,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-12-02 10:35:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2024-12-02 10:35:15,830 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2024-12-02 10:35:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_table_lock [2024-12-02 10:35:15,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_table_lock [2024-12-02 10:35:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-12-02 10:35:15,830 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-12-02 10:35:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_put [2024-12-02 10:35:15,830 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_put [2024-12-02 10:35:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_unpoison_port_urbs [2024-12-02 10:35:15,830 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_unpoison_port_urbs [2024-12-02 10:35:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 10:35:15,830 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 10:35:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write [2024-12-02 10:35:15,830 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write [2024-12-02 10:35:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-12-02 10:35:15,830 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-12-02 10:35:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_serial [2024-12-02 10:35:15,830 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_serial [2024-12-02 10:35:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-12-02 10:35:15,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-12-02 10:35:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure get_iface_id [2024-12-02 10:35:15,830 INFO L138 BoogieDeclarations]: Found implementation of procedure get_iface_id [2024-12-02 10:35:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-12-02 10:35:15,830 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-12-02 10:35:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 10:35:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 10:35:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 10:35:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 10:35:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 10:35:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 10:35:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 10:35:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 10:35:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 10:35:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 10:35:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 10:35:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 10:35:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 10:35:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 10:35:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 10:35:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 10:35:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 10:35:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 10:35:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 10:35:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-02 10:35:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-12-02 10:35:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-12-02 10:35:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-12-02 10:35:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-12-02 10:35:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-12-02 10:35:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 10:35:15,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 10:35:15,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:35:15,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:35:15,832 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2024-12-02 10:35:15,832 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2024-12-02 10:35:15,832 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2024-12-02 10:35:15,832 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2024-12-02 10:35:16,669 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:35:16,672 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:35:33,031 INFO L? ?]: Removed 2289 outVars from TransFormulas that were not future-live. [2024-12-02 10:35:33,031 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:35:33,065 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:35:33,065 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 10:35:33,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:35:33 BoogieIcfgContainer [2024-12-02 10:35:33,065 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:35:33,067 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:35:33,067 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:35:33,070 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:35:33,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:35:11" (1/3) ... [2024-12-02 10:35:33,071 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20586b5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:35:33, skipping insertion in model container [2024-12-02 10:35:33,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:13" (2/3) ... [2024-12-02 10:35:33,071 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20586b5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:35:33, skipping insertion in model container [2024-12-02 10:35:33,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:35:33" (3/3) ... [2024-12-02 10:35:33,072 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i [2024-12-02 10:35:33,082 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:35:33,085 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i that has 120 procedures, 2026 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 10:35:33,189 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:35:33,198 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;@41fc89bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:35:33,198 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:35:33,205 INFO L276 IsEmpty]: Start isEmpty. Operand has 2026 states, 1377 states have (on average 1.2926652142338417) internal successors, (1780), 1416 states have internal predecessors, (1780), 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) [2024-12-02 10:35:33,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-02 10:35:33,210 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:35:33,211 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:35:33,211 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:35:33,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:35:33,215 INFO L85 PathProgramCache]: Analyzing trace with hash 194309294, now seen corresponding path program 1 times [2024-12-02 10:35:33,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:35:33,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752938184] [2024-12-02 10:35:33,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:35:33,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:35:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:35:39,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:35:39,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:35:39,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752938184] [2024-12-02 10:35:39,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752938184] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:35:39,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:35:39,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:35:39,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090212491] [2024-12-02 10:35:39,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:35:39,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:35:39,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:35:39,108 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:35:39,109 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:35:39,113 INFO L87 Difference]: Start difference. First operand has 2026 states, 1377 states have (on average 1.2926652142338417) internal successors, (1780), 1416 states have internal predecessors, (1780), 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 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 10:35:43,202 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 [] [2024-12-02 10:35:43,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:35:43,923 INFO L93 Difference]: Finished difference Result 5757 states and 8388 transitions. [2024-12-02 10:35:43,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:35:43,925 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (6), 3 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 [2024-12-02 10:35:43,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:35:43,967 INFO L225 Difference]: With dead ends: 5757 [2024-12-02 10:35:43,967 INFO L226 Difference]: Without dead ends: 3734 [2024-12-02 10:35:43,986 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:35:43,988 INFO L435 NwaCegarLoop]: 2935 mSDtfsCounter, 2786 mSDsluCounter, 2447 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2786 SdHoareTripleChecker+Valid, 5382 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 10:35:43,989 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2786 Valid, 5382 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 10:35:44,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3734 states. [2024-12-02 10:35:44,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3734 to 3729. [2024-12-02 10:35:44,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3729 states, 2540 states have (on average 1.287007874015748) internal successors, (3269), 2611 states have internal predecessors, (3269), 963 states have call successors, (963), 233 states have call predecessors, (963), 225 states have return successors, (1026), 911 states have call predecessors, (1026), 947 states have call successors, (1026) [2024-12-02 10:35:44,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3729 states to 3729 states and 5258 transitions. [2024-12-02 10:35:44,282 INFO L78 Accepts]: Start accepts. Automaton has 3729 states and 5258 transitions. Word has length 32 [2024-12-02 10:35:44,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:35:44,283 INFO L471 AbstractCegarLoop]: Abstraction has 3729 states and 5258 transitions. [2024-12-02 10:35:44,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 10:35:44,283 INFO L276 IsEmpty]: Start isEmpty. Operand 3729 states and 5258 transitions. [2024-12-02 10:35:44,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-02 10:35:44,285 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:35:44,285 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:35:44,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 10:35:44,285 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:35:44,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:35:44,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1727197567, now seen corresponding path program 1 times [2024-12-02 10:35:44,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:35:44,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696405162] [2024-12-02 10:35:44,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:35:44,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:35:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:35:50,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:35:50,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:35:50,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696405162] [2024-12-02 10:35:50,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696405162] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:35:50,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:35:50,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:35:50,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319437980] [2024-12-02 10:35:50,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:35:50,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:35:50,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:35:50,095 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:35:50,095 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:35:50,095 INFO L87 Difference]: Start difference. First operand 3729 states and 5258 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 10:35:54,215 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 [] [2024-12-02 10:35:54,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:35:54,820 INFO L93 Difference]: Finished difference Result 3731 states and 5259 transitions. [2024-12-02 10:35:54,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:35:54,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (6), 3 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 [2024-12-02 10:35:54,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:35:54,853 INFO L225 Difference]: With dead ends: 3731 [2024-12-02 10:35:54,853 INFO L226 Difference]: Without dead ends: 3728 [2024-12-02 10:35:54,856 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:35:54,857 INFO L435 NwaCegarLoop]: 2812 mSDtfsCounter, 2792 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2792 SdHoareTripleChecker+Valid, 2814 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 10:35:54,858 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2792 Valid, 2814 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 10:35:54,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3728 states. [2024-12-02 10:35:55,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3728 to 3728. [2024-12-02 10:35:55,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3728 states, 2540 states have (on average 1.2866141732283465) internal successors, (3268), 2610 states have internal predecessors, (3268), 962 states have call successors, (962), 233 states have call predecessors, (962), 225 states have return successors, (1026), 911 states have call predecessors, (1026), 947 states have call successors, (1026) [2024-12-02 10:35:55,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3728 states to 3728 states and 5256 transitions. [2024-12-02 10:35:55,125 INFO L78 Accepts]: Start accepts. Automaton has 3728 states and 5256 transitions. Word has length 33 [2024-12-02 10:35:55,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:35:55,125 INFO L471 AbstractCegarLoop]: Abstraction has 3728 states and 5256 transitions. [2024-12-02 10:35:55,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 10:35:55,125 INFO L276 IsEmpty]: Start isEmpty. Operand 3728 states and 5256 transitions. [2024-12-02 10:35:55,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-02 10:35:55,126 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:35:55,126 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:35:55,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 10:35:55,126 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:35:55,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:35:55,127 INFO L85 PathProgramCache]: Analyzing trace with hash 2002098641, now seen corresponding path program 1 times [2024-12-02 10:35:55,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:35:55,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875465347] [2024-12-02 10:35:55,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:35:55,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:35:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:36:00,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:36:00,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:36:00,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875465347] [2024-12-02 10:36:00,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875465347] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:36:00,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:36:00,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:36:00,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306187471] [2024-12-02 10:36:00,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:36:00,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:36:00,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:36:00,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:36:00,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:36:00,259 INFO L87 Difference]: Start difference. First operand 3728 states and 5256 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 10:36:04,365 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 [] [2024-12-02 10:36:04,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:36:04,886 INFO L93 Difference]: Finished difference Result 3730 states and 5257 transitions. [2024-12-02 10:36:04,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:36:04,887 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (6), 3 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 [2024-12-02 10:36:04,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:36:04,914 INFO L225 Difference]: With dead ends: 3730 [2024-12-02 10:36:04,914 INFO L226 Difference]: Without dead ends: 3727 [2024-12-02 10:36:04,917 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:36:04,918 INFO L435 NwaCegarLoop]: 2810 mSDtfsCounter, 2789 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2789 SdHoareTripleChecker+Valid, 2812 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 10:36:04,918 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2789 Valid, 2812 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 10:36:04,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3727 states. [2024-12-02 10:36:05,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3727 to 3727. [2024-12-02 10:36:05,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3727 states, 2540 states have (on average 1.286220472440945) internal successors, (3267), 2609 states have internal predecessors, (3267), 961 states have call successors, (961), 233 states have call predecessors, (961), 225 states have return successors, (1026), 911 states have call predecessors, (1026), 947 states have call successors, (1026) [2024-12-02 10:36:05,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3727 states to 3727 states and 5254 transitions. [2024-12-02 10:36:05,140 INFO L78 Accepts]: Start accepts. Automaton has 3727 states and 5254 transitions. Word has length 34 [2024-12-02 10:36:05,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:36:05,140 INFO L471 AbstractCegarLoop]: Abstraction has 3727 states and 5254 transitions. [2024-12-02 10:36:05,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 10:36:05,140 INFO L276 IsEmpty]: Start isEmpty. Operand 3727 states and 5254 transitions. [2024-12-02 10:36:05,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-02 10:36:05,141 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:36:05,141 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:36:05,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 10:36:05,141 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:36:05,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:36:05,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1934102210, now seen corresponding path program 1 times [2024-12-02 10:36:05,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:36:05,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248085221] [2024-12-02 10:36:05,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:36:05,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:36:10,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:36:10,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:36:10,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:36:10,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248085221] [2024-12-02 10:36:10,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248085221] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:36:10,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:36:10,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:36:10,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966749013] [2024-12-02 10:36:10,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:36:10,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:36:10,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:36:10,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:36:10,345 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:36:10,345 INFO L87 Difference]: Start difference. First operand 3727 states and 5254 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 10:36:14,444 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 [] [2024-12-02 10:36:14,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:36:14,991 INFO L93 Difference]: Finished difference Result 3880 states and 5412 transitions. [2024-12-02 10:36:14,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:36:14,992 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (6), 3 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 [2024-12-02 10:36:14,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:36:15,018 INFO L225 Difference]: With dead ends: 3880 [2024-12-02 10:36:15,018 INFO L226 Difference]: Without dead ends: 3861 [2024-12-02 10:36:15,021 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:36:15,022 INFO L435 NwaCegarLoop]: 2866 mSDtfsCounter, 2599 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2599 SdHoareTripleChecker+Valid, 3140 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 10:36:15,022 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2599 Valid, 3140 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 10:36:15,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3861 states. [2024-12-02 10:36:15,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3861 to 3857. [2024-12-02 10:36:15,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3857 states, 2638 states have (on average 1.2797573919636087) internal successors, (3376), 2704 states have internal predecessors, (3376), 968 states have call successors, (968), 258 states have call predecessors, (968), 250 states have return successors, (1036), 921 states have call predecessors, (1036), 957 states have call successors, (1036) [2024-12-02 10:36:15,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3857 states to 3857 states and 5380 transitions. [2024-12-02 10:36:15,255 INFO L78 Accepts]: Start accepts. Automaton has 3857 states and 5380 transitions. Word has length 35 [2024-12-02 10:36:15,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:36:15,255 INFO L471 AbstractCegarLoop]: Abstraction has 3857 states and 5380 transitions. [2024-12-02 10:36:15,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 10:36:15,255 INFO L276 IsEmpty]: Start isEmpty. Operand 3857 states and 5380 transitions. [2024-12-02 10:36:15,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-02 10:36:15,260 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:36:15,260 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:36:15,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 10:36:15,260 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:36:15,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:36:15,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1839351018, now seen corresponding path program 1 times [2024-12-02 10:36:15,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:36:15,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753969939] [2024-12-02 10:36:15,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:36:15,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:36:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:36:20,672 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-02 10:36:20,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:36:20,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753969939] [2024-12-02 10:36:20,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753969939] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:36:20,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:36:20,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 10:36:20,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476609336] [2024-12-02 10:36:20,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:36:20,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 10:36:20,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:36:20,674 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 10:36:20,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 10:36:20,674 INFO L87 Difference]: Start difference. First operand 3857 states and 5380 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 10:36:20,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:36:20,976 INFO L93 Difference]: Finished difference Result 7519 states and 10491 transitions. [2024-12-02 10:36:20,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 10:36:20,977 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (10), 2 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 [2024-12-02 10:36:20,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:36:21,003 INFO L225 Difference]: With dead ends: 7519 [2024-12-02 10:36:21,003 INFO L226 Difference]: Without dead ends: 3857 [2024-12-02 10:36:21,023 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 10:36:21,024 INFO L435 NwaCegarLoop]: 2802 mSDtfsCounter, 0 mSDsluCounter, 5598 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8400 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:36:21,024 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8400 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 10:36:21,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3857 states. [2024-12-02 10:36:21,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3857 to 3857. [2024-12-02 10:36:21,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3857 states, 2638 states have (on average 1.2793783169067476) internal successors, (3375), 2704 states have internal predecessors, (3375), 968 states have call successors, (968), 258 states have call predecessors, (968), 250 states have return successors, (1036), 921 states have call predecessors, (1036), 957 states have call successors, (1036) [2024-12-02 10:36:21,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3857 states to 3857 states and 5379 transitions. [2024-12-02 10:36:21,244 INFO L78 Accepts]: Start accepts. Automaton has 3857 states and 5379 transitions. Word has length 58 [2024-12-02 10:36:21,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:36:21,244 INFO L471 AbstractCegarLoop]: Abstraction has 3857 states and 5379 transitions. [2024-12-02 10:36:21,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 10:36:21,244 INFO L276 IsEmpty]: Start isEmpty. Operand 3857 states and 5379 transitions. [2024-12-02 10:36:21,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-12-02 10:36:21,248 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:36:21,248 INFO L218 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] [2024-12-02 10:36:21,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 10:36:21,248 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:36:21,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:36:21,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1132419186, now seen corresponding path program 1 times [2024-12-02 10:36:21,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:36:21,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822586524] [2024-12-02 10:36:21,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:36:21,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:36:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:36:26,542 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-02 10:36:26,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:36:26,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822586524] [2024-12-02 10:36:26,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822586524] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:36:26,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:36:26,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:36:26,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129365877] [2024-12-02 10:36:26,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:36:26,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:36:26,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:36:26,543 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:36:26,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:36:26,544 INFO L87 Difference]: Start difference. First operand 3857 states and 5379 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-12-02 10:36:26,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:36:26,727 INFO L93 Difference]: Finished difference Result 7697 states and 10737 transitions. [2024-12-02 10:36:26,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:36:26,728 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (13), 2 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 76 [2024-12-02 10:36:26,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:36:26,747 INFO L225 Difference]: With dead ends: 7697 [2024-12-02 10:36:26,747 INFO L226 Difference]: Without dead ends: 3859 [2024-12-02 10:36:26,758 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:36:26,759 INFO L435 NwaCegarLoop]: 2800 mSDtfsCounter, 1 mSDsluCounter, 2796 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5596 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:36:26,759 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5596 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 10:36:26,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3859 states. [2024-12-02 10:36:26,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3859 to 3858. [2024-12-02 10:36:26,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3858 states, 2639 states have (on average 1.2792724516862448) internal successors, (3376), 2705 states have internal predecessors, (3376), 968 states have call successors, (968), 258 states have call predecessors, (968), 250 states have return successors, (1036), 921 states have call predecessors, (1036), 957 states have call successors, (1036) [2024-12-02 10:36:26,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3858 states to 3858 states and 5380 transitions. [2024-12-02 10:36:26,887 INFO L78 Accepts]: Start accepts. Automaton has 3858 states and 5380 transitions. Word has length 76 [2024-12-02 10:36:26,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:36:26,888 INFO L471 AbstractCegarLoop]: Abstraction has 3858 states and 5380 transitions. [2024-12-02 10:36:26,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-12-02 10:36:26,888 INFO L276 IsEmpty]: Start isEmpty. Operand 3858 states and 5380 transitions. [2024-12-02 10:36:26,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-12-02 10:36:26,892 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:36:26,892 INFO L218 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] [2024-12-02 10:36:26,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 10:36:26,892 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:36:26,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:36:26,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1227086738, now seen corresponding path program 1 times [2024-12-02 10:36:26,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:36:26,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024558169] [2024-12-02 10:36:26,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:36:26,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:36:31,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:36:32,233 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-02 10:36:32,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:36:32,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024558169] [2024-12-02 10:36:32,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024558169] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:36:32,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318357346] [2024-12-02 10:36:32,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:36:32,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:36:32,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d90977f-3120-4568-ab0d-5ab81fbc60ad/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:36:32,236 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d90977f-3120-4568-ab0d-5ab81fbc60ad/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:36:32,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d90977f-3120-4568-ab0d-5ab81fbc60ad/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 10:36:38,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:36:38,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 5441 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 10:36:38,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:36:38,476 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-02 10:36:38,476 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:36:39,051 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-02 10:36:39,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318357346] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:36:39,051 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:36:39,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-12-02 10:36:39,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771067027] [2024-12-02 10:36:39,051 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:36:39,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 10:36:39,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:36:39,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 10:36:39,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:36:39,052 INFO L87 Difference]: Start difference. First operand 3858 states and 5380 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 10:36:39,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:36:39,347 INFO L93 Difference]: Finished difference Result 7702 states and 10744 transitions. [2024-12-02 10:36:39,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 10:36:39,347 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 78 [2024-12-02 10:36:39,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:36:39,371 INFO L225 Difference]: With dead ends: 7702 [2024-12-02 10:36:39,371 INFO L226 Difference]: Without dead ends: 3864 [2024-12-02 10:36:39,389 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:36:39,390 INFO L435 NwaCegarLoop]: 2800 mSDtfsCounter, 2 mSDsluCounter, 5592 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8392 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:36:39,390 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8392 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:36:39,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3864 states. [2024-12-02 10:36:39,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3864 to 3864. [2024-12-02 10:36:39,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3864 states, 2645 states have (on average 1.2786389413988657) internal successors, (3382), 2711 states have internal predecessors, (3382), 968 states have call successors, (968), 258 states have call predecessors, (968), 250 states have return successors, (1036), 921 states have call predecessors, (1036), 957 states have call successors, (1036) [2024-12-02 10:36:39,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3864 states to 3864 states and 5386 transitions. [2024-12-02 10:36:39,523 INFO L78 Accepts]: Start accepts. Automaton has 3864 states and 5386 transitions. Word has length 78 [2024-12-02 10:36:39,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:36:39,523 INFO L471 AbstractCegarLoop]: Abstraction has 3864 states and 5386 transitions. [2024-12-02 10:36:39,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 10:36:39,523 INFO L276 IsEmpty]: Start isEmpty. Operand 3864 states and 5386 transitions. [2024-12-02 10:36:39,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-02 10:36:39,526 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:36:39,526 INFO L218 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] [2024-12-02 10:36:39,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d90977f-3120-4568-ab0d-5ab81fbc60ad/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 10:36:39,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d90977f-3120-4568-ab0d-5ab81fbc60ad/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:36:39,727 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:36:39,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:36:39,727 INFO L85 PathProgramCache]: Analyzing trace with hash -2012271006, now seen corresponding path program 2 times [2024-12-02 10:36:39,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:36:39,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431606592] [2024-12-02 10:36:39,727 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 10:36:39,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:36:44,210 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 10:36:44,210 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 10:36:44,678 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-02 10:36:44,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:36:44,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431606592] [2024-12-02 10:36:44,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431606592] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:36:44,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:36:44,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:36:44,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316486275] [2024-12-02 10:36:44,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:36:44,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:36:44,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:36:44,680 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:36:44,680 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:36:44,680 INFO L87 Difference]: Start difference. First operand 3864 states and 5386 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-12-02 10:36:48,770 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 [] [2024-12-02 10:36:49,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:36:49,318 INFO L93 Difference]: Finished difference Result 7521 states and 10525 transitions. [2024-12-02 10:36:49,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:36:49,319 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (13), 3 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 84 [2024-12-02 10:36:49,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:36:49,337 INFO L225 Difference]: With dead ends: 7521 [2024-12-02 10:36:49,337 INFO L226 Difference]: Without dead ends: 3861 [2024-12-02 10:36:49,349 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:36:49,350 INFO L435 NwaCegarLoop]: 4452 mSDtfsCounter, 2437 mSDsluCounter, 2693 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2437 SdHoareTripleChecker+Valid, 7145 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 10:36:49,350 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2437 Valid, 7145 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 10:36:49,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3861 states. [2024-12-02 10:36:49,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3861 to 3856. [2024-12-02 10:36:49,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3856 states, 2639 states have (on average 1.2777567260325882) internal successors, (3372), 2706 states have internal predecessors, (3372), 966 states have call successors, (966), 257 states have call predecessors, (966), 250 states have return successors, (964), 919 states have call predecessors, (964), 945 states have call successors, (964) [2024-12-02 10:36:49,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3856 states to 3856 states and 5302 transitions. [2024-12-02 10:36:49,558 INFO L78 Accepts]: Start accepts. Automaton has 3856 states and 5302 transitions. Word has length 84 [2024-12-02 10:36:49,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:36:49,558 INFO L471 AbstractCegarLoop]: Abstraction has 3856 states and 5302 transitions. [2024-12-02 10:36:49,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-12-02 10:36:49,559 INFO L276 IsEmpty]: Start isEmpty. Operand 3856 states and 5302 transitions. [2024-12-02 10:36:49,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-12-02 10:36:49,561 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:36:49,562 INFO L218 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] [2024-12-02 10:36:49,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 10:36:49,562 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:36:49,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:36:49,562 INFO L85 PathProgramCache]: Analyzing trace with hash -214948502, now seen corresponding path program 1 times [2024-12-02 10:36:49,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:36:49,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862700001] [2024-12-02 10:36:49,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:36:49,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:36:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:36:55,707 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-02 10:36:55,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:36:55,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862700001] [2024-12-02 10:36:55,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862700001] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:36:55,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [117069666] [2024-12-02 10:36:55,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:36:55,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:36:55,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d90977f-3120-4568-ab0d-5ab81fbc60ad/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:36:55,709 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d90977f-3120-4568-ab0d-5ab81fbc60ad/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:36:55,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d90977f-3120-4568-ab0d-5ab81fbc60ad/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 10:37:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:37:02,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 5548 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 10:37:02,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:37:02,263 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-02 10:37:02,263 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:37:03,615 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-02 10:37:03,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [117069666] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:37:03,616 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:37:03,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-12-02 10:37:03,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31327712] [2024-12-02 10:37:03,616 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:37:03,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 10:37:03,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:37:03,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 10:37:03,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-12-02 10:37:03,618 INFO L87 Difference]: Start difference. First operand 3856 states and 5302 transitions. Second operand has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 13 states have internal predecessors, (81), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 10:37:04,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:37:04,105 INFO L93 Difference]: Finished difference Result 7698 states and 10591 transitions. [2024-12-02 10:37:04,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 10:37:04,106 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 13 states have internal predecessors, (81), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 88 [2024-12-02 10:37:04,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:37:04,124 INFO L225 Difference]: With dead ends: 7698 [2024-12-02 10:37:04,124 INFO L226 Difference]: Without dead ends: 3868 [2024-12-02 10:37:04,135 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-12-02 10:37:04,135 INFO L435 NwaCegarLoop]: 2800 mSDtfsCounter, 2 mSDsluCounter, 8388 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11188 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 10:37:04,136 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11188 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 10:37:04,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3868 states. [2024-12-02 10:37:04,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3868 to 3868. [2024-12-02 10:37:04,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3868 states, 2651 states have (on average 1.2764994341757827) internal successors, (3384), 2718 states have internal predecessors, (3384), 966 states have call successors, (966), 257 states have call predecessors, (966), 250 states have return successors, (964), 919 states have call predecessors, (964), 945 states have call successors, (964) [2024-12-02 10:37:04,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3868 states to 3868 states and 5314 transitions. [2024-12-02 10:37:04,345 INFO L78 Accepts]: Start accepts. Automaton has 3868 states and 5314 transitions. Word has length 88 [2024-12-02 10:37:04,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:37:04,346 INFO L471 AbstractCegarLoop]: Abstraction has 3868 states and 5314 transitions. [2024-12-02 10:37:04,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 13 states have internal predecessors, (81), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 10:37:04,346 INFO L276 IsEmpty]: Start isEmpty. Operand 3868 states and 5314 transitions. [2024-12-02 10:37:04,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 10:37:04,349 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:37:04,350 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 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] [2024-12-02 10:37:04,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d90977f-3120-4568-ab0d-5ab81fbc60ad/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 10:37:04,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d90977f-3120-4568-ab0d-5ab81fbc60ad/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:37:04,550 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:37:04,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:37:04,551 INFO L85 PathProgramCache]: Analyzing trace with hash -87101358, now seen corresponding path program 2 times [2024-12-02 10:37:04,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:37:04,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960624835] [2024-12-02 10:37:04,551 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 10:37:04,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:37:09,621 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 10:37:09,621 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 10:37:12,184 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 2 proven. 100 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-02 10:37:12,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:37:12,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960624835] [2024-12-02 10:37:12,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960624835] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:37:12,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280194338] [2024-12-02 10:37:12,184 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 10:37:12,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:37:12,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d90977f-3120-4568-ab0d-5ab81fbc60ad/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:37:12,187 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d90977f-3120-4568-ab0d-5ab81fbc60ad/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:37:12,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d90977f-3120-4568-ab0d-5ab81fbc60ad/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process