./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f00fde5-c667-4462-97c3-8afdb7c8eb73/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f00fde5-c667-4462-97c3-8afdb7c8eb73/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f00fde5-c667-4462-97c3-8afdb7c8eb73/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f00fde5-c667-4462-97c3-8afdb7c8eb73/bin/uautomizer-verify-84ZbGMXZE1/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_8f00fde5-c667-4462-97c3-8afdb7c8eb73/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f00fde5-c667-4462-97c3-8afdb7c8eb73/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7d3d6fae331941e7aeb3ae8634b57ab7fbe899fba4d7b00d559e126b42e6ea03 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:58:52,356 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:58:52,419 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f00fde5-c667-4462-97c3-8afdb7c8eb73/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 12:58:52,424 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:58:52,424 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:58:52,448 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:58:52,449 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:58:52,449 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:58:52,450 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:58:52,450 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:58:52,450 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:58:52,450 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:58:52,450 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:58:52,450 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:58:52,450 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:58:52,451 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:58:52,451 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:58:52,451 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:58:52,451 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:58:52,451 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:58:52,451 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:58:52,452 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:58:52,452 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:58:52,452 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:58:52,452 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:58:52,452 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:58:52,452 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:58:52,452 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:58:52,452 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:58:52,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:58:52,452 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:58:52,452 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:58:52,452 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:58:52,453 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:58:52,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:58:52,453 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:58:52,453 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:58:52,453 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:58:52,453 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:58:52,453 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 12:58:52,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 12:58:52,453 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:58:52,453 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:58:52,453 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:58:52,454 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:58:52,454 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_8f00fde5-c667-4462-97c3-8afdb7c8eb73/bin/uautomizer-verify-84ZbGMXZE1 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 [2024-12-02 12:58:52,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:58:52,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:58:52,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:58:52,717 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:58:52,717 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:58:52,719 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f00fde5-c667-4462-97c3-8afdb7c8eb73/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2024-12-02 12:58:55,416 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f00fde5-c667-4462-97c3-8afdb7c8eb73/bin/uautomizer-verify-84ZbGMXZE1/data/9f8129485/db42ad053737499c987fb6e089d76316/FLAG5b25fa85e [2024-12-02 12:58:55,763 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:58:55,764 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f00fde5-c667-4462-97c3-8afdb7c8eb73/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2024-12-02 12:58:55,787 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f00fde5-c667-4462-97c3-8afdb7c8eb73/bin/uautomizer-verify-84ZbGMXZE1/data/9f8129485/db42ad053737499c987fb6e089d76316/FLAG5b25fa85e [2024-12-02 12:58:55,802 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f00fde5-c667-4462-97c3-8afdb7c8eb73/bin/uautomizer-verify-84ZbGMXZE1/data/9f8129485/db42ad053737499c987fb6e089d76316 [2024-12-02 12:58:55,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:58:55,805 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:58:55,807 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:58:55,807 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:58:55,811 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:58:55,812 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:58:55" (1/1) ... [2024-12-02 12:58:55,813 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ab0ff98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:58:55, skipping insertion in model container [2024-12-02 12:58:55,813 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:58:55" (1/1) ... [2024-12-02 12:58:55,884 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:58:56,790 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_8f00fde5-c667-4462-97c3-8afdb7c8eb73/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i[185143,185156] [2024-12-02 12:58:56,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:58:56,884 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:58:56,974 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4935] [2024-12-02 12:58:56,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4942] [2024-12-02 12:58:57,000 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)buf->vb.queue.next) [5294] [2024-12-02 12:58:57,028 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)d->drvlist.next) [5768] [2024-12-02 12:58:57,059 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->devlist.next) [5925] [2024-12-02 12:58:57,092 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->devlist.next) [5987] [2024-12-02 12:58:57,111 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_8f00fde5-c667-4462-97c3-8afdb7c8eb73/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i[185143,185156] [2024-12-02 12:58:57,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:58:57,168 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:58:57,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:58:57 WrapperNode [2024-12-02 12:58:57,169 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:58:57,170 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:58:57,170 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:58:57,170 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:58:57,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:58:57" (1/1) ... [2024-12-02 12:58:57,216 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:58:57" (1/1) ... [2024-12-02 12:58:57,286 INFO L138 Inliner]: procedures = 183, calls = 969, calls flagged for inlining = 82, calls inlined = 60, statements flattened = 1777 [2024-12-02 12:58:57,287 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:58:57,287 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:58:57,287 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:58:57,287 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:58:57,297 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:58:57" (1/1) ... [2024-12-02 12:58:57,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:58:57" (1/1) ... [2024-12-02 12:58:57,308 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:58:57" (1/1) ... [2024-12-02 12:58:57,520 INFO L175 MemorySlicer]: Split 388 memory accesses to 13 slices as follows [2, 4, 8, 239, 7, 2, 4, 7, 7, 40, 22, 39, 7]. 62 percent of accesses are in the largest equivalence class. The 102 initializations are split as follows [2, 4, 8, 16, 7, 0, 4, 7, 7, 40, 0, 0, 7]. The 93 writes are split as follows [0, 0, 0, 31, 0, 1, 0, 0, 0, 0, 22, 39, 0]. [2024-12-02 12:58:57,521 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:58:57" (1/1) ... [2024-12-02 12:58:57,521 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:58:57" (1/1) ... [2024-12-02 12:58:57,576 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:58:57" (1/1) ... [2024-12-02 12:58:57,580 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:58:57" (1/1) ... [2024-12-02 12:58:57,588 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:58:57" (1/1) ... [2024-12-02 12:58:57,609 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:58:57" (1/1) ... [2024-12-02 12:58:57,615 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:58:57" (1/1) ... [2024-12-02 12:58:57,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:58:57,633 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:58:57,633 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:58:57,633 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:58:57,634 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:58:57" (1/1) ... [2024-12-02 12:58:57,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:58:57,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f00fde5-c667-4462-97c3-8afdb7c8eb73/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:58:57,666 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f00fde5-c667-4462-97c3-8afdb7c8eb73/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:58:57,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f00fde5-c667-4462-97c3-8afdb7c8eb73/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:58:57,695 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-12-02 12:58:57,695 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-12-02 12:58:57,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 12:58:57,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 12:58:57,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 12:58:57,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 12:58:57,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 12:58:57,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 12:58:57,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 12:58:57,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 12:58:57,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 12:58:57,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 12:58:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 12:58:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 12:58:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 12:58:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_restart_queue [2024-12-02 12:58:57,696 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_restart_queue [2024-12-02 12:58:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 12:58:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 12:58:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 12:58:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 12:58:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 12:58:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 12:58:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 12:58:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 12:58:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 12:58:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 12:58:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 12:58:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 12:58:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 12:58:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 12:58:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 12:58:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 12:58:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 12:58:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 12:58:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 12:58:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 12:58:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 12:58:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 12:58:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 12:58:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 12:58:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 12:58:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 12:58:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_cx88_core [2024-12-02 12:58:57,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_cx88_core [2024-12-02 12:58:57,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_cx88_core [2024-12-02 12:58:57,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_cx88_core [2024-12-02 12:58:57,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 12:58:57,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 12:58:57,698 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2024-12-02 12:58:57,698 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2024-12-02 12:58:57,698 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 12:58:57,698 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 12:58:57,698 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-12-02 12:58:57,698 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-12-02 12:58:57,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 12:58:57,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 12:58:57,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 12:58:57,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 12:58:57,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 12:58:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 12:58:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 12:58:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 12:58:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 12:58:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 12:58:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 12:58:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 12:58:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 12:58:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-12-02 12:58:57,699 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-12-02 12:58:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-12-02 12:58:57,699 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-12-02 12:58:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-02 12:58:57,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-02 12:58:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2024-12-02 12:58:57,699 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2024-12-02 12:58:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 12:58:57,700 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-12-02 12:58:57,700 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-12-02 12:58:57,700 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-12-02 12:58:57,700 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-12-02 12:58:57,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:58:57,700 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2024-12-02 12:58:57,700 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2024-12-02 12:58:57,700 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 12:58:57,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 12:58:57,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 12:58:57,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 12:58:57,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 12:58:57,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 12:58:57,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 12:58:57,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 12:58:57,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 12:58:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 12:58:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 12:58:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 12:58:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 12:58:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 12:58:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 12:58:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 12:58:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-12-02 12:58:57,701 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-12-02 12:58:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure do_cancel_buffers [2024-12-02 12:58:57,701 INFO L138 BoogieDeclarations]: Found implementation of procedure do_cancel_buffers [2024-12-02 12:58:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_start_dma [2024-12-02 12:58:57,701 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_start_dma [2024-12-02 12:58:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-12-02 12:58:57,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-12-02 12:58:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 12:58:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 12:58:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 12:58:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 12:58:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 12:58:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 12:58:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 12:58:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 12:58:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 12:58:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 12:58:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 12:58:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 12:58:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 12:58:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-12-02 12:58:57,702 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-12-02 12:58:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_put [2024-12-02 12:58:57,702 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_put [2024-12-02 12:58:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_stop_dma [2024-12-02 12:58:57,702 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_stop_dma [2024-12-02 12:58:57,703 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-12-02 12:58:57,703 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-12-02 12:58:57,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 12:58:57,703 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_request_acquire [2024-12-02 12:58:57,703 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_request_acquire [2024-12-02 12:58:57,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 12:58:57,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 12:58:57,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 12:58:57,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 12:58:57,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 12:58:57,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 12:58:57,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 12:58:57,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 12:58:57,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 12:58:57,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 12:58:57,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 12:58:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 12:58:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 12:58:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-12-02 12:58:57,704 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-12-02 12:58:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 12:58:57,704 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 12:58:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_request_release [2024-12-02 12:58:57,704 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_request_release [2024-12-02 12:58:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_dump [2024-12-02 12:58:57,704 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_dump [2024-12-02 12:58:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-12-02 12:58:57,704 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-12-02 12:58:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-12-02 12:58:57,704 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-12-02 12:58:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-12-02 12:58:57,704 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-12-02 12:58:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-12-02 12:58:57,705 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-12-02 12:58:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-12-02 12:58:57,705 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-12-02 12:58:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-12-02 12:58:57,705 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-12-02 12:58:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-12-02 12:58:57,705 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-12-02 12:58:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 12:58:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 12:58:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 12:58:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 12:58:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 12:58:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 12:58:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 12:58:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 12:58:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 12:58:57,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 12:58:57,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 12:58:57,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 12:58:57,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 12:58:57,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-12-02 12:58:57,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-12-02 12:58:57,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:58:57,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:58:58,243 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:58:58,246 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:59:04,260 INFO L? ?]: Removed 843 outVars from TransFormulas that were not future-live. [2024-12-02 12:59:04,261 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:59:04,281 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:59:04,281 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 12:59:04,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:59:04 BoogieIcfgContainer [2024-12-02 12:59:04,282 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:59:04,284 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:59:04,284 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:59:04,288 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:59:04,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:58:55" (1/3) ... [2024-12-02 12:59:04,289 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15f73c59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:59:04, skipping insertion in model container [2024-12-02 12:59:04,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:58:57" (2/3) ... [2024-12-02 12:59:04,289 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15f73c59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:59:04, skipping insertion in model container [2024-12-02 12:59:04,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:59:04" (3/3) ... [2024-12-02 12:59:04,290 INFO L128 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2024-12-02 12:59:04,304 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:59:04,306 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. [2024-12-02 12:59:04,368 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:59:04,379 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;@369f081d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:59:04,379 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 12:59:04,385 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) [2024-12-02 12:59:04,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-02 12:59:04,391 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:59:04,391 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:59:04,392 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:59:04,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:59:04,396 INFO L85 PathProgramCache]: Analyzing trace with hash 645026174, now seen corresponding path program 1 times [2024-12-02 12:59:04,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:59:04,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55287595] [2024-12-02 12:59:04,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:59:04,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:59:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:59:05,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:59:05,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:59:05,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55287595] [2024-12-02 12:59:05,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55287595] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:59:05,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:59:05,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:59:05,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990003927] [2024-12-02 12:59:05,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:59:05,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:59:05,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:59:05,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:59:05,343 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:59:05,346 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) [2024-12-02 12:59:09,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:59:09,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:59:09,529 INFO L93 Difference]: Finished difference Result 1685 states and 2381 transitions. [2024-12-02 12:59:09,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:59:09,531 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 [2024-12-02 12:59:09,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:59:09,549 INFO L225 Difference]: With dead ends: 1685 [2024-12-02 12:59:09,550 INFO L226 Difference]: Without dead ends: 967 [2024-12-02 12:59:09,557 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 [2024-12-02 12:59:09,559 INFO L435 NwaCegarLoop]: 1261 mSDtfsCounter, 841 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s 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, 4.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:59:09,560 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [841 Valid, 1736 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-12-02 12:59:09,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2024-12-02 12:59:09,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 965. [2024-12-02 12:59:09,657 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) [2024-12-02 12:59:09,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1326 transitions. [2024-12-02 12:59:09,672 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1326 transitions. Word has length 19 [2024-12-02 12:59:09,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:59:09,673 INFO L471 AbstractCegarLoop]: Abstraction has 965 states and 1326 transitions. [2024-12-02 12:59:09,673 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) [2024-12-02 12:59:09,673 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1326 transitions. [2024-12-02 12:59:09,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-02 12:59:09,675 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:59:09,675 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] [2024-12-02 12:59:09,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 12:59:09,675 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:59:09,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:59:09,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1479384934, now seen corresponding path program 1 times [2024-12-02 12:59:09,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:59:09,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100685357] [2024-12-02 12:59:09,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:59:09,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:59:10,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:59:10,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:59:10,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:59:10,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100685357] [2024-12-02 12:59:10,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100685357] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:59:10,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:59:10,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:59:10,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539004350] [2024-12-02 12:59:10,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:59:10,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:59:10,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:59:10,250 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:59:10,250 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:59:10,250 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) [2024-12-02 12:59:14,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:59:14,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:59:14,344 INFO L93 Difference]: Finished difference Result 967 states and 1327 transitions. [2024-12-02 12:59:14,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:59:14,345 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 [2024-12-02 12:59:14,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:59:14,352 INFO L225 Difference]: With dead ends: 967 [2024-12-02 12:59:14,353 INFO L226 Difference]: Without dead ends: 964 [2024-12-02 12:59:14,354 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 [2024-12-02 12:59:14,354 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 [2024-12-02 12:59:14,355 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] [2024-12-02 12:59:14,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2024-12-02 12:59:14,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 964. [2024-12-02 12:59:14,430 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) [2024-12-02 12:59:14,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1324 transitions. [2024-12-02 12:59:14,439 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1324 transitions. Word has length 20 [2024-12-02 12:59:14,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:59:14,439 INFO L471 AbstractCegarLoop]: Abstraction has 964 states and 1324 transitions. [2024-12-02 12:59:14,439 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) [2024-12-02 12:59:14,440 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1324 transitions. [2024-12-02 12:59:14,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-02 12:59:14,440 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:59:14,440 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] [2024-12-02 12:59:14,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 12:59:14,440 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:59:14,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:59:14,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1383352321, now seen corresponding path program 1 times [2024-12-02 12:59:14,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:59:14,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937885871] [2024-12-02 12:59:14,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:59:14,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:59:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:59:15,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:59:15,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:59:15,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937885871] [2024-12-02 12:59:15,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937885871] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:59:15,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:59:15,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:59:15,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124067998] [2024-12-02 12:59:15,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:59:15,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:59:15,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:59:15,016 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:59:15,016 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:59:15,017 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) [2024-12-02 12:59:19,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:59:19,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:59:19,084 INFO L93 Difference]: Finished difference Result 966 states and 1325 transitions. [2024-12-02 12:59:19,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:59:19,085 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 [2024-12-02 12:59:19,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:59:19,091 INFO L225 Difference]: With dead ends: 966 [2024-12-02 12:59:19,091 INFO L226 Difference]: Without dead ends: 963 [2024-12-02 12:59:19,092 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 [2024-12-02 12:59:19,093 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 [2024-12-02 12:59:19,093 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] [2024-12-02 12:59:19,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2024-12-02 12:59:19,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2024-12-02 12:59:19,151 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) [2024-12-02 12:59:19,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1322 transitions. [2024-12-02 12:59:19,159 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1322 transitions. Word has length 21 [2024-12-02 12:59:19,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:59:19,159 INFO L471 AbstractCegarLoop]: Abstraction has 963 states and 1322 transitions. [2024-12-02 12:59:19,160 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) [2024-12-02 12:59:19,160 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1322 transitions. [2024-12-02 12:59:19,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-02 12:59:19,160 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:59:19,160 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] [2024-12-02 12:59:19,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 12:59:19,161 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:59:19,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:59:19,161 INFO L85 PathProgramCache]: Analyzing trace with hash -66101123, now seen corresponding path program 1 times [2024-12-02 12:59:19,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:59:19,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435825520] [2024-12-02 12:59:19,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:59:19,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:59:19,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:59:19,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:59:19,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:59:19,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435825520] [2024-12-02 12:59:19,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435825520] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:59:19,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:59:19,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:59:19,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248808130] [2024-12-02 12:59:19,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:59:19,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:59:19,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:59:19,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:59:19,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:59:19,754 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) [2024-12-02 12:59:23,781 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 [] [2024-12-02 12:59:23,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:59:23,832 INFO L93 Difference]: Finished difference Result 965 states and 1323 transitions. [2024-12-02 12:59:23,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:59:23,839 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 [2024-12-02 12:59:23,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:59:23,846 INFO L225 Difference]: With dead ends: 965 [2024-12-02 12:59:23,846 INFO L226 Difference]: Without dead ends: 953 [2024-12-02 12:59:23,847 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 [2024-12-02 12:59:23,847 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 [2024-12-02 12:59:23,848 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] [2024-12-02 12:59:23,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2024-12-02 12:59:23,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 953. [2024-12-02 12:59:23,900 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) [2024-12-02 12:59:23,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 953 states and 1308 transitions. [2024-12-02 12:59:23,908 INFO L78 Accepts]: Start accepts. Automaton has 953 states and 1308 transitions. Word has length 22 [2024-12-02 12:59:23,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:59:23,908 INFO L471 AbstractCegarLoop]: Abstraction has 953 states and 1308 transitions. [2024-12-02 12:59:23,908 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) [2024-12-02 12:59:23,908 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1308 transitions. [2024-12-02 12:59:23,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-02 12:59:23,911 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:59:23,911 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] [2024-12-02 12:59:23,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 12:59:23,911 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:59:23,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:59:23,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1144729545, now seen corresponding path program 1 times [2024-12-02 12:59:23,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:59:23,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156976101] [2024-12-02 12:59:23,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:59:23,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:59:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:59:24,595 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-02 12:59:24,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:59:24,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156976101] [2024-12-02 12:59:24,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156976101] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:59:24,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:59:24,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:59:24,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213641398] [2024-12-02 12:59:24,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:59:24,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:59:24,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:59:24,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:59:24,598 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:59:24,598 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) [2024-12-02 12:59:24,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:59:24,703 INFO L93 Difference]: Finished difference Result 2035 states and 2824 transitions. [2024-12-02 12:59:24,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:59:24,703 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 [2024-12-02 12:59:24,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:59:24,711 INFO L225 Difference]: With dead ends: 2035 [2024-12-02 12:59:24,711 INFO L226 Difference]: Without dead ends: 1092 [2024-12-02 12:59:24,715 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 [2024-12-02 12:59:24,716 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 [2024-12-02 12:59:24,716 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] [2024-12-02 12:59:24,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2024-12-02 12:59:24,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1092. [2024-12-02 12:59:24,780 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) [2024-12-02 12:59:24,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 1092 states and 1526 transitions. [2024-12-02 12:59:24,788 INFO L78 Accepts]: Start accepts. Automaton has 1092 states and 1526 transitions. Word has length 64 [2024-12-02 12:59:24,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:59:24,789 INFO L471 AbstractCegarLoop]: Abstraction has 1092 states and 1526 transitions. [2024-12-02 12:59:24,789 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) [2024-12-02 12:59:24,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1526 transitions. [2024-12-02 12:59:24,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-12-02 12:59:24,792 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:59:24,793 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] [2024-12-02 12:59:24,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 12:59:24,793 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:59:24,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:59:24,794 INFO L85 PathProgramCache]: Analyzing trace with hash 515055987, now seen corresponding path program 1 times [2024-12-02 12:59:24,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:59:24,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997641185] [2024-12-02 12:59:24,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:59:24,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:59:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:59:25,438 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-02 12:59:25,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:59:25,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997641185] [2024-12-02 12:59:25,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997641185] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:59:25,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:59:25,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:59:25,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275689242] [2024-12-02 12:59:25,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:59:25,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:59:25,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:59:25,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:59:25,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:59:25,440 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) [2024-12-02 12:59:25,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:59:25,543 INFO L93 Difference]: Finished difference Result 2178 states and 3044 transitions. [2024-12-02 12:59:25,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:59:25,544 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 [2024-12-02 12:59:25,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:59:25,551 INFO L225 Difference]: With dead ends: 2178 [2024-12-02 12:59:25,551 INFO L226 Difference]: Without dead ends: 1092 [2024-12-02 12:59:25,555 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 [2024-12-02 12:59:25,556 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 [2024-12-02 12:59:25,556 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] [2024-12-02 12:59:25,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2024-12-02 12:59:25,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1092. [2024-12-02 12:59:25,618 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) [2024-12-02 12:59:25,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 1092 states and 1525 transitions. [2024-12-02 12:59:25,626 INFO L78 Accepts]: Start accepts. Automaton has 1092 states and 1525 transitions. Word has length 81 [2024-12-02 12:59:25,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:59:25,627 INFO L471 AbstractCegarLoop]: Abstraction has 1092 states and 1525 transitions. [2024-12-02 12:59:25,627 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) [2024-12-02 12:59:25,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1525 transitions. [2024-12-02 12:59:25,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-12-02 12:59:25,629 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:59:25,630 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] [2024-12-02 12:59:25,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 12:59:25,630 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:59:25,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:59:25,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1973174508, now seen corresponding path program 1 times [2024-12-02 12:59:25,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:59:25,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495019149] [2024-12-02 12:59:25,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:59:25,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:59:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:59:26,183 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-02 12:59:26,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:59:26,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495019149] [2024-12-02 12:59:26,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495019149] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:59:26,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:59:26,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:59:26,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865827807] [2024-12-02 12:59:26,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:59:26,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:59:26,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:59:26,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:59:26,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:59:26,185 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) [2024-12-02 12:59:30,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:59:30,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:59:30,280 INFO L93 Difference]: Finished difference Result 1092 states and 1525 transitions. [2024-12-02 12:59:30,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:59:30,280 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 [2024-12-02 12:59:30,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:59:30,282 INFO L225 Difference]: With dead ends: 1092 [2024-12-02 12:59:30,282 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 12:59:30,285 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 [2024-12-02 12:59:30,286 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, 4.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:59:30,286 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 2108 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-12-02 12:59:30,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 12:59:30,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 12:59:30,287 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) [2024-12-02 12:59:30,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 12:59:30,288 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 93 [2024-12-02 12:59:30,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:59:30,288 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 12:59:30,288 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) [2024-12-02 12:59:30,288 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 12:59:30,288 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 12:59:30,290 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 12:59:30,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 12:59:30,293 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:59:30,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 12:59:38,211 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 12:59:38,223 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_s_cx8802_pci_driver_pci_driver~0 [2024-12-02 12:59:38,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:59:38 BoogieIcfgContainer [2024-12-02 12:59:38,224 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 12:59:38,225 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 12:59:38,225 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 12:59:38,225 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 12:59:38,225 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:59:04" (3/4) ... [2024-12-02 12:59:38,228 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 12:59:38,232 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2024-12-02 12:59:38,232 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_set_power_state [2024-12-02 12:59:38,232 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-12-02 12:59:38,233 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cx8802_request_release [2024-12-02 12:59:38,233 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure list_empty [2024-12-02 12:59:38,233 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_enable_device [2024-12-02 12:59:38,233 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cx88_sram_channel_dump [2024-12-02 12:59:38,233 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure list_add_tail [2024-12-02 12:59:38,233 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2024-12-02 12:59:38,233 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure INIT_LIST_HEAD [2024-12-02 12:59:38,233 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-12-02 12:59:38,233 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_disable_device [2024-12-02 12:59:38,233 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure msecs_to_jiffies [2024-12-02 12:59:38,233 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-12-02 12:59:38,233 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure list_del [2024-12-02 12:59:38,233 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure do_cancel_buffers [2024-12-02 12:59:38,233 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cx8802_restart_queue [2024-12-02 12:59:38,233 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2024-12-02 12:59:38,233 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_set_drvdata [2024-12-02 12:59:38,233 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cx8802_start_dma [2024-12-02 12:59:38,233 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2024-12-02 12:59:38,233 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~int [2024-12-02 12:59:38,233 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_lock_of_cx88_core [2024-12-02 12:59:38,233 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_get_drvdata [2024-12-02 12:59:38,233 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cx88_core_put [2024-12-02 12:59:38,233 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure readl [2024-12-02 12:59:38,233 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure writel [2024-12-02 12:59:38,233 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_lock_of_cx88_core [2024-12-02 12:59:38,233 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2024-12-02 12:59:38,233 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cx8802_stop_dma [2024-12-02 12:59:38,234 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_handler_precall [2024-12-02 12:59:38,234 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mod_timer [2024-12-02 12:59:38,234 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-12-02 12:59:38,234 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2024-12-02 12:59:38,234 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_read_config_byte [2024-12-02 12:59:38,234 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spinlock_check [2024-12-02 12:59:38,234 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cx8802_request_acquire [2024-12-02 12:59:38,257 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 261 nodes and edges [2024-12-02 12:59:38,258 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 105 nodes and edges [2024-12-02 12:59:38,260 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2024-12-02 12:59:38,261 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-12-02 12:59:38,263 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-02 12:59:38,264 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 12:59:38,266 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 12:59:38,267 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 12:59:38,456 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f00fde5-c667-4462-97c3-8afdb7c8eb73/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 12:59:38,457 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f00fde5-c667-4462-97c3-8afdb7c8eb73/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 12:59:38,457 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 12:59:38,458 INFO L158 Benchmark]: Toolchain (without parser) took 42652.05ms. Allocated memory was 142.6MB in the beginning and 461.4MB in the end (delta: 318.8MB). Free memory was 108.2MB in the beginning and 208.9MB in the end (delta: -100.7MB). Peak memory consumption was 212.9MB. Max. memory is 16.1GB. [2024-12-02 12:59:38,458 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 142.6MB. Free memory was 83.1MB in the beginning and 83.0MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:59:38,458 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1362.60ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 77.2MB in the end (delta: 30.8MB). Peak memory consumption was 91.7MB. Max. memory is 16.1GB. [2024-12-02 12:59:38,458 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.63ms. Allocated memory is still 142.6MB. Free memory was 77.2MB in the beginning and 65.9MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:59:38,458 INFO L158 Benchmark]: Boogie Preprocessor took 345.17ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 65.9MB in the beginning and 234.7MB in the end (delta: -168.8MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2024-12-02 12:59:38,459 INFO L158 Benchmark]: RCFGBuilder took 6648.62ms. Allocated memory is still 327.2MB. Free memory was 234.7MB in the beginning and 183.3MB in the end (delta: 51.4MB). Peak memory consumption was 114.0MB. Max. memory is 16.1GB. [2024-12-02 12:59:38,459 INFO L158 Benchmark]: TraceAbstraction took 33940.35ms. Allocated memory was 327.2MB in the beginning and 461.4MB in the end (delta: 134.2MB). Free memory was 183.3MB in the beginning and 238.1MB in the end (delta: -54.8MB). Peak memory consumption was 212.4MB. Max. memory is 16.1GB. [2024-12-02 12:59:38,459 INFO L158 Benchmark]: Witness Printer took 232.05ms. Allocated memory is still 461.4MB. Free memory was 238.1MB in the beginning and 208.9MB in the end (delta: 29.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 12:59:38,460 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 142.6MB. Free memory was 83.1MB in the beginning and 83.0MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1362.60ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 77.2MB in the end (delta: 30.8MB). Peak memory consumption was 91.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 116.63ms. Allocated memory is still 142.6MB. Free memory was 77.2MB in the beginning and 65.9MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 345.17ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 65.9MB in the beginning and 234.7MB in the end (delta: -168.8MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. * RCFGBuilder took 6648.62ms. Allocated memory is still 327.2MB. Free memory was 234.7MB in the beginning and 183.3MB in the end (delta: 51.4MB). Peak memory consumption was 114.0MB. Max. memory is 16.1GB. * TraceAbstraction took 33940.35ms. Allocated memory was 327.2MB in the beginning and 461.4MB in the end (delta: 134.2MB). Free memory was 183.3MB in the beginning and 238.1MB in the end (delta: -54.8MB). Peak memory consumption was 212.4MB. Max. memory is 16.1GB. * Witness Printer took 232.05ms. Allocated memory is still 461.4MB. Free memory was 238.1MB in the beginning and 208.9MB in the end (delta: 29.2MB). 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: 26.0s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 20.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 4492 SdHoareTripleChecker+Valid, 20.2s 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, 0.0s 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: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s 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! [2024-12-02 12:59:38,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f00fde5-c667-4462-97c3-8afdb7c8eb73/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE