./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--rc--imon.ko-entry_point.cil.out.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_7c5d79b6-3876-4eca-8a3a-fc65ea8c519c/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5d79b6-3876-4eca-8a3a-fc65ea8c519c/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_7c5d79b6-3876-4eca-8a3a-fc65ea8c519c/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5d79b6-3876-4eca-8a3a-fc65ea8c519c/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--rc--imon.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5d79b6-3876-4eca-8a3a-fc65ea8c519c/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_7c5d79b6-3876-4eca-8a3a-fc65ea8c519c/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 1dadd209c6e3ebdaafa15f295f1ec8ec38d24c8a1f9b514f05808fa8c7c3e21c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:20:47,036 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:20:47,181 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5d79b6-3876-4eca-8a3a-fc65ea8c519c/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:20:47,190 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:20:47,191 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:20:47,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:20:47,238 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:20:47,239 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:20:47,240 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:20:47,247 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:20:47,248 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:20:47,248 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:20:47,249 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:20:47,251 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:20:47,252 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:20:47,252 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:20:47,253 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:20:47,253 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:20:47,254 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:20:47,254 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:20:47,255 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:20:47,255 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:20:47,256 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:20:47,256 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:20:47,257 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:20:47,258 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:20:47,258 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:20:47,259 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:20:47,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:20:47,260 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:20:47,261 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:20:47,261 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:20:47,262 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:20:47,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:20:47,262 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:20:47,263 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:20:47,263 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:20:47,263 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:20:47,263 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:20:47,264 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_7c5d79b6-3876-4eca-8a3a-fc65ea8c519c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5d79b6-3876-4eca-8a3a-fc65ea8c519c/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1dadd209c6e3ebdaafa15f295f1ec8ec38d24c8a1f9b514f05808fa8c7c3e21c [2023-11-21 22:20:47,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:20:47,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:20:47,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:20:47,666 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:20:47,667 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:20:47,669 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5d79b6-3876-4eca-8a3a-fc65ea8c519c/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--rc--imon.ko-entry_point.cil.out.i [2023-11-21 22:20:51,032 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:20:51,688 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:20:51,689 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5d79b6-3876-4eca-8a3a-fc65ea8c519c/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--rc--imon.ko-entry_point.cil.out.i [2023-11-21 22:20:51,747 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5d79b6-3876-4eca-8a3a-fc65ea8c519c/bin/uautomizer-verify-bycVGegfSx/data/8de633f91/7a3e83fc911f467e8dbba0a756d9a69d/FLAG5872a5c3d [2023-11-21 22:20:51,766 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5d79b6-3876-4eca-8a3a-fc65ea8c519c/bin/uautomizer-verify-bycVGegfSx/data/8de633f91/7a3e83fc911f467e8dbba0a756d9a69d [2023-11-21 22:20:51,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:20:51,800 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:20:51,802 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:20:51,802 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:20:51,807 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:20:51,808 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:20:51" (1/1) ... [2023-11-21 22:20:51,809 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c0689f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:51, skipping insertion in model container [2023-11-21 22:20:51,810 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:20:51" (1/1) ... [2023-11-21 22:20:51,961 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:20:53,221 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_7c5d79b6-3876-4eca-8a3a-fc65ea8c519c/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--rc--imon.ko-entry_point.cil.out.i[117505,117518] [2023-11-21 22:20:54,181 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:20:54,247 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:20:54,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [3743] [2023-11-21 22:20:54,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapq %0": "=r" (val): "0" (val)); [3750] [2023-11-21 22:20:54,362 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3774] [2023-11-21 22:20:54,363 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3793] [2023-11-21 22:20:54,364 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3796] [2023-11-21 22:20:54,364 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3799] [2023-11-21 22:20:54,365 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3802] [2023-11-21 22:20:54,382 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_7c5d79b6-3876-4eca-8a3a-fc65ea8c519c/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--rc--imon.ko-entry_point.cil.out.i[117505,117518] [2023-11-21 22:20:54,405 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4544] [2023-11-21 22:20:54,405 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4548] [2023-11-21 22:20:54,411 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___5->state): : "memory", "cc"); [4628-4629] [2023-11-21 22:20:54,411 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___6->state): : "memory", "cc"); [4633-4634] [2023-11-21 22:20:54,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___7->state): : "memory", "cc"); [4638-4639] [2023-11-21 22:20:54,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___8->state): : "memory", "cc"); [4643-4644] [2023-11-21 22:20:54,518 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5291] [2023-11-21 22:20:54,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:20:54,822 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:20:54,822 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:20:54,832 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:20:54,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:54 WrapperNode [2023-11-21 22:20:54,833 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:20:54,835 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:20:54,835 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:20:54,835 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:20:54,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:54" (1/1) ... [2023-11-21 22:20:54,939 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:54" (1/1) ... [2023-11-21 22:20:55,195 INFO L138 Inliner]: procedures = 229, calls = 2652, calls flagged for inlining = 103, calls inlined = 100, statements flattened = 5468 [2023-11-21 22:20:55,196 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:20:55,197 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:20:55,197 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:20:55,197 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:20:55,210 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:54" (1/1) ... [2023-11-21 22:20:55,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:54" (1/1) ... [2023-11-21 22:20:55,253 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:54" (1/1) ... [2023-11-21 22:20:56,139 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 22:20:56,140 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:54" (1/1) ... [2023-11-21 22:20:56,140 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:54" (1/1) ... [2023-11-21 22:20:56,306 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:54" (1/1) ... [2023-11-21 22:20:56,332 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:54" (1/1) ... [2023-11-21 22:20:56,359 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:54" (1/1) ... [2023-11-21 22:20:56,382 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:54" (1/1) ... [2023-11-21 22:20:56,436 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:20:56,438 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:20:56,438 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:20:56,438 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:20:56,439 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:54" (1/1) ... [2023-11-21 22:20:56,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:20:56,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5d79b6-3876-4eca-8a3a-fc65ea8c519c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:56,477 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5d79b6-3876-4eca-8a3a-fc65ea8c519c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:56,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5d79b6-3876-4eca-8a3a-fc65ea8c519c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:20:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-21 22:20:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-21 22:20:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-21 22:20:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-21 22:20:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-21 22:20:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 22:20:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 22:20:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 22:20:56,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 22:20:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2023-11-21 22:20:56,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2023-11-21 22:20:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_rel [2023-11-21 22:20:56,542 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_rel [2023-11-21 22:20:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_26 [2023-11-21 22:20:56,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_26 [2023-11-21 22:20:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-21 22:20:56,545 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-21 22:20:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2023-11-21 22:20:56,546 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2023-11-21 22:20:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 22:20:56,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 22:20:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2023-11-21 22:20:56,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2023-11-21 22:20:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure send_packet [2023-11-21 22:20:56,548 INFO L138 BoogieDeclarations]: Found implementation of procedure send_packet [2023-11-21 22:20:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2023-11-21 22:20:56,548 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2023-11-21 22:20:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-21 22:20:56,548 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-21 22:20:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-21 22:20:56,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-21 22:20:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure imon_disconnect [2023-11-21 22:20:56,549 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_disconnect [2023-11-21 22:20:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2023-11-21 22:20:56,549 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2023-11-21 22:20:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure rc_g_keycode_from_table [2023-11-21 22:20:56,550 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_g_keycode_from_table [2023-11-21 22:20:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:20:56,550 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:20:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2023-11-21 22:20:56,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2023-11-21 22:20:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-21 22:20:56,551 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-21 22:20:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:20:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2023-11-21 22:20:56,552 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2023-11-21 22:20:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_10 [2023-11-21 22:20:56,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_10 [2023-11-21 22:20:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:20:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_11 [2023-11-21 22:20:56,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_11 [2023-11-21 22:20:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2023-11-21 22:20:56,554 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2023-11-21 22:20:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-21 22:20:56,555 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-21 22:20:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2023-11-21 22:20:56,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2023-11-21 22:20:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:20:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 22:20:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 22:20:56,556 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 22:20:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-21 22:20:56,557 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-21 22:20:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2023-11-21 22:20:56,557 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2023-11-21 22:20:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-21 22:20:56,557 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-21 22:20:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-21 22:20:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-21 22:20:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-21 22:20:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-21 22:20:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-21 22:20:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-21 22:20:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2023-11-21 22:20:56,559 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2023-11-21 22:20:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rx_callback_intf1 [2023-11-21 22:20:56,560 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rx_callback_intf1 [2023-11-21 22:20:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rx_callback_intf0 [2023-11-21 22:20:56,560 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rx_callback_intf0 [2023-11-21 22:20:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2023-11-21 22:20:56,560 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2023-11-21 22:20:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 22:20:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-21 22:20:56,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-21 22:20:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-21 22:20:56,561 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-21 22:20:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2023-11-21 22:20:56,562 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2023-11-21 22:20:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-21 22:20:56,562 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-21 22:20:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 22:20:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-21 22:20:56,562 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-21 22:20:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2023-11-21 22:20:56,563 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2023-11-21 22:20:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2023-11-21 22:20:56,564 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2023-11-21 22:20:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:20:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2023-11-21 22:20:56,564 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2023-11-21 22:20:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_7 [2023-11-21 22:20:56,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_7 [2023-11-21 22:20:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 22:20:56,565 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 22:20:56,566 INFO L130 BoogieDeclarations]: Found specification of procedure lcd_write [2023-11-21 22:20:56,566 INFO L138 BoogieDeclarations]: Found implementation of procedure lcd_write [2023-11-21 22:20:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-21 22:20:56,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-21 22:20:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-21 22:20:56,567 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-21 22:20:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 22:20:56,567 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 22:20:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:20:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2023-11-21 22:20:56,568 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2023-11-21 22:20:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-21 22:20:56,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-21 22:20:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2023-11-21 22:20:56,569 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2023-11-21 22:20:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2023-11-21 22:20:56,569 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2023-11-21 22:20:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure imon_incoming_packet [2023-11-21 22:20:56,570 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_incoming_packet [2023-11-21 22:20:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 22:20:56,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 22:20:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure imon_remote_key_lookup [2023-11-21 22:20:56,570 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_remote_key_lookup [2023-11-21 22:20:56,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:20:56,571 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2023-11-21 22:20:56,571 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2023-11-21 22:20:56,571 INFO L130 BoogieDeclarations]: Found specification of procedure tv2int [2023-11-21 22:20:56,571 INFO L138 BoogieDeclarations]: Found implementation of procedure tv2int [2023-11-21 22:20:56,571 INFO L130 BoogieDeclarations]: Found specification of procedure stabilize [2023-11-21 22:20:56,572 INFO L138 BoogieDeclarations]: Found implementation of procedure stabilize [2023-11-21 22:20:56,573 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2023-11-21 22:20:56,576 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2023-11-21 22:20:56,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_6 [2023-11-21 22:20:56,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_6 [2023-11-21 22:20:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-21 22:20:56,578 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-21 22:20:56,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:20:56,579 INFO L130 BoogieDeclarations]: Found specification of procedure vfd_write [2023-11-21 22:20:56,579 INFO L138 BoogieDeclarations]: Found implementation of procedure vfd_write [2023-11-21 22:20:56,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-21 22:20:56,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-21 22:20:56,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:20:56,586 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2023-11-21 22:20:56,586 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2023-11-21 22:20:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-21 22:20:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2023-11-21 22:20:56,587 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2023-11-21 22:20:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure display_close [2023-11-21 22:20:56,588 INFO L138 BoogieDeclarations]: Found implementation of procedure display_close [2023-11-21 22:20:56,588 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:20:56,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:20:56,588 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2023-11-21 22:20:56,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2023-11-21 22:20:56,588 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2023-11-21 22:20:56,589 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2023-11-21 22:20:56,589 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2023-11-21 22:20:56,589 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2023-11-21 22:20:56,589 INFO L130 BoogieDeclarations]: Found specification of procedure imon_find_endpoints [2023-11-21 22:20:56,589 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_find_endpoints [2023-11-21 22:20:56,589 INFO L130 BoogieDeclarations]: Found specification of procedure display_open [2023-11-21 22:20:56,590 INFO L138 BoogieDeclarations]: Found implementation of procedure display_open [2023-11-21 22:20:56,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2023-11-21 22:20:56,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2023-11-21 22:20:56,590 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-21 22:20:56,590 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-21 22:20:56,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:20:56,590 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-11-21 22:20:56,591 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-11-21 22:20:56,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:20:56,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:20:57,438 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:20:57,443 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:21:05,728 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 22:21:19,189 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2023-11-21 22:21:23,873 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:21:27,654 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:21:27,654 INFO L308 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-21 22:21:27,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:21:27 BoogieIcfgContainer [2023-11-21 22:21:27,657 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:21:27,662 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:21:27,662 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:21:27,666 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:21:27,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:20:51" (1/3) ... [2023-11-21 22:21:27,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34d0760c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:21:27, skipping insertion in model container [2023-11-21 22:21:27,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:54" (2/3) ... [2023-11-21 22:21:27,669 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34d0760c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:21:27, skipping insertion in model container [2023-11-21 22:21:27,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:21:27" (3/3) ... [2023-11-21 22:21:27,671 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--media--rc--imon.ko-entry_point.cil.out.i [2023-11-21 22:21:27,693 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:21:27,694 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:21:27,801 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:21:27,809 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;@bef9618, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:21:27,810 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:21:27,827 INFO L276 IsEmpty]: Start isEmpty. Operand has 1283 states, 806 states have (on average 1.34863523573201) internal successors, (1087), 837 states have internal predecessors, (1087), 399 states have call successors, (399), 78 states have call predecessors, (399), 76 states have return successors, (390), 385 states have call predecessors, (390), 390 states have call successors, (390) [2023-11-21 22:21:27,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-21 22:21:27,859 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:21:27,860 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:21:27,861 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:21:27,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:21:27,866 INFO L85 PathProgramCache]: Analyzing trace with hash 781629934, now seen corresponding path program 1 times [2023-11-21 22:21:27,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:21:27,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683113495] [2023-11-21 22:21:27,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:21:27,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:21:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:28,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:21:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:28,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-21 22:21:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:28,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-21 22:21:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:28,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-21 22:21:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:28,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-21 22:21:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:29,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 22:21:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:29,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-21 22:21:29,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:29,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-21 22:21:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:29,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-21 22:21:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:29,075 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-21 22:21:29,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:21:29,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683113495] [2023-11-21 22:21:29,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683113495] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:21:29,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:21:29,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:21:29,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222284361] [2023-11-21 22:21:29,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:21:29,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:21:29,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:21:29,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:21:29,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:21:29,131 INFO L87 Difference]: Start difference. First operand has 1283 states, 806 states have (on average 1.34863523573201) internal successors, (1087), 837 states have internal predecessors, (1087), 399 states have call successors, (399), 78 states have call predecessors, (399), 76 states have return successors, (390), 385 states have call predecessors, (390), 390 states have call successors, (390) Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-21 22:21:32,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:21:34,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:21:36,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:21:38,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:21:42,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []