./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-32_7a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 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-32_7a-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 d63f3d312d028079695bf95fa29efe98b168bcd1b57f8b32c4056bb2f52ae36f --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 00:42:25,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 00:42:25,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 00:42:25,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 00:42:25,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 00:42:25,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 00:42:25,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 00:42:25,390 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 00:42:25,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 00:42:25,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 00:42:25,396 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 00:42:25,397 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 00:42:25,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 00:42:25,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 00:42:25,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 00:42:25,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 00:42:25,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 00:42:25,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 00:42:25,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 00:42:25,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 00:42:25,413 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 00:42:25,419 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 00:42:25,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 00:42:25,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 00:42:25,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 00:42:25,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 00:42:25,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 00:42:25,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 00:42:25,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 00:42:25,427 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 00:42:25,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 00:42:25,428 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 00:42:25,429 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 00:42:25,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 00:42:25,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 00:42:25,431 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 00:42:25,431 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 00:42:25,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 00:42:25,431 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 00:42:25,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 00:42:25,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 00:42:25,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 00:42:25,435 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 00:42:25,454 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 00:42:25,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 00:42:25,455 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 00:42:25,455 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 00:42:25,456 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 00:42:25,456 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 00:42:25,456 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 00:42:25,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 00:42:25,457 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 00:42:25,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 00:42:25,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 00:42:25,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 00:42:25,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 00:42:25,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 00:42:25,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 00:42:25,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 00:42:25,458 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 00:42:25,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 00:42:25,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 00:42:25,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 00:42:25,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 00:42:25,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:42:25,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 00:42:25,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 00:42:25,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 00:42:25,460 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 00:42:25,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 00:42:25,460 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 00:42:25,460 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 00:42:25,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 00:42:25,461 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d63f3d312d028079695bf95fa29efe98b168bcd1b57f8b32c4056bb2f52ae36f [2022-07-20 00:42:25,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 00:42:25,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 00:42:25,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 00:42:25,706 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 00:42:25,707 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 00:42:25,709 INFO L432 ainManager$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-32_7a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-20 00:42:25,777 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25599e7fa/3c2563017ab441d09dad53512eec682c/FLAG3122b8651 [2022-07-20 00:42:26,537 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 00:42:26,537 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-20 00:42:26,582 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25599e7fa/3c2563017ab441d09dad53512eec682c/FLAG3122b8651 [2022-07-20 00:42:26,796 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25599e7fa/3c2563017ab441d09dad53512eec682c [2022-07-20 00:42:26,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 00:42:26,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 00:42:26,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 00:42:26,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 00:42:26,804 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 00:42:26,804 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:42:26" (1/1) ... [2022-07-20 00:42:26,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b5a6e6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:42:26, skipping insertion in model container [2022-07-20 00:42:26,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:42:26" (1/1) ... [2022-07-20 00:42:26,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 00:42:26,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:42:27,230 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3810] [2022-07-20 00:42:28,954 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-32_7a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i[459385,459398] [2022-07-20 00:42:29,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:42:29,313 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 00:42:29,384 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3810] [2022-07-20 00:42:29,676 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) [2022-07-20 00:42:29,680 INFO L158 Benchmark]: Toolchain (without parser) took 2878.83ms. Allocated memory was 119.5MB in the beginning and 264.2MB in the end (delta: 144.7MB). Free memory was 85.7MB in the beginning and 165.1MB in the end (delta: -79.4MB). Peak memory consumption was 118.6MB. Max. memory is 16.1GB. [2022-07-20 00:42:29,681 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 98.6MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 00:42:29,681 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2877.41ms. Allocated memory was 119.5MB in the beginning and 264.2MB in the end (delta: 144.7MB). Free memory was 85.7MB in the beginning and 165.1MB in the end (delta: -79.4MB). Peak memory consumption was 118.6MB. Max. memory is 16.1GB. [2022-07-20 00:42:29,682 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 98.6MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2877.41ms. Allocated memory was 119.5MB in the beginning and 264.2MB in the end (delta: 144.7MB). Free memory was 85.7MB in the beginning and 165.1MB in the end (delta: -79.4MB). Peak memory consumption was 118.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-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 d63f3d312d028079695bf95fa29efe98b168bcd1b57f8b32c4056bb2f52ae36f --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 00:42:31,125 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 00:42:31,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 00:42:31,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 00:42:31,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 00:42:31,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 00:42:31,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 00:42:31,159 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 00:42:31,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 00:42:31,161 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 00:42:31,161 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 00:42:31,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 00:42:31,162 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 00:42:31,163 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 00:42:31,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 00:42:31,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 00:42:31,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 00:42:31,166 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 00:42:31,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 00:42:31,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 00:42:31,169 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 00:42:31,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 00:42:31,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 00:42:31,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 00:42:31,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 00:42:31,183 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 00:42:31,186 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 00:42:31,186 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 00:42:31,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 00:42:31,187 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 00:42:31,188 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 00:42:31,188 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 00:42:31,189 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 00:42:31,190 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 00:42:31,191 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 00:42:31,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 00:42:31,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 00:42:31,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 00:42:31,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 00:42:31,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 00:42:31,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 00:42:31,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 00:42:31,197 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 00:42:31,237 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 00:42:31,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 00:42:31,237 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 00:42:31,238 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 00:42:31,238 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 00:42:31,238 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 00:42:31,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 00:42:31,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 00:42:31,239 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 00:42:31,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 00:42:31,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 00:42:31,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 00:42:31,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 00:42:31,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 00:42:31,241 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 00:42:31,241 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 00:42:31,241 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 00:42:31,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 00:42:31,241 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 00:42:31,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 00:42:31,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 00:42:31,242 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 00:42:31,242 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 00:42:31,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:42:31,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 00:42:31,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 00:42:31,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 00:42:31,243 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 00:42:31,243 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 00:42:31,243 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 00:42:31,243 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 00:42:31,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 00:42:31,244 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 00:42:31,244 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d63f3d312d028079695bf95fa29efe98b168bcd1b57f8b32c4056bb2f52ae36f [2022-07-20 00:42:31,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 00:42:31,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 00:42:31,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 00:42:31,504 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 00:42:31,506 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 00:42:31,507 INFO L432 ainManager$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-32_7a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-20 00:42:31,550 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0bb5a1db/ff1b35c3c5704fcca05c67c8f5b8f536/FLAGb241fcc81 [2022-07-20 00:42:32,284 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 00:42:32,285 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-20 00:42:32,330 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0bb5a1db/ff1b35c3c5704fcca05c67c8f5b8f536/FLAGb241fcc81 [2022-07-20 00:42:32,595 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0bb5a1db/ff1b35c3c5704fcca05c67c8f5b8f536 [2022-07-20 00:42:32,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 00:42:32,598 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 00:42:32,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 00:42:32,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 00:42:32,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 00:42:32,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:42:32" (1/1) ... [2022-07-20 00:42:32,603 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dabd78c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:42:32, skipping insertion in model container [2022-07-20 00:42:32,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:42:32" (1/1) ... [2022-07-20 00:42:32,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 00:42:32,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:42:33,031 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3810] [2022-07-20 00:42:34,639 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-32_7a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i[459385,459398] [2022-07-20 00:42:34,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:42:34,974 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 00:42:35,041 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:42:35,087 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3810] [2022-07-20 00:42:35,457 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-32_7a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i[459385,459398] [2022-07-20 00:42:35,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:42:35,480 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 00:42:35,538 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3810] [2022-07-20 00:42:35,882 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-32_7a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i[459385,459398] [2022-07-20 00:42:35,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:42:36,068 INFO L208 MainTranslator]: Completed translation [2022-07-20 00:42:36,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:42:36 WrapperNode [2022-07-20 00:42:36,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 00:42:36,070 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 00:42:36,070 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 00:42:36,071 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 00:42:36,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:42:36" (1/1) ... [2022-07-20 00:42:36,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:42:36" (1/1) ... [2022-07-20 00:42:36,437 INFO L137 Inliner]: procedures = 442, calls = 6361, calls flagged for inlining = 129, calls inlined = 123, statements flattened = 13972 [2022-07-20 00:42:36,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 00:42:36,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 00:42:36,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 00:42:36,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 00:42:36,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:42:36" (1/1) ... [2022-07-20 00:42:36,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:42:36" (1/1) ... [2022-07-20 00:42:36,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:42:36" (1/1) ... [2022-07-20 00:42:36,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:42:36" (1/1) ... [2022-07-20 00:42:36,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:42:36" (1/1) ... [2022-07-20 00:42:36,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:42:36" (1/1) ... [2022-07-20 00:42:36,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:42:36" (1/1) ... [2022-07-20 00:42:36,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 00:42:36,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 00:42:36,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 00:42:36,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 00:42:36,801 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:42:36" (1/1) ... [2022-07-20 00:42:36,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:42:36,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:42:36,823 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) [2022-07-20 00:42:36,846 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 [2022-07-20 00:42:36,857 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-20 00:42:36,857 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-20 00:42:36,857 INFO L130 BoogieDeclarations]: Found specification of procedure to_sd [2022-07-20 00:42:36,857 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sd [2022-07-20 00:42:36,857 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_tuner [2022-07-20 00:42:36,858 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_tuner [2022-07-20 00:42:36,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 00:42:36,858 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 00:42:36,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 00:42:36,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 00:42:36,858 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2388x [2022-07-20 00:42:36,858 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2388x [2022-07-20 00:42:36,858 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_tuner [2022-07-20 00:42:36,858 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_tuner [2022-07-20 00:42:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2583x [2022-07-20 00:42:36,859 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2583x [2022-07-20 00:42:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure to_ir_state [2022-07-20 00:42:36,859 INFO L138 BoogieDeclarations]: Found implementation of procedure to_ir_state [2022-07-20 00:42:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-07-20 00:42:36,859 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-07-20 00:42:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_ns [2022-07-20 00:42:36,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_ns [2022-07-20 00:42:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 00:42:36,860 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 00:42:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2022-07-20 00:42:36,860 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2022-07-20 00:42:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2022-07-20 00:42:36,860 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2022-07-20 00:42:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 00:42:36,860 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 00:42:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_sliced_fmt [2022-07-20 00:42:36,861 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_sliced_fmt [2022-07-20 00:42:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 00:42:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 00:42:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 00:42:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2022-07-20 00:42:36,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2022-07-20 00:42:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_resolution [2022-07-20 00:42:36,861 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_resolution [2022-07-20 00:42:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-20 00:42:36,862 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-20 00:42:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure cx25836_initialize [2022-07-20 00:42:36,862 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25836_initialize [2022-07-20 00:42:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write4 [2022-07-20 00:42:36,862 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write4 [2022-07-20 00:42:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ext_ctrls [2022-07-20 00:42:36,862 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ext_ctrls [2022-07-20 00:42:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_frequency [2022-07-20 00:42:36,862 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_frequency [2022-07-20 00:42:36,863 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_std_setup [2022-07-20 00:42:36,863 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_std_setup [2022-07-20 00:42:36,863 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-07-20 00:42:36,863 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-07-20 00:42:36,863 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_modulation_enable [2022-07-20 00:42:36,863 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_modulation_enable [2022-07-20 00:42:36,863 INFO L130 BoogieDeclarations]: Found specification of procedure cx23885_initialize [2022-07-20 00:42:36,863 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23885_initialize [2022-07-20 00:42:36,863 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_raw_fmt [2022-07-20 00:42:36,864 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_raw_fmt [2022-07-20 00:42:36,864 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or [2022-07-20 00:42:36,864 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or [2022-07-20 00:42:36,864 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ctrl [2022-07-20 00:42:36,864 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ctrl [2022-07-20 00:42:36,864 INFO L130 BoogieDeclarations]: Found specification of procedure set_audclk_freq [2022-07-20 00:42:36,864 INFO L138 BoogieDeclarations]: Found implementation of procedure set_audclk_freq [2022-07-20 00:42:36,864 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_g_parameters [2022-07-20 00:42:36,864 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_g_parameters [2022-07-20 00:42:36,865 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_initialize [2022-07-20 00:42:36,865 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_initialize [2022-07-20 00:42:36,865 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-20 00:42:36,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-20 00:42:36,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tx_params_lock_of_cx25840_ir_state [2022-07-20 00:42:36,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tx_params_lock_of_cx25840_ir_state [2022-07-20 00:42:36,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 00:42:36,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 00:42:36,865 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_input_status [2022-07-20 00:42:36,866 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_input_status [2022-07-20 00:42:36,866 INFO L130 BoogieDeclarations]: Found specification of procedure lpf_count_to_ns [2022-07-20 00:42:36,866 INFO L138 BoogieDeclarations]: Found implementation of procedure lpf_count_to_ns [2022-07-20 00:42:36,866 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_set_audclk_freq [2022-07-20 00:42:36,866 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_set_audclk_freq [2022-07-20 00:42:36,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 00:42:36,866 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_us [2022-07-20 00:42:36,866 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_us [2022-07-20 00:42:36,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 00:42:36,867 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 00:42:36,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 00:42:36,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 00:42:36,867 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-20 00:42:36,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-20 00:42:36,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-20 00:42:36,867 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2022-07-20 00:42:36,867 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2022-07-20 00:42:36,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-20 00:42:36,868 INFO L130 BoogieDeclarations]: Found specification of procedure get_fw_name [2022-07-20 00:42:36,868 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fw_name [2022-07-20 00:42:36,868 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_decode_vbi_line [2022-07-20 00:42:36,868 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_decode_vbi_line [2022-07-20 00:42:36,868 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_clocks_to_clock_divider [2022-07-20 00:42:36,868 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_clocks_to_clock_divider [2022-07-20 00:42:36,868 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx231xx [2022-07-20 00:42:36,868 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx231xx [2022-07-20 00:42:36,868 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-07-20 00:42:36,869 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-07-20 00:42:36,869 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_probe [2022-07-20 00:42:36,869 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_probe [2022-07-20 00:42:36,869 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-20 00:42:36,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-20 00:42:36,869 INFO L130 BoogieDeclarations]: Found specification of procedure odd_parity [2022-07-20 00:42:36,869 INFO L138 BoogieDeclarations]: Found implementation of procedure odd_parity [2022-07-20 00:42:36,869 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_enable [2022-07-20 00:42:36,870 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_enable [2022-07-20 00:42:36,870 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-20 00:42:36,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-20 00:42:36,870 INFO L130 BoogieDeclarations]: Found specification of procedure filter_rx_s_min_width [2022-07-20 00:42:36,870 INFO L138 BoogieDeclarations]: Found implementation of procedure filter_rx_s_min_width [2022-07-20 00:42:36,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-20 00:42:36,870 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_shutdown [2022-07-20 00:42:36,870 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_shutdown [2022-07-20 00:42:36,870 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-20 00:42:36,871 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-20 00:42:36,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 00:42:36,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 00:42:36,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 00:42:36,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 00:42:36,871 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ctrl [2022-07-20 00:42:36,871 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ctrl [2022-07-20 00:42:36,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 00:42:36,871 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_s_parameters [2022-07-20 00:42:36,872 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_s_parameters [2022-07-20 00:42:36,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 00:42:36,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 00:42:36,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 00:42:36,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 00:42:36,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 00:42:36,872 INFO L130 BoogieDeclarations]: Found specification of procedure input_change [2022-07-20 00:42:36,872 INFO L138 BoogieDeclarations]: Found implementation of procedure input_change [2022-07-20 00:42:36,872 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_g_parameters [2022-07-20 00:42:36,873 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_g_parameters [2022-07-20 00:42:36,873 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_querymenu [2022-07-20 00:42:36,873 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_querymenu [2022-07-20 00:42:36,873 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-20 00:42:36,873 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-20 00:42:36,873 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_probe [2022-07-20 00:42:36,873 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_probe [2022-07-20 00:42:36,873 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-20 00:42:36,873 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-20 00:42:36,874 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_shutdown [2022-07-20 00:42:36,874 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_shutdown [2022-07-20 00:42:36,874 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-20 00:42:36,874 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-20 00:42:36,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 00:42:36,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 00:42:36,874 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_enable [2022-07-20 00:42:36,874 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_enable [2022-07-20 00:42:36,874 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-20 00:42:36,874 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-20 00:42:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 00:42:36,875 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 00:42:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 00:42:36,875 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 00:42:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_freq_to_clock_divider [2022-07-20 00:42:36,875 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_freq_to_clock_divider [2022-07-20 00:42:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_demodulation_enable [2022-07-20 00:42:36,875 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_demodulation_enable [2022-07-20 00:42:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-20 00:42:36,876 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-20 00:42:36,876 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_work_handler [2022-07-20 00:42:36,876 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_work_handler [2022-07-20 00:42:36,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 00:42:36,876 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 00:42:36,876 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 00:42:36,876 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write [2022-07-20 00:42:36,876 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write [2022-07-20 00:42:36,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 00:42:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2022-07-20 00:42:36,877 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2022-07-20 00:42:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure set_volume [2022-07-20 00:42:36,877 INFO L138 BoogieDeclarations]: Found implementation of procedure set_volume [2022-07-20 00:42:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_initialize [2022-07-20 00:42:36,877 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_initialize [2022-07-20 00:42:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-20 00:42:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ext_ctrls [2022-07-20 00:42:36,877 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ext_ctrls [2022-07-20 00:42:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 00:42:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 00:42:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 00:42:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 00:42:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_notify [2022-07-20 00:42:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_notify [2022-07-20 00:42:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-20 00:42:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-20 00:42:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-20 00:42:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-20 00:42:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-20 00:42:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-20 00:42:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-20 00:42:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-20 00:42:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-20 00:42:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-20 00:42:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_try_ext_ctrls [2022-07-20 00:42:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_try_ext_ctrls [2022-07-20 00:42:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-20 00:42:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-20 00:42:36,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_rx_params_lock_of_cx25840_ir_state [2022-07-20 00:42:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_rx_params_lock_of_cx25840_ir_state [2022-07-20 00:42:36,880 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_tx [2022-07-20 00:42:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_tx [2022-07-20 00:42:36,880 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_queryctrl [2022-07-20 00:42:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_queryctrl [2022-07-20 00:42:36,880 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_freq [2022-07-20 00:42:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_freq [2022-07-20 00:42:36,880 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_std [2022-07-20 00:42:36,881 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_std [2022-07-20 00:42:36,881 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_s_parameters [2022-07-20 00:42:36,881 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_s_parameters [2022-07-20 00:42:36,881 INFO L130 BoogieDeclarations]: Found specification of procedure to_state [2022-07-20 00:42:36,881 INFO L138 BoogieDeclarations]: Found implementation of procedure to_state [2022-07-20 00:42:36,881 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_register [2022-07-20 00:42:36,881 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_register [2022-07-20 00:42:36,881 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_register [2022-07-20 00:42:36,881 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_register [2022-07-20 00:42:36,882 INFO L130 BoogieDeclarations]: Found specification of procedure set_input [2022-07-20 00:42:36,882 INFO L138 BoogieDeclarations]: Found implementation of procedure set_input [2022-07-20 00:42:36,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 00:42:36,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-20 00:42:36,882 INFO L130 BoogieDeclarations]: Found specification of procedure cx23888_std_setup [2022-07-20 00:42:36,882 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23888_std_setup [2022-07-20 00:42:36,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 00:42:36,882 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-20 00:42:36,882 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-20 00:42:36,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-20 00:42:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_rx [2022-07-20 00:42:36,883 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_rx [2022-07-20 00:42:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or4 [2022-07-20 00:42:36,883 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or4 [2022-07-20 00:42:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_tx_params_lock_of_cx25840_ir_state [2022-07-20 00:42:36,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_tx_params_lock_of_cx25840_ir_state [2022-07-20 00:42:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read [2022-07-20 00:42:36,883 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read [2022-07-20 00:42:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 00:42:36,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 00:42:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_sliced_fmt [2022-07-20 00:42:36,884 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_sliced_fmt [2022-07-20 00:42:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2022-07-20 00:42:36,884 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2022-07-20 00:42:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_adapter_id [2022-07-20 00:42:36,884 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_adapter_id [2022-07-20 00:42:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_carrier_freq [2022-07-20 00:42:36,884 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_carrier_freq [2022-07-20 00:42:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2022-07-20 00:42:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2022-07-20 00:42:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_s_edge_detection [2022-07-20 00:42:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_s_edge_detection [2022-07-20 00:42:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-20 00:42:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-20 00:42:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read4 [2022-07-20 00:42:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read4 [2022-07-20 00:42:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_rx_params_lock_of_cx25840_ir_state [2022-07-20 00:42:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_rx_params_lock_of_cx25840_ir_state [2022-07-20 00:42:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-20 00:42:36,886 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-20 00:42:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23885 [2022-07-20 00:42:36,886 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23885 [2022-07-20 00:42:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_pulse_clocks [2022-07-20 00:42:36,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_pulse_clocks [2022-07-20 00:42:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23888 [2022-07-20 00:42:36,886 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23888 [2022-07-20 00:42:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23887 [2022-07-20 00:42:36,887 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23887 [2022-07-20 00:42:37,952 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 00:42:37,955 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 00:42:41,269 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 00:45:31,415 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 00:45:31,484 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 00:45:31,484 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 00:45:31,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:45:31 BoogieIcfgContainer [2022-07-20 00:45:31,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 00:45:31,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 00:45:31,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 00:45:31,498 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 00:45:31,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:42:32" (1/3) ... [2022-07-20 00:45:31,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d62d7e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:45:31, skipping insertion in model container [2022-07-20 00:45:31,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:42:36" (2/3) ... [2022-07-20 00:45:31,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d62d7e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:45:31, skipping insertion in model container [2022-07-20 00:45:31,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:45:31" (3/3) ... [2022-07-20 00:45:31,501 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-20 00:45:31,510 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 00:45:31,510 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 00:45:31,690 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 00:45:31,694 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@79d54ba2, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6e181593 [2022-07-20 00:45:31,694 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 00:45:31,719 INFO L276 IsEmpty]: Start isEmpty. Operand has 8702 states, 4997 states have (on average 1.1885131078647189) internal successors, (5939), 5043 states have internal predecessors, (5939), 3584 states have call successors, (3584), 120 states have call predecessors, (3584), 119 states have return successors, (3569), 3561 states have call predecessors, (3569), 3569 states have call successors, (3569) [2022-07-20 00:45:31,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2022-07-20 00:45:31,757 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:45:31,758 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] [2022-07-20 00:45:31,759 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:45:31,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:45:31,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1030560293, now seen corresponding path program 1 times [2022-07-20 00:45:31,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:45:31,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [703083343] [2022-07-20 00:45:31,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:45:31,778 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:45:31,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:45:31,780 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) [2022-07-20 00:45:31,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 00:45:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:33,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 3300 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-20 00:45:33,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:45:34,038 INFO L134 CoverageAnalysis]: Checked inductivity of 2844 backedges. 513 proven. 0 refuted. 0 times theorem prover too weak. 2331 trivial. 0 not checked. [2022-07-20 00:45:34,039 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:45:34,039 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:45:34,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [703083343] [2022-07-20 00:45:34,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [703083343] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:45:34,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:45:34,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 00:45:34,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291027751] [2022-07-20 00:45:34,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:45:34,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-20 00:45:34,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:45:34,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-20 00:45:34,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-20 00:45:34,088 INFO L87 Difference]: Start difference. First operand has 8702 states, 4997 states have (on average 1.1885131078647189) internal successors, (5939), 5043 states have internal predecessors, (5939), 3584 states have call successors, (3584), 120 states have call predecessors, (3584), 119 states have return successors, (3569), 3561 states have call predecessors, (3569), 3569 states have call successors, (3569) 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) [2022-07-20 00:45:34,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:45:34,485 INFO L93 Difference]: Finished difference Result 17399 states and 26261 transitions. [2022-07-20 00:45:34,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-20 00:45:34,487 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 [2022-07-20 00:45:34,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:45:34,578 INFO L225 Difference]: With dead ends: 17399 [2022-07-20 00:45:34,578 INFO L226 Difference]: Without dead ends: 8680 [2022-07-20 00:45:34,646 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 [2022-07-20 00:45:34,650 INFO L413 NwaCegarLoop]: 13079 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, 13079 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 [2022-07-20 00:45:34,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13079 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 00:45:34,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8680 states. [2022-07-20 00:45:37,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8680 to 8680. [2022-07-20 00:45:37,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8680 states, 4992 states have (on average 1.1850961538461537) internal successors, (5916), 5021 states have internal predecessors, (5916), 3569 states have call successors, (3569), 119 states have call predecessors, (3569), 118 states have return successors, (3559), 3551 states have call predecessors, (3559), 3559 states have call successors, (3559) [2022-07-20 00:45:37,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8680 states to 8680 states and 13044 transitions. [2022-07-20 00:45:37,882 INFO L78 Accepts]: Start accepts. Automaton has 8680 states and 13044 transitions. Word has length 458 [2022-07-20 00:45:37,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:45:37,883 INFO L495 AbstractCegarLoop]: Abstraction has 8680 states and 13044 transitions. [2022-07-20 00:45:37,884 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) [2022-07-20 00:45:37,884 INFO L276 IsEmpty]: Start isEmpty. Operand 8680 states and 13044 transitions. [2022-07-20 00:45:37,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2022-07-20 00:45:37,894 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:45:37,895 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] [2022-07-20 00:45:37,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-20 00:45:38,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:45:38,112 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:45:38,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:45:38,112 INFO L85 PathProgramCache]: Analyzing trace with hash -273770679, now seen corresponding path program 1 times [2022-07-20 00:45:38,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:45:38,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [125286005] [2022-07-20 00:45:38,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:45:38,115 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:45:38,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:45:38,116 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) [2022-07-20 00:45:38,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 00:45:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:40,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 3300 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-20 00:45:40,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:45:41,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2844 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 2736 trivial. 0 not checked. [2022-07-20 00:45:41,512 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:45:41,512 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:45:41,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [125286005] [2022-07-20 00:45:41,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [125286005] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:45:41,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:45:41,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:45:41,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757405957] [2022-07-20 00:45:41,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:45:41,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:45:41,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:45:41,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:45:41,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:45:41,515 INFO L87 Difference]: Start difference. First operand 8680 states and 13044 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) [2022-07-20 00:45:44,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:45:44,344 INFO L93 Difference]: Finished difference Result 17326 states and 26059 transitions. [2022-07-20 00:45:44,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 00:45:44,346 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 [2022-07-20 00:45:44,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:45:44,409 INFO L225 Difference]: With dead ends: 17326 [2022-07-20 00:45:44,410 INFO L226 Difference]: Without dead ends: 8681 [2022-07-20 00:45:44,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 459 GetRequests, 453 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-20 00:45:44,460 INFO L413 NwaCegarLoop]: 13026 mSDtfsCounter, 6 mSDsluCounter, 52063 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 65089 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-20 00:45:44,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 65089 Invalid, 142 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-20 00:45:44,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8681 states. [2022-07-20 00:45:47,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8681 to 8681. [2022-07-20 00:45:47,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8681 states, 4993 states have (on average 1.185059082715802) internal successors, (5917), 5022 states have internal predecessors, (5917), 3569 states have call successors, (3569), 119 states have call predecessors, (3569), 118 states have return successors, (3559), 3551 states have call predecessors, (3559), 3559 states have call successors, (3559) [2022-07-20 00:45:47,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8681 states to 8681 states and 13045 transitions. [2022-07-20 00:45:47,328 INFO L78 Accepts]: Start accepts. Automaton has 8681 states and 13045 transitions. Word has length 458 [2022-07-20 00:45:47,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:45:47,331 INFO L495 AbstractCegarLoop]: Abstraction has 8681 states and 13045 transitions. [2022-07-20 00:45:47,331 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) [2022-07-20 00:45:47,331 INFO L276 IsEmpty]: Start isEmpty. Operand 8681 states and 13045 transitions. [2022-07-20 00:45:47,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2022-07-20 00:45:47,340 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:45:47,340 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] [2022-07-20 00:45:47,392 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-20 00:45:47,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:45:47,555 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:45:47,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:45:47,556 INFO L85 PathProgramCache]: Analyzing trace with hash 2004782655, now seen corresponding path program 1 times [2022-07-20 00:45:47,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:45:47,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [229786329] [2022-07-20 00:45:47,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:45:47,559 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:45:47,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:45:47,560 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) [2022-07-20 00:45:47,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 00:45:50,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:45:50,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 3443 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-20 00:45:50,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:45:51,305 INFO L134 CoverageAnalysis]: Checked inductivity of 3091 backedges. 144 proven. 1 refuted. 0 times theorem prover too weak. 2946 trivial. 0 not checked. [2022-07-20 00:45:51,305 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 00:45:54,355 INFO L134 CoverageAnalysis]: Checked inductivity of 3091 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 2970 trivial. 0 not checked. [2022-07-20 00:45:54,355 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:45:54,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [229786329] [2022-07-20 00:45:54,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [229786329] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 00:45:54,356 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 00:45:54,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-20 00:45:54,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550876367] [2022-07-20 00:45:54,356 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 00:45:54,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-20 00:45:54,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:45:54,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-20 00:45:54,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-20 00:45:54,358 INFO L87 Difference]: Start difference. First operand 8681 states and 13045 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) [2022-07-20 00:45:59,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:45:59,336 INFO L93 Difference]: Finished difference Result 17333 states and 26067 transitions. [2022-07-20 00:45:59,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 00:45:59,337 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 [2022-07-20 00:45:59,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:45:59,411 INFO L225 Difference]: With dead ends: 17333 [2022-07-20 00:45:59,411 INFO L226 Difference]: Without dead ends: 8687 [2022-07-20 00:45:59,452 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 [2022-07-20 00:45:59,454 INFO L413 NwaCegarLoop]: 13027 mSDtfsCounter, 8 mSDsluCounter, 91117 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 104144 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-20 00:45:59,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 104144 Invalid, 249 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [25 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-07-20 00:45:59,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8687 states. [2022-07-20 00:46:02,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8687 to 8687. [2022-07-20 00:46:02,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8687 states, 4997 states have (on average 1.1849109465679408) internal successors, (5921), 5026 states have internal predecessors, (5921), 3570 states have call successors, (3570), 120 states have call predecessors, (3570), 119 states have return successors, (3560), 3552 states have call predecessors, (3560), 3560 states have call successors, (3560) [2022-07-20 00:46:02,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8687 states to 8687 states and 13051 transitions. [2022-07-20 00:46:02,282 INFO L78 Accepts]: Start accepts. Automaton has 8687 states and 13051 transitions. Word has length 471 [2022-07-20 00:46:02,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:46:02,283 INFO L495 AbstractCegarLoop]: Abstraction has 8687 states and 13051 transitions. [2022-07-20 00:46:02,284 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) [2022-07-20 00:46:02,284 INFO L276 IsEmpty]: Start isEmpty. Operand 8687 states and 13051 transitions. [2022-07-20 00:46:02,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2022-07-20 00:46:02,288 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:46:02,289 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] [2022-07-20 00:46:02,351 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-20 00:46:02,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:46:02,504 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:46:02,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:46:02,504 INFO L85 PathProgramCache]: Analyzing trace with hash 990167561, now seen corresponding path program 2 times [2022-07-20 00:46:02,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:46:02,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1928987113] [2022-07-20 00:46:02,507 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 00:46:02,507 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:46:02,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:46:02,508 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) [2022-07-20 00:46:02,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-20 00:46:04,018 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-20 00:46:04,018 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 00:46:04,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 2045 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 00:46:04,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:46:04,618 INFO L134 CoverageAnalysis]: Checked inductivity of 3507 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3507 trivial. 0 not checked. [2022-07-20 00:46:04,620 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:46:04,621 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:46:04,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1928987113] [2022-07-20 00:46:04,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1928987113] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:46:04,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:46:04,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 00:46:04,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890009851] [2022-07-20 00:46:04,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:46:04,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 00:46:04,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:46:04,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 00:46:04,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 00:46:04,622 INFO L87 Difference]: Start difference. First operand 8687 states and 13051 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) [2022-07-20 00:46:06,778 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:46:07,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:46:07,486 INFO L93 Difference]: Finished difference Result 25868 states and 38881 transitions. [2022-07-20 00:46:07,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 00:46:07,487 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 [2022-07-20 00:46:07,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:46:07,599 INFO L225 Difference]: With dead ends: 25868 [2022-07-20 00:46:07,599 INFO L226 Difference]: Without dead ends: 17254 [2022-07-20 00:46:07,663 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 [2022-07-20 00:46:07,665 INFO L413 NwaCegarLoop]: 16578 mSDtfsCounter, 12866 mSDsluCounter, 13030 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12866 SdHoareTripleChecker+Valid, 29608 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 [2022-07-20 00:46:07,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12866 Valid, 29608 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-07-20 00:46:07,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17254 states. [2022-07-20 00:46:15,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17254 to 17248. [2022-07-20 00:46:15,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17248 states, 9923 states have (on average 1.1853270180388995) internal successors, (11762), 9972 states have internal predecessors, (11762), 7087 states have call successors, (7087), 238 states have call predecessors, (7087), 237 states have return successors, (7077), 7061 states have call predecessors, (7077), 7077 states have call successors, (7077) [2022-07-20 00:46:15,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17248 states to 17248 states and 25926 transitions. [2022-07-20 00:46:15,816 INFO L78 Accepts]: Start accepts. Automaton has 17248 states and 25926 transitions. Word has length 484 [2022-07-20 00:46:15,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:46:15,818 INFO L495 AbstractCegarLoop]: Abstraction has 17248 states and 25926 transitions. [2022-07-20 00:46:15,819 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) [2022-07-20 00:46:15,819 INFO L276 IsEmpty]: Start isEmpty. Operand 17248 states and 25926 transitions. [2022-07-20 00:46:15,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2022-07-20 00:46:15,823 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:46:15,823 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] [2022-07-20 00:46:15,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-20 00:46:16,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:46:16,033 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:46:16,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:46:16,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1513227909, now seen corresponding path program 1 times [2022-07-20 00:46:16,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:46:16,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1174704358] [2022-07-20 00:46:16,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:46:16,036 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:46:16,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:46:16,037 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) [2022-07-20 00:46:16,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-20 00:46:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:46:19,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 3595 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-20 00:46:19,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:46:20,397 INFO L134 CoverageAnalysis]: Checked inductivity of 3507 backedges. 204 proven. 3 refuted. 0 times theorem prover too weak. 3300 trivial. 0 not checked. [2022-07-20 00:46:20,397 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 00:46:24,609 INFO L134 CoverageAnalysis]: Checked inductivity of 3507 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 3324 trivial. 0 not checked. [2022-07-20 00:46:24,610 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 00:46:24,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1174704358] [2022-07-20 00:46:24,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1174704358] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 00:46:24,610 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 00:46:24,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-20 00:46:24,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037860242] [2022-07-20 00:46:24,610 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 00:46:24,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-20 00:46:24,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 00:46:24,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-20 00:46:24,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-20 00:46:24,612 INFO L87 Difference]: Start difference. First operand 17248 states and 25926 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) [2022-07-20 00:46:31,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:46:31,517 INFO L93 Difference]: Finished difference Result 34471 states and 51843 transitions. [2022-07-20 00:46:31,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-20 00:46:31,518 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 [2022-07-20 00:46:31,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:46:31,624 INFO L225 Difference]: With dead ends: 34471 [2022-07-20 00:46:31,624 INFO L226 Difference]: Without dead ends: 17250 [2022-07-20 00:46:31,725 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 [2022-07-20 00:46:31,726 INFO L413 NwaCegarLoop]: 13027 mSDtfsCounter, 9 mSDsluCounter, 130172 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 143199 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-07-20 00:46:31,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 143199 Invalid, 343 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [27 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-07-20 00:46:31,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17250 states. [2022-07-20 00:46:39,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17250 to 17250. [2022-07-20 00:46:39,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17250 states, 9925 states have (on average 1.1852896725440807) internal successors, (11764), 9974 states have internal predecessors, (11764), 7087 states have call successors, (7087), 238 states have call predecessors, (7087), 237 states have return successors, (7077), 7061 states have call predecessors, (7077), 7077 states have call successors, (7077) [2022-07-20 00:46:39,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17250 states to 17250 states and 25928 transitions. [2022-07-20 00:46:39,714 INFO L78 Accepts]: Start accepts. Automaton has 17250 states and 25928 transitions. Word has length 487 [2022-07-20 00:46:39,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:46:39,714 INFO L495 AbstractCegarLoop]: Abstraction has 17250 states and 25928 transitions. [2022-07-20 00:46:39,715 INFO L496 AbstractCegarLoop]: INTERPOLANT 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) [2022-07-20 00:46:39,715 INFO L276 IsEmpty]: Start isEmpty. Operand 17250 states and 25928 transitions. [2022-07-20 00:46:39,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2022-07-20 00:46:39,719 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:46:39,719 INFO L195 NwaCegarLoop]: trace histogram [39, 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] [2022-07-20 00:46:39,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-20 00:46:39,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 00:46:39,936 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:46:39,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:46:39,936 INFO L85 PathProgramCache]: Analyzing trace with hash -818921137, now seen corresponding path program 2 times [2022-07-20 00:46:39,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 00:46:39,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [100587254] [2022-07-20 00:46:39,939 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 00:46:39,939 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 00:46:39,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 00:46:39,941 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 00:46:39,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process