./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a350445-78b1-49b1-beb2-a0121e6e030b/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a350445-78b1-49b1-beb2-a0121e6e030b/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a350445-78b1-49b1-beb2-a0121e6e030b/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a350445-78b1-49b1-beb2-a0121e6e030b/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a350445-78b1-49b1-beb2-a0121e6e030b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a350445-78b1-49b1-beb2-a0121e6e030b/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d21289ad0260bc29d79b2bd61c2535ad4b8522ed30b4caa2844d314826a0bd1c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:29:28,922 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:29:28,983 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a350445-78b1-49b1-beb2-a0121e6e030b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-29 02:29:28,986 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:29:28,987 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:29:29,008 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:29:29,008 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:29:29,009 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:29:29,009 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:29:29,010 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:29:29,011 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:29:29,011 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:29:29,012 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:29:29,012 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:29:29,013 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:29:29,013 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:29:29,014 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:29:29,014 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:29:29,015 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:29:29,015 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:29:29,016 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:29:29,016 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:29:29,017 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:29:29,017 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:29:29,017 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 02:29:29,018 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 02:29:29,018 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:29:29,019 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:29:29,019 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:29:29,020 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:29:29,020 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:29:29,020 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:29:29,021 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:29:29,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:29:29,021 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:29:29,021 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:29:29,021 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:29:29,022 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:29:29,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:29:29,022 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:29:29,022 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:29:29,022 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:29:29,023 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:29:29,023 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:29:29,023 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a350445-78b1-49b1-beb2-a0121e6e030b/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a350445-78b1-49b1-beb2-a0121e6e030b/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d21289ad0260bc29d79b2bd61c2535ad4b8522ed30b4caa2844d314826a0bd1c [2023-11-29 02:29:29,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:29:29,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:29:29,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:29:29,268 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:29:29,269 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:29:29,270 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a350445-78b1-49b1-beb2-a0121e6e030b/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2023-11-29 02:29:32,045 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:29:32,450 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:29:32,451 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a350445-78b1-49b1-beb2-a0121e6e030b/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2023-11-29 02:29:32,484 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a350445-78b1-49b1-beb2-a0121e6e030b/bin/uautomizer-verify-BQ2R08f2Ya/data/e08b211f3/0f58556998d94d228bca1e33b78d5f0f/FLAGf656c4c71 [2023-11-29 02:29:32,498 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a350445-78b1-49b1-beb2-a0121e6e030b/bin/uautomizer-verify-BQ2R08f2Ya/data/e08b211f3/0f58556998d94d228bca1e33b78d5f0f [2023-11-29 02:29:32,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:29:32,502 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:29:32,504 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:29:32,504 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:29:32,509 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:29:32,510 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:29:32" (1/1) ... [2023-11-29 02:29:32,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59e0e154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:29:32, skipping insertion in model container [2023-11-29 02:29:32,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:29:32" (1/1) ... [2023-11-29 02:29:32,611 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:29:34,234 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:29:34,266 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:29:34,344 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)); [3628-3629] [2023-11-29 02:29:34,347 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3662] [2023-11-29 02:29:34,347 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3665] [2023-11-29 02:29:34,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3668] [2023-11-29 02:29:34,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3671] [2023-11-29 02:29:34,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___12->state): : "memory", "cc"); [4769-4770] [2023-11-29 02:29:34,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___13->state): : "memory", "cc"); [4776-4777] [2023-11-29 02:29:34,432 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___14->state): : "memory", "cc"); [4783-4784] [2023-11-29 02:29:34,432 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___15->state): : "memory", "cc"); [4790-4791] [2023-11-29 02:29:34,433 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___17->state): : "memory", "cc"); [4837-4838] [2023-11-29 02:29:34,433 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___18->state): : "memory", "cc"); [4844-4845] [2023-11-29 02:29:34,434 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___19->state): : "memory", "cc"); [4851-4852] [2023-11-29 02:29:34,434 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___20->state): : "memory", "cc"); [4858-4859] [2023-11-29 02:29:34,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [5071-5072] [2023-11-29 02:29:34,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [5078-5079] [2023-11-29 02:29:34,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [5085-5086] [2023-11-29 02:29:34,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [5092-5093] [2023-11-29 02:29:34,446 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___6->state): : "memory", "cc"); [5152-5153] [2023-11-29 02:29:34,447 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___7->state): : "memory", "cc"); [5159-5160] [2023-11-29 02:29:34,447 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___8->state): : "memory", "cc"); [5166-5167] [2023-11-29 02:29:34,447 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___9->state): : "memory", "cc"); [5173-5174] [2023-11-29 02:29:34,450 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___1), "+m" (tmp___15->state): : "memory", "cc"); [5263-5264] [2023-11-29 02:29:34,451 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___1), "+m" (tmp___16->state): : "memory", "cc"); [5270-5271] [2023-11-29 02:29:34,451 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___1), "+m" (tmp___17->state): : "memory", "cc"); [5277-5278] [2023-11-29 02:29:34,452 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___1), "+m" (tmp___18->state): : "memory", "cc"); [5284-5285] [2023-11-29 02:29:34,512 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:29:34,563 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:29:34,563 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:29:34,569 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:29:34,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:29:34 WrapperNode [2023-11-29 02:29:34,570 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:29:34,571 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:29:34,571 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:29:34,571 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:29:34,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:29:34" (1/1) ... [2023-11-29 02:29:34,635 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:29:34" (1/1) ... [2023-11-29 02:29:34,838 INFO L138 Inliner]: procedures = 287, calls = 1761, calls flagged for inlining = 462, calls inlined = 522, statements flattened = 6453 [2023-11-29 02:29:34,839 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:29:34,840 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:29:34,840 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:29:34,840 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:29:34,851 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:29:34" (1/1) ... [2023-11-29 02:29:34,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:29:34" (1/1) ... [2023-11-29 02:29:34,873 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:29:34" (1/1) ... [2023-11-29 02:29:35,447 INFO L175 MemorySlicer]: Split 915 memory accesses to 34 slices as follows [126, 10, 14, 126, 22, 426, 7, 1, 2, 3, 27, 3, 3, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 7, 14, 7, 7, 7, 7, 7, 7, 7, 4]. 47 percent of accesses are in the largest equivalence class. The 473 initializations are split as follows [0, 0, 14, 126, 22, 140, 7, 1, 2, 1, 27, 1, 1, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 7, 0, 7, 7, 7, 7, 7, 7, 7, 4]. The 231 writes are split as follows [108, 10, 0, 0, 0, 98, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 12, 0, 0, 0, 0, 0, 0, 0, 0]. [2023-11-29 02:29:35,447 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:29:34" (1/1) ... [2023-11-29 02:29:35,448 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:29:34" (1/1) ... [2023-11-29 02:29:35,553 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:29:34" (1/1) ... [2023-11-29 02:29:35,576 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:29:34" (1/1) ... [2023-11-29 02:29:35,599 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:29:34" (1/1) ... [2023-11-29 02:29:35,616 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:29:34" (1/1) ... [2023-11-29 02:29:35,654 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:29:35,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:29:35,656 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:29:35,656 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:29:35,656 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:29:34" (1/1) ... [2023-11-29 02:29:35,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:29:35,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a350445-78b1-49b1-beb2-a0121e6e030b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:29:35,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a350445-78b1-49b1-beb2-a0121e6e030b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:29:35,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a350445-78b1-49b1-beb2-a0121e6e030b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:29:35,723 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-29 02:29:35,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2023-11-29 02:29:35,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2023-11-29 02:29:35,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 02:29:35,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_scenario_3 [2023-11-29 02:29:35,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_scenario_3 [2023-11-29 02:29:35,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 02:29:35,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 02:29:35,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-29 02:29:35,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-29 02:29:35,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-29 02:29:35,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-29 02:29:35,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-29 02:29:35,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-29 02:29:35,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-29 02:29:35,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-29 02:29:35,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-29 02:29:35,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-29 02:29:35,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-29 02:29:35,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-29 02:29:35,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-29 02:29:35,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-29 02:29:35,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-29 02:29:35,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-29 02:29:35,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-29 02:29:35,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-29 02:29:35,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-29 02:29:35,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2023-11-29 02:29:35,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2023-11-29 02:29:35,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2023-11-29 02:29:35,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2023-11-29 02:29:35,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2023-11-29 02:29:35,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2023-11-29 02:29:35,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2023-11-29 02:29:35,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2023-11-29 02:29:35,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2023-11-29 02:29:35,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2023-11-29 02:29:35,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#31 [2023-11-29 02:29:35,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#32 [2023-11-29 02:29:35,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#33 [2023-11-29 02:29:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 02:29:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-29 02:29:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-29 02:29:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-29 02:29:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-29 02:29:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-29 02:29:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-29 02:29:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-29 02:29:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-29 02:29:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-29 02:29:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-29 02:29:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-29 02:29:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-29 02:29:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-29 02:29:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-29 02:29:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-29 02:29:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-29 02:29:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-29 02:29:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-29 02:29:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-29 02:29:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-29 02:29:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-29 02:29:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2023-11-29 02:29:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2023-11-29 02:29:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2023-11-29 02:29:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2023-11-29 02:29:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2023-11-29 02:29:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2023-11-29 02:29:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2023-11-29 02:29:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#28 [2023-11-29 02:29:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#29 [2023-11-29 02:29:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#30 [2023-11-29 02:29:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#31 [2023-11-29 02:29:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#32 [2023-11-29 02:29:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#33 [2023-11-29 02:29:35,731 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-29 02:29:35,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 02:29:35,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 02:29:35,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 02:29:35,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 02:29:35,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 02:29:35,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-29 02:29:35,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-29 02:29:35,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-29 02:29:35,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-29 02:29:35,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-29 02:29:35,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-29 02:29:35,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-29 02:29:35,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-29 02:29:35,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-29 02:29:35,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-29 02:29:35,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-29 02:29:35,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-29 02:29:35,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-29 02:29:35,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-29 02:29:35,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-29 02:29:35,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-29 02:29:35,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-29 02:29:35,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-11-29 02:29:35,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-11-29 02:29:35,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-11-29 02:29:35,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2023-11-29 02:29:35,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2023-11-29 02:29:35,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2023-11-29 02:29:35,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2023-11-29 02:29:35,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2023-11-29 02:29:35,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2023-11-29 02:29:35,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2023-11-29 02:29:35,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#32 [2023-11-29 02:29:35,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#33 [2023-11-29 02:29:35,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 02:29:35,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 02:29:35,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 02:29:35,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 02:29:35,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 02:29:35,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-29 02:29:35,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-29 02:29:35,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-29 02:29:35,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-29 02:29:35,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-29 02:29:35,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-29 02:29:35,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-29 02:29:35,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-29 02:29:35,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-29 02:29:35,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-29 02:29:35,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-29 02:29:35,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-29 02:29:35,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-29 02:29:35,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-29 02:29:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-29 02:29:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-29 02:29:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-29 02:29:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-11-29 02:29:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-11-29 02:29:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-11-29 02:29:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2023-11-29 02:29:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2023-11-29 02:29:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2023-11-29 02:29:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2023-11-29 02:29:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2023-11-29 02:29:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2023-11-29 02:29:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2023-11-29 02:29:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#32 [2023-11-29 02:29:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#33 [2023-11-29 02:29:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-29 02:29:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 02:29:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:29:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 02:29:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 02:29:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-29 02:29:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-29 02:29:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-29 02:29:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-29 02:29:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-29 02:29:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-29 02:29:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-29 02:29:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-29 02:29:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-29 02:29:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-29 02:29:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-29 02:29:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-29 02:29:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-29 02:29:35,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-29 02:29:35,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-29 02:29:35,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-29 02:29:35,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-29 02:29:35,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-29 02:29:35,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-29 02:29:35,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2023-11-29 02:29:35,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2023-11-29 02:29:35,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2023-11-29 02:29:35,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2023-11-29 02:29:35,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2023-11-29 02:29:35,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2023-11-29 02:29:35,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2023-11-29 02:29:35,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2023-11-29 02:29:35,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2023-11-29 02:29:35,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2023-11-29 02:29:35,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#31 [2023-11-29 02:29:35,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#32 [2023-11-29 02:29:35,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#33 [2023-11-29 02:29:35,740 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-29 02:29:35,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_character_driver_scenario_2 [2023-11-29 02:29:35,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_character_driver_scenario_2 [2023-11-29 02:29:35,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 02:29:35,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 02:29:35,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 02:29:35,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 02:29:35,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 02:29:35,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-29 02:29:35,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-29 02:29:35,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-29 02:29:35,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-29 02:29:35,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-29 02:29:35,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-29 02:29:35,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-29 02:29:35,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-29 02:29:35,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-29 02:29:35,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-29 02:29:35,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-29 02:29:35,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-29 02:29:35,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-29 02:29:35,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-29 02:29:35,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-29 02:29:35,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-29 02:29:35,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-29 02:29:35,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-11-29 02:29:35,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-11-29 02:29:35,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-11-29 02:29:35,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2023-11-29 02:29:35,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2023-11-29 02:29:35,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2023-11-29 02:29:35,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2023-11-29 02:29:35,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2023-11-29 02:29:35,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2023-11-29 02:29:35,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2023-11-29 02:29:35,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#32 [2023-11-29 02:29:35,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#33 [2023-11-29 02:29:35,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:29:35,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:29:35,749 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 02:29:36,371 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:29:36,373 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:29:41,544 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:29:47,565 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:29:47,565 INFO L309 CfgBuilder]: Removed 29 assume(true) statements. [2023-11-29 02:29:47,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:29:47 BoogieIcfgContainer [2023-11-29 02:29:47,565 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:29:47,568 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:29:47,568 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:29:47,571 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:29:47,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:29:32" (1/3) ... [2023-11-29 02:29:47,572 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@770cfe09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:29:47, skipping insertion in model container [2023-11-29 02:29:47,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:29:34" (2/3) ... [2023-11-29 02:29:47,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@770cfe09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:29:47, skipping insertion in model container [2023-11-29 02:29:47,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:29:47" (3/3) ... [2023-11-29 02:29:47,574 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2023-11-29 02:29:47,584 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 02:29:47,593 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:29:47,593 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 60 error locations. [2023-11-29 02:29:47,593 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 02:29:48,427 INFO L144 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2023-11-29 02:29:48,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 335 places, 405 transitions, 843 flow [2023-11-29 02:29:48,720 INFO L124 PetriNetUnfolderBase]: 130/700 cut-off events. [2023-11-29 02:29:48,721 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-29 02:29:48,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 723 conditions, 700 events. 130/700 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 4066 event pairs, 0 based on Foata normal form. 0/458 useless extension candidates. Maximal degree in co-relation 706. Up to 18 conditions per place. [2023-11-29 02:29:48,733 INFO L82 GeneralOperation]: Start removeDead. Operand has 335 places, 405 transitions, 843 flow [2023-11-29 02:29:48,748 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 326 places, 396 transitions, 816 flow [2023-11-29 02:29:48,758 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:29:48,763 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@7b825e7c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:29:48,764 INFO L358 AbstractCegarLoop]: Starting to check reachability of 125 error locations. [2023-11-29 02:29:48,819 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 02:29:48,819 INFO L124 PetriNetUnfolderBase]: 11/84 cut-off events. [2023-11-29 02:29:48,820 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-29 02:29:48,820 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:29:48,820 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:29:48,821 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_usb_scenario_3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_character_driver_scenario_2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 123 more)] === [2023-11-29 02:29:48,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:29:48,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1753314020, now seen corresponding path program 1 times [2023-11-29 02:29:48,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:29:48,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616263526] [2023-11-29 02:29:48,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:29:48,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:29:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:29:49,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:29:49,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:29:49,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616263526] [2023-11-29 02:29:49,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616263526] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:29:49,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:29:49,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:29:49,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559523364] [2023-11-29 02:29:49,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:29:49,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:29:49,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:29:49,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:29:49,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:29:49,500 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 407 [2023-11-29 02:29:49,504 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 396 transitions, 816 flow. Second operand has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:49,504 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:29:49,504 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 407 [2023-11-29 02:29:49,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:16,070 INFO L124 PetriNetUnfolderBase]: 294362/448206 cut-off events. [2023-11-29 02:31:16,070 INFO L125 PetriNetUnfolderBase]: For 2133/2133 co-relation queries the response was YES. [2023-11-29 02:31:16,747 INFO L83 FinitePrefix]: Finished finitePrefix Result has 838387 conditions, 448206 events. 294362/448206 cut-off events. For 2133/2133 co-relation queries the response was YES. Maximal size of possible extension queue 5490. Compared 3870297 event pairs, 129693 based on Foata normal form. 1430/351084 useless extension candidates. Maximal degree in co-relation 836952. Up to 237939 conditions per place. [2023-11-29 02:31:18,318 INFO L140 encePairwiseOnDemand]: 400/407 looper letters, 534 selfloop transitions, 3 changer transitions 0/647 dead transitions. [2023-11-29 02:31:18,318 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 327 places, 647 transitions, 2404 flow [2023-11-29 02:31:18,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:18,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:18,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 885 transitions. [2023-11-29 02:31:18,337 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7248157248157249 [2023-11-29 02:31:18,338 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 885 transitions. [2023-11-29 02:31:18,339 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 885 transitions. [2023-11-29 02:31:18,342 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:18,345 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 885 transitions. [2023-11-29 02:31:18,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 295.0) internal successors, (885), 3 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:18,359 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 407.0) internal successors, (1628), 4 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:18,360 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 407.0) internal successors, (1628), 4 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:18,362 INFO L175 Difference]: Start difference. First operand has 326 places, 396 transitions, 816 flow. Second operand 3 states and 885 transitions. [2023-11-29 02:31:18,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 327 places, 647 transitions, 2404 flow [2023-11-29 02:31:18,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 647 transitions, 2380 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-29 02:31:18,403 INFO L231 Difference]: Finished difference. Result has 322 places, 396 transitions, 817 flow [2023-11-29 02:31:18,406 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=407, PETRI_DIFFERENCE_MINUEND_FLOW=796, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=817, PETRI_PLACES=322, PETRI_TRANSITIONS=396} [2023-11-29 02:31:18,408 INFO L281 CegarLoopForPetriNet]: 326 programPoint places, -4 predicate places. [2023-11-29 02:31:18,409 INFO L495 AbstractCegarLoop]: Abstraction has has 322 places, 396 transitions, 817 flow [2023-11-29 02:31:18,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:18,409 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:18,410 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:31:18,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:31:18,410 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_usb_scenario_3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_character_driver_scenario_2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 123 more)] === [2023-11-29 02:31:18,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:18,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1308125064, now seen corresponding path program 1 times [2023-11-29 02:31:18,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:18,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415973554] [2023-11-29 02:31:18,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:18,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:18,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:31:18,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:18,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415973554] [2023-11-29 02:31:18,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415973554] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:18,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:18,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:18,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952998119] [2023-11-29 02:31:18,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:18,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:18,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:18,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:18,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:18,764 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 407 [2023-11-29 02:31:18,765 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 396 transitions, 817 flow. Second operand has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:18,765 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:18,765 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 407 [2023-11-29 02:31:18,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:32:46,772 INFO L124 PetriNetUnfolderBase]: 339819/487660 cut-off events. [2023-11-29 02:32:46,772 INFO L125 PetriNetUnfolderBase]: For 8741/10943 co-relation queries the response was YES. [2023-11-29 02:32:47,405 INFO L83 FinitePrefix]: Finished finitePrefix Result has 952360 conditions, 487660 events. 339819/487660 cut-off events. For 8741/10943 co-relation queries the response was YES. Maximal size of possible extension queue 5577. Compared 3823581 event pairs, 78836 based on Foata normal form. 14460/399508 useless extension candidates. Maximal degree in co-relation 418975. Up to 313834 conditions per place. [2023-11-29 02:32:48,999 INFO L140 encePairwiseOnDemand]: 399/407 looper letters, 494 selfloop transitions, 3 changer transitions 0/597 dead transitions. [2023-11-29 02:32:48,999 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 597 transitions, 2222 flow [2023-11-29 02:32:49,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:32:49,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:32:49,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 812 transitions. [2023-11-29 02:32:49,004 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.665028665028665 [2023-11-29 02:32:49,004 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 812 transitions. [2023-11-29 02:32:49,004 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 812 transitions. [2023-11-29 02:32:49,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:32:49,005 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 812 transitions. [2023-11-29 02:32:49,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 270.6666666666667) internal successors, (812), 3 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:49,012 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 407.0) internal successors, (1628), 4 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:49,013 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 407.0) internal successors, (1628), 4 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:49,013 INFO L175 Difference]: Start difference. First operand has 322 places, 396 transitions, 817 flow. Second operand 3 states and 812 transitions. [2023-11-29 02:32:49,013 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 597 transitions, 2222 flow [2023-11-29 02:32:49,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 597 transitions, 2218 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 02:32:49,083 INFO L231 Difference]: Finished difference. Result has 318 places, 392 transitions, 823 flow [2023-11-29 02:32:49,084 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=407, PETRI_DIFFERENCE_MINUEND_FLOW=802, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=387, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=823, PETRI_PLACES=318, PETRI_TRANSITIONS=392} [2023-11-29 02:32:49,084 INFO L281 CegarLoopForPetriNet]: 326 programPoint places, -8 predicate places. [2023-11-29 02:32:49,085 INFO L495 AbstractCegarLoop]: Abstraction has has 318 places, 392 transitions, 823 flow [2023-11-29 02:32:49,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:49,085 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:32:49,085 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:32:49,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 02:32:49,086 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_usb_scenario_3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_character_driver_scenario_2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 123 more)] === [2023-11-29 02:32:49,086 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:32:49,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1897188940, now seen corresponding path program 1 times [2023-11-29 02:32:49,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:32:49,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722246435] [2023-11-29 02:32:49,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:32:49,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:32:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:32:49,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:32:49,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:32:49,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722246435] [2023-11-29 02:32:49,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722246435] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:32:49,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:32:49,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:32:49,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381624006] [2023-11-29 02:32:49,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:32:49,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:32:49,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:32:49,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:32:49,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:32:49,396 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 407 [2023-11-29 02:32:49,397 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 392 transitions, 823 flow. Second operand has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:32:49,397 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:32:49,397 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 407 [2023-11-29 02:32:49,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:32:51,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []