./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --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 213c19133f8e1eb8e04c1430c89bd3923e29e833639b74dc68815899bbf3f9fa --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 10:50:28,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 10:50:28,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 10:50:28,079 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 10:50:28,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 10:50:28,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 10:50:28,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 10:50:28,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 10:50:28,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 10:50:28,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 10:50:28,100 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 10:50:28,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 10:50:28,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 10:50:28,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 10:50:28,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 10:50:28,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 10:50:28,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 10:50:28,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 10:50:28,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 10:50:28,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 10:50:28,110 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 10:50:28,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 10:50:28,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 10:50:28,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 10:50:28,116 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 10:50:28,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 10:50:28,126 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 10:50:28,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 10:50:28,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 10:50:28,128 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 10:50:28,129 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 10:50:28,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 10:50:28,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 10:50:28,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 10:50:28,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 10:50:28,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 10:50:28,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 10:50:28,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 10:50:28,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 10:50:28,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 10:50:28,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 10:50:28,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 10:50:28,139 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 10:50:28,168 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 10:50:28,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 10:50:28,169 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 10:50:28,169 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 10:50:28,170 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 10:50:28,170 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 10:50:28,171 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 10:50:28,171 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 10:50:28,171 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 10:50:28,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 10:50:28,172 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 10:50:28,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 10:50:28,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 10:50:28,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 10:50:28,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 10:50:28,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 10:50:28,173 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 10:50:28,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 10:50:28,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 10:50:28,174 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 10:50:28,174 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 10:50:28,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 10:50:28,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 10:50:28,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 10:50:28,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 10:50:28,175 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 10:50:28,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 10:50:28,175 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 10:50:28,176 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 10:50:28,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 10:50:28,176 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 213c19133f8e1eb8e04c1430c89bd3923e29e833639b74dc68815899bbf3f9fa [2022-07-21 10:50:28,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 10:50:28,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 10:50:28,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 10:50:28,497 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 10:50:28,497 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 10:50:28,499 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i [2022-07-21 10:50:28,549 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23fec0b1a/1bedee1401a446cbaad422fc09b398c8/FLAG9ca1cac74 [2022-07-21 10:50:29,473 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 10:50:29,474 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i [2022-07-21 10:50:29,529 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23fec0b1a/1bedee1401a446cbaad422fc09b398c8/FLAG9ca1cac74 [2022-07-21 10:50:29,548 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23fec0b1a/1bedee1401a446cbaad422fc09b398c8 [2022-07-21 10:50:29,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 10:50:29,551 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 10:50:29,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 10:50:29,554 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 10:50:29,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 10:50:29,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:50:29" (1/1) ... [2022-07-21 10:50:29,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6972e6ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:50:29, skipping insertion in model container [2022-07-21 10:50:29,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:50:29" (1/1) ... [2022-07-21 10:50:29,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 10:50:29,743 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 10:50:32,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i[553894,553907] [2022-07-21 10:50:33,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:50:33,253 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 10:50:33,953 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: HeapLValues must be converted to RValue before their value can be queried. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:517) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-21 10:50:33,959 INFO L158 Benchmark]: Toolchain (without parser) took 4405.81ms. Allocated memory was 54.5MB in the beginning and 314.6MB in the end (delta: 260.0MB). Free memory was 22.9MB in the beginning and 201.0MB in the end (delta: -178.0MB). Peak memory consumption was 177.6MB. Max. memory is 16.1GB. [2022-07-21 10:50:33,960 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 54.5MB. Free memory was 35.5MB in the beginning and 35.5MB in the end (delta: 29.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 10:50:33,962 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4403.09ms. Allocated memory was 54.5MB in the beginning and 314.6MB in the end (delta: 260.0MB). Free memory was 22.7MB in the beginning and 201.0MB in the end (delta: -178.2MB). Peak memory consumption was 177.6MB. Max. memory is 16.1GB. [2022-07-21 10:50:33,964 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 54.5MB. Free memory was 35.5MB in the beginning and 35.5MB in the end (delta: 29.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4403.09ms. Allocated memory was 54.5MB in the beginning and 314.6MB in the end (delta: 260.0MB). Free memory was 22.7MB in the beginning and 201.0MB in the end (delta: -178.2MB). Peak memory consumption was 177.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --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 213c19133f8e1eb8e04c1430c89bd3923e29e833639b74dc68815899bbf3f9fa --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 10:50:35,600 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 10:50:35,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 10:50:35,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 10:50:35,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 10:50:35,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 10:50:35,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 10:50:35,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 10:50:35,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 10:50:35,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 10:50:35,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 10:50:35,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 10:50:35,653 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 10:50:35,659 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 10:50:35,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 10:50:35,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 10:50:35,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 10:50:35,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 10:50:35,671 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 10:50:35,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 10:50:35,677 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 10:50:35,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 10:50:35,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 10:50:35,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 10:50:35,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 10:50:35,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 10:50:35,688 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 10:50:35,688 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 10:50:35,689 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 10:50:35,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 10:50:35,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 10:50:35,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 10:50:35,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 10:50:35,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 10:50:35,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 10:50:35,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 10:50:35,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 10:50:35,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 10:50:35,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 10:50:35,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 10:50:35,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 10:50:35,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 10:50:35,705 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 10:50:35,729 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 10:50:35,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 10:50:35,731 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 10:50:35,731 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 10:50:35,732 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 10:50:35,732 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 10:50:35,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 10:50:35,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 10:50:35,733 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 10:50:35,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 10:50:35,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 10:50:35,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 10:50:35,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 10:50:35,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 10:50:35,739 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 10:50:35,739 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 10:50:35,740 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 10:50:35,740 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 10:50:35,740 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 10:50:35,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 10:50:35,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 10:50:35,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 10:50:35,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 10:50:35,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 10:50:35,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 10:50:35,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 10:50:35,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 10:50:35,742 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 10:50:35,742 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 10:50:35,742 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 10:50:35,743 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 10:50:35,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 10:50:35,743 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 10:50:35,743 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 213c19133f8e1eb8e04c1430c89bd3923e29e833639b74dc68815899bbf3f9fa [2022-07-21 10:50:36,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 10:50:36,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 10:50:36,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 10:50:36,081 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 10:50:36,081 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 10:50:36,083 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i [2022-07-21 10:50:36,142 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/577bee96f/97600c3a8f0d46f19800a58c35893e2b/FLAG7c87c4b1e [2022-07-21 10:50:36,983 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 10:50:36,984 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i [2022-07-21 10:50:37,054 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/577bee96f/97600c3a8f0d46f19800a58c35893e2b/FLAG7c87c4b1e [2022-07-21 10:50:37,417 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/577bee96f/97600c3a8f0d46f19800a58c35893e2b [2022-07-21 10:50:37,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 10:50:37,420 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 10:50:37,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 10:50:37,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 10:50:37,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 10:50:37,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:50:37" (1/1) ... [2022-07-21 10:50:37,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16570e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:50:37, skipping insertion in model container [2022-07-21 10:50:37,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:50:37" (1/1) ... [2022-07-21 10:50:37,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 10:50:37,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 10:50:40,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i[553894,553907] [2022-07-21 10:50:41,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:50:41,451 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 10:50:41,537 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 10:50:42,108 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i[553894,553907] [2022-07-21 10:50:42,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:50:42,217 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 10:50:43,248 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i[553894,553907] [2022-07-21 10:50:43,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:50:43,504 INFO L208 MainTranslator]: Completed translation [2022-07-21 10:50:43,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:50:43 WrapperNode [2022-07-21 10:50:43,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 10:50:43,505 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 10:50:43,506 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 10:50:43,506 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 10:50:43,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:50:43" (1/1) ... [2022-07-21 10:50:43,737 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:50:43" (1/1) ... [2022-07-21 10:50:44,187 INFO L137 Inliner]: procedures = 472, calls = 15316, calls flagged for inlining = 155, calls inlined = 77, statements flattened = 12736 [2022-07-21 10:50:44,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 10:50:44,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 10:50:44,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 10:50:44,189 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 10:50:44,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:50:43" (1/1) ... [2022-07-21 10:50:44,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:50:43" (1/1) ... [2022-07-21 10:50:44,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:50:43" (1/1) ... [2022-07-21 10:50:44,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:50:43" (1/1) ... [2022-07-21 10:50:44,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:50:43" (1/1) ... [2022-07-21 10:50:44,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:50:43" (1/1) ... [2022-07-21 10:50:44,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:50:43" (1/1) ... [2022-07-21 10:50:44,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 10:50:44,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 10:50:44,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 10:50:44,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 10:50:44,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:50:43" (1/1) ... [2022-07-21 10:50:44,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 10:50:44,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 10:50:44,696 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 10:50:44,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 10:50:44,727 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-21 10:50:44,727 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-21 10:50:44,727 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_regs [2022-07-21 10:50:44,727 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_regs [2022-07-21 10:50:44,728 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_capture_area_set [2022-07-21 10:50:44,728 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_capture_area_set [2022-07-21 10:50:44,728 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_alloc_urbs [2022-07-21 10:50:44,728 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_alloc_urbs [2022-07-21 10:50:44,728 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-07-21 10:50:44,728 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-07-21 10:50:44,729 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_fop_mmap [2022-07-21 10:50:44,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 10:50:44,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 10:50:44,729 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_stop_streaming [2022-07-21 10:50:44,729 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_stop_streaming [2022-07-21 10:50:44,729 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~C_INT [2022-07-21 10:50:44,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~C_INT [2022-07-21 10:50:44,730 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2022-07-21 10:50:44,730 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2022-07-21 10:50:44,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-07-21 10:50:44,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-07-21 10:50:44,730 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 10:50:44,730 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 10:50:44,731 INFO L130 BoogieDeclarations]: Found specification of procedure res_free [2022-07-21 10:50:44,731 INFO L138 BoogieDeclarations]: Found implementation of procedure res_free [2022-07-21 10:50:44,731 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 10:50:44,731 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 10:50:44,731 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_ac97 [2022-07-21 10:50:44,731 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_ac97 [2022-07-21 10:50:44,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_em28xx [2022-07-21 10:50:44,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_em28xx [2022-07-21 10:50:44,732 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2022-07-21 10:50:44,732 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2022-07-21 10:50:44,732 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 10:50:44,732 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 10:50:44,732 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-21 10:50:44,732 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-21 10:50:44,733 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_frequency [2022-07-21 10:50:44,733 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_frequency [2022-07-21 10:50:44,733 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 10:50:44,733 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 10:50:44,733 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_register [2022-07-21 10:50:44,733 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_register [2022-07-21 10:50:44,733 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2022-07-21 10:50:44,733 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2022-07-21 10:50:44,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 10:50:44,733 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_vbi_supported [2022-07-21 10:50:44,734 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_vbi_supported [2022-07-21 10:50:44,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-21 10:50:44,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 10:50:44,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 10:50:44,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 10:50:44,734 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-21 10:50:44,735 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-21 10:50:44,735 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 10:50:44,735 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 10:50:44,735 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_copy_video [2022-07-21 10:50:44,736 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_copy_video [2022-07-21 10:50:44,736 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_gpio_set [2022-07-21 10:50:44,736 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_gpio_set [2022-07-21 10:50:44,736 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_chip_ident [2022-07-21 10:50:44,736 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_chip_ident [2022-07-21 10:50:44,737 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-21 10:50:44,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-21 10:50:44,737 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2022-07-21 10:50:44,737 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2022-07-21 10:50:44,737 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_read_reg_req [2022-07-21 10:50:44,737 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_read_reg_req [2022-07-21 10:50:44,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ctrl_urb_lock_of_em28xx [2022-07-21 10:50:44,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ctrl_urb_lock_of_em28xx [2022-07-21 10:50:44,737 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-21 10:50:44,738 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-21 10:50:44,738 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_buffer_done [2022-07-21 10:50:44,738 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_buffer_done [2022-07-21 10:50:44,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ctrl_urb_lock_of_em28xx [2022-07-21 10:50:44,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ctrl_urb_lock_of_em28xx [2022-07-21 10:50:44,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-07-21 10:50:44,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-07-21 10:50:44,738 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_i2c_unregister [2022-07-21 10:50:44,738 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_i2c_unregister [2022-07-21 10:50:44,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 10:50:44,738 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 10:50:44,739 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-21 10:50:44,739 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-21 10:50:44,739 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_reg [2022-07-21 10:50:44,739 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_reg [2022-07-21 10:50:44,739 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-21 10:50:44,739 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-21 10:50:44,739 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~C_INT [2022-07-21 10:50:44,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~C_INT [2022-07-21 10:50:44,740 INFO L130 BoogieDeclarations]: Found specification of procedure video_is_registered [2022-07-21 10:50:44,740 INFO L138 BoogieDeclarations]: Found implementation of procedure video_is_registered [2022-07-21 10:50:44,740 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2022-07-21 10:50:44,740 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-21 10:50:44,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-21 10:50:44,740 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2022-07-21 10:50:44,741 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2022-07-21 10:50:44,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 10:50:44,741 INFO L130 BoogieDeclarations]: Found specification of procedure video_mux [2022-07-21 10:50:44,741 INFO L138 BoogieDeclarations]: Found implementation of procedure video_mux [2022-07-21 10:50:44,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 10:50:44,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 10:50:44,741 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 10:50:44,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 10:50:44,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 10:50:44,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 10:50:44,742 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_audio_analog_set [2022-07-21 10:50:44,742 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_audio_analog_set [2022-07-21 10:50:44,742 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-21 10:50:44,743 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-21 10:50:44,743 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_prepare [2022-07-21 10:50:44,743 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_prepare [2022-07-21 10:50:44,743 INFO L130 BoogieDeclarations]: Found specification of procedure format_by_fourcc [2022-07-21 10:50:44,743 INFO L138 BoogieDeclarations]: Found implementation of procedure format_by_fourcc [2022-07-21 10:50:44,743 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_read_reg [2022-07-21 10:50:44,744 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_read_reg [2022-07-21 10:50:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_reg_len [2022-07-21 10:50:44,744 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_reg_len [2022-07-21 10:50:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-21 10:50:44,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-21 10:50:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2022-07-21 10:50:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 10:50:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure get_ressource [2022-07-21 10:50:44,745 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ressource [2022-07-21 10:50:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~v4l2_std_id~0~TO~C_INT [2022-07-21 10:50:44,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~v4l2_std_id~0~TO~C_INT [2022-07-21 10:50:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-21 10:50:44,745 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-21 10:50:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_set_outfmt [2022-07-21 10:50:44,746 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_set_outfmt [2022-07-21 10:50:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 10:50:44,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 10:50:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 10:50:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-21 10:50:44,746 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-21 10:50:44,747 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 10:50:44,747 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 10:50:44,747 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_set_plane_payload [2022-07-21 10:50:44,747 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_set_plane_payload [2022-07-21 10:50:44,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 10:50:44,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 10:50:44,748 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2022-07-21 10:50:44,748 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2022-07-21 10:50:44,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 10:50:44,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 10:50:44,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 10:50:44,748 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-21 10:50:44,749 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-21 10:50:44,749 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_v4l2_close [2022-07-21 10:50:44,749 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_v4l2_close [2022-07-21 10:50:44,749 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_read_reg_req_len [2022-07-21 10:50:44,749 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_read_reg_req_len [2022-07-21 10:50:44,749 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2022-07-21 10:50:44,749 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2022-07-21 10:50:44,750 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_reg_bits [2022-07-21 10:50:44,750 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_reg_bits [2022-07-21 10:50:44,750 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 10:50:44,750 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 10:50:44,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 10:50:44,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 10:50:44,751 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_s_ctrl [2022-07-21 10:50:44,751 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_s_ctrl [2022-07-21 10:50:44,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 10:50:44,751 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 10:50:44,751 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_frequency [2022-07-21 10:50:44,751 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_frequency [2022-07-21 10:50:44,751 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_buffer_prepare [2022-07-21 10:50:44,752 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_buffer_prepare [2022-07-21 10:50:44,752 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_release_resources [2022-07-21 10:50:44,752 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_release_resources [2022-07-21 10:50:44,752 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-21 10:50:44,752 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-21 10:50:44,752 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2022-07-21 10:50:44,753 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2022-07-21 10:50:44,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_em28xx [2022-07-21 10:50:44,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_em28xx [2022-07-21 10:50:44,753 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_regs_req [2022-07-21 10:50:44,753 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_regs_req [2022-07-21 10:50:44,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 10:50:44,753 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2022-07-21 10:50:44,754 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2022-07-21 10:50:44,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 10:50:44,754 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_chip_info [2022-07-21 10:50:44,754 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_chip_info [2022-07-21 10:50:44,754 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_set_video_format [2022-07-21 10:50:44,754 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_set_video_format [2022-07-21 10:50:44,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 10:50:44,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 10:50:44,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 10:50:44,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 10:50:44,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 10:50:44,755 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_set_mode [2022-07-21 10:50:44,755 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_set_mode [2022-07-21 10:50:44,756 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2022-07-21 10:50:44,756 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2022-07-21 10:50:44,756 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 10:50:44,756 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 10:50:44,756 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-21 10:50:44,756 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-21 10:50:44,757 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_resolution_set [2022-07-21 10:50:44,757 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_resolution_set [2022-07-21 10:50:44,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-21 10:50:44,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-21 10:50:44,757 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_is_ac97_ready [2022-07-21 10:50:44,757 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_is_ac97_ready [2022-07-21 10:50:44,757 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u16~0~X~$Pointer$~X~C_INT~TO~C_INT [2022-07-21 10:50:44,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u16~0~X~$Pointer$~X~C_INT~TO~C_INT [2022-07-21 10:50:44,758 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-21 10:50:44,758 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-21 10:50:44,758 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2022-07-21 10:50:44,758 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2022-07-21 10:50:44,758 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_v4l2_open [2022-07-21 10:50:44,758 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_v4l2_open [2022-07-21 10:50:44,759 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_size [2022-07-21 10:50:44,759 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_size [2022-07-21 10:50:44,759 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-21 10:50:44,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-21 10:50:44,759 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 10:50:44,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 10:50:44,760 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 10:50:44,760 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 10:50:44,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 10:50:44,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 10:50:44,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 10:50:44,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 10:50:44,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 10:50:44,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 10:50:44,761 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_uninit_usb_xfer [2022-07-21 10:50:44,761 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_uninit_usb_xfer [2022-07-21 10:50:44,761 INFO L130 BoogieDeclarations]: Found specification of procedure finish_field_prepare_next [2022-07-21 10:50:44,761 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_field_prepare_next [2022-07-21 10:50:44,761 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_read_ac97 [2022-07-21 10:50:44,761 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_read_ac97 [2022-07-21 10:50:44,762 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_wake_i2c [2022-07-21 10:50:44,762 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_wake_i2c [2022-07-21 10:50:44,762 INFO L130 BoogieDeclarations]: Found specification of procedure size_to_scale [2022-07-21 10:50:44,762 INFO L138 BoogieDeclarations]: Found implementation of procedure size_to_scale [2022-07-21 10:50:44,762 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2022-07-21 10:50:44,762 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2022-07-21 10:50:44,763 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_register [2022-07-21 10:50:44,763 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_register [2022-07-21 10:50:44,763 INFO L130 BoogieDeclarations]: Found specification of procedure scale_to_size [2022-07-21 10:50:44,763 INFO L138 BoogieDeclarations]: Found implementation of procedure scale_to_size [2022-07-21 10:50:44,763 INFO L130 BoogieDeclarations]: Found specification of procedure print_err_status [2022-07-21 10:50:44,763 INFO L138 BoogieDeclarations]: Found implementation of procedure print_err_status [2022-07-21 10:50:44,763 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxw [2022-07-21 10:50:44,764 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxw [2022-07-21 10:50:44,764 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxh [2022-07-21 10:50:44,764 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxh [2022-07-21 10:50:44,764 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_vaddr [2022-07-21 10:50:44,764 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_vaddr [2022-07-21 10:50:44,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 10:50:44,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 10:50:44,765 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_capture_start [2022-07-21 10:50:44,765 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_capture_start [2022-07-21 10:50:45,584 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 10:50:45,587 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 10:52:16,466 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 10:52:16,492 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 10:52:16,495 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-21 10:52:16,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:52:16 BoogieIcfgContainer [2022-07-21 10:52:16,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 10:52:16,502 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 10:52:16,503 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 10:52:16,505 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 10:52:16,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:50:37" (1/3) ... [2022-07-21 10:52:16,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33e756d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:52:16, skipping insertion in model container [2022-07-21 10:52:16,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:50:43" (2/3) ... [2022-07-21 10:52:16,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33e756d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:52:16, skipping insertion in model container [2022-07-21 10:52:16,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:52:16" (3/3) ... [2022-07-21 10:52:16,508 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i [2022-07-21 10:52:16,522 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 10:52:16,522 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 10:52:16,602 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 10:52:16,609 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3ee24645, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6007e916 [2022-07-21 10:52:16,610 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 10:52:16,619 INFO L276 IsEmpty]: Start isEmpty. Operand has 1894 states, 1389 states have (on average 1.3916486681065514) internal successors, (1933), 1414 states have internal predecessors, (1933), 393 states have call successors, (393), 110 states have call predecessors, (393), 110 states have return successors, (393), 392 states have call predecessors, (393), 393 states have call successors, (393) [2022-07-21 10:52:16,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-21 10:52:16,626 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:52:16,626 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:52:16,627 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:52:16,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:52:16,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1357851347, now seen corresponding path program 1 times [2022-07-21 10:52:16,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:52:16,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1550141819] [2022-07-21 10:52:16,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:52:16,677 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:52:16,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:52:16,680 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 10:52:16,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 10:52:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:56,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 21167 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:52:56,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:52:56,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:52:56,657 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:52:56,658 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:52:56,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1550141819] [2022-07-21 10:52:56,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1550141819] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:52:56,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:52:56,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:52:56,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444656399] [2022-07-21 10:52:56,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:52:56,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:52:56,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:52:56,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:52:56,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:52:56,688 INFO L87 Difference]: Start difference. First operand has 1894 states, 1389 states have (on average 1.3916486681065514) internal successors, (1933), 1414 states have internal predecessors, (1933), 393 states have call successors, (393), 110 states have call predecessors, (393), 110 states have return successors, (393), 392 states have call predecessors, (393), 393 states have call successors, (393) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 10:53:07,686 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.96s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:53:08,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:53:08,180 INFO L93 Difference]: Finished difference Result 3788 states and 5592 transitions. [2022-07-21 10:53:08,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:53:08,182 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-07-21 10:53:08,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:53:08,203 INFO L225 Difference]: With dead ends: 3788 [2022-07-21 10:53:08,203 INFO L226 Difference]: Without dead ends: 1892 [2022-07-21 10:53:08,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:53:08,218 INFO L413 NwaCegarLoop]: 2703 mSDtfsCounter, 2650 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2650 SdHoareTripleChecker+Valid, 2750 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-07-21 10:53:08,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2650 Valid, 2750 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 11.3s Time] [2022-07-21 10:53:08,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1892 states. [2022-07-21 10:53:08,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1892 to 1890. [2022-07-21 10:53:08,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1890 states, 1388 states have (on average 1.3876080691642652) internal successors, (1926), 1409 states have internal predecessors, (1926), 391 states have call successors, (391), 112 states have call predecessors, (391), 110 states have return successors, (380), 379 states have call predecessors, (380), 380 states have call successors, (380) [2022-07-21 10:53:08,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1890 states to 1890 states and 2697 transitions. [2022-07-21 10:53:08,356 INFO L78 Accepts]: Start accepts. Automaton has 1890 states and 2697 transitions. Word has length 12 [2022-07-21 10:53:08,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:53:08,356 INFO L495 AbstractCegarLoop]: Abstraction has 1890 states and 2697 transitions. [2022-07-21 10:53:08,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 10:53:08,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1890 states and 2697 transitions. [2022-07-21 10:53:08,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-07-21 10:53:08,358 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:53:08,358 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:53:08,583 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forcibly destroying the process [2022-07-21 10:53:08,670 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 137 [2022-07-21 10:53:08,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:53:08,670 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:53:08,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:53:08,671 INFO L85 PathProgramCache]: Analyzing trace with hash -857980350, now seen corresponding path program 1 times [2022-07-21 10:53:08,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:53:08,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1643953149] [2022-07-21 10:53:08,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:53:08,693 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:53:08,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:53:08,695 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 10:53:08,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 10:53:46,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:53:47,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 21168 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:53:47,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:53:47,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:53:47,895 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:53:47,895 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:53:47,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1643953149] [2022-07-21 10:53:47,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1643953149] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:53:47,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:53:47,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:53:47,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867525263] [2022-07-21 10:53:47,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:53:47,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:53:47,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:53:47,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:53:47,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:53:47,897 INFO L87 Difference]: Start difference. First operand 1890 states and 2697 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 10:53:59,122 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:53:59,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:53:59,465 INFO L93 Difference]: Finished difference Result 1892 states and 2698 transitions. [2022-07-21 10:53:59,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:53:59,466 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-07-21 10:53:59,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:53:59,479 INFO L225 Difference]: With dead ends: 1892 [2022-07-21 10:53:59,479 INFO L226 Difference]: Without dead ends: 1889 [2022-07-21 10:53:59,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:53:59,486 INFO L413 NwaCegarLoop]: 2686 mSDtfsCounter, 2677 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2677 SdHoareTripleChecker+Valid, 2688 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2022-07-21 10:53:59,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2677 Valid, 2688 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 11.5s Time] [2022-07-21 10:53:59,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1889 states. [2022-07-21 10:53:59,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1889 to 1889. [2022-07-21 10:53:59,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1889 states, 1388 states have (on average 1.3868876080691643) internal successors, (1925), 1408 states have internal predecessors, (1925), 390 states have call successors, (390), 112 states have call predecessors, (390), 110 states have return successors, (380), 379 states have call predecessors, (380), 380 states have call successors, (380) [2022-07-21 10:53:59,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1889 states to 1889 states and 2695 transitions. [2022-07-21 10:53:59,569 INFO L78 Accepts]: Start accepts. Automaton has 1889 states and 2695 transitions. Word has length 13 [2022-07-21 10:53:59,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:53:59,574 INFO L495 AbstractCegarLoop]: Abstraction has 1889 states and 2695 transitions. [2022-07-21 10:53:59,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 10:53:59,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1889 states and 2695 transitions. [2022-07-21 10:53:59,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-07-21 10:53:59,578 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:53:59,578 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:53:59,797 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forcibly destroying the process [2022-07-21 10:53:59,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 137 [2022-07-21 10:53:59,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:53:59,911 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:53:59,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:53:59,912 INFO L85 PathProgramCache]: Analyzing trace with hash -829281354, now seen corresponding path program 1 times [2022-07-21 10:53:59,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:53:59,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1884757374] [2022-07-21 10:53:59,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:53:59,934 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:53:59,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:53:59,935 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 10:53:59,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 10:54:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:54:40,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 21169 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:54:40,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:54:40,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:54:40,379 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:54:40,379 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:54:40,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1884757374] [2022-07-21 10:54:40,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1884757374] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:54:40,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:54:40,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:54:40,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020152356] [2022-07-21 10:54:40,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:54:40,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:54:40,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:54:40,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:54:40,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:54:40,381 INFO L87 Difference]: Start difference. First operand 1889 states and 2695 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 10:54:51,609 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:54:52,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:54:52,045 INFO L93 Difference]: Finished difference Result 1891 states and 2696 transitions. [2022-07-21 10:54:52,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:54:52,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-07-21 10:54:52,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:54:52,055 INFO L225 Difference]: With dead ends: 1891 [2022-07-21 10:54:52,055 INFO L226 Difference]: Without dead ends: 1888 [2022-07-21 10:54:52,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:54:52,059 INFO L413 NwaCegarLoop]: 2684 mSDtfsCounter, 2674 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2674 SdHoareTripleChecker+Valid, 2686 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2022-07-21 10:54:52,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2674 Valid, 2686 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 11.5s Time] [2022-07-21 10:54:52,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1888 states. [2022-07-21 10:54:52,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1888 to 1888. [2022-07-21 10:54:52,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1888 states, 1388 states have (on average 1.3861671469740633) internal successors, (1924), 1407 states have internal predecessors, (1924), 389 states have call successors, (389), 112 states have call predecessors, (389), 110 states have return successors, (380), 379 states have call predecessors, (380), 380 states have call successors, (380) [2022-07-21 10:54:52,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1888 states to 1888 states and 2693 transitions. [2022-07-21 10:54:52,126 INFO L78 Accepts]: Start accepts. Automaton has 1888 states and 2693 transitions. Word has length 14 [2022-07-21 10:54:52,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:54:52,126 INFO L495 AbstractCegarLoop]: Abstraction has 1888 states and 2693 transitions. [2022-07-21 10:54:52,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 10:54:52,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1888 states and 2693 transitions. [2022-07-21 10:54:52,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-07-21 10:54:52,128 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:54:52,128 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:54:52,355 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forcibly destroying the process [2022-07-21 10:54:52,448 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 137 [2022-07-21 10:54:52,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:54:52,449 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:54:52,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:54:52,449 INFO L85 PathProgramCache]: Analyzing trace with hash 60392389, now seen corresponding path program 1 times [2022-07-21 10:54:52,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:54:52,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [795578025] [2022-07-21 10:54:52,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:54:52,471 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:54:52,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:54:52,473 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 10:54:52,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process