./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 9bd2c7ff 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_8d61ec5c-33ac-44a4-86ba-42764f40c7f4/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d61ec5c-33ac-44a4-86ba-42764f40c7f4/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d61ec5c-33ac-44a4-86ba-42764f40c7f4/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d61ec5c-33ac-44a4-86ba-42764f40c7f4/bin/uautomizer-verify-uCwYo4JHxu/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_8d61ec5c-33ac-44a4-86ba-42764f40c7f4/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d61ec5c-33ac-44a4-86ba-42764f40c7f4/bin/uautomizer-verify-uCwYo4JHxu --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-9bd2c7f [2023-11-19 07:43:38,094 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:43:38,196 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d61ec5c-33ac-44a4-86ba-42764f40c7f4/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:43:38,209 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:43:38,209 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:43:38,251 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:43:38,252 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:43:38,253 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:43:38,255 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:43:38,261 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:43:38,262 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:43:38,263 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:43:38,263 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:43:38,265 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:43:38,266 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:43:38,267 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:43:38,267 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:43:38,268 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:43:38,268 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:43:38,269 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:43:38,270 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:43:38,271 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:43:38,272 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:43:38,272 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:43:38,273 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:43:38,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:43:38,274 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:43:38,275 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:43:38,275 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:43:38,276 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:43:38,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:43:38,278 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:43:38,278 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:43:38,278 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:43:38,279 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:43:38,279 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:43:38,279 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_8d61ec5c-33ac-44a4-86ba-42764f40c7f4/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d61ec5c-33ac-44a4-86ba-42764f40c7f4/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1dadd209c6e3ebdaafa15f295f1ec8ec38d24c8a1f9b514f05808fa8c7c3e21c [2023-11-19 07:43:38,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:43:38,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:43:38,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:43:38,609 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:43:38,610 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:43:38,611 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d61ec5c-33ac-44a4-86ba-42764f40c7f4/bin/uautomizer-verify-uCwYo4JHxu/../../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 [2023-11-19 07:43:41,812 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:43:42,399 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:43:42,400 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d61ec5c-33ac-44a4-86ba-42764f40c7f4/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 [2023-11-19 07:43:42,449 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d61ec5c-33ac-44a4-86ba-42764f40c7f4/bin/uautomizer-verify-uCwYo4JHxu/data/6b8f1ac05/2038d3f4356a463e8b49d928d2011ce0/FLAG2504cdcdc [2023-11-19 07:43:42,470 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d61ec5c-33ac-44a4-86ba-42764f40c7f4/bin/uautomizer-verify-uCwYo4JHxu/data/6b8f1ac05/2038d3f4356a463e8b49d928d2011ce0 [2023-11-19 07:43:42,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:43:42,478 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:43:42,484 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:43:42,485 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:43:42,492 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:43:42,495 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:43:42" (1/1) ... [2023-11-19 07:43:42,496 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@636ee015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:42, skipping insertion in model container [2023-11-19 07:43:42,497 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:43:42" (1/1) ... [2023-11-19 07:43:42,634 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:43:43,796 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_8d61ec5c-33ac-44a4-86ba-42764f40c7f4/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] [2023-11-19 07:43:44,517 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:43:44,559 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:43:44,653 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [3743] [2023-11-19 07:43:44,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapq %0": "=r" (val): "0" (val)); [3750] [2023-11-19 07:43:44,657 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3774] [2023-11-19 07:43:44,658 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3793] [2023-11-19 07:43:44,658 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3796] [2023-11-19 07:43:44,659 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3799] [2023-11-19 07:43:44,659 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3802] [2023-11-19 07:43:44,689 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_8d61ec5c-33ac-44a4-86ba-42764f40c7f4/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] [2023-11-19 07:43:44,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4544] [2023-11-19 07:43:44,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4548] [2023-11-19 07:43:44,733 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] [2023-11-19 07:43:44,734 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] [2023-11-19 07:43:44,734 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] [2023-11-19 07:43:44,735 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] [2023-11-19 07:43:44,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5291] [2023-11-19 07:43:45,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:43:45,125 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:43:45,126 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:43:45,134 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:43:45,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:45 WrapperNode [2023-11-19 07:43:45,135 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:43:45,137 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:43:45,137 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:43:45,137 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:43:45,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:45" (1/1) ... [2023-11-19 07:43:45,268 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:45" (1/1) ... [2023-11-19 07:43:45,518 INFO L138 Inliner]: procedures = 229, calls = 2652, calls flagged for inlining = 103, calls inlined = 100, statements flattened = 5468 [2023-11-19 07:43:45,519 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:43:45,519 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:43:45,519 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:43:45,520 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:43:45,530 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:45" (1/1) ... [2023-11-19 07:43:45,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:45" (1/1) ... [2023-11-19 07:43:45,590 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:45" (1/1) ... [2023-11-19 07:43:45,601 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:45" (1/1) ... [2023-11-19 07:43:45,745 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:45" (1/1) ... [2023-11-19 07:43:45,783 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:45" (1/1) ... [2023-11-19 07:43:45,815 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:45" (1/1) ... [2023-11-19 07:43:45,840 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:45" (1/1) ... [2023-11-19 07:43:45,881 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:43:45,882 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:43:45,883 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:43:45,883 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:43:45,884 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:45" (1/1) ... [2023-11-19 07:43:45,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:43:45,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d61ec5c-33ac-44a4-86ba-42764f40c7f4/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:43:45,921 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d61ec5c-33ac-44a4-86ba-42764f40c7f4/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:43:45,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d61ec5c-33ac-44a4-86ba-42764f40c7f4/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:43:45,965 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-19 07:43:45,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-19 07:43:45,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-19 07:43:45,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-19 07:43:45,966 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-19 07:43:45,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:43:45,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:43:45,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:43:45,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:43:45,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2023-11-19 07:43:45,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2023-11-19 07:43:45,968 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_rel [2023-11-19 07:43:45,968 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_rel [2023-11-19 07:43:45,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_26 [2023-11-19 07:43:45,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_26 [2023-11-19 07:43:45,969 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-19 07:43:45,969 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-19 07:43:45,970 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2023-11-19 07:43:45,970 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2023-11-19 07:43:45,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:43:45,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:43:45,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2023-11-19 07:43:45,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2023-11-19 07:43:45,974 INFO L130 BoogieDeclarations]: Found specification of procedure send_packet [2023-11-19 07:43:45,974 INFO L138 BoogieDeclarations]: Found implementation of procedure send_packet [2023-11-19 07:43:45,974 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2023-11-19 07:43:45,974 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2023-11-19 07:43:45,974 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 07:43:45,975 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 07:43:45,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:43:45,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:43:45,975 INFO L130 BoogieDeclarations]: Found specification of procedure imon_disconnect [2023-11-19 07:43:45,975 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_disconnect [2023-11-19 07:43:45,975 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2023-11-19 07:43:45,976 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2023-11-19 07:43:45,976 INFO L130 BoogieDeclarations]: Found specification of procedure rc_g_keycode_from_table [2023-11-19 07:43:45,976 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_g_keycode_from_table [2023-11-19 07:43:45,976 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:43:45,976 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:43:45,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2023-11-19 07:43:45,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2023-11-19 07:43:45,977 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 07:43:45,977 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 07:43:45,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:43:45,977 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2023-11-19 07:43:45,977 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2023-11-19 07:43:45,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_10 [2023-11-19 07:43:45,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_10 [2023-11-19 07:43:45,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:43:45,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_11 [2023-11-19 07:43:45,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_11 [2023-11-19 07:43:45,978 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2023-11-19 07:43:45,978 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2023-11-19 07:43:45,978 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:43:45,979 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:43:45,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2023-11-19 07:43:45,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2023-11-19 07:43:45,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:43:45,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:43:45,981 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:43:45,982 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:43:45,982 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 07:43:45,982 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 07:43:45,983 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2023-11-19 07:43:45,983 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2023-11-19 07:43:45,983 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 07:43:45,983 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 07:43:45,984 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 07:43:45,984 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 07:43:45,984 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 07:43:45,984 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 07:43:45,984 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 07:43:45,984 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 07:43:45,984 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2023-11-19 07:43:45,985 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2023-11-19 07:43:45,985 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rx_callback_intf1 [2023-11-19 07:43:45,985 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rx_callback_intf1 [2023-11-19 07:43:45,985 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rx_callback_intf0 [2023-11-19 07:43:45,986 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rx_callback_intf0 [2023-11-19 07:43:45,986 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2023-11-19 07:43:45,986 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2023-11-19 07:43:45,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:43:45,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 07:43:45,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 07:43:45,987 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-19 07:43:45,987 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-19 07:43:45,987 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2023-11-19 07:43:45,987 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2023-11-19 07:43:45,987 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-19 07:43:45,988 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-19 07:43:45,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:43:45,988 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-19 07:43:45,988 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-19 07:43:45,988 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2023-11-19 07:43:45,988 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2023-11-19 07:43:45,988 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2023-11-19 07:43:45,989 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2023-11-19 07:43:45,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:43:45,989 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2023-11-19 07:43:45,989 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2023-11-19 07:43:45,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_7 [2023-11-19 07:43:45,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_7 [2023-11-19 07:43:45,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 07:43:45,990 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 07:43:45,991 INFO L130 BoogieDeclarations]: Found specification of procedure lcd_write [2023-11-19 07:43:45,991 INFO L138 BoogieDeclarations]: Found implementation of procedure lcd_write [2023-11-19 07:43:45,991 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-19 07:43:45,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-19 07:43:45,992 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-19 07:43:45,992 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-19 07:43:45,992 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:43:45,992 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:43:45,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:43:45,993 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2023-11-19 07:43:45,993 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2023-11-19 07:43:45,993 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-19 07:43:45,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-19 07:43:45,993 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2023-11-19 07:43:45,993 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2023-11-19 07:43:45,993 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2023-11-19 07:43:45,994 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2023-11-19 07:43:45,994 INFO L130 BoogieDeclarations]: Found specification of procedure imon_incoming_packet [2023-11-19 07:43:45,994 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_incoming_packet [2023-11-19 07:43:45,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:43:45,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:43:45,994 INFO L130 BoogieDeclarations]: Found specification of procedure imon_remote_key_lookup [2023-11-19 07:43:45,994 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_remote_key_lookup [2023-11-19 07:43:45,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:43:45,995 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2023-11-19 07:43:45,996 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2023-11-19 07:43:45,996 INFO L130 BoogieDeclarations]: Found specification of procedure tv2int [2023-11-19 07:43:45,996 INFO L138 BoogieDeclarations]: Found implementation of procedure tv2int [2023-11-19 07:43:45,996 INFO L130 BoogieDeclarations]: Found specification of procedure stabilize [2023-11-19 07:43:45,996 INFO L138 BoogieDeclarations]: Found implementation of procedure stabilize [2023-11-19 07:43:45,996 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2023-11-19 07:43:45,996 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2023-11-19 07:43:45,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_6 [2023-11-19 07:43:45,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_6 [2023-11-19 07:43:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-19 07:43:45,999 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-19 07:43:46,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:43:46,003 INFO L130 BoogieDeclarations]: Found specification of procedure vfd_write [2023-11-19 07:43:46,003 INFO L138 BoogieDeclarations]: Found implementation of procedure vfd_write [2023-11-19 07:43:46,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 07:43:46,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 07:43:46,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:43:46,005 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2023-11-19 07:43:46,005 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2023-11-19 07:43:46,006 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 07:43:46,012 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2023-11-19 07:43:46,012 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2023-11-19 07:43:46,012 INFO L130 BoogieDeclarations]: Found specification of procedure display_close [2023-11-19 07:43:46,012 INFO L138 BoogieDeclarations]: Found implementation of procedure display_close [2023-11-19 07:43:46,012 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:43:46,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:43:46,013 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2023-11-19 07:43:46,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2023-11-19 07:43:46,013 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2023-11-19 07:43:46,013 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2023-11-19 07:43:46,013 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2023-11-19 07:43:46,013 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2023-11-19 07:43:46,013 INFO L130 BoogieDeclarations]: Found specification of procedure imon_find_endpoints [2023-11-19 07:43:46,013 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_find_endpoints [2023-11-19 07:43:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure display_open [2023-11-19 07:43:46,014 INFO L138 BoogieDeclarations]: Found implementation of procedure display_open [2023-11-19 07:43:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2023-11-19 07:43:46,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2023-11-19 07:43:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-19 07:43:46,015 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-19 07:43:46,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:43:46,015 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-11-19 07:43:46,015 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-11-19 07:43:46,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:43:46,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:43:46,731 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:43:46,736 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:43:54,496 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:44:08,194 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2023-11-19 07:44:12,827 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:44:12,859 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:44:12,859 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 07:44:12,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:12 BoogieIcfgContainer [2023-11-19 07:44:12,875 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:44:12,879 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:44:12,880 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:44:12,883 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:44:12,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:43:42" (1/3) ... [2023-11-19 07:44:12,885 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f24e31a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:44:12, skipping insertion in model container [2023-11-19 07:44:12,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:45" (2/3) ... [2023-11-19 07:44:12,886 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f24e31a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:44:12, skipping insertion in model container [2023-11-19 07:44:12,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:12" (3/3) ... [2023-11-19 07:44:12,891 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--media--rc--imon.ko-entry_point.cil.out.i [2023-11-19 07:44:12,911 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:44:12,911 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:44:13,022 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:44:13,031 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;@3703fbf4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:44:13,031 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:44:13,046 INFO L276 IsEmpty]: Start isEmpty. Operand has 1753 states, 1276 states have (on average 1.3981191222570533) internal successors, (1784), 1307 states have internal predecessors, (1784), 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) [2023-11-19 07:44:13,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 07:44:13,077 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:44:13,078 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, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:13,079 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:44:13,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:13,087 INFO L85 PathProgramCache]: Analyzing trace with hash -906603084, now seen corresponding path program 1 times [2023-11-19 07:44:13,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:13,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745592534] [2023-11-19 07:44:13,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:13,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:14,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:44:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:14,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:44:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:14,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:44:14,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:14,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:44:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:14,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-19 07:44:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:14,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:44:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:14,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:44:14,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:14,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-19 07:44:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:14,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:44:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:14,377 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 07:44:14,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:14,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745592534] [2023-11-19 07:44:14,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745592534] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:14,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:14,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:44:14,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881437506] [2023-11-19 07:44:14,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:14,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:44:14,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:14,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:44:14,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:44:14,437 INFO L87 Difference]: Start difference. First operand has 1753 states, 1276 states have (on average 1.3981191222570533) internal successors, (1784), 1307 states have internal predecessors, (1784), 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 7.75) internal successors, (31), 3 states have internal predecessors, (31), 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) [2023-11-19 07:44:16,856 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 [] [2023-11-19 07:44:19,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:44:20,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:44:22,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:44:24,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:44:26,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:44:32,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:44:34,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:44:35,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []