./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b2b85e-8511-43c8-a484-f94bd1fde5be/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b2b85e-8511-43c8-a484-f94bd1fde5be/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b2b85e-8511-43c8-a484-f94bd1fde5be/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b2b85e-8511-43c8-a484-f94bd1fde5be/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b2b85e-8511-43c8-a484-f94bd1fde5be/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b2b85e-8511-43c8-a484-f94bd1fde5be/bin/uautomizer-verify-bycVGegfSx --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 5a536358e61e0a2255e3ce0de609a7b791794491b46be2e56aac063bb1d719b1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:25:28,987 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:25:29,100 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b2b85e-8511-43c8-a484-f94bd1fde5be/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:25:29,109 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:25:29,110 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:25:29,155 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:25:29,156 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:25:29,157 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:25:29,158 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:25:29,159 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:25:29,159 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:25:29,160 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:25:29,161 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:25:29,161 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:25:29,162 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:25:29,163 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:25:29,164 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:25:29,164 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:25:29,165 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:25:29,166 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:25:29,166 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:25:29,167 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:25:29,168 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:25:29,168 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:25:29,169 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:25:29,170 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:25:29,170 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:25:29,171 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:25:29,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:25:29,172 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:25:29,173 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:25:29,173 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:25:29,174 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:25:29,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:25:29,175 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:25:29,175 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:25:29,176 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:25:29,176 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:25:29,176 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:25:29,177 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_f6b2b85e-8511-43c8-a484-f94bd1fde5be/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b2b85e-8511-43c8-a484-f94bd1fde5be/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a536358e61e0a2255e3ce0de609a7b791794491b46be2e56aac063bb1d719b1 [2023-11-21 22:25:29,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:25:29,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:25:29,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:25:29,464 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:25:29,464 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:25:29,466 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b2b85e-8511-43c8-a484-f94bd1fde5be/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i [2023-11-21 22:25:32,707 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:25:33,452 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:25:33,453 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b2b85e-8511-43c8-a484-f94bd1fde5be/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i [2023-11-21 22:25:33,508 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b2b85e-8511-43c8-a484-f94bd1fde5be/bin/uautomizer-verify-bycVGegfSx/data/97e77daca/08a979edc58448aa9b61f7c6f20c75a7/FLAGce22bde24 [2023-11-21 22:25:33,526 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b2b85e-8511-43c8-a484-f94bd1fde5be/bin/uautomizer-verify-bycVGegfSx/data/97e77daca/08a979edc58448aa9b61f7c6f20c75a7 [2023-11-21 22:25:33,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:25:33,531 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:25:33,533 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:25:33,533 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:25:33,539 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:25:33,540 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:25:33" (1/1) ... [2023-11-21 22:25:33,541 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75167af1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:33, skipping insertion in model container [2023-11-21 22:25:33,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:25:33" (1/1) ... [2023-11-21 22:25:33,745 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:25:36,518 WARN L240 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_f6b2b85e-8511-43c8-a484-f94bd1fde5be/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293480,293493] [2023-11-21 22:25:36,522 WARN L240 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_f6b2b85e-8511-43c8-a484-f94bd1fde5be/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293625,293638] [2023-11-21 22:25:36,537 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:25:36,581 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:25:36,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3837] [2023-11-21 22:25:36,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3892] [2023-11-21 22:25:36,686 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3895] [2023-11-21 22:25:36,686 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3898] [2023-11-21 22:25:36,686 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3901] [2023-11-21 22:25:36,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4621] [2023-11-21 22:25:36,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4627] [2023-11-21 22:25:36,732 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___5->state): : "memory", "cc"); [4742-4743] [2023-11-21 22:25:36,732 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___6->state): : "memory", "cc"); [4749-4750] [2023-11-21 22:25:36,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___7->state): : "memory", "cc"); [4756-4757] [2023-11-21 22:25:36,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___8->state): : "memory", "cc"); [4763-4764] [2023-11-21 22:25:36,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5499] [2023-11-21 22:25:37,143 WARN L240 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_f6b2b85e-8511-43c8-a484-f94bd1fde5be/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293480,293493] [2023-11-21 22:25:37,143 WARN L240 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_f6b2b85e-8511-43c8-a484-f94bd1fde5be/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293625,293638] [2023-11-21 22:25:37,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:25:37,319 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:25:37,319 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:25:37,327 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:25:37,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:37 WrapperNode [2023-11-21 22:25:37,329 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:25:37,330 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:25:37,330 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:25:37,330 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:25:37,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:37" (1/1) ... [2023-11-21 22:25:37,461 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:37" (1/1) ... [2023-11-21 22:25:37,667 INFO L138 Inliner]: procedures = 363, calls = 3045, calls flagged for inlining = 178, calls inlined = 134, statements flattened = 5109 [2023-11-21 22:25:37,668 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:25:37,669 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:25:37,669 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:25:37,669 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:25:37,681 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:37" (1/1) ... [2023-11-21 22:25:37,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:37" (1/1) ... [2023-11-21 22:25:37,725 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:37" (1/1) ... [2023-11-21 22:25:38,950 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure #Ultimate.C_strcpy is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2023-11-21 22:25:38,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:37" (1/1) ... [2023-11-21 22:25:38,951 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:37" (1/1) ... [2023-11-21 22:25:39,126 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:37" (1/1) ... [2023-11-21 22:25:39,156 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:37" (1/1) ... [2023-11-21 22:25:39,194 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:37" (1/1) ... [2023-11-21 22:25:39,215 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:37" (1/1) ... [2023-11-21 22:25:39,255 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:25:39,256 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:25:39,257 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:25:39,257 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:25:39,258 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:37" (1/1) ... [2023-11-21 22:25:39,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:25:39,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b2b85e-8511-43c8-a484-f94bd1fde5be/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:39,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b2b85e-8511-43c8-a484-f94bd1fde5be/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:25:39,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b2b85e-8511-43c8-a484-f94bd1fde5be/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:25:39,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-21 22:25:39,353 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-21 22:25:39,353 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-11-21 22:25:39,354 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-11-21 22:25:39,354 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-21 22:25:39,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 22:25:39,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 22:25:39,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 22:25:39,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 22:25:39,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 22:25:39,356 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 22:25:39,356 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2023-11-21 22:25:39,357 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2023-11-21 22:25:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-21 22:25:39,357 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-21 22:25:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2023-11-21 22:25:39,360 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2023-11-21 22:25:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 22:25:39,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 22:25:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure send_packet [2023-11-21 22:25:39,360 INFO L138 BoogieDeclarations]: Found implementation of procedure send_packet [2023-11-21 22:25:39,361 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2023-11-21 22:25:39,361 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2023-11-21 22:25:39,361 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-21 22:25:39,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-21 22:25:39,361 INFO L130 BoogieDeclarations]: Found specification of procedure imon_disconnect [2023-11-21 22:25:39,361 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_disconnect [2023-11-21 22:25:39,361 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2023-11-21 22:25:39,362 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2023-11-21 22:25:39,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_5_4 [2023-11-21 22:25:39,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_5_4 [2023-11-21 22:25:39,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-21 22:25:39,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-21 22:25:39,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:25:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2023-11-21 22:25:39,363 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2023-11-21 22:25:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:25:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-21 22:25:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-21 22:25:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-21 22:25:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-21 22:25:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2023-11-21 22:25:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2023-11-21 22:25:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:25:39,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 22:25:39,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2023-11-21 22:25:39,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2023-11-21 22:25:39,365 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 22:25:39,366 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 22:25:39,367 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-21 22:25:39,367 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-21 22:25:39,367 INFO L130 BoogieDeclarations]: Found specification of procedure imon_resume [2023-11-21 22:25:39,368 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_resume [2023-11-21 22:25:39,368 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-21 22:25:39,368 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-21 22:25:39,368 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-21 22:25:39,368 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-21 22:25:39,368 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-11-21 22:25:39,369 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-11-21 22:25:39,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-21 22:25:39,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-21 22:25:39,370 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2023-11-21 22:25:39,370 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2023-11-21 22:25:39,370 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2023-11-21 22:25:39,370 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2023-11-21 22:25:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 22:25:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-21 22:25:39,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-21 22:25:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-21 22:25:39,371 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-21 22:25:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2023-11-21 22:25:39,372 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2023-11-21 22:25:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 22:25:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-21 22:25:39,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-21 22:25:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-21 22:25:39,373 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-21 22:25:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2023-11-21 22:25:39,373 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2023-11-21 22:25:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2023-11-21 22:25:39,374 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2023-11-21 22:25:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:25:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2023-11-21 22:25:39,374 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2023-11-21 22:25:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-21 22:25:39,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-21 22:25:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 22:25:39,375 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 22:25:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-21 22:25:39,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-21 22:25:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-21 22:25:39,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-21 22:25:39,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-21 22:25:39,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-21 22:25:39,376 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-21 22:25:39,376 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-21 22:25:39,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-21 22:25:39,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-21 22:25:39,377 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-11-21 22:25:39,377 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-11-21 22:25:39,378 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 22:25:39,378 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 22:25:39,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:25:39,378 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2023-11-21 22:25:39,378 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2023-11-21 22:25:39,378 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-21 22:25:39,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-21 22:25:39,379 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2023-11-21 22:25:39,379 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2023-11-21 22:25:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2023-11-21 22:25:39,380 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2023-11-21 22:25:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 22:25:39,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 22:25:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:25:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-21 22:25:39,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-21 22:25:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2023-11-21 22:25:39,381 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2023-11-21 22:25:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-21 22:25:39,381 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-21 22:25:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:25:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-21 22:25:39,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-21 22:25:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:25:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2023-11-21 22:25:39,383 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2023-11-21 22:25:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-21 22:25:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure display_close [2023-11-21 22:25:39,383 INFO L138 BoogieDeclarations]: Found implementation of procedure display_close [2023-11-21 22:25:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2023-11-21 22:25:39,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2023-11-21 22:25:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-21 22:25:39,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-21 22:25:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-21 22:25:39,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-21 22:25:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-21 22:25:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-21 22:25:39,390 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2023-11-21 22:25:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2023-11-21 22:25:39,390 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-21 22:25:39,391 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-21 22:25:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-21 22:25:39,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-21 22:25:39,392 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2023-11-21 22:25:39,397 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2023-11-21 22:25:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure imon_find_endpoints [2023-11-21 22:25:39,398 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_find_endpoints [2023-11-21 22:25:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure display_open [2023-11-21 22:25:39,398 INFO L138 BoogieDeclarations]: Found implementation of procedure display_open [2023-11-21 22:25:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:25:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-11-21 22:25:39,399 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-11-21 22:25:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-21 22:25:39,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-21 22:25:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:25:39,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:25:40,100 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:25:40,104 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:25:40,320 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 22:26:06,421 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-21 22:26:06,533 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:26:08,138 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:26:08,139 INFO L308 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-21 22:26:08,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:26:08 BoogieIcfgContainer [2023-11-21 22:26:08,141 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:26:08,145 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:26:08,145 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:26:08,149 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:26:08,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:25:33" (1/3) ... [2023-11-21 22:26:08,151 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c7fbbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:26:08, skipping insertion in model container [2023-11-21 22:26:08,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:37" (2/3) ... [2023-11-21 22:26:08,152 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c7fbbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:26:08, skipping insertion in model container [2023-11-21 22:26:08,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:26:08" (3/3) ... [2023-11-21 22:26:08,154 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i [2023-11-21 22:26:08,177 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:26:08,177 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:26:08,278 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:26:08,287 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;@7742041d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:26:08,287 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:26:08,301 INFO L276 IsEmpty]: Start isEmpty. Operand has 1234 states, 743 states have (on average 1.3189771197846567) internal successors, (980), 752 states have internal predecessors, (980), 423 states have call successors, (423), 69 states have call predecessors, (423), 68 states have return successors, (417), 416 states have call predecessors, (417), 417 states have call successors, (417) [2023-11-21 22:26:08,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2023-11-21 22:26:08,353 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:26:08,354 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:26:08,354 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:26:08,359 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:26:08,360 INFO L85 PathProgramCache]: Analyzing trace with hash -999432671, now seen corresponding path program 1 times [2023-11-21 22:26:08,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:26:08,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008858523] [2023-11-21 22:26:08,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:26:08,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:26:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:09,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:26:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:09,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:26:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:09,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-21 22:26:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:09,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:26:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:09,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-21 22:26:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:09,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:26:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:09,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 22:26:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:09,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:26:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-21 22:26:10,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:26:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-21 22:26:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:26:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 22:26:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:26:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-21 22:26:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:26:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-21 22:26:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:26:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-21 22:26:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:26:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-21 22:26:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:26:10,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-21 22:26:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:26:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-21 22:26:10,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:26:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-21 22:26:10,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:26:10,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-21 22:26:10,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:26:10,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-21 22:26:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:26:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-21 22:26:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:26:10,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-21 22:26:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:26:10,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-21 22:26:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:26:10,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-21 22:26:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-21 22:26:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:26:10,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-21 22:26:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-21 22:26:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2023-11-21 22:26:10,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:10,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2023-11-21 22:26:10,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:26:10,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008858523] [2023-11-21 22:26:10,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008858523] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:26:10,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:26:10,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:26:10,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311866888] [2023-11-21 22:26:10,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:26:10,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 22:26:10,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:26:10,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 22:26:10,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:26:10,532 INFO L87 Difference]: Start difference. First operand has 1234 states, 743 states have (on average 1.3189771197846567) internal successors, (980), 752 states have internal predecessors, (980), 423 states have call successors, (423), 69 states have call predecessors, (423), 68 states have return successors, (417), 416 states have call predecessors, (417), 417 states have call successors, (417) Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-21 22:26:17,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:26:19,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:26:21,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:26:25,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []