./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 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27946b1-a30f-4752-981e-1a0c6019643b/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27946b1-a30f-4752-981e-1a0c6019643b/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27946b1-a30f-4752-981e-1a0c6019643b/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27946b1-a30f-4752-981e-1a0c6019643b/bin/uautomizer-verify-LYvppIcaGC/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_c27946b1-a30f-4752-981e-1a0c6019643b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27946b1-a30f-4752-981e-1a0c6019643b/bin/uautomizer-verify-LYvppIcaGC --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-6497de0 [2024-11-24 01:48:35,249 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:48:35,318 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27946b1-a30f-4752-981e-1a0c6019643b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-24 01:48:35,326 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:48:35,327 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:48:35,363 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:48:35,365 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:48:35,365 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:48:35,366 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:48:35,366 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:48:35,367 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:48:35,368 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:48:35,368 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:48:35,368 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:48:35,368 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:48:35,369 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:48:35,369 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:48:35,370 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:48:35,370 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:48:35,370 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:48:35,370 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:48:35,370 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:48:35,370 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:48:35,370 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:48:35,371 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:48:35,371 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:48:35,371 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:48:35,371 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:48:35,371 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:48:35,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:48:35,372 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:48:35,373 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:48:35,373 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:48:35,373 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:48:35,373 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:48:35,373 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:48:35,373 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:48:35,374 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:48:35,374 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:48:35,374 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:48:35,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:48:35,374 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:48:35,374 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:48:35,374 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:48:35,374 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:48:35,374 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_c27946b1-a30f-4752-981e-1a0c6019643b/bin/uautomizer-verify-LYvppIcaGC 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 [2024-11-24 01:48:35,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:48:35,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:48:35,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:48:35,754 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:48:35,754 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:48:35,757 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27946b1-a30f-4752-981e-1a0c6019643b/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2024-11-24 01:48:38,787 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27946b1-a30f-4752-981e-1a0c6019643b/bin/uautomizer-verify-LYvppIcaGC/data/fb6466158/3b30d806aee74772bc91f8a3dad494d8/FLAGac79ba4f5 [2024-11-24 01:48:39,374 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:48:39,378 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27946b1-a30f-4752-981e-1a0c6019643b/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2024-11-24 01:48:39,436 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27946b1-a30f-4752-981e-1a0c6019643b/bin/uautomizer-verify-LYvppIcaGC/data/fb6466158/3b30d806aee74772bc91f8a3dad494d8/FLAGac79ba4f5 [2024-11-24 01:48:39,463 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27946b1-a30f-4752-981e-1a0c6019643b/bin/uautomizer-verify-LYvppIcaGC/data/fb6466158/3b30d806aee74772bc91f8a3dad494d8 [2024-11-24 01:48:39,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:48:39,466 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:48:39,468 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:48:39,468 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:48:39,472 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:48:39,473 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:48:39" (1/1) ... [2024-11-24 01:48:39,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6572eb5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:39, skipping insertion in model container [2024-11-24 01:48:39,476 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:48:39" (1/1) ... [2024-11-24 01:48:39,585 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:48:40,987 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_c27946b1-a30f-4752-981e-1a0c6019643b/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i[185143,185156] [2024-11-24 01:48:41,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:48:41,117 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:48:41,259 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4935] [2024-11-24 01:48:41,262 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4942] [2024-11-24 01:48:41,323 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)buf->vb.queue.next) [5294] [2024-11-24 01:48:41,391 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)d->drvlist.next) [5768] [2024-11-24 01:48:41,476 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->devlist.next) [5925] [2024-11-24 01:48:41,493 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->devlist.next) [5987] [2024-11-24 01:48:41,520 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_c27946b1-a30f-4752-981e-1a0c6019643b/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i[185143,185156] [2024-11-24 01:48:41,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:48:41,619 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:48:41,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:41 WrapperNode [2024-11-24 01:48:41,622 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:48:41,623 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:48:41,623 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:48:41,624 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:48:41,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:41" (1/1) ... [2024-11-24 01:48:41,724 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:41" (1/1) ... [2024-11-24 01:48:41,832 INFO L138 Inliner]: procedures = 183, calls = 969, calls flagged for inlining = 82, calls inlined = 60, statements flattened = 1777 [2024-11-24 01:48:41,832 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:48:41,833 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:48:41,833 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:48:41,833 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:48:41,846 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:41" (1/1) ... [2024-11-24 01:48:41,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:41" (1/1) ... [2024-11-24 01:48:41,859 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:41" (1/1) ... [2024-11-24 01:48:42,206 INFO L175 MemorySlicer]: Split 388 memory accesses to 13 slices as follows [2, 8, 4, 7, 2, 4, 7, 40, 7, 22, 239, 7, 39]. 62 percent of accesses are in the largest equivalence class. The 102 initializations are split as follows [2, 8, 4, 7, 0, 4, 7, 40, 7, 0, 16, 7, 0]. The 93 writes are split as follows [0, 0, 0, 0, 1, 0, 0, 0, 0, 22, 31, 0, 39]. [2024-11-24 01:48:42,206 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:41" (1/1) ... [2024-11-24 01:48:42,207 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:41" (1/1) ... [2024-11-24 01:48:42,327 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:41" (1/1) ... [2024-11-24 01:48:42,334 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:41" (1/1) ... [2024-11-24 01:48:42,343 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:41" (1/1) ... [2024-11-24 01:48:42,365 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:41" (1/1) ... [2024-11-24 01:48:42,378 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:41" (1/1) ... [2024-11-24 01:48:42,415 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:48:42,419 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:48:42,420 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:48:42,420 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:48:42,421 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:41" (1/1) ... [2024-11-24 01:48:42,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:48:42,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27946b1-a30f-4752-981e-1a0c6019643b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:48:42,469 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27946b1-a30f-4752-981e-1a0c6019643b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:48:42,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27946b1-a30f-4752-981e-1a0c6019643b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:48:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-11-24 01:48:42,514 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-11-24 01:48:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-24 01:48:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-24 01:48:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-24 01:48:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-24 01:48:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-24 01:48:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-24 01:48:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-24 01:48:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-24 01:48:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-24 01:48:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-24 01:48:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-24 01:48:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-24 01:48:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-24 01:48:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_restart_queue [2024-11-24 01:48:42,515 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_restart_queue [2024-11-24 01:48:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-24 01:48:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-24 01:48:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-24 01:48:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-24 01:48:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-24 01:48:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-24 01:48:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-24 01:48:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-24 01:48:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-24 01:48:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-24 01:48:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-24 01:48:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-24 01:48:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-24 01:48:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 01:48:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 01:48:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 01:48:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 01:48:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 01:48:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 01:48:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 01:48:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 01:48:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 01:48:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 01:48:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 01:48:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 01:48:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-24 01:48:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_cx88_core [2024-11-24 01:48:42,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_cx88_core [2024-11-24 01:48:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_cx88_core [2024-11-24 01:48:42,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_cx88_core [2024-11-24 01:48:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-24 01:48:42,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-24 01:48:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2024-11-24 01:48:42,520 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2024-11-24 01:48:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-24 01:48:42,520 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-24 01:48:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-24 01:48:42,521 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-24 01:48:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 01:48:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 01:48:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 01:48:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 01:48:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 01:48:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 01:48:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 01:48:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 01:48:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 01:48:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 01:48:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 01:48:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 01:48:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-24 01:48:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-24 01:48:42,526 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-24 01:48:42,526 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-24 01:48:42,526 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-24 01:48:42,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-24 01:48:42,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-24 01:48:42,527 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2024-11-24 01:48:42,527 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2024-11-24 01:48:42,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 01:48:42,527 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-24 01:48:42,527 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-24 01:48:42,527 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-24 01:48:42,527 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-24 01:48:42,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:48:42,527 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2024-11-24 01:48:42,527 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2024-11-24 01:48:42,527 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-24 01:48:42,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-24 01:48:42,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 01:48:42,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-24 01:48:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-24 01:48:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-24 01:48:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-24 01:48:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-24 01:48:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-24 01:48:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-24 01:48:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-24 01:48:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-24 01:48:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-24 01:48:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-24 01:48:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-24 01:48:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-24 01:48:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-24 01:48:42,528 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-24 01:48:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure do_cancel_buffers [2024-11-24 01:48:42,528 INFO L138 BoogieDeclarations]: Found implementation of procedure do_cancel_buffers [2024-11-24 01:48:42,529 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_start_dma [2024-11-24 01:48:42,529 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_start_dma [2024-11-24 01:48:42,532 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-24 01:48:42,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-24 01:48:42,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-24 01:48:42,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-24 01:48:42,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-24 01:48:42,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-24 01:48:42,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-24 01:48:42,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-24 01:48:42,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-24 01:48:42,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-24 01:48:42,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-24 01:48:42,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-24 01:48:42,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-24 01:48:42,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-24 01:48:42,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-24 01:48:42,533 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-24 01:48:42,533 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-24 01:48:42,533 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_put [2024-11-24 01:48:42,533 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_put [2024-11-24 01:48:42,533 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_stop_dma [2024-11-24 01:48:42,533 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_stop_dma [2024-11-24 01:48:42,533 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-24 01:48:42,533 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-24 01:48:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 01:48:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_request_acquire [2024-11-24 01:48:42,534 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_request_acquire [2024-11-24 01:48:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-24 01:48:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-24 01:48:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-24 01:48:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-24 01:48:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-24 01:48:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-24 01:48:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-24 01:48:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-24 01:48:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-24 01:48:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-24 01:48:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-24 01:48:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-24 01:48:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-24 01:48:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-11-24 01:48:42,535 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-11-24 01:48:42,535 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-24 01:48:42,535 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-24 01:48:42,535 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_request_release [2024-11-24 01:48:42,535 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_request_release [2024-11-24 01:48:42,535 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_dump [2024-11-24 01:48:42,535 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_dump [2024-11-24 01:48:42,535 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-11-24 01:48:42,535 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-11-24 01:48:42,535 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-11-24 01:48:42,535 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-11-24 01:48:42,535 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-24 01:48:42,535 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-24 01:48:42,538 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-24 01:48:42,538 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-24 01:48:42,538 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-24 01:48:42,538 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-24 01:48:42,538 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-24 01:48:42,539 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-24 01:48:42,539 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-24 01:48:42,539 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-24 01:48:42,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:48:42,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 01:48:42,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 01:48:42,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 01:48:42,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 01:48:42,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 01:48:42,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 01:48:42,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 01:48:42,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 01:48:42,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 01:48:42,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 01:48:42,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 01:48:42,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-24 01:48:42,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-11-24 01:48:42,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-11-24 01:48:42,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:48:42,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:48:43,443 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:48:43,446 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:48:50,126 INFO L? ?]: Removed 843 outVars from TransFormulas that were not future-live. [2024-11-24 01:48:50,126 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:48:50,161 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:48:50,161 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 01:48:50,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:48:50 BoogieIcfgContainer [2024-11-24 01:48:50,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:48:50,168 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:48:50,168 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:48:50,175 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:48:50,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:48:39" (1/3) ... [2024-11-24 01:48:50,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@418f1b12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:48:50, skipping insertion in model container [2024-11-24 01:48:50,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:41" (2/3) ... [2024-11-24 01:48:50,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@418f1b12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:48:50, skipping insertion in model container [2024-11-24 01:48:50,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:48:50" (3/3) ... [2024-11-24 01:48:50,178 INFO L128 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2024-11-24 01:48:50,196 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:48:50,198 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. [2024-11-24 01:48:50,300 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:48:50,313 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;@4379a1f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:48:50,314 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:48:50,325 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) [2024-11-24 01:48:50,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-24 01:48:50,335 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:48:50,335 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:48:50,336 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:48:50,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:48:50,343 INFO L85 PathProgramCache]: Analyzing trace with hash 645026174, now seen corresponding path program 1 times [2024-11-24 01:48:50,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:48:50,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788194521] [2024-11-24 01:48:50,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:48:50,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:48:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:48:51,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:48:51,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:48:51,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788194521] [2024-11-24 01:48:51,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788194521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:48:51,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:48:51,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:48:51,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589448197] [2024-11-24 01:48:51,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:48:51,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:48:51,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:48:51,888 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:48:51,889 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:48:51,894 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) [2024-11-24 01:48:55,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:48:56,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:48:56,299 INFO L93 Difference]: Finished difference Result 1685 states and 2381 transitions. [2024-11-24 01:48:56,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:48:56,306 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 [2024-11-24 01:48:56,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:48:56,346 INFO L225 Difference]: With dead ends: 1685 [2024-11-24 01:48:56,347 INFO L226 Difference]: Without dead ends: 967 [2024-11-24 01:48:56,361 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 [2024-11-24 01:48:56,366 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 [2024-11-24 01:48:56,369 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] [2024-11-24 01:48:56,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2024-11-24 01:48:56,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 965. [2024-11-24 01:48:56,611 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) [2024-11-24 01:48:56,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1326 transitions. [2024-11-24 01:48:56,650 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1326 transitions. Word has length 19 [2024-11-24 01:48:56,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:48:56,650 INFO L471 AbstractCegarLoop]: Abstraction has 965 states and 1326 transitions. [2024-11-24 01:48:56,651 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) [2024-11-24 01:48:56,651 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1326 transitions. [2024-11-24 01:48:56,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-24 01:48:56,653 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:48:56,653 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] [2024-11-24 01:48:56,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:48:56,654 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:48:56,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:48:56,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1479384934, now seen corresponding path program 1 times [2024-11-24 01:48:56,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:48:56,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128021090] [2024-11-24 01:48:56,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:48:56,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:48:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:48:57,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:48:57,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:48:57,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128021090] [2024-11-24 01:48:57,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128021090] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:48:57,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:48:57,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:48:57,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731927152] [2024-11-24 01:48:57,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:48:57,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:48:57,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:48:57,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:48:57,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:48:57,570 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) [2024-11-24 01:49:01,601 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 [] [2024-11-24 01:49:01,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:49:01,763 INFO L93 Difference]: Finished difference Result 967 states and 1327 transitions. [2024-11-24 01:49:01,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:49:01,764 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 [2024-11-24 01:49:01,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:49:01,780 INFO L225 Difference]: With dead ends: 967 [2024-11-24 01:49:01,780 INFO L226 Difference]: Without dead ends: 964 [2024-11-24 01:49:01,782 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 [2024-11-24 01:49:01,783 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 [2024-11-24 01:49:01,784 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] [2024-11-24 01:49:01,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2024-11-24 01:49:01,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 964. [2024-11-24 01:49:01,885 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) [2024-11-24 01:49:01,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1324 transitions. [2024-11-24 01:49:01,897 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1324 transitions. Word has length 20 [2024-11-24 01:49:01,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:49:01,897 INFO L471 AbstractCegarLoop]: Abstraction has 964 states and 1324 transitions. [2024-11-24 01:49:01,897 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) [2024-11-24 01:49:01,898 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1324 transitions. [2024-11-24 01:49:01,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-24 01:49:01,898 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:49:01,898 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] [2024-11-24 01:49:01,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:49:01,899 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:49:01,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:49:01,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1383352321, now seen corresponding path program 1 times [2024-11-24 01:49:01,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:49:01,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064348734] [2024-11-24 01:49:01,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:49:01,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:49:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:49:02,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:49:02,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:49:02,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064348734] [2024-11-24 01:49:02,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064348734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:49:02,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:49:02,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:49:02,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575099192] [2024-11-24 01:49:02,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:49:02,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:49:02,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:49:02,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:49:02,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:49:02,809 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) [2024-11-24 01:49:06,837 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 [] [2024-11-24 01:49:06,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:49:06,919 INFO L93 Difference]: Finished difference Result 966 states and 1325 transitions. [2024-11-24 01:49:06,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:49:06,920 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 [2024-11-24 01:49:06,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:49:06,928 INFO L225 Difference]: With dead ends: 966 [2024-11-24 01:49:06,929 INFO L226 Difference]: Without dead ends: 963 [2024-11-24 01:49:06,931 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 [2024-11-24 01:49:06,933 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 [2024-11-24 01:49:06,934 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] [2024-11-24 01:49:06,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2024-11-24 01:49:07,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2024-11-24 01:49:07,032 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) [2024-11-24 01:49:07,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1322 transitions. [2024-11-24 01:49:07,042 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1322 transitions. Word has length 21 [2024-11-24 01:49:07,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:49:07,042 INFO L471 AbstractCegarLoop]: Abstraction has 963 states and 1322 transitions. [2024-11-24 01:49:07,042 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) [2024-11-24 01:49:07,042 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1322 transitions. [2024-11-24 01:49:07,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-24 01:49:07,044 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:49:07,044 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] [2024-11-24 01:49:07,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:49:07,044 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:49:07,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:49:07,045 INFO L85 PathProgramCache]: Analyzing trace with hash -66101123, now seen corresponding path program 1 times [2024-11-24 01:49:07,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:49:07,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041353348] [2024-11-24 01:49:07,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:49:07,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:49:07,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:49:07,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:49:07,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:49:07,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041353348] [2024-11-24 01:49:07,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041353348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:49:07,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:49:07,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:49:07,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351822431] [2024-11-24 01:49:07,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:49:07,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:49:07,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:49:07,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:49:07,757 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:49:07,758 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) [2024-11-24 01:49:11,787 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 [] [2024-11-24 01:49:11,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:49:11,862 INFO L93 Difference]: Finished difference Result 965 states and 1323 transitions. [2024-11-24 01:49:11,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:49:11,878 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 [2024-11-24 01:49:11,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:49:11,888 INFO L225 Difference]: With dead ends: 965 [2024-11-24 01:49:11,889 INFO L226 Difference]: Without dead ends: 953 [2024-11-24 01:49:11,890 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 [2024-11-24 01:49:11,891 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 [2024-11-24 01:49:11,891 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] [2024-11-24 01:49:11,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2024-11-24 01:49:11,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 953. [2024-11-24 01:49:11,972 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) [2024-11-24 01:49:11,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 953 states and 1308 transitions. [2024-11-24 01:49:11,982 INFO L78 Accepts]: Start accepts. Automaton has 953 states and 1308 transitions. Word has length 22 [2024-11-24 01:49:11,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:49:11,983 INFO L471 AbstractCegarLoop]: Abstraction has 953 states and 1308 transitions. [2024-11-24 01:49:11,983 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) [2024-11-24 01:49:11,983 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1308 transitions. [2024-11-24 01:49:11,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 01:49:11,986 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:49:11,986 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] [2024-11-24 01:49:11,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:49:11,986 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:49:11,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:49:11,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1144729545, now seen corresponding path program 1 times [2024-11-24 01:49:11,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:49:11,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597347411] [2024-11-24 01:49:11,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:49:11,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:49:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:49:12,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-24 01:49:12,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:49:12,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597347411] [2024-11-24 01:49:12,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597347411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:49:12,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:49:12,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:49:12,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281020750] [2024-11-24 01:49:12,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:49:12,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:49:12,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:49:12,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:49:12,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:49:12,894 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) [2024-11-24 01:49:13,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:49:13,061 INFO L93 Difference]: Finished difference Result 2035 states and 2824 transitions. [2024-11-24 01:49:13,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:49:13,061 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 [2024-11-24 01:49:13,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:49:13,070 INFO L225 Difference]: With dead ends: 2035 [2024-11-24 01:49:13,070 INFO L226 Difference]: Without dead ends: 1092 [2024-11-24 01:49:13,075 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 [2024-11-24 01:49:13,076 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 [2024-11-24 01:49:13,076 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] [2024-11-24 01:49:13,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2024-11-24 01:49:13,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1092. [2024-11-24 01:49:13,176 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) [2024-11-24 01:49:13,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 1092 states and 1526 transitions. [2024-11-24 01:49:13,189 INFO L78 Accepts]: Start accepts. Automaton has 1092 states and 1526 transitions. Word has length 64 [2024-11-24 01:49:13,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:49:13,190 INFO L471 AbstractCegarLoop]: Abstraction has 1092 states and 1526 transitions. [2024-11-24 01:49:13,190 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) [2024-11-24 01:49:13,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1526 transitions. [2024-11-24 01:49:13,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-24 01:49:13,198 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:49:13,199 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] [2024-11-24 01:49:13,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 01:49:13,202 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:49:13,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:49:13,202 INFO L85 PathProgramCache]: Analyzing trace with hash 515055987, now seen corresponding path program 1 times [2024-11-24 01:49:13,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:49:13,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043026219] [2024-11-24 01:49:13,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:49:13,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:49:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:49:14,167 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-24 01:49:14,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:49:14,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043026219] [2024-11-24 01:49:14,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043026219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:49:14,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:49:14,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:49:14,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805770615] [2024-11-24 01:49:14,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:49:14,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:49:14,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:49:14,169 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:49:14,169 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:49:14,170 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) [2024-11-24 01:49:14,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:49:14,363 INFO L93 Difference]: Finished difference Result 2178 states and 3044 transitions. [2024-11-24 01:49:14,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:49:14,364 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 [2024-11-24 01:49:14,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:49:14,375 INFO L225 Difference]: With dead ends: 2178 [2024-11-24 01:49:14,376 INFO L226 Difference]: Without dead ends: 1092 [2024-11-24 01:49:14,382 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 [2024-11-24 01:49:14,383 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 [2024-11-24 01:49:14,383 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] [2024-11-24 01:49:14,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2024-11-24 01:49:14,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1092. [2024-11-24 01:49:14,508 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) [2024-11-24 01:49:14,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 1092 states and 1525 transitions. [2024-11-24 01:49:14,522 INFO L78 Accepts]: Start accepts. Automaton has 1092 states and 1525 transitions. Word has length 81 [2024-11-24 01:49:14,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:49:14,523 INFO L471 AbstractCegarLoop]: Abstraction has 1092 states and 1525 transitions. [2024-11-24 01:49:14,523 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) [2024-11-24 01:49:14,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1525 transitions. [2024-11-24 01:49:14,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-24 01:49:14,528 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:49:14,528 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] [2024-11-24 01:49:14,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 01:49:14,528 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:49:14,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:49:14,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1973174508, now seen corresponding path program 1 times [2024-11-24 01:49:14,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:49:14,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126138360] [2024-11-24 01:49:14,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:49:14,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:49:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:49:15,625 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-24 01:49:15,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:49:15,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126138360] [2024-11-24 01:49:15,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126138360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:49:15,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:49:15,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:49:15,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062713671] [2024-11-24 01:49:15,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:49:15,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:49:15,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:49:15,629 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:49:15,629 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:49:15,630 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) [2024-11-24 01:49:19,658 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 [] [2024-11-24 01:49:19,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:49:19,788 INFO L93 Difference]: Finished difference Result 1092 states and 1525 transitions. [2024-11-24 01:49:19,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:49:19,789 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 [2024-11-24 01:49:19,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:49:19,791 INFO L225 Difference]: With dead ends: 1092 [2024-11-24 01:49:19,791 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 01:49:19,795 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 [2024-11-24 01:49:19,797 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 [2024-11-24 01:49:19,798 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] [2024-11-24 01:49:19,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 01:49:19,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 01:49:19,798 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) [2024-11-24 01:49:19,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 01:49:19,800 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 93 [2024-11-24 01:49:19,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:49:19,800 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 01:49:19,800 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) [2024-11-24 01:49:19,800 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 01:49:19,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 01:49:19,804 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:49:19,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 01:49:19,808 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:49:19,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-24 01:49:33,023 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:49:33,042 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_s_cx8802_pci_driver_pci_driver~0 [2024-11-24 01:49:33,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:49:33 BoogieIcfgContainer [2024-11-24 01:49:33,043 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:49:33,044 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:49:33,044 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:49:33,044 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:49:33,046 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:48:50" (3/4) ... [2024-11-24 01:49:33,050 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 01:49:33,056 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2024-11-24 01:49:33,057 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_set_power_state [2024-11-24 01:49:33,057 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-11-24 01:49:33,057 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cx8802_request_release [2024-11-24 01:49:33,057 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure list_empty [2024-11-24 01:49:33,057 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_enable_device [2024-11-24 01:49:33,057 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cx88_sram_channel_dump [2024-11-24 01:49:33,057 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure list_add_tail [2024-11-24 01:49:33,057 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2024-11-24 01:49:33,057 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure INIT_LIST_HEAD [2024-11-24 01:49:33,057 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-11-24 01:49:33,057 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_disable_device [2024-11-24 01:49:33,057 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure msecs_to_jiffies [2024-11-24 01:49:33,057 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-11-24 01:49:33,057 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure list_del [2024-11-24 01:49:33,057 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure do_cancel_buffers [2024-11-24 01:49:33,057 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cx8802_restart_queue [2024-11-24 01:49:33,057 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2024-11-24 01:49:33,058 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_set_drvdata [2024-11-24 01:49:33,058 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cx8802_start_dma [2024-11-24 01:49:33,058 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2024-11-24 01:49:33,058 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~int [2024-11-24 01:49:33,058 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_lock_of_cx88_core [2024-11-24 01:49:33,058 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_get_drvdata [2024-11-24 01:49:33,058 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cx88_core_put [2024-11-24 01:49:33,059 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure readl [2024-11-24 01:49:33,059 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure writel [2024-11-24 01:49:33,059 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_lock_of_cx88_core [2024-11-24 01:49:33,059 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2024-11-24 01:49:33,060 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cx8802_stop_dma [2024-11-24 01:49:33,060 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_handler_precall [2024-11-24 01:49:33,060 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mod_timer [2024-11-24 01:49:33,060 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-24 01:49:33,060 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2024-11-24 01:49:33,060 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_read_config_byte [2024-11-24 01:49:33,060 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spinlock_check [2024-11-24 01:49:33,060 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cx8802_request_acquire [2024-11-24 01:49:33,107 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 261 nodes and edges [2024-11-24 01:49:33,111 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 105 nodes and edges [2024-11-24 01:49:33,114 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2024-11-24 01:49:33,117 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-24 01:49:33,119 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-24 01:49:33,122 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-24 01:49:33,125 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 01:49:33,127 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 01:49:33,437 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27946b1-a30f-4752-981e-1a0c6019643b/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 01:49:33,437 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27946b1-a30f-4752-981e-1a0c6019643b/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 01:49:33,437 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:49:33,439 INFO L158 Benchmark]: Toolchain (without parser) took 53971.90ms. Allocated memory was 117.4MB in the beginning and 604.0MB in the end (delta: 486.5MB). Free memory was 84.3MB in the beginning and 286.8MB in the end (delta: -202.6MB). Peak memory consumption was 279.5MB. Max. memory is 16.1GB. [2024-11-24 01:49:33,439 INFO L158 Benchmark]: CDTParser took 0.93ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:49:33,440 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2154.67ms. Allocated memory is still 117.4MB. Free memory was 84.0MB in the beginning and 42.0MB in the end (delta: 42.1MB). Peak memory consumption was 77.8MB. Max. memory is 16.1GB. [2024-11-24 01:49:33,440 INFO L158 Benchmark]: Boogie Procedure Inliner took 209.45ms. Allocated memory is still 117.4MB. Free memory was 42.0MB in the beginning and 30.3MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:49:33,441 INFO L158 Benchmark]: Boogie Preprocessor took 582.42ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 30.3MB in the beginning and 138.1MB in the end (delta: -107.7MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2024-11-24 01:49:33,441 INFO L158 Benchmark]: RCFGBuilder took 7742.60ms. Allocated memory is still 218.1MB. Free memory was 138.1MB in the beginning and 124.4MB in the end (delta: 13.7MB). Peak memory consumption was 110.0MB. Max. memory is 16.1GB. [2024-11-24 01:49:33,442 INFO L158 Benchmark]: TraceAbstraction took 42875.75ms. Allocated memory was 218.1MB in the beginning and 604.0MB in the end (delta: 385.9MB). Free memory was 124.4MB in the beginning and 320.3MB in the end (delta: -195.9MB). Peak memory consumption was 333.8MB. Max. memory is 16.1GB. [2024-11-24 01:49:33,443 INFO L158 Benchmark]: Witness Printer took 393.40ms. Allocated memory is still 604.0MB. Free memory was 320.3MB in the beginning and 286.8MB in the end (delta: 33.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 01:49:33,444 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.93ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2154.67ms. Allocated memory is still 117.4MB. Free memory was 84.0MB in the beginning and 42.0MB in the end (delta: 42.1MB). Peak memory consumption was 77.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 209.45ms. Allocated memory is still 117.4MB. Free memory was 42.0MB in the beginning and 30.3MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 582.42ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 30.3MB in the beginning and 138.1MB in the end (delta: -107.7MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. * RCFGBuilder took 7742.60ms. Allocated memory is still 218.1MB. Free memory was 138.1MB in the beginning and 124.4MB in the end (delta: 13.7MB). Peak memory consumption was 110.0MB. Max. memory is 16.1GB. * TraceAbstraction took 42875.75ms. Allocated memory was 218.1MB in the beginning and 604.0MB in the end (delta: 385.9MB). Free memory was 124.4MB in the beginning and 320.3MB in the end (delta: -195.9MB). Peak memory consumption was 333.8MB. Max. memory is 16.1GB. * Witness Printer took 393.40ms. Allocated memory is still 604.0MB. Free memory was 320.3MB in the beginning and 286.8MB in the end (delta: 33.5MB). Peak memory consumption was 25.2MB. 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: 29.5s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 21.6s, 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: 0.8s AutomataMinimizationTime, 7 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.5s 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! [2024-11-24 01:49:33,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27946b1-a30f-4752-981e-1a0c6019643b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE