./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ea61ee-74d9-40d4-bc92-21c951a06f46/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ea61ee-74d9-40d4-bc92-21c951a06f46/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ea61ee-74d9-40d4-bc92-21c951a06f46/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ea61ee-74d9-40d4-bc92-21c951a06f46/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ea61ee-74d9-40d4-bc92-21c951a06f46/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ea61ee-74d9-40d4-bc92-21c951a06f46/bin/uautomizer-verify-aQ6SnzHsRB --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 7d3d6fae331941e7aeb3ae8634b57ab7fbe899fba4d7b00d559e126b42e6ea03 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:16:22,471 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:16:22,543 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ea61ee-74d9-40d4-bc92-21c951a06f46/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 05:16:22,554 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:16:22,554 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:16:22,584 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:16:22,585 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:16:22,585 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:16:22,585 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:16:22,585 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:16:22,585 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:16:22,585 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:16:22,586 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:16:22,586 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:16:22,586 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:16:22,586 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:16:22,586 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:16:22,586 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:16:22,586 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:16:22,586 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:16:22,587 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:16:22,587 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:16:22,587 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:16:22,587 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:16:22,587 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:16:22,587 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:16:22,587 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:16:22,587 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:16:22,587 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:16:22,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:16:22,588 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:16:22,588 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:16:22,588 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:16:22,588 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:16:22,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:16:22,588 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:16:22,588 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:16:22,588 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:16:22,588 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:16:22,588 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:16:22,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:16:22,589 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:16:22,589 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:16:22,589 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:16:22,589 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:16:22,589 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ea61ee-74d9-40d4-bc92-21c951a06f46/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 7d3d6fae331941e7aeb3ae8634b57ab7fbe899fba4d7b00d559e126b42e6ea03 [2024-11-28 05:16:22,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:16:22,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:16:22,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:16:22,869 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:16:22,869 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:16:22,870 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ea61ee-74d9-40d4-bc92-21c951a06f46/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2024-11-28 05:16:25,841 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ea61ee-74d9-40d4-bc92-21c951a06f46/bin/uautomizer-verify-aQ6SnzHsRB/data/6b0cc1f48/df5829e8ce13461dbae72da0c87eb693/FLAG40f97f0c8 [2024-11-28 05:16:26,381 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:16:26,382 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ea61ee-74d9-40d4-bc92-21c951a06f46/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2024-11-28 05:16:26,431 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ea61ee-74d9-40d4-bc92-21c951a06f46/bin/uautomizer-verify-aQ6SnzHsRB/data/6b0cc1f48/df5829e8ce13461dbae72da0c87eb693/FLAG40f97f0c8 [2024-11-28 05:16:26,921 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ea61ee-74d9-40d4-bc92-21c951a06f46/bin/uautomizer-verify-aQ6SnzHsRB/data/6b0cc1f48/df5829e8ce13461dbae72da0c87eb693 [2024-11-28 05:16:26,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:16:26,925 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:16:26,927 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:16:26,927 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:16:26,932 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:16:26,933 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:16:26" (1/1) ... [2024-11-28 05:16:26,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64f9eb96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:26, skipping insertion in model container [2024-11-28 05:16:26,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:16:26" (1/1) ... [2024-11-28 05:16:27,022 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:16:28,308 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ea61ee-74d9-40d4-bc92-21c951a06f46/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i[185143,185156] [2024-11-28 05:16:28,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:16:28,438 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:16:28,643 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4935] [2024-11-28 05:16:28,646 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4942] [2024-11-28 05:16:28,696 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)buf->vb.queue.next) [5294] [2024-11-28 05:16:28,748 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)d->drvlist.next) [5768] [2024-11-28 05:16:28,807 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->devlist.next) [5925] [2024-11-28 05:16:28,818 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->devlist.next) [5987] [2024-11-28 05:16:28,895 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ea61ee-74d9-40d4-bc92-21c951a06f46/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i[185143,185156] [2024-11-28 05:16:28,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:16:28,980 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:16:28,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:28 WrapperNode [2024-11-28 05:16:28,982 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:16:28,983 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:16:28,984 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:16:28,985 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:16:28,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:28" (1/1) ... [2024-11-28 05:16:29,057 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:28" (1/1) ... [2024-11-28 05:16:29,185 INFO L138 Inliner]: procedures = 183, calls = 969, calls flagged for inlining = 82, calls inlined = 60, statements flattened = 1777 [2024-11-28 05:16:29,186 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:16:29,187 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:16:29,187 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:16:29,187 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:16:29,197 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:28" (1/1) ... [2024-11-28 05:16:29,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:28" (1/1) ... [2024-11-28 05:16:29,220 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:28" (1/1) ... [2024-11-28 05:16:29,562 INFO L175 MemorySlicer]: Split 388 memory accesses to 13 slices as follows [2, 4, 7, 4, 7, 8, 239, 7, 22, 40, 2, 39, 7]. 62 percent of accesses are in the largest equivalence class. The 102 initializations are split as follows [2, 4, 7, 4, 7, 8, 16, 7, 0, 40, 0, 0, 7]. The 93 writes are split as follows [0, 0, 0, 0, 0, 0, 31, 0, 22, 0, 1, 39, 0]. [2024-11-28 05:16:29,562 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:28" (1/1) ... [2024-11-28 05:16:29,563 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:28" (1/1) ... [2024-11-28 05:16:29,662 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:28" (1/1) ... [2024-11-28 05:16:29,665 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:28" (1/1) ... [2024-11-28 05:16:29,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:28" (1/1) ... [2024-11-28 05:16:29,689 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:28" (1/1) ... [2024-11-28 05:16:29,697 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:28" (1/1) ... [2024-11-28 05:16:29,715 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:16:29,720 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:16:29,720 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:16:29,720 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:16:29,721 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:28" (1/1) ... [2024-11-28 05:16:29,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:16:29,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ea61ee-74d9-40d4-bc92-21c951a06f46/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:16:29,764 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ea61ee-74d9-40d4-bc92-21c951a06f46/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:16:29,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ea61ee-74d9-40d4-bc92-21c951a06f46/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:16:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-11-28 05:16:29,805 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-11-28 05:16:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 05:16:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 05:16:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 05:16:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 05:16:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 05:16:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 05:16:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 05:16:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 05:16:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 05:16:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 05:16:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 05:16:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 05:16:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 05:16:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_restart_queue [2024-11-28 05:16:29,807 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_restart_queue [2024-11-28 05:16:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 05:16:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 05:16:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 05:16:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 05:16:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 05:16:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 05:16:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 05:16:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 05:16:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 05:16:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 05:16:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 05:16:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 05:16:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-28 05:16:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 05:16:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 05:16:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 05:16:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 05:16:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 05:16:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 05:16:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 05:16:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 05:16:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 05:16:29,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 05:16:29,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 05:16:29,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 05:16:29,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 05:16:29,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_cx88_core [2024-11-28 05:16:29,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_cx88_core [2024-11-28 05:16:29,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_cx88_core [2024-11-28 05:16:29,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_cx88_core [2024-11-28 05:16:29,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 05:16:29,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 05:16:29,812 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2024-11-28 05:16:29,812 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2024-11-28 05:16:29,812 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-28 05:16:29,812 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-28 05:16:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-28 05:16:29,813 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-28 05:16:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 05:16:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 05:16:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 05:16:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 05:16:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 05:16:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 05:16:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 05:16:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 05:16:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 05:16:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 05:16:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 05:16:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 05:16:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 05:16:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-28 05:16:29,816 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-28 05:16:29,817 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-28 05:16:29,818 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-28 05:16:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-28 05:16:29,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-28 05:16:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2024-11-28 05:16:29,818 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2024-11-28 05:16:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 05:16:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-28 05:16:29,818 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-28 05:16:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-28 05:16:29,818 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-28 05:16:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:16:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2024-11-28 05:16:29,819 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2024-11-28 05:16:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-28 05:16:29,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-28 05:16:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 05:16:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 05:16:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 05:16:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 05:16:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 05:16:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 05:16:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 05:16:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 05:16:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 05:16:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 05:16:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 05:16:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 05:16:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 05:16:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 05:16:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-28 05:16:29,820 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-28 05:16:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure do_cancel_buffers [2024-11-28 05:16:29,820 INFO L138 BoogieDeclarations]: Found implementation of procedure do_cancel_buffers [2024-11-28 05:16:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_start_dma [2024-11-28 05:16:29,820 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_start_dma [2024-11-28 05:16:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-28 05:16:29,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-28 05:16:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 05:16:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 05:16:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 05:16:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 05:16:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 05:16:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 05:16:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 05:16:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 05:16:29,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 05:16:29,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 05:16:29,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 05:16:29,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 05:16:29,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 05:16:29,821 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-28 05:16:29,821 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-28 05:16:29,821 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_put [2024-11-28 05:16:29,821 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_put [2024-11-28 05:16:29,821 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_stop_dma [2024-11-28 05:16:29,821 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_stop_dma [2024-11-28 05:16:29,821 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-28 05:16:29,821 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-28 05:16:29,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 05:16:29,821 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_request_acquire [2024-11-28 05:16:29,821 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_request_acquire [2024-11-28 05:16:29,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 05:16:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 05:16:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 05:16:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 05:16:29,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 05:16:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 05:16:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-28 05:16:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-28 05:16:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-28 05:16:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-28 05:16:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-28 05:16:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-28 05:16:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-28 05:16:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-11-28 05:16:29,828 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-11-28 05:16:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-28 05:16:29,828 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-28 05:16:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_request_release [2024-11-28 05:16:29,830 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_request_release [2024-11-28 05:16:29,830 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_dump [2024-11-28 05:16:29,830 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_dump [2024-11-28 05:16:29,830 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-11-28 05:16:29,830 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-11-28 05:16:29,830 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-11-28 05:16:29,830 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-11-28 05:16:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-28 05:16:29,831 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-28 05:16:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-28 05:16:29,831 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-28 05:16:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-28 05:16:29,831 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-28 05:16:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-28 05:16:29,831 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-28 05:16:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-28 05:16:29,831 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-28 05:16:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:16:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 05:16:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 05:16:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 05:16:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 05:16:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 05:16:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 05:16:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 05:16:29,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 05:16:29,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 05:16:29,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 05:16:29,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 05:16:29,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 05:16:29,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-11-28 05:16:29,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-11-28 05:16:29,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:16:29,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:16:30,568 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:16:30,572 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:16:37,069 INFO L? ?]: Removed 843 outVars from TransFormulas that were not future-live. [2024-11-28 05:16:37,070 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:16:37,094 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:16:37,095 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 05:16:37,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:16:37 BoogieIcfgContainer [2024-11-28 05:16:37,095 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:16:37,097 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:16:37,097 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:16:37,102 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:16:37,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:16:26" (1/3) ... [2024-11-28 05:16:37,103 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31ff109f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:16:37, skipping insertion in model container [2024-11-28 05:16:37,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:16:28" (2/3) ... [2024-11-28 05:16:37,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31ff109f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:16:37, skipping insertion in model container [2024-11-28 05:16:37,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:16:37" (3/3) ... [2024-11-28 05:16:37,105 INFO L128 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2024-11-28 05:16:37,124 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:16:37,127 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i that has 38 procedures, 724 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-28 05:16:37,219 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:16:37,234 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3f010451, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:16:37,234 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:16:37,242 INFO L276 IsEmpty]: Start isEmpty. Operand has 724 states, 509 states have (on average 1.3045186640471513) internal successors, (664), 528 states have internal predecessors, (664), 176 states have call successors, (176), 37 states have call predecessors, (176), 37 states have return successors, (176), 170 states have call predecessors, (176), 176 states have call successors, (176) [2024-11-28 05:16:37,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-28 05:16:37,250 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:37,250 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:37,251 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:37,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:37,257 INFO L85 PathProgramCache]: Analyzing trace with hash 645026174, now seen corresponding path program 1 times [2024-11-28 05:16:37,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:37,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945410195] [2024-11-28 05:16:37,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:37,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:38,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:16:38,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:38,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945410195] [2024-11-28 05:16:38,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945410195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:38,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:38,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:16:38,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846811813] [2024-11-28 05:16:38,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:38,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:16:38,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:38,677 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:16:38,678 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:16:38,683 INFO L87 Difference]: Start difference. First operand has 724 states, 509 states have (on average 1.3045186640471513) internal successors, (664), 528 states have internal predecessors, (664), 176 states have call successors, (176), 37 states have call predecessors, (176), 37 states have return successors, (176), 170 states have call predecessors, (176), 176 states have call successors, (176) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:16:42,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:16:42,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:42,952 INFO L93 Difference]: Finished difference Result 1685 states and 2381 transitions. [2024-11-28 05:16:42,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:16:42,957 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-11-28 05:16:42,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:42,989 INFO L225 Difference]: With dead ends: 1685 [2024-11-28 05:16:42,990 INFO L226 Difference]: Without dead ends: 967 [2024-11-28 05:16:43,002 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:16:43,005 INFO L435 NwaCegarLoop]: 1261 mSDtfsCounter, 841 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 841 SdHoareTripleChecker+Valid, 1736 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:43,008 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [841 Valid, 1736 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-28 05:16:43,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2024-11-28 05:16:43,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 965. [2024-11-28 05:16:43,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 965 states, 676 states have (on average 1.2751479289940828) internal successors, (862), 698 states have internal predecessors, (862), 234 states have call successors, (234), 55 states have call predecessors, (234), 54 states have return successors, (230), 218 states have call predecessors, (230), 230 states have call successors, (230) [2024-11-28 05:16:43,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1326 transitions. [2024-11-28 05:16:43,215 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1326 transitions. Word has length 19 [2024-11-28 05:16:43,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:43,216 INFO L471 AbstractCegarLoop]: Abstraction has 965 states and 1326 transitions. [2024-11-28 05:16:43,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:16:43,218 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1326 transitions. [2024-11-28 05:16:43,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-28 05:16:43,219 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:43,219 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:43,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 05:16:43,220 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:43,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:43,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1479384934, now seen corresponding path program 1 times [2024-11-28 05:16:43,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:43,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047913911] [2024-11-28 05:16:43,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:43,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:44,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:16:44,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:44,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047913911] [2024-11-28 05:16:44,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047913911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:44,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:44,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:16:44,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661805081] [2024-11-28 05:16:44,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:44,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:16:44,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:44,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:16:44,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:16:44,064 INFO L87 Difference]: Start difference. First operand 965 states and 1326 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:16:48,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:16:48,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:48,178 INFO L93 Difference]: Finished difference Result 967 states and 1327 transitions. [2024-11-28 05:16:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:16:48,179 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2024-11-28 05:16:48,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:48,187 INFO L225 Difference]: With dead ends: 967 [2024-11-28 05:16:48,187 INFO L226 Difference]: Without dead ends: 964 [2024-11-28 05:16:48,189 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:16:48,190 INFO L435 NwaCegarLoop]: 988 mSDtfsCounter, 977 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 977 SdHoareTripleChecker+Valid, 988 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:48,190 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [977 Valid, 988 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-11-28 05:16:48,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2024-11-28 05:16:48,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 964. [2024-11-28 05:16:48,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 964 states, 676 states have (on average 1.2736686390532543) internal successors, (861), 697 states have internal predecessors, (861), 233 states have call successors, (233), 55 states have call predecessors, (233), 54 states have return successors, (230), 218 states have call predecessors, (230), 230 states have call successors, (230) [2024-11-28 05:16:48,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1324 transitions. [2024-11-28 05:16:48,274 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1324 transitions. Word has length 20 [2024-11-28 05:16:48,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:48,274 INFO L471 AbstractCegarLoop]: Abstraction has 964 states and 1324 transitions. [2024-11-28 05:16:48,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:16:48,275 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1324 transitions. [2024-11-28 05:16:48,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-28 05:16:48,275 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:48,276 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:48,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:16:48,276 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:48,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:48,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1383352321, now seen corresponding path program 1 times [2024-11-28 05:16:48,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:48,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652155302] [2024-11-28 05:16:48,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:48,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:48,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:16:48,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:48,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652155302] [2024-11-28 05:16:48,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652155302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:48,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:48,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:16:48,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476907814] [2024-11-28 05:16:48,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:48,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:16:48,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:48,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:16:48,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:16:48,924 INFO L87 Difference]: Start difference. First operand 964 states and 1324 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:16:52,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:16:53,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:53,038 INFO L93 Difference]: Finished difference Result 966 states and 1325 transitions. [2024-11-28 05:16:53,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:16:53,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-11-28 05:16:53,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:53,051 INFO L225 Difference]: With dead ends: 966 [2024-11-28 05:16:53,051 INFO L226 Difference]: Without dead ends: 963 [2024-11-28 05:16:53,052 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:16:53,054 INFO L435 NwaCegarLoop]: 986 mSDtfsCounter, 974 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 974 SdHoareTripleChecker+Valid, 986 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:53,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [974 Valid, 986 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-11-28 05:16:53,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2024-11-28 05:16:53,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2024-11-28 05:16:53,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 676 states have (on average 1.272189349112426) internal successors, (860), 696 states have internal predecessors, (860), 232 states have call successors, (232), 55 states have call predecessors, (232), 54 states have return successors, (230), 218 states have call predecessors, (230), 230 states have call successors, (230) [2024-11-28 05:16:53,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1322 transitions. [2024-11-28 05:16:53,176 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1322 transitions. Word has length 21 [2024-11-28 05:16:53,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:53,176 INFO L471 AbstractCegarLoop]: Abstraction has 963 states and 1322 transitions. [2024-11-28 05:16:53,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:16:53,177 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1322 transitions. [2024-11-28 05:16:53,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-28 05:16:53,177 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:53,177 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:53,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:16:53,178 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:53,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:53,179 INFO L85 PathProgramCache]: Analyzing trace with hash -66101123, now seen corresponding path program 1 times [2024-11-28 05:16:53,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:53,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992897135] [2024-11-28 05:16:53,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:53,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:53,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:53,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:16:53,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:53,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992897135] [2024-11-28 05:16:53,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992897135] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:53,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:53,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:16:53,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667089513] [2024-11-28 05:16:53,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:53,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:16:53,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:53,810 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:16:53,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:16:53,810 INFO L87 Difference]: Start difference. First operand 963 states and 1322 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:16:57,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:16:57,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:57,911 INFO L93 Difference]: Finished difference Result 965 states and 1323 transitions. [2024-11-28 05:16:57,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:16:57,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2024-11-28 05:16:57,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:57,925 INFO L225 Difference]: With dead ends: 965 [2024-11-28 05:16:57,925 INFO L226 Difference]: Without dead ends: 953 [2024-11-28 05:16:57,926 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:16:57,927 INFO L435 NwaCegarLoop]: 985 mSDtfsCounter, 971 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 971 SdHoareTripleChecker+Valid, 985 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:57,927 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [971 Valid, 985 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-11-28 05:16:57,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2024-11-28 05:16:58,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 953. [2024-11-28 05:16:58,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 953 states, 668 states have (on average 1.2709580838323353) internal successors, (849), 687 states have internal predecessors, (849), 230 states have call successors, (230), 55 states have call predecessors, (230), 54 states have return successors, (229), 217 states have call predecessors, (229), 229 states have call successors, (229) [2024-11-28 05:16:58,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 953 states and 1308 transitions. [2024-11-28 05:16:58,032 INFO L78 Accepts]: Start accepts. Automaton has 953 states and 1308 transitions. Word has length 22 [2024-11-28 05:16:58,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:58,032 INFO L471 AbstractCegarLoop]: Abstraction has 953 states and 1308 transitions. [2024-11-28 05:16:58,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:16:58,033 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1308 transitions. [2024-11-28 05:16:58,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-28 05:16:58,035 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:58,036 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:58,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 05:16:58,036 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:58,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:58,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1144729545, now seen corresponding path program 1 times [2024-11-28 05:16:58,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:58,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952507200] [2024-11-28 05:16:58,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:58,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:58,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:58,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 05:16:58,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:58,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952507200] [2024-11-28 05:16:58,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952507200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:58,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:58,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:16:58,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932386463] [2024-11-28 05:16:58,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:58,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:16:58,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:58,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:16:58,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:16:58,813 INFO L87 Difference]: Start difference. First operand 953 states and 1308 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 05:16:58,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:58,963 INFO L93 Difference]: Finished difference Result 2035 states and 2824 transitions. [2024-11-28 05:16:58,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:16:58,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 64 [2024-11-28 05:16:58,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:58,973 INFO L225 Difference]: With dead ends: 2035 [2024-11-28 05:16:58,973 INFO L226 Difference]: Without dead ends: 1092 [2024-11-28 05:16:58,982 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:16:58,984 INFO L435 NwaCegarLoop]: 1022 mSDtfsCounter, 211 mSDsluCounter, 880 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 1902 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:58,984 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 1902 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:16:58,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2024-11-28 05:16:59,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1092. [2024-11-28 05:16:59,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1092 states, 773 states have (on average 1.2923673997412677) internal successors, (999), 795 states have internal predecessors, (999), 264 states have call successors, (264), 55 states have call predecessors, (264), 54 states have return successors, (263), 251 states have call predecessors, (263), 263 states have call successors, (263) [2024-11-28 05:16:59,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 1092 states and 1526 transitions. [2024-11-28 05:16:59,111 INFO L78 Accepts]: Start accepts. Automaton has 1092 states and 1526 transitions. Word has length 64 [2024-11-28 05:16:59,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:59,111 INFO L471 AbstractCegarLoop]: Abstraction has 1092 states and 1526 transitions. [2024-11-28 05:16:59,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 05:16:59,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1526 transitions. [2024-11-28 05:16:59,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-28 05:16:59,122 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:59,122 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:59,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 05:16:59,122 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:59,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:59,123 INFO L85 PathProgramCache]: Analyzing trace with hash 515055987, now seen corresponding path program 1 times [2024-11-28 05:16:59,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:59,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28862746] [2024-11-28 05:16:59,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:59,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:59,921 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 05:16:59,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:59,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28862746] [2024-11-28 05:16:59,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28862746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:59,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:59,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:16:59,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360064300] [2024-11-28 05:16:59,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:59,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:16:59,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:59,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:16:59,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:16:59,923 INFO L87 Difference]: Start difference. First operand 1092 states and 1526 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-28 05:17:00,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:00,050 INFO L93 Difference]: Finished difference Result 2178 states and 3044 transitions. [2024-11-28 05:17:00,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:17:00,051 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 81 [2024-11-28 05:17:00,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:00,059 INFO L225 Difference]: With dead ends: 2178 [2024-11-28 05:17:00,059 INFO L226 Difference]: Without dead ends: 1092 [2024-11-28 05:17:00,063 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:17:00,064 INFO L435 NwaCegarLoop]: 971 mSDtfsCounter, 0 mSDsluCounter, 1936 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2907 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:00,064 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2907 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:17:00,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2024-11-28 05:17:00,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1092. [2024-11-28 05:17:00,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1092 states, 773 states have (on average 1.2910737386804658) internal successors, (998), 795 states have internal predecessors, (998), 264 states have call successors, (264), 55 states have call predecessors, (264), 54 states have return successors, (263), 251 states have call predecessors, (263), 263 states have call successors, (263) [2024-11-28 05:17:00,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 1092 states and 1525 transitions. [2024-11-28 05:17:00,149 INFO L78 Accepts]: Start accepts. Automaton has 1092 states and 1525 transitions. Word has length 81 [2024-11-28 05:17:00,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:00,150 INFO L471 AbstractCegarLoop]: Abstraction has 1092 states and 1525 transitions. [2024-11-28 05:17:00,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-28 05:17:00,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1525 transitions. [2024-11-28 05:17:00,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-28 05:17:00,153 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:00,154 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:17:00,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 05:17:00,154 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:17:00,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:00,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1973174508, now seen corresponding path program 1 times [2024-11-28 05:17:00,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:00,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070359569] [2024-11-28 05:17:00,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:00,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:00,935 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-28 05:17:00,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:00,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070359569] [2024-11-28 05:17:00,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070359569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:00,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:17:00,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:17:00,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480952531] [2024-11-28 05:17:00,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:00,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:17:00,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:00,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:17:00,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:17:00,937 INFO L87 Difference]: Start difference. First operand 1092 states and 1525 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 05:17:04,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:17:05,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:05,083 INFO L93 Difference]: Finished difference Result 1092 states and 1525 transitions. [2024-11-28 05:17:05,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:17:05,084 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 93 [2024-11-28 05:17:05,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:05,086 INFO L225 Difference]: With dead ends: 1092 [2024-11-28 05:17:05,086 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 05:17:05,090 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:17:05,090 INFO L435 NwaCegarLoop]: 1283 mSDtfsCounter, 464 mSDsluCounter, 825 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 2108 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:05,091 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 2108 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-28 05:17:05,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 05:17:05,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 05:17:05,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:17:05,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 05:17:05,094 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 93 [2024-11-28 05:17:05,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:05,094 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 05:17:05,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 05:17:05,094 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 05:17:05,094 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 05:17:05,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 05:17:05,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 05:17:05,101 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:17:05,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 05:17:17,162 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 05:17:17,184 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_s_cx8802_pci_driver_pci_driver~0 [2024-11-28 05:17:17,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:17:17 BoogieIcfgContainer [2024-11-28 05:17:17,187 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 05:17:17,187 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:17:17,187 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:17:17,187 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:17:17,188 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:16:37" (3/4) ... [2024-11-28 05:17:17,190 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 05:17:17,194 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2024-11-28 05:17:17,194 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_set_power_state [2024-11-28 05:17:17,194 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-11-28 05:17:17,194 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cx8802_request_release [2024-11-28 05:17:17,194 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure list_empty [2024-11-28 05:17:17,194 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_enable_device [2024-11-28 05:17:17,194 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cx88_sram_channel_dump [2024-11-28 05:17:17,194 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure list_add_tail [2024-11-28 05:17:17,194 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2024-11-28 05:17:17,194 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure INIT_LIST_HEAD [2024-11-28 05:17:17,194 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-11-28 05:17:17,195 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_disable_device [2024-11-28 05:17:17,195 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure msecs_to_jiffies [2024-11-28 05:17:17,195 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-11-28 05:17:17,195 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure list_del [2024-11-28 05:17:17,195 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure do_cancel_buffers [2024-11-28 05:17:17,195 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cx8802_restart_queue [2024-11-28 05:17:17,195 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2024-11-28 05:17:17,195 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_set_drvdata [2024-11-28 05:17:17,195 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cx8802_start_dma [2024-11-28 05:17:17,195 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2024-11-28 05:17:17,195 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~int [2024-11-28 05:17:17,195 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_lock_of_cx88_core [2024-11-28 05:17:17,195 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_get_drvdata [2024-11-28 05:17:17,195 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cx88_core_put [2024-11-28 05:17:17,195 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure readl [2024-11-28 05:17:17,195 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure writel [2024-11-28 05:17:17,195 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_lock_of_cx88_core [2024-11-28 05:17:17,195 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2024-11-28 05:17:17,195 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cx8802_stop_dma [2024-11-28 05:17:17,195 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_handler_precall [2024-11-28 05:17:17,195 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mod_timer [2024-11-28 05:17:17,195 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-28 05:17:17,195 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2024-11-28 05:17:17,196 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_read_config_byte [2024-11-28 05:17:17,196 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spinlock_check [2024-11-28 05:17:17,196 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cx8802_request_acquire [2024-11-28 05:17:17,229 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 261 nodes and edges [2024-11-28 05:17:17,232 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 105 nodes and edges [2024-11-28 05:17:17,235 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2024-11-28 05:17:17,237 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-28 05:17:17,240 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-28 05:17:17,243 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 05:17:17,245 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 05:17:17,247 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 05:17:17,480 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ea61ee-74d9-40d4-bc92-21c951a06f46/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 05:17:17,481 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ea61ee-74d9-40d4-bc92-21c951a06f46/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 05:17:17,481 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:17:17,482 INFO L158 Benchmark]: Toolchain (without parser) took 50556.20ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 108.8MB in the beginning and 171.3MB in the end (delta: -62.4MB). Peak memory consumption was 189.0MB. Max. memory is 16.1GB. [2024-11-28 05:17:17,483 INFO L158 Benchmark]: CDTParser took 1.71ms. Allocated memory is still 117.4MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:17:17,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2055.67ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 85.6MB in the end (delta: 23.0MB). Peak memory consumption was 101.1MB. Max. memory is 16.1GB. [2024-11-28 05:17:17,484 INFO L158 Benchmark]: Boogie Procedure Inliner took 203.16ms. Allocated memory is still 142.6MB. Free memory was 85.6MB in the beginning and 73.5MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:17:17,484 INFO L158 Benchmark]: Boogie Preprocessor took 527.92ms. Allocated memory is still 142.6MB. Free memory was 73.5MB in the beginning and 45.5MB in the end (delta: 28.0MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2024-11-28 05:17:17,485 INFO L158 Benchmark]: RCFGBuilder took 7375.28ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 45.5MB in the beginning and 119.0MB in the end (delta: -73.5MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. [2024-11-28 05:17:17,485 INFO L158 Benchmark]: TraceAbstraction took 40089.33ms. Allocated memory was 218.1MB in the beginning and 394.3MB in the end (delta: 176.2MB). Free memory was 117.3MB in the beginning and 200.6MB in the end (delta: -83.3MB). Peak memory consumption was 217.4MB. Max. memory is 16.1GB. [2024-11-28 05:17:17,485 INFO L158 Benchmark]: Witness Printer took 293.54ms. Allocated memory is still 394.3MB. Free memory was 200.6MB in the beginning and 171.3MB in the end (delta: 29.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-28 05:17:17,487 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.71ms. Allocated memory is still 117.4MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2055.67ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 85.6MB in the end (delta: 23.0MB). Peak memory consumption was 101.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 203.16ms. Allocated memory is still 142.6MB. Free memory was 85.6MB in the beginning and 73.5MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 527.92ms. Allocated memory is still 142.6MB. Free memory was 73.5MB in the beginning and 45.5MB in the end (delta: 28.0MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. * RCFGBuilder took 7375.28ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 45.5MB in the beginning and 119.0MB in the end (delta: -73.5MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. * TraceAbstraction took 40089.33ms. Allocated memory was 218.1MB in the beginning and 394.3MB in the end (delta: 176.2MB). Free memory was 117.3MB in the beginning and 200.6MB in the end (delta: -83.3MB). Peak memory consumption was 217.4MB. Max. memory is 16.1GB. * Witness Printer took 293.54ms. Allocated memory is still 394.3MB. Free memory was 200.6MB in the beginning and 171.3MB in the end (delta: 29.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 4935]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4935] - GenericResultAtLocation [Line: 4942]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4942] - GenericResultAtLocation [Line: 5294]: Unsoundness Warning ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)buf->vb.queue.next) [5294] - GenericResultAtLocation [Line: 5768]: Unsoundness Warning ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)d->drvlist.next) [5768] - GenericResultAtLocation [Line: 5925]: Unsoundness Warning ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->devlist.next) [5925] - GenericResultAtLocation [Line: 5987]: Unsoundness Warning ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->devlist.next) [5987] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_s_cx8802_pci_driver_pci_driver~0 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 6324]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 724 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 27.9s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 21.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 4492 SdHoareTripleChecker+Valid, 20.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4438 mSDsluCounter, 11612 SdHoareTripleChecker+Invalid, 20.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4116 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 7496 mSDtfsCounter, 31 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1092occurred in iteration=5, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 7 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 320 NumberOfCodeBlocks, 320 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 313 ConstructedInterpolants, 0 QuantifiedInterpolants, 471 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 25/25 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 5225]: Location Invariant Derived location invariant: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) - InvariantResult [Line: 5411]: Location Invariant Derived location invariant: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) - InvariantResult [Line: 6032]: Location Invariant Derived location invariant: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) - InvariantResult [Line: 6203]: Location Invariant Derived location invariant: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) RESULT: Ultimate proved your program to be correct! [2024-11-28 05:17:17,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03ea61ee-74d9-40d4-bc92-21c951a06f46/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE