./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.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 762915d608ecb097448a47e33c85639d8aa65e1e4c75d703a75bd3458f3eb2ea --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 00:55:39,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:55:39,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:55:39,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:55:39,070 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:55:39,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:55:39,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:55:39,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:55:39,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:55:39,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:55:39,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:55:39,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:55:39,083 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:55:39,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:55:39,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:55:39,089 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:55:39,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:55:39,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:55:39,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:55:39,096 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:55:39,098 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:55:39,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:55:39,100 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:55:39,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:55:39,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:55:39,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:55:39,107 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:55:39,107 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:55:39,108 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:55:39,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:55:39,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:55:39,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:55:39,111 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:55:39,111 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:55:39,111 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:55:39,112 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:55:39,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:55:39,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:55:39,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:55:39,113 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:55:39,114 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:55:39,115 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:55:39,117 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 00:55:39,139 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:55:39,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:55:39,140 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:55:39,140 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:55:39,140 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:55:39,140 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:55:39,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:55:39,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:55:39,141 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:55:39,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:55:39,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 00:55:39,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:55:39,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:55:39,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:55:39,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:55:39,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:55:39,143 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:55:39,143 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:55:39,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:55:39,144 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:55:39,145 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:55:39,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:55:39,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:55:39,145 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:55:39,145 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:55:39,145 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 00:55:39,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 00:55:39,146 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:55:39,146 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:55:39,146 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:55:39,146 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 762915d608ecb097448a47e33c85639d8aa65e1e4c75d703a75bd3458f3eb2ea [2022-07-14 00:55:39,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:55:39,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:55:39,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:55:39,383 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:55:39,384 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:55:39,385 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-14 00:55:39,461 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed7fe8cb9/3078a5bcba2b4ffebf54244c9eeb442c/FLAG04abe5b63 [2022-07-14 00:55:40,186 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:55:40,187 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-14 00:55:40,222 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed7fe8cb9/3078a5bcba2b4ffebf54244c9eeb442c/FLAG04abe5b63 [2022-07-14 00:55:40,465 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed7fe8cb9/3078a5bcba2b4ffebf54244c9eeb442c [2022-07-14 00:55:40,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:55:40,469 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:55:40,469 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:55:40,469 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:55:40,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:55:40,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:55:40" (1/1) ... [2022-07-14 00:55:40,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21782612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:55:40, skipping insertion in model container [2022-07-14 00:55:40,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:55:40" (1/1) ... [2022-07-14 00:55:40,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:55:40,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:55:40,901 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3818] [2022-07-14 00:55:42,561 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i[445730,445743] [2022-07-14 00:55:42,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:55:42,623 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:55:42,702 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3818] [2022-07-14 00:55:43,014 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:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) 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) [2022-07-14 00:55:43,022 INFO L158 Benchmark]: Toolchain (without parser) took 2552.56ms. Allocated memory was 115.3MB in the beginning and 260.0MB in the end (delta: 144.7MB). Free memory was 81.1MB in the beginning and 130.5MB in the end (delta: -49.4MB). Peak memory consumption was 127.3MB. Max. memory is 16.1GB. [2022-07-14 00:55:43,023 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 115.3MB. Free memory was 85.8MB in the beginning and 85.7MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 00:55:43,023 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2551.14ms. Allocated memory was 115.3MB in the beginning and 260.0MB in the end (delta: 144.7MB). Free memory was 81.1MB in the beginning and 130.5MB in the end (delta: -49.4MB). Peak memory consumption was 127.3MB. Max. memory is 16.1GB. [2022-07-14 00:55:43,025 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 115.3MB. Free memory was 85.8MB in the beginning and 85.7MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2551.14ms. Allocated memory was 115.3MB in the beginning and 260.0MB in the end (delta: 144.7MB). Free memory was 81.1MB in the beginning and 130.5MB in the end (delta: -49.4MB). Peak memory consumption was 127.3MB. 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.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 762915d608ecb097448a47e33c85639d8aa65e1e4c75d703a75bd3458f3eb2ea --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 00:55:44,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:55:44,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:55:44,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:55:44,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:55:44,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:55:44,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:55:44,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:55:44,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:55:44,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:55:44,573 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:55:44,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:55:44,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:55:44,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:55:44,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:55:44,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:55:44,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:55:44,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:55:44,584 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:55:44,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:55:44,589 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:55:44,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:55:44,591 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:55:44,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:55:44,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:55:44,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:55:44,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:55:44,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:55:44,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:55:44,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:55:44,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:55:44,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:55:44,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:55:44,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:55:44,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:55:44,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:55:44,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:55:44,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:55:44,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:55:44,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:55:44,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:55:44,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:55:44,612 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 00:55:44,647 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:55:44,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:55:44,648 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:55:44,648 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:55:44,649 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:55:44,649 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:55:44,650 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:55:44,650 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:55:44,650 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:55:44,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:55:44,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:55:44,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:55:44,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:55:44,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:55:44,652 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 00:55:44,652 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 00:55:44,653 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 00:55:44,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:55:44,653 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:55:44,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:55:44,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:55:44,653 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:55:44,654 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:55:44,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:55:44,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:55:44,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:55:44,654 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:55:44,655 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 00:55:44,655 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 00:55:44,655 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:55:44,655 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:55:44,655 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:55:44,655 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 00:55:44,656 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 762915d608ecb097448a47e33c85639d8aa65e1e4c75d703a75bd3458f3eb2ea [2022-07-14 00:55:44,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:55:44,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:55:44,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:55:44,944 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:55:44,944 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:55:44,945 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-14 00:55:44,987 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7a172baf/122e363a5f2a4795ba0884e7cec01663/FLAG3678cd1b6 [2022-07-14 00:55:45,614 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:55:45,615 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-14 00:55:45,661 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7a172baf/122e363a5f2a4795ba0884e7cec01663/FLAG3678cd1b6 [2022-07-14 00:55:45,713 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7a172baf/122e363a5f2a4795ba0884e7cec01663 [2022-07-14 00:55:45,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:55:45,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:55:45,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:55:45,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:55:45,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:55:45,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:55:45" (1/1) ... [2022-07-14 00:55:45,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@448a6af4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:55:45, skipping insertion in model container [2022-07-14 00:55:45,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:55:45" (1/1) ... [2022-07-14 00:55:45,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:55:45,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:55:46,259 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3818] [2022-07-14 00:55:47,716 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i[445730,445743] [2022-07-14 00:55:47,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:55:47,834 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 00:55:47,883 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:55:47,926 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3818] [2022-07-14 00:55:48,279 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i[445730,445743] [2022-07-14 00:55:48,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:55:48,298 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:55:48,361 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3818] [2022-07-14 00:55:48,810 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i[445730,445743] [2022-07-14 00:55:48,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:55:48,936 INFO L208 MainTranslator]: Completed translation [2022-07-14 00:55:48,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:55:48 WrapperNode [2022-07-14 00:55:48,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 00:55:48,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 00:55:48,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 00:55:48,938 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 00:55:48,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:55:48" (1/1) ... [2022-07-14 00:55:49,034 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:55:48" (1/1) ... [2022-07-14 00:55:49,261 INFO L137 Inliner]: procedures = 322, calls = 6141, calls flagged for inlining = 114, calls inlined = 111, statements flattened = 13824 [2022-07-14 00:55:49,262 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 00:55:49,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 00:55:49,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 00:55:49,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 00:55:49,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:55:48" (1/1) ... [2022-07-14 00:55:49,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:55:48" (1/1) ... [2022-07-14 00:55:49,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:55:48" (1/1) ... [2022-07-14 00:55:49,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:55:48" (1/1) ... [2022-07-14 00:55:49,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:55:48" (1/1) ... [2022-07-14 00:55:49,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:55:48" (1/1) ... [2022-07-14 00:55:49,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:55:48" (1/1) ... [2022-07-14 00:55:49,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 00:55:49,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 00:55:49,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 00:55:49,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 00:55:49,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:55:48" (1/1) ... [2022-07-14 00:55:49,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:55:49,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:55:49,604 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) [2022-07-14 00:55:49,611 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 [2022-07-14 00:55:49,645 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-14 00:55:49,645 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-14 00:55:49,645 INFO L130 BoogieDeclarations]: Found specification of procedure to_sd [2022-07-14 00:55:49,645 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sd [2022-07-14 00:55:49,646 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_tuner [2022-07-14 00:55:49,646 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_tuner [2022-07-14 00:55:49,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 00:55:49,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 00:55:49,646 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ctrl [2022-07-14 00:55:49,646 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ctrl [2022-07-14 00:55:49,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 00:55:49,646 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_s_parameters [2022-07-14 00:55:49,647 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_s_parameters [2022-07-14 00:55:49,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 00:55:49,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 00:55:49,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 00:55:49,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 00:55:49,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 00:55:49,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 00:55:49,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 00:55:49,648 INFO L130 BoogieDeclarations]: Found specification of procedure input_change [2022-07-14 00:55:49,648 INFO L138 BoogieDeclarations]: Found implementation of procedure input_change [2022-07-14 00:55:49,648 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_g_parameters [2022-07-14 00:55:49,648 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_g_parameters [2022-07-14 00:55:49,648 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_querymenu [2022-07-14 00:55:49,648 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_querymenu [2022-07-14 00:55:49,648 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-14 00:55:49,648 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-14 00:55:49,648 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_probe [2022-07-14 00:55:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_probe [2022-07-14 00:55:49,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 00:55:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 00:55:49,649 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-14 00:55:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-14 00:55:49,649 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_shutdown [2022-07-14 00:55:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_shutdown [2022-07-14 00:55:49,649 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2388x [2022-07-14 00:55:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2388x [2022-07-14 00:55:49,650 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_tuner [2022-07-14 00:55:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_tuner [2022-07-14 00:55:49,650 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2583x [2022-07-14 00:55:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2583x [2022-07-14 00:55:49,650 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 00:55:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 00:55:49,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 00:55:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 00:55:49,651 INFO L130 BoogieDeclarations]: Found specification of procedure to_ir_state [2022-07-14 00:55:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure to_ir_state [2022-07-14 00:55:49,651 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_enable [2022-07-14 00:55:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_enable [2022-07-14 00:55:49,651 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-07-14 00:55:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-07-14 00:55:49,651 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_ns [2022-07-14 00:55:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_ns [2022-07-14 00:55:49,651 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-14 00:55:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-14 00:55:49,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 00:55:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 00:55:49,652 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 00:55:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 00:55:49,652 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_freq_to_clock_divider [2022-07-14 00:55:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_freq_to_clock_divider [2022-07-14 00:55:49,652 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_demodulation_enable [2022-07-14 00:55:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_demodulation_enable [2022-07-14 00:55:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 00:55:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 00:55:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_work_handler [2022-07-14 00:55:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_work_handler [2022-07-14 00:55:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 00:55:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 00:55:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 00:55:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write [2022-07-14 00:55:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write [2022-07-14 00:55:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 00:55:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2022-07-14 00:55:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2022-07-14 00:55:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2022-07-14 00:55:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2022-07-14 00:55:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2022-07-14 00:55:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2022-07-14 00:55:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 00:55:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 00:55:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure set_volume [2022-07-14 00:55:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure set_volume [2022-07-14 00:55:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_sliced_fmt [2022-07-14 00:55:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_sliced_fmt [2022-07-14 00:55:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_initialize [2022-07-14 00:55:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_initialize [2022-07-14 00:55:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 00:55:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ext_ctrls [2022-07-14 00:55:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ext_ctrls [2022-07-14 00:55:49,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 00:55:49,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 00:55:49,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 00:55:49,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 00:55:49,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 00:55:49,656 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_notify [2022-07-14 00:55:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_notify [2022-07-14 00:55:49,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 00:55:49,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 00:55:49,657 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-14 00:55:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-14 00:55:49,657 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-14 00:55:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-14 00:55:49,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-14 00:55:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-14 00:55:49,657 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-14 00:55:49,658 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-14 00:55:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-14 00:55:49,658 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-14 00:55:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2022-07-14 00:55:49,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2022-07-14 00:55:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_resolution [2022-07-14 00:55:49,658 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_resolution [2022-07-14 00:55:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-14 00:55:49,658 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-14 00:55:49,659 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_try_ext_ctrls [2022-07-14 00:55:49,659 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_try_ext_ctrls [2022-07-14 00:55:49,671 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-14 00:55:49,671 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-14 00:55:49,671 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-14 00:55:49,671 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-14 00:55:49,672 INFO L130 BoogieDeclarations]: Found specification of procedure cx25836_initialize [2022-07-14 00:55:49,672 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25836_initialize [2022-07-14 00:55:49,672 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write4 [2022-07-14 00:55:49,672 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write4 [2022-07-14 00:55:49,672 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ext_ctrls [2022-07-14 00:55:49,672 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ext_ctrls [2022-07-14 00:55:49,672 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_frequency [2022-07-14 00:55:49,672 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_frequency [2022-07-14 00:55:49,672 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_std_setup [2022-07-14 00:55:49,672 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_std_setup [2022-07-14 00:55:49,672 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_tx [2022-07-14 00:55:49,672 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_tx [2022-07-14 00:55:49,672 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-07-14 00:55:49,672 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-07-14 00:55:49,672 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_queryctrl [2022-07-14 00:55:49,672 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_queryctrl [2022-07-14 00:55:49,673 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_modulation_enable [2022-07-14 00:55:49,673 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_modulation_enable [2022-07-14 00:55:49,673 INFO L130 BoogieDeclarations]: Found specification of procedure cx23885_initialize [2022-07-14 00:55:49,673 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23885_initialize [2022-07-14 00:55:49,673 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_raw_fmt [2022-07-14 00:55:49,673 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_raw_fmt [2022-07-14 00:55:49,673 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_freq [2022-07-14 00:55:49,673 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_freq [2022-07-14 00:55:49,673 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_std [2022-07-14 00:55:49,673 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_std [2022-07-14 00:55:49,673 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or [2022-07-14 00:55:49,673 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or [2022-07-14 00:55:49,673 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ctrl [2022-07-14 00:55:49,673 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ctrl [2022-07-14 00:55:49,673 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_s_parameters [2022-07-14 00:55:49,673 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_s_parameters [2022-07-14 00:55:49,673 INFO L130 BoogieDeclarations]: Found specification of procedure to_state [2022-07-14 00:55:49,673 INFO L138 BoogieDeclarations]: Found implementation of procedure to_state [2022-07-14 00:55:49,673 INFO L130 BoogieDeclarations]: Found specification of procedure set_audclk_freq [2022-07-14 00:55:49,673 INFO L138 BoogieDeclarations]: Found implementation of procedure set_audclk_freq [2022-07-14 00:55:49,673 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_register [2022-07-14 00:55:49,674 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_register [2022-07-14 00:55:49,674 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_register [2022-07-14 00:55:49,674 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_register [2022-07-14 00:55:49,674 INFO L130 BoogieDeclarations]: Found specification of procedure set_input [2022-07-14 00:55:49,674 INFO L138 BoogieDeclarations]: Found implementation of procedure set_input [2022-07-14 00:55:49,674 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_g_parameters [2022-07-14 00:55:49,674 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_g_parameters [2022-07-14 00:55:49,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 00:55:49,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 00:55:49,674 INFO L130 BoogieDeclarations]: Found specification of procedure cx23888_std_setup [2022-07-14 00:55:49,674 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23888_std_setup [2022-07-14 00:55:49,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 00:55:49,674 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_initialize [2022-07-14 00:55:49,674 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_initialize [2022-07-14 00:55:49,674 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-14 00:55:49,674 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-14 00:55:49,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 00:55:49,674 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-14 00:55:49,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-14 00:55:49,674 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_rx [2022-07-14 00:55:49,674 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_rx [2022-07-14 00:55:49,674 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or4 [2022-07-14 00:55:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or4 [2022-07-14 00:55:49,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-14 00:55:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-14 00:55:49,675 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_input_status [2022-07-14 00:55:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_input_status [2022-07-14 00:55:49,675 INFO L130 BoogieDeclarations]: Found specification of procedure lpf_count_to_ns [2022-07-14 00:55:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure lpf_count_to_ns [2022-07-14 00:55:49,675 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_set_audclk_freq [2022-07-14 00:55:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_set_audclk_freq [2022-07-14 00:55:49,675 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read [2022-07-14 00:55:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read [2022-07-14 00:55:49,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 00:55:49,675 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_us [2022-07-14 00:55:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_us [2022-07-14 00:55:49,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-14 00:55:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-14 00:55:49,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 00:55:49,675 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 00:55:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 00:55:49,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 00:55:49,675 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 00:55:49,675 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_sliced_fmt [2022-07-14 00:55:49,676 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_sliced_fmt [2022-07-14 00:55:49,676 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2022-07-14 00:55:49,676 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2022-07-14 00:55:49,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 00:55:49,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 00:55:49,676 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2022-07-14 00:55:49,676 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2022-07-14 00:55:49,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 00:55:49,676 INFO L130 BoogieDeclarations]: Found specification of procedure get_fw_name [2022-07-14 00:55:49,676 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fw_name [2022-07-14 00:55:49,676 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_decode_vbi_line [2022-07-14 00:55:49,676 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_decode_vbi_line [2022-07-14 00:55:49,676 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_adapter_id [2022-07-14 00:55:49,676 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_adapter_id [2022-07-14 00:55:49,676 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_carrier_freq [2022-07-14 00:55:49,676 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_carrier_freq [2022-07-14 00:55:49,676 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_clocks_to_clock_divider [2022-07-14 00:55:49,676 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_clocks_to_clock_divider [2022-07-14 00:55:49,676 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx231xx [2022-07-14 00:55:49,676 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx231xx [2022-07-14 00:55:49,676 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2022-07-14 00:55:49,676 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2022-07-14 00:55:49,677 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_s_edge_detection [2022-07-14 00:55:49,677 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_s_edge_detection [2022-07-14 00:55:49,677 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-07-14 00:55:49,677 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-07-14 00:55:49,677 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_probe [2022-07-14 00:55:49,677 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_probe [2022-07-14 00:55:49,677 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-14 00:55:49,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-14 00:55:49,677 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-14 00:55:49,677 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-14 00:55:49,677 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read4 [2022-07-14 00:55:49,677 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read4 [2022-07-14 00:55:49,677 INFO L130 BoogieDeclarations]: Found specification of procedure odd_parity [2022-07-14 00:55:49,677 INFO L138 BoogieDeclarations]: Found implementation of procedure odd_parity [2022-07-14 00:55:49,677 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_enable [2022-07-14 00:55:49,677 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_enable [2022-07-14 00:55:49,677 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-14 00:55:49,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-14 00:55:49,677 INFO L130 BoogieDeclarations]: Found specification of procedure filter_rx_s_min_width [2022-07-14 00:55:49,677 INFO L138 BoogieDeclarations]: Found implementation of procedure filter_rx_s_min_width [2022-07-14 00:55:49,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 00:55:49,677 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_shutdown [2022-07-14 00:55:49,678 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_shutdown [2022-07-14 00:55:49,678 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-14 00:55:49,678 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-14 00:55:49,678 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-14 00:55:49,678 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-14 00:55:49,678 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23885 [2022-07-14 00:55:49,678 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23885 [2022-07-14 00:55:49,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 00:55:49,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 00:55:49,678 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_pulse_clocks [2022-07-14 00:55:49,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_pulse_clocks [2022-07-14 00:55:49,678 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23888 [2022-07-14 00:55:49,678 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23888 [2022-07-14 00:55:49,678 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23887 [2022-07-14 00:55:49,678 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23887 [2022-07-14 00:55:50,831 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 00:55:50,836 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 00:55:54,556 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 00:58:56,478 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 00:58:56,516 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 00:58:56,516 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 00:58:56,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:58:56 BoogieIcfgContainer [2022-07-14 00:58:56,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 00:58:56,527 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 00:58:56,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 00:58:56,529 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 00:58:56,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 12:55:45" (1/3) ... [2022-07-14 00:58:56,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@126037de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:58:56, skipping insertion in model container [2022-07-14 00:58:56,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:55:48" (2/3) ... [2022-07-14 00:58:56,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@126037de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:58:56, skipping insertion in model container [2022-07-14 00:58:56,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:58:56" (3/3) ... [2022-07-14 00:58:56,532 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-14 00:58:56,543 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 00:58:56,543 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 00:58:56,690 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 00:58:56,694 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@1b551a4b, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@66521458 [2022-07-14 00:58:56,694 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 00:58:56,714 INFO L276 IsEmpty]: Start isEmpty. Operand has 8650 states, 4970 states have (on average 1.1877263581488933) internal successors, (5903), 5007 states have internal predecessors, (5903), 3563 states have call successors, (3563), 116 states have call predecessors, (3563), 115 states have return successors, (3548), 3540 states have call predecessors, (3548), 3548 states have call successors, (3548) [2022-07-14 00:58:56,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2022-07-14 00:58:56,739 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:58:56,739 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:58:56,740 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:58:56,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:58:56,744 INFO L85 PathProgramCache]: Analyzing trace with hash 2043482198, now seen corresponding path program 1 times [2022-07-14 00:58:56,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:58:56,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [150082749] [2022-07-14 00:58:56,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:58:56,759 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:58:56,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:58:56,761 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) [2022-07-14 00:58:56,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 00:58:58,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:58:58,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 3295 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-14 00:58:58,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:58:59,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2844 backedges. 513 proven. 0 refuted. 0 times theorem prover too weak. 2331 trivial. 0 not checked. [2022-07-14 00:58:59,052 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:58:59,053 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:58:59,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [150082749] [2022-07-14 00:58:59,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [150082749] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:58:59,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:58:59,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 00:58:59,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266526567] [2022-07-14 00:58:59,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:58:59,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-14 00:58:59,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:58:59,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-14 00:58:59,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-14 00:58:59,110 INFO L87 Difference]: Start difference. First operand has 8650 states, 4970 states have (on average 1.1877263581488933) internal successors, (5903), 5007 states have internal predecessors, (5903), 3563 states have call successors, (3563), 116 states have call predecessors, (3563), 115 states have return successors, (3548), 3540 states have call predecessors, (3548), 3548 states have call successors, (3548) Second operand has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-14 00:58:59,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:58:59,498 INFO L93 Difference]: Finished difference Result 17295 states and 26077 transitions. [2022-07-14 00:58:59,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-14 00:58:59,500 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 458 [2022-07-14 00:58:59,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:58:59,589 INFO L225 Difference]: With dead ends: 17295 [2022-07-14 00:58:59,589 INFO L226 Difference]: Without dead ends: 8628 [2022-07-14 00:58:59,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 457 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-14 00:58:59,659 INFO L413 NwaCegarLoop]: 13010 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13010 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 00:58:59,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13010 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 00:58:59,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8628 states. [2022-07-14 00:59:02,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8628 to 8628. [2022-07-14 00:59:02,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8628 states, 4965 states have (on average 1.1842900302114803) internal successors, (5880), 4985 states have internal predecessors, (5880), 3548 states have call successors, (3548), 115 states have call predecessors, (3548), 114 states have return successors, (3547), 3539 states have call predecessors, (3547), 3547 states have call successors, (3547) [2022-07-14 00:59:02,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8628 states to 8628 states and 12975 transitions. [2022-07-14 00:59:02,682 INFO L78 Accepts]: Start accepts. Automaton has 8628 states and 12975 transitions. Word has length 458 [2022-07-14 00:59:02,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:59:02,684 INFO L495 AbstractCegarLoop]: Abstraction has 8628 states and 12975 transitions. [2022-07-14 00:59:02,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-14 00:59:02,684 INFO L276 IsEmpty]: Start isEmpty. Operand 8628 states and 12975 transitions. [2022-07-14 00:59:02,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2022-07-14 00:59:02,695 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:59:02,695 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:59:02,756 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 00:59:02,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:59:02,928 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:59:02,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:59:02,929 INFO L85 PathProgramCache]: Analyzing trace with hash 739151226, now seen corresponding path program 1 times [2022-07-14 00:59:02,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:59:02,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1639303867] [2022-07-14 00:59:02,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:59:02,931 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:59:02,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:59:02,933 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) [2022-07-14 00:59:02,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 00:59:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:59:05,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 3295 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-14 00:59:05,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:59:05,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2844 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 2736 trivial. 0 not checked. [2022-07-14 00:59:05,918 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:59:05,918 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:59:05,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1639303867] [2022-07-14 00:59:05,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1639303867] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:59:05,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:59:05,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 00:59:05,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195239063] [2022-07-14 00:59:05,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:59:05,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 00:59:05,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:59:05,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 00:59:05,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 00:59:05,927 INFO L87 Difference]: Start difference. First operand 8628 states and 12975 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-14 00:59:09,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:59:09,686 INFO L93 Difference]: Finished difference Result 17222 states and 25921 transitions. [2022-07-14 00:59:09,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 00:59:09,688 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 458 [2022-07-14 00:59:09,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:59:09,766 INFO L225 Difference]: With dead ends: 17222 [2022-07-14 00:59:09,767 INFO L226 Difference]: Without dead ends: 8629 [2022-07-14 00:59:09,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 459 GetRequests, 453 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-14 00:59:09,831 INFO L413 NwaCegarLoop]: 12957 mSDtfsCounter, 6 mSDsluCounter, 51787 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 64744 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-14 00:59:09,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 64744 Invalid, 142 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-14 00:59:09,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8629 states. [2022-07-14 00:59:13,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8629 to 8629. [2022-07-14 00:59:13,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8629 states, 4966 states have (on average 1.184252919855014) internal successors, (5881), 4986 states have internal predecessors, (5881), 3548 states have call successors, (3548), 115 states have call predecessors, (3548), 114 states have return successors, (3547), 3539 states have call predecessors, (3547), 3547 states have call successors, (3547) [2022-07-14 00:59:13,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8629 states to 8629 states and 12976 transitions. [2022-07-14 00:59:13,235 INFO L78 Accepts]: Start accepts. Automaton has 8629 states and 12976 transitions. Word has length 458 [2022-07-14 00:59:13,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:59:13,238 INFO L495 AbstractCegarLoop]: Abstraction has 8629 states and 12976 transitions. [2022-07-14 00:59:13,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-14 00:59:13,239 INFO L276 IsEmpty]: Start isEmpty. Operand 8629 states and 12976 transitions. [2022-07-14 00:59:13,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2022-07-14 00:59:13,247 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:59:13,247 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:59:13,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 00:59:13,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:59:13,469 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:59:13,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:59:13,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1444156937, now seen corresponding path program 1 times [2022-07-14 00:59:13,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:59:13,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [989956605] [2022-07-14 00:59:13,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:59:13,472 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:59:13,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:59:13,473 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) [2022-07-14 00:59:13,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 00:59:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:59:15,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 3438 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-14 00:59:15,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:59:16,667 INFO L134 CoverageAnalysis]: Checked inductivity of 3091 backedges. 144 proven. 1 refuted. 0 times theorem prover too weak. 2946 trivial. 0 not checked. [2022-07-14 00:59:16,668 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 00:59:19,814 INFO L134 CoverageAnalysis]: Checked inductivity of 3091 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 2970 trivial. 0 not checked. [2022-07-14 00:59:19,815 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:59:19,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [989956605] [2022-07-14 00:59:19,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [989956605] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 00:59:19,815 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 00:59:19,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-14 00:59:19,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142714629] [2022-07-14 00:59:19,815 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 00:59:19,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-14 00:59:19,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:59:19,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-14 00:59:19,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-14 00:59:19,818 INFO L87 Difference]: Start difference. First operand 8629 states and 12976 transitions. Second operand has 11 states, 9 states have (on average 10.333333333333334) internal successors, (93), 11 states have internal predecessors, (93), 4 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (50), 4 states have call predecessors, (50), 4 states have call successors, (50) [2022-07-14 00:59:23,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:59:23,744 INFO L93 Difference]: Finished difference Result 17229 states and 25929 transitions. [2022-07-14 00:59:23,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 00:59:23,746 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 10.333333333333334) internal successors, (93), 11 states have internal predecessors, (93), 4 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (50), 4 states have call predecessors, (50), 4 states have call successors, (50) Word has length 471 [2022-07-14 00:59:23,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:59:23,827 INFO L225 Difference]: With dead ends: 17229 [2022-07-14 00:59:23,827 INFO L226 Difference]: Without dead ends: 8635 [2022-07-14 00:59:23,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 943 GetRequests, 931 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-07-14 00:59:23,872 INFO L413 NwaCegarLoop]: 12958 mSDtfsCounter, 10 mSDsluCounter, 64744 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 77702 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-14 00:59:23,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 77702 Invalid, 200 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [29 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-14 00:59:23,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8635 states. [2022-07-14 00:59:26,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8635 to 8635. [2022-07-14 00:59:26,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8635 states, 4970 states have (on average 1.1841046277665996) internal successors, (5885), 4990 states have internal predecessors, (5885), 3549 states have call successors, (3549), 116 states have call predecessors, (3549), 115 states have return successors, (3548), 3540 states have call predecessors, (3548), 3548 states have call successors, (3548) [2022-07-14 00:59:26,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8635 states to 8635 states and 12982 transitions. [2022-07-14 00:59:26,543 INFO L78 Accepts]: Start accepts. Automaton has 8635 states and 12982 transitions. Word has length 471 [2022-07-14 00:59:26,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:59:26,544 INFO L495 AbstractCegarLoop]: Abstraction has 8635 states and 12982 transitions. [2022-07-14 00:59:26,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 10.333333333333334) internal successors, (93), 11 states have internal predecessors, (93), 4 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (50), 4 states have call predecessors, (50), 4 states have call successors, (50) [2022-07-14 00:59:26,545 INFO L276 IsEmpty]: Start isEmpty. Operand 8635 states and 12982 transitions. [2022-07-14 00:59:26,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2022-07-14 00:59:26,551 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:59:26,551 INFO L195 NwaCegarLoop]: trace histogram [26, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:59:26,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 00:59:26,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:59:26,764 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:59:26,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:59:26,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1704583322, now seen corresponding path program 2 times [2022-07-14 00:59:26,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:59:26,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1893420715] [2022-07-14 00:59:26,766 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 00:59:26,766 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:59:26,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:59:26,767 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) [2022-07-14 00:59:26,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 00:59:28,279 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 00:59:28,280 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 00:59:28,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 2040 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:59:28,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:59:28,913 INFO L134 CoverageAnalysis]: Checked inductivity of 3507 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3507 trivial. 0 not checked. [2022-07-14 00:59:28,913 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:59:28,913 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:59:28,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1893420715] [2022-07-14 00:59:28,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1893420715] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:59:28,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:59:28,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:59:28,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585584055] [2022-07-14 00:59:28,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:59:28,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:59:28,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:59:28,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:59:28,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:59:28,914 INFO L87 Difference]: Start difference. First operand 8635 states and 12982 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2022-07-14 00:59:31,054 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:59:31,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:59:31,678 INFO L93 Difference]: Finished difference Result 25720 states and 38688 transitions. [2022-07-14 00:59:31,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:59:31,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 484 [2022-07-14 00:59:31,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:59:31,772 INFO L225 Difference]: With dead ends: 25720 [2022-07-14 00:59:31,772 INFO L226 Difference]: Without dead ends: 17158 [2022-07-14 00:59:31,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 483 GetRequests, 482 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:59:31,824 INFO L413 NwaCegarLoop]: 16496 mSDtfsCounter, 12811 mSDsluCounter, 12961 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12811 SdHoareTripleChecker+Valid, 29457 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-14 00:59:31,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12811 Valid, 29457 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-07-14 00:59:31,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17158 states. [2022-07-14 00:59:39,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17158 to 17158. [2022-07-14 00:59:39,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17158 states, 9874 states have (on average 1.1849301195057726) internal successors, (11700), 9914 states have internal predecessors, (11700), 7054 states have call successors, (7054), 230 states have call predecessors, (7054), 229 states have return successors, (7053), 7037 states have call predecessors, (7053), 7053 states have call successors, (7053) [2022-07-14 00:59:39,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17158 states to 17158 states and 25807 transitions. [2022-07-14 00:59:39,325 INFO L78 Accepts]: Start accepts. Automaton has 17158 states and 25807 transitions. Word has length 484 [2022-07-14 00:59:39,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:59:39,328 INFO L495 AbstractCegarLoop]: Abstraction has 17158 states and 25807 transitions. [2022-07-14 00:59:39,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2022-07-14 00:59:39,328 INFO L276 IsEmpty]: Start isEmpty. Operand 17158 states and 25807 transitions. [2022-07-14 00:59:39,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2022-07-14 00:59:39,332 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:59:39,332 INFO L195 NwaCegarLoop]: trace histogram [26, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:59:39,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 00:59:39,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:59:39,548 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:59:39,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:59:39,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1122531750, now seen corresponding path program 1 times [2022-07-14 00:59:39,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:59:39,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1659929538] [2022-07-14 00:59:39,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:59:39,551 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:59:39,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:59:39,553 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:59:39,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 00:59:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:59:41,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 3590 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 00:59:41,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:59:42,960 INFO L134 CoverageAnalysis]: Checked inductivity of 3507 backedges. 204 proven. 3 refuted. 0 times theorem prover too weak. 3300 trivial. 0 not checked. [2022-07-14 00:59:42,960 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 00:59:47,034 INFO L134 CoverageAnalysis]: Checked inductivity of 3507 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 3324 trivial. 0 not checked. [2022-07-14 00:59:47,035 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:59:47,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1659929538] [2022-07-14 00:59:47,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1659929538] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 00:59:47,035 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 00:59:47,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-14 00:59:47,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187067006] [2022-07-14 00:59:47,036 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 00:59:47,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-14 00:59:47,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:59:47,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-14 00:59:47,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-14 00:59:47,037 INFO L87 Difference]: Start difference. First operand 17158 states and 25807 transitions. Second operand has 13 states, 11 states have (on average 8.909090909090908) internal successors, (98), 13 states have internal predecessors, (98), 4 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (50), 4 states have call predecessors, (50), 4 states have call successors, (50) [2022-07-14 00:59:52,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:59:52,124 INFO L93 Difference]: Finished difference Result 34291 states and 51605 transitions. [2022-07-14 00:59:52,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-14 00:59:52,125 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 8.909090909090908) internal successors, (98), 13 states have internal predecessors, (98), 4 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (50), 4 states have call predecessors, (50), 4 states have call successors, (50) Word has length 487 [2022-07-14 00:59:52,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:59:52,235 INFO L225 Difference]: With dead ends: 34291 [2022-07-14 00:59:52,235 INFO L226 Difference]: Without dead ends: 17160 [2022-07-14 00:59:52,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 975 GetRequests, 961 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2022-07-14 00:59:52,445 INFO L413 NwaCegarLoop]: 12958 mSDtfsCounter, 13 mSDsluCounter, 90653 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 103611 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-14 00:59:52,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 103611 Invalid, 259 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [35 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-07-14 00:59:52,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17160 states.