./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 762915d608ecb097448a47e33c85639d8aa65e1e4c75d703a75bd3458f3eb2ea --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 11:47:53,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:47:53,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:47:53,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:47:53,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:47:53,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:47:53,340 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:47:53,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:47:53,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:47:53,348 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:47:53,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:47:53,353 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:47:53,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:47:53,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:47:53,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:47:53,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:47:53,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:47:53,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:47:53,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:47:53,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:47:53,366 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:47:53,367 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:47:53,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:47:53,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:47:53,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:47:53,375 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:47:53,376 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:47:53,376 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:47:53,377 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:47:53,377 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:47:53,378 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:47:53,378 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:47:53,379 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:47:53,380 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:47:53,381 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:47:53,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:47:53,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:47:53,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:47:53,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:47:53,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:47:53,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:47:53,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:47:53,388 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 11:47:53,415 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:47:53,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:47:53,415 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:47:53,415 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:47:53,416 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:47:53,416 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:47:53,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:47:53,417 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:47:53,417 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:47:53,418 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:47:53,418 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 11:47:53,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:47:53,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:47:53,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:47:53,419 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:47:53,419 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:47:53,425 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:47:53,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:47:53,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:47:53,426 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:47:53,426 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:47:53,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:47:53,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:47:53,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:47:53,427 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:47:53,427 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 11:47:53,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 11:47:53,427 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:47:53,428 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:47:53,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:47:53,428 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 762915d608ecb097448a47e33c85639d8aa65e1e4c75d703a75bd3458f3eb2ea [2022-07-21 11:47:53,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:47:53,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:47:53,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:47:53,714 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:47:53,716 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:47:53,717 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-21 11:47:53,769 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc3916787/5a885406a32446a3b33d13875645cc8c/FLAG038014072 [2022-07-21 11:47:54,524 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:47:54,525 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-21 11:47:54,574 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc3916787/5a885406a32446a3b33d13875645cc8c/FLAG038014072 [2022-07-21 11:47:55,062 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc3916787/5a885406a32446a3b33d13875645cc8c [2022-07-21 11:47:55,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:47:55,065 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:47:55,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:47:55,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:47:55,068 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:47:55,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:47:55" (1/1) ... [2022-07-21 11:47:55,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32b9716b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:47:55, skipping insertion in model container [2022-07-21 11:47:55,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:47:55" (1/1) ... [2022-07-21 11:47:55,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:47:55,218 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:47:55,645 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3818] [2022-07-21 11:47:57,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i[445730,445743] [2022-07-21 11:47:57,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:47:57,599 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:47:57,653 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3818] [2022-07-21 11:47:58,112 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) [2022-07-21 11:47:58,120 INFO L158 Benchmark]: Toolchain (without parser) took 3053.02ms. Allocated memory was 56.6MB in the beginning and 207.6MB in the end (delta: 151.0MB). Free memory was 27.1MB in the beginning and 79.8MB in the end (delta: -52.7MB). Peak memory consumption was 95.9MB. Max. memory is 16.1GB. [2022-07-21 11:47:58,121 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 56.6MB. Free memory was 38.5MB in the beginning and 38.4MB in the end (delta: 52.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 11:47:58,122 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3051.65ms. Allocated memory was 56.6MB in the beginning and 207.6MB in the end (delta: 151.0MB). Free memory was 26.9MB in the beginning and 79.8MB in the end (delta: -52.9MB). Peak memory consumption was 95.9MB. Max. memory is 16.1GB. [2022-07-21 11:47:58,123 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 56.6MB. Free memory was 38.5MB in the beginning and 38.4MB in the end (delta: 52.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3051.65ms. Allocated memory was 56.6MB in the beginning and 207.6MB in the end (delta: 151.0MB). Free memory was 26.9MB in the beginning and 79.8MB in the end (delta: -52.9MB). Peak memory consumption was 95.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 762915d608ecb097448a47e33c85639d8aa65e1e4c75d703a75bd3458f3eb2ea --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 11:47:59,618 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:47:59,620 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:47:59,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:47:59,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:47:59,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:47:59,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:47:59,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:47:59,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:47:59,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:47:59,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:47:59,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:47:59,653 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:47:59,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:47:59,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:47:59,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:47:59,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:47:59,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:47:59,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:47:59,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:47:59,660 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:47:59,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:47:59,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:47:59,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:47:59,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:47:59,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:47:59,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:47:59,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:47:59,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:47:59,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:47:59,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:47:59,667 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:47:59,667 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:47:59,668 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:47:59,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:47:59,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:47:59,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:47:59,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:47:59,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:47:59,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:47:59,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:47:59,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:47:59,672 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 11:47:59,702 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:47:59,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:47:59,703 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:47:59,703 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:47:59,704 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:47:59,704 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:47:59,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:47:59,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:47:59,705 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:47:59,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:47:59,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:47:59,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:47:59,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:47:59,706 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:47:59,707 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 11:47:59,707 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 11:47:59,707 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 11:47:59,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:47:59,707 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:47:59,707 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:47:59,707 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:47:59,708 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:47:59,708 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:47:59,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:47:59,708 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:47:59,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:47:59,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:47:59,708 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 11:47:59,709 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 11:47:59,709 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:47:59,709 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:47:59,709 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:47:59,709 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 11:47:59,709 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 762915d608ecb097448a47e33c85639d8aa65e1e4c75d703a75bd3458f3eb2ea [2022-07-21 11:47:59,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:48:00,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:48:00,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:48:00,026 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:48:00,032 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:48:00,033 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-21 11:48:00,089 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69e9f1a85/f5311cabd9bb4b368f0d6d54b820ba5f/FLAGa11c9db20 [2022-07-21 11:48:00,732 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:48:00,732 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-21 11:48:00,771 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69e9f1a85/f5311cabd9bb4b368f0d6d54b820ba5f/FLAGa11c9db20 [2022-07-21 11:48:00,828 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69e9f1a85/f5311cabd9bb4b368f0d6d54b820ba5f [2022-07-21 11:48:00,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:48:00,832 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:48:00,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:48:00,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:48:00,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:48:00,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:48:00" (1/1) ... [2022-07-21 11:48:00,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3faf04e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:48:00, skipping insertion in model container [2022-07-21 11:48:00,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:48:00" (1/1) ... [2022-07-21 11:48:00,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:48:00,956 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:48:01,397 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3818] [2022-07-21 11:48:03,126 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i[445730,445743] [2022-07-21 11:48:03,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:48:03,276 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 11:48:03,385 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:48:03,429 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3818] [2022-07-21 11:48:03,764 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i[445730,445743] [2022-07-21 11:48:03,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:48:03,794 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:48:03,844 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3818] [2022-07-21 11:48:04,211 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i[445730,445743] [2022-07-21 11:48:04,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:48:04,351 INFO L208 MainTranslator]: Completed translation [2022-07-21 11:48:04,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:48:04 WrapperNode [2022-07-21 11:48:04,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 11:48:04,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 11:48:04,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 11:48:04,353 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 11:48:04,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:48:04" (1/1) ... [2022-07-21 11:48:04,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:48:04" (1/1) ... [2022-07-21 11:48:04,686 INFO L137 Inliner]: procedures = 322, calls = 6141, calls flagged for inlining = 114, calls inlined = 111, statements flattened = 13824 [2022-07-21 11:48:04,686 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 11:48:04,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 11:48:04,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 11:48:04,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 11:48:04,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:48:04" (1/1) ... [2022-07-21 11:48:04,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:48:04" (1/1) ... [2022-07-21 11:48:04,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:48:04" (1/1) ... [2022-07-21 11:48:04,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:48:04" (1/1) ... [2022-07-21 11:48:04,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:48:04" (1/1) ... [2022-07-21 11:48:04,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:48:04" (1/1) ... [2022-07-21 11:48:04,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:48:04" (1/1) ... [2022-07-21 11:48:05,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 11:48:05,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 11:48:05,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 11:48:05,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 11:48:05,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:48:04" (1/1) ... [2022-07-21 11:48:05,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:48:05,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:48:05,033 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 11:48:05,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 11:48:05,069 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-21 11:48:05,069 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-21 11:48:05,069 INFO L130 BoogieDeclarations]: Found specification of procedure to_sd [2022-07-21 11:48:05,069 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sd [2022-07-21 11:48:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_tuner [2022-07-21 11:48:05,070 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_tuner [2022-07-21 11:48:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 11:48:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 11:48:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ctrl [2022-07-21 11:48:05,070 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ctrl [2022-07-21 11:48:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 11:48:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_s_parameters [2022-07-21 11:48:05,070 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_s_parameters [2022-07-21 11:48:05,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 11:48:05,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 11:48:05,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 11:48:05,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 11:48:05,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 11:48:05,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 11:48:05,071 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 11:48:05,071 INFO L130 BoogieDeclarations]: Found specification of procedure input_change [2022-07-21 11:48:05,071 INFO L138 BoogieDeclarations]: Found implementation of procedure input_change [2022-07-21 11:48:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_g_parameters [2022-07-21 11:48:05,072 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_g_parameters [2022-07-21 11:48:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_querymenu [2022-07-21 11:48:05,072 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_querymenu [2022-07-21 11:48:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-21 11:48:05,073 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-21 11:48:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_probe [2022-07-21 11:48:05,073 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_probe [2022-07-21 11:48:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 11:48:05,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 11:48:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-21 11:48:05,073 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-21 11:48:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_shutdown [2022-07-21 11:48:05,073 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_shutdown [2022-07-21 11:48:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2388x [2022-07-21 11:48:05,074 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2388x [2022-07-21 11:48:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_tuner [2022-07-21 11:48:05,074 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_tuner [2022-07-21 11:48:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2583x [2022-07-21 11:48:05,074 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2583x [2022-07-21 11:48:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 11:48:05,075 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 11:48:05,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 11:48:05,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 11:48:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure to_ir_state [2022-07-21 11:48:05,076 INFO L138 BoogieDeclarations]: Found implementation of procedure to_ir_state [2022-07-21 11:48:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_enable [2022-07-21 11:48:05,077 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_enable [2022-07-21 11:48:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-07-21 11:48:05,077 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-07-21 11:48:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_ns [2022-07-21 11:48:05,077 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_ns [2022-07-21 11:48:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-21 11:48:05,077 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-21 11:48:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 11:48:05,078 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 11:48:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 11:48:05,078 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 11:48:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_freq_to_clock_divider [2022-07-21 11:48:05,078 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_freq_to_clock_divider [2022-07-21 11:48:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_demodulation_enable [2022-07-21 11:48:05,078 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_demodulation_enable [2022-07-21 11:48:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 11:48:05,079 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 11:48:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_work_handler [2022-07-21 11:48:05,079 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_work_handler [2022-07-21 11:48:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 11:48:05,080 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 11:48:05,080 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 11:48:05,080 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write [2022-07-21 11:48:05,080 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write [2022-07-21 11:48:05,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 11:48:05,080 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2022-07-21 11:48:05,080 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2022-07-21 11:48:05,080 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2022-07-21 11:48:05,080 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2022-07-21 11:48:05,080 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2022-07-21 11:48:05,081 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2022-07-21 11:48:05,081 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 11:48:05,081 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 11:48:05,081 INFO L130 BoogieDeclarations]: Found specification of procedure set_volume [2022-07-21 11:48:05,081 INFO L138 BoogieDeclarations]: Found implementation of procedure set_volume [2022-07-21 11:48:05,082 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_sliced_fmt [2022-07-21 11:48:05,082 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_sliced_fmt [2022-07-21 11:48:05,082 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_initialize [2022-07-21 11:48:05,082 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_initialize [2022-07-21 11:48:05,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 11:48:05,083 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ext_ctrls [2022-07-21 11:48:05,083 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ext_ctrls [2022-07-21 11:48:05,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 11:48:05,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 11:48:05,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 11:48:05,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 11:48:05,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 11:48:05,084 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_notify [2022-07-21 11:48:05,084 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_notify [2022-07-21 11:48:05,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 11:48:05,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 11:48:05,084 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-21 11:48:05,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-21 11:48:05,085 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-21 11:48:05,085 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-21 11:48:05,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-21 11:48:05,085 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-21 11:48:05,085 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-21 11:48:05,086 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-21 11:48:05,086 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-21 11:48:05,088 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-21 11:48:05,088 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2022-07-21 11:48:05,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2022-07-21 11:48:05,088 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_resolution [2022-07-21 11:48:05,089 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_resolution [2022-07-21 11:48:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-21 11:48:05,090 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-21 11:48:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_try_ext_ctrls [2022-07-21 11:48:05,090 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_try_ext_ctrls [2022-07-21 11:48:05,094 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-21 11:48:05,095 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-21 11:48:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-21 11:48:05,095 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-21 11:48:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure cx25836_initialize [2022-07-21 11:48:05,095 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25836_initialize [2022-07-21 11:48:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write4 [2022-07-21 11:48:05,095 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write4 [2022-07-21 11:48:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ext_ctrls [2022-07-21 11:48:05,095 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ext_ctrls [2022-07-21 11:48:05,096 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_frequency [2022-07-21 11:48:05,096 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_frequency [2022-07-21 11:48:05,096 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_std_setup [2022-07-21 11:48:05,096 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_std_setup [2022-07-21 11:48:05,096 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_tx [2022-07-21 11:48:05,096 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_tx [2022-07-21 11:48:05,096 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-07-21 11:48:05,096 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-07-21 11:48:05,096 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_queryctrl [2022-07-21 11:48:05,096 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_queryctrl [2022-07-21 11:48:05,096 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_modulation_enable [2022-07-21 11:48:05,097 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_modulation_enable [2022-07-21 11:48:05,097 INFO L130 BoogieDeclarations]: Found specification of procedure cx23885_initialize [2022-07-21 11:48:05,097 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23885_initialize [2022-07-21 11:48:05,097 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_raw_fmt [2022-07-21 11:48:05,097 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_raw_fmt [2022-07-21 11:48:05,097 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_freq [2022-07-21 11:48:05,097 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_freq [2022-07-21 11:48:05,097 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_std [2022-07-21 11:48:05,097 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_std [2022-07-21 11:48:05,097 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or [2022-07-21 11:48:05,098 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or [2022-07-21 11:48:05,098 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ctrl [2022-07-21 11:48:05,098 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ctrl [2022-07-21 11:48:05,098 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_s_parameters [2022-07-21 11:48:05,098 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_s_parameters [2022-07-21 11:48:05,098 INFO L130 BoogieDeclarations]: Found specification of procedure to_state [2022-07-21 11:48:05,098 INFO L138 BoogieDeclarations]: Found implementation of procedure to_state [2022-07-21 11:48:05,098 INFO L130 BoogieDeclarations]: Found specification of procedure set_audclk_freq [2022-07-21 11:48:05,098 INFO L138 BoogieDeclarations]: Found implementation of procedure set_audclk_freq [2022-07-21 11:48:05,098 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_register [2022-07-21 11:48:05,099 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_register [2022-07-21 11:48:05,099 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_register [2022-07-21 11:48:05,099 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_register [2022-07-21 11:48:05,099 INFO L130 BoogieDeclarations]: Found specification of procedure set_input [2022-07-21 11:48:05,099 INFO L138 BoogieDeclarations]: Found implementation of procedure set_input [2022-07-21 11:48:05,099 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_g_parameters [2022-07-21 11:48:05,099 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_g_parameters [2022-07-21 11:48:05,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 11:48:05,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 11:48:05,099 INFO L130 BoogieDeclarations]: Found specification of procedure cx23888_std_setup [2022-07-21 11:48:05,100 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23888_std_setup [2022-07-21 11:48:05,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 11:48:05,100 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_initialize [2022-07-21 11:48:05,100 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_initialize [2022-07-21 11:48:05,100 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-21 11:48:05,100 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-21 11:48:05,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 11:48:05,100 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-21 11:48:05,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-21 11:48:05,100 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_rx [2022-07-21 11:48:05,100 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_rx [2022-07-21 11:48:05,101 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or4 [2022-07-21 11:48:05,101 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or4 [2022-07-21 11:48:05,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-21 11:48:05,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-21 11:48:05,101 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_input_status [2022-07-21 11:48:05,101 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_input_status [2022-07-21 11:48:05,101 INFO L130 BoogieDeclarations]: Found specification of procedure lpf_count_to_ns [2022-07-21 11:48:05,101 INFO L138 BoogieDeclarations]: Found implementation of procedure lpf_count_to_ns [2022-07-21 11:48:05,101 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_set_audclk_freq [2022-07-21 11:48:05,101 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_set_audclk_freq [2022-07-21 11:48:05,102 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read [2022-07-21 11:48:05,102 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read [2022-07-21 11:48:05,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 11:48:05,102 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_us [2022-07-21 11:48:05,102 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_us [2022-07-21 11:48:05,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-21 11:48:05,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-21 11:48:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 11:48:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 11:48:05,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 11:48:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 11:48:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 11:48:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_sliced_fmt [2022-07-21 11:48:05,103 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_sliced_fmt [2022-07-21 11:48:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2022-07-21 11:48:05,103 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2022-07-21 11:48:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 11:48:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 11:48:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2022-07-21 11:48:05,104 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2022-07-21 11:48:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 11:48:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure get_fw_name [2022-07-21 11:48:05,104 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fw_name [2022-07-21 11:48:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_decode_vbi_line [2022-07-21 11:48:05,104 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_decode_vbi_line [2022-07-21 11:48:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_adapter_id [2022-07-21 11:48:05,104 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_adapter_id [2022-07-21 11:48:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_carrier_freq [2022-07-21 11:48:05,105 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_carrier_freq [2022-07-21 11:48:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_clocks_to_clock_divider [2022-07-21 11:48:05,105 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_clocks_to_clock_divider [2022-07-21 11:48:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx231xx [2022-07-21 11:48:05,105 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx231xx [2022-07-21 11:48:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2022-07-21 11:48:05,105 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2022-07-21 11:48:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_s_edge_detection [2022-07-21 11:48:05,105 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_s_edge_detection [2022-07-21 11:48:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-07-21 11:48:05,106 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-07-21 11:48:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_probe [2022-07-21 11:48:05,106 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_probe [2022-07-21 11:48:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-21 11:48:05,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-21 11:48:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-21 11:48:05,106 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-21 11:48:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read4 [2022-07-21 11:48:05,109 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read4 [2022-07-21 11:48:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure odd_parity [2022-07-21 11:48:05,110 INFO L138 BoogieDeclarations]: Found implementation of procedure odd_parity [2022-07-21 11:48:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_enable [2022-07-21 11:48:05,110 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_enable [2022-07-21 11:48:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-21 11:48:05,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-21 11:48:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure filter_rx_s_min_width [2022-07-21 11:48:05,110 INFO L138 BoogieDeclarations]: Found implementation of procedure filter_rx_s_min_width [2022-07-21 11:48:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 11:48:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_shutdown [2022-07-21 11:48:05,111 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_shutdown [2022-07-21 11:48:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-21 11:48:05,112 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-21 11:48:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-21 11:48:05,112 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-21 11:48:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23885 [2022-07-21 11:48:05,112 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23885 [2022-07-21 11:48:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 11:48:05,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 11:48:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_pulse_clocks [2022-07-21 11:48:05,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_pulse_clocks [2022-07-21 11:48:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23888 [2022-07-21 11:48:05,112 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23888 [2022-07-21 11:48:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23887 [2022-07-21 11:48:05,113 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23887 [2022-07-21 11:48:06,268 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 11:48:06,270 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 11:48:10,076 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 11:50:52,170 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 11:50:52,206 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 11:50:52,206 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 11:50:52,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:50:52 BoogieIcfgContainer [2022-07-21 11:50:52,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 11:50:52,218 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 11:50:52,218 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 11:50:52,220 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 11:50:52,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:48:00" (1/3) ... [2022-07-21 11:50:52,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33b7fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:50:52, skipping insertion in model container [2022-07-21 11:50:52,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:48:04" (2/3) ... [2022-07-21 11:50:52,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33b7fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:50:52, skipping insertion in model container [2022-07-21 11:50:52,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:50:52" (3/3) ... [2022-07-21 11:50:52,223 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--media--i2c--cx25840--cx25840.ko-entry_point.cil.out.i [2022-07-21 11:50:52,233 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 11:50:52,233 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 11:50:52,397 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 11:50:52,401 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@c4f47bb, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@42a98dc [2022-07-21 11:50:52,401 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 11:50:52,422 INFO L276 IsEmpty]: Start isEmpty. Operand has 8650 states, 4970 states have (on average 1.1877263581488933) internal successors, (5903), 5007 states have internal predecessors, (5903), 3563 states have call successors, (3563), 116 states have call predecessors, (3563), 115 states have return successors, (3548), 3540 states have call predecessors, (3548), 3548 states have call successors, (3548) [2022-07-21 11:50:52,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2022-07-21 11:50:52,443 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:50:52,444 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] [2022-07-21 11:50:52,444 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:50:52,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:50:52,448 INFO L85 PathProgramCache]: Analyzing trace with hash 2043482198, now seen corresponding path program 1 times [2022-07-21 11:50:52,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:50:52,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1238288599] [2022-07-21 11:50:52,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:50:52,463 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:50:52,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:50:52,466 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:50:52,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 11:50:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:50:54,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 3295 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-21 11:50:54,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:50:54,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2844 backedges. 513 proven. 0 refuted. 0 times theorem prover too weak. 2331 trivial. 0 not checked. [2022-07-21 11:50:54,584 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:50:54,585 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:50:54,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1238288599] [2022-07-21 11:50:54,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1238288599] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:50:54,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:50:54,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 11:50:54,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500843031] [2022-07-21 11:50:54,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:50:54,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 11:50:54,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:50:54,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 11:50:54,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 11:50:54,633 INFO L87 Difference]: Start difference. First operand has 8650 states, 4970 states have (on average 1.1877263581488933) internal successors, (5903), 5007 states have internal predecessors, (5903), 3563 states have call successors, (3563), 116 states have call predecessors, (3563), 115 states have return successors, (3548), 3540 states have call predecessors, (3548), 3548 states have call successors, (3548) Second operand has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-21 11:50:54,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:50:54,978 INFO L93 Difference]: Finished difference Result 17295 states and 26077 transitions. [2022-07-21 11:50:54,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 11:50:54,980 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 [2022-07-21 11:50:54,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:50:55,048 INFO L225 Difference]: With dead ends: 17295 [2022-07-21 11:50:55,049 INFO L226 Difference]: Without dead ends: 8628 [2022-07-21 11:50:55,109 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 [2022-07-21 11:50:55,111 INFO L413 NwaCegarLoop]: 13010 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13010 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:50:55,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13010 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 11:50:55,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8628 states. [2022-07-21 11:50:57,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8628 to 8628. [2022-07-21 11:50:57,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8628 states, 4965 states have (on average 1.1842900302114803) internal successors, (5880), 4985 states have internal predecessors, (5880), 3548 states have call successors, (3548), 115 states have call predecessors, (3548), 114 states have return successors, (3547), 3539 states have call predecessors, (3547), 3547 states have call successors, (3547) [2022-07-21 11:50:58,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8628 states to 8628 states and 12975 transitions. [2022-07-21 11:50:58,020 INFO L78 Accepts]: Start accepts. Automaton has 8628 states and 12975 transitions. Word has length 458 [2022-07-21 11:50:58,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:50:58,022 INFO L495 AbstractCegarLoop]: Abstraction has 8628 states and 12975 transitions. [2022-07-21 11:50:58,022 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) [2022-07-21 11:50:58,023 INFO L276 IsEmpty]: Start isEmpty. Operand 8628 states and 12975 transitions. [2022-07-21 11:50:58,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2022-07-21 11:50:58,034 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:50:58,034 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] [2022-07-21 11:50:58,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 11:50:58,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:50:58,248 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:50:58,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:50:58,248 INFO L85 PathProgramCache]: Analyzing trace with hash 739151226, now seen corresponding path program 1 times [2022-07-21 11:50:58,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:50:58,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1026552469] [2022-07-21 11:50:58,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:50:58,251 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:50:58,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:50:58,253 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:50:58,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 11:51:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:51:00,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 3295 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 11:51:00,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:51:00,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2844 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 2736 trivial. 0 not checked. [2022-07-21 11:51:00,982 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:51:00,982 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:51:00,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1026552469] [2022-07-21 11:51:00,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1026552469] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:51:00,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:51:00,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 11:51:00,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132421497] [2022-07-21 11:51:00,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:51:00,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 11:51:00,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:51:00,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 11:51:00,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:51:00,985 INFO L87 Difference]: Start difference. First operand 8628 states and 12975 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-21 11:51:03,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:51:03,591 INFO L93 Difference]: Finished difference Result 17222 states and 25921 transitions. [2022-07-21 11:51:03,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 11:51:03,592 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 [2022-07-21 11:51:03,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:51:03,656 INFO L225 Difference]: With dead ends: 17222 [2022-07-21 11:51:03,656 INFO L226 Difference]: Without dead ends: 8629 [2022-07-21 11:51:03,768 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 [2022-07-21 11:51:03,769 INFO L413 NwaCegarLoop]: 12957 mSDtfsCounter, 6 mSDsluCounter, 51787 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 64744 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-21 11:51:03,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 64744 Invalid, 142 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-21 11:51:03,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8629 states. [2022-07-21 11:51:06,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8629 to 8629. [2022-07-21 11:51:06,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8629 states, 4966 states have (on average 1.184252919855014) internal successors, (5881), 4986 states have internal predecessors, (5881), 3548 states have call successors, (3548), 115 states have call predecessors, (3548), 114 states have return successors, (3547), 3539 states have call predecessors, (3547), 3547 states have call successors, (3547) [2022-07-21 11:51:06,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8629 states to 8629 states and 12976 transitions. [2022-07-21 11:51:06,304 INFO L78 Accepts]: Start accepts. Automaton has 8629 states and 12976 transitions. Word has length 458 [2022-07-21 11:51:06,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:51:06,307 INFO L495 AbstractCegarLoop]: Abstraction has 8629 states and 12976 transitions. [2022-07-21 11:51:06,307 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) [2022-07-21 11:51:06,307 INFO L276 IsEmpty]: Start isEmpty. Operand 8629 states and 12976 transitions. [2022-07-21 11:51:06,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2022-07-21 11:51:06,313 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:51:06,314 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] [2022-07-21 11:51:06,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 11:51:06,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:51:06,526 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:51:06,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:51:06,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1444156937, now seen corresponding path program 1 times [2022-07-21 11:51:06,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:51:06,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2140567387] [2022-07-21 11:51:06,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:51:06,529 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:51:06,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:51:06,530 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:51:06,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 11:51:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:51:08,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 3438 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-21 11:51:08,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:51:09,460 INFO L134 CoverageAnalysis]: Checked inductivity of 3091 backedges. 144 proven. 1 refuted. 0 times theorem prover too weak. 2946 trivial. 0 not checked. [2022-07-21 11:51:09,461 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 11:51:12,318 INFO L134 CoverageAnalysis]: Checked inductivity of 3091 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 2970 trivial. 0 not checked. [2022-07-21 11:51:12,318 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:51:12,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2140567387] [2022-07-21 11:51:12,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2140567387] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 11:51:12,319 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 11:51:12,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-21 11:51:12,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694756621] [2022-07-21 11:51:12,319 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 11:51:12,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 11:51:12,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:51:12,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 11:51:12,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-21 11:51:12,321 INFO L87 Difference]: Start difference. First operand 8629 states and 12976 transitions. Second operand has 11 states, 9 states have (on average 10.333333333333334) internal successors, (93), 11 states have internal predecessors, (93), 4 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (50), 4 states have call predecessors, (50), 4 states have call successors, (50) [2022-07-21 11:51:15,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:51:15,970 INFO L93 Difference]: Finished difference Result 17229 states and 25929 transitions. [2022-07-21 11:51:15,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 11:51:15,971 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 [2022-07-21 11:51:15,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:51:16,040 INFO L225 Difference]: With dead ends: 17229 [2022-07-21 11:51:16,040 INFO L226 Difference]: Without dead ends: 8635 [2022-07-21 11:51:16,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 943 GetRequests, 931 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-07-21 11:51:16,080 INFO L413 NwaCegarLoop]: 12958 mSDtfsCounter, 10 mSDsluCounter, 64744 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 77702 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-21 11:51:16,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 77702 Invalid, 200 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [29 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-21 11:51:16,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8635 states. [2022-07-21 11:51:18,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8635 to 8635. [2022-07-21 11:51:18,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8635 states, 4970 states have (on average 1.1841046277665996) internal successors, (5885), 4990 states have internal predecessors, (5885), 3549 states have call successors, (3549), 116 states have call predecessors, (3549), 115 states have return successors, (3548), 3540 states have call predecessors, (3548), 3548 states have call successors, (3548) [2022-07-21 11:51:18,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8635 states to 8635 states and 12982 transitions. [2022-07-21 11:51:18,771 INFO L78 Accepts]: Start accepts. Automaton has 8635 states and 12982 transitions. Word has length 471 [2022-07-21 11:51:18,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:51:18,773 INFO L495 AbstractCegarLoop]: Abstraction has 8635 states and 12982 transitions. [2022-07-21 11:51:18,773 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) [2022-07-21 11:51:18,773 INFO L276 IsEmpty]: Start isEmpty. Operand 8635 states and 12982 transitions. [2022-07-21 11:51:18,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2022-07-21 11:51:18,777 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:51:18,777 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] [2022-07-21 11:51:18,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 11:51:18,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:51:18,992 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:51:18,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:51:18,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1704583322, now seen corresponding path program 2 times [2022-07-21 11:51:18,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:51:18,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1709793656] [2022-07-21 11:51:18,994 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 11:51:18,994 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:51:18,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:51:18,995 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:51:18,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 11:51:20,464 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 11:51:20,464 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 11:51:20,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 2040 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 11:51:20,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:51:21,060 INFO L134 CoverageAnalysis]: Checked inductivity of 3507 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3507 trivial. 0 not checked. [2022-07-21 11:51:21,060 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:51:21,061 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:51:21,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1709793656] [2022-07-21 11:51:21,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1709793656] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:51:21,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:51:21,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 11:51:21,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172227535] [2022-07-21 11:51:21,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:51:21,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:51:21,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:51:21,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:51:21,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:51:21,062 INFO L87 Difference]: Start difference. First operand 8635 states and 12982 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2022-07-21 11:51:23,228 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:51:23,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:51:23,825 INFO L93 Difference]: Finished difference Result 25720 states and 38688 transitions. [2022-07-21 11:51:23,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:51:23,826 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 [2022-07-21 11:51:23,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:51:23,921 INFO L225 Difference]: With dead ends: 25720 [2022-07-21 11:51:23,922 INFO L226 Difference]: Without dead ends: 17158 [2022-07-21 11:51:23,975 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 [2022-07-21 11:51:23,976 INFO L413 NwaCegarLoop]: 16496 mSDtfsCounter, 12811 mSDsluCounter, 12961 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12811 SdHoareTripleChecker+Valid, 29457 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-21 11:51:23,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12811 Valid, 29457 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-07-21 11:51:24,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17158 states. [2022-07-21 11:51:31,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17158 to 17158. [2022-07-21 11:51:31,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17158 states, 9874 states have (on average 1.1849301195057726) internal successors, (11700), 9914 states have internal predecessors, (11700), 7054 states have call successors, (7054), 230 states have call predecessors, (7054), 229 states have return successors, (7053), 7037 states have call predecessors, (7053), 7053 states have call successors, (7053) [2022-07-21 11:51:31,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17158 states to 17158 states and 25807 transitions. [2022-07-21 11:51:31,377 INFO L78 Accepts]: Start accepts. Automaton has 17158 states and 25807 transitions. Word has length 484 [2022-07-21 11:51:31,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:51:31,379 INFO L495 AbstractCegarLoop]: Abstraction has 17158 states and 25807 transitions. [2022-07-21 11:51:31,379 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) [2022-07-21 11:51:31,379 INFO L276 IsEmpty]: Start isEmpty. Operand 17158 states and 25807 transitions. [2022-07-21 11:51:31,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2022-07-21 11:51:31,383 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:51:31,383 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] [2022-07-21 11:51:31,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 11:51:31,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:51:31,608 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:51:31,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:51:31,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1122531750, now seen corresponding path program 1 times [2022-07-21 11:51:31,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:51:31,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [185648772] [2022-07-21 11:51:31,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:51:31,611 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:51:31,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:51:31,612 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) [2022-07-21 11:51:31,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 11:51:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:51:33,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 3590 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 11:51:33,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:51:34,884 INFO L134 CoverageAnalysis]: Checked inductivity of 3507 backedges. 204 proven. 3 refuted. 0 times theorem prover too weak. 3300 trivial. 0 not checked. [2022-07-21 11:51:34,885 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 11:51:38,482 INFO L134 CoverageAnalysis]: Checked inductivity of 3507 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 3324 trivial. 0 not checked. [2022-07-21 11:51:38,482 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:51:38,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [185648772] [2022-07-21 11:51:38,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [185648772] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 11:51:38,482 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 11:51:38,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-21 11:51:38,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305544183] [2022-07-21 11:51:38,483 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 11:51:38,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-21 11:51:38,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:51:38,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-21 11:51:38,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-21 11:51:38,484 INFO L87 Difference]: Start difference. First operand 17158 states and 25807 transitions. Second operand has 13 states, 11 states have (on average 8.909090909090908) internal successors, (98), 13 states have internal predecessors, (98), 4 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (50), 4 states have call predecessors, (50), 4 states have call successors, (50) [2022-07-21 11:51:43,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:51:43,089 INFO L93 Difference]: Finished difference Result 34291 states and 51605 transitions. [2022-07-21 11:51:43,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 11:51:43,090 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 [2022-07-21 11:51:43,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:51:43,182 INFO L225 Difference]: With dead ends: 34291 [2022-07-21 11:51:43,182 INFO L226 Difference]: Without dead ends: 17160 [2022-07-21 11:51:43,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 975 GetRequests, 961 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2022-07-21 11:51:43,263 INFO L413 NwaCegarLoop]: 12958 mSDtfsCounter, 13 mSDsluCounter, 90653 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 103611 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-21 11:51:43,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 103611 Invalid, 259 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [35 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-07-21 11:51:43,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17160 states. [2022-07-21 11:51:50,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17160 to 17160. [2022-07-21 11:51:50,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17160 states, 9876 states have (on average 1.1848926690968002) internal successors, (11702), 9916 states have internal predecessors, (11702), 7054 states have call successors, (7054), 230 states have call predecessors, (7054), 229 states have return successors, (7053), 7037 states have call predecessors, (7053), 7053 states have call successors, (7053) [2022-07-21 11:51:50,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17160 states to 17160 states and 25809 transitions. [2022-07-21 11:51:50,907 INFO L78 Accepts]: Start accepts. Automaton has 17160 states and 25809 transitions. Word has length 487 [2022-07-21 11:51:50,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:51:50,907 INFO L495 AbstractCegarLoop]: Abstraction has 17160 states and 25809 transitions. [2022-07-21 11:51:50,907 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) [2022-07-21 11:51:50,908 INFO L276 IsEmpty]: Start isEmpty. Operand 17160 states and 25809 transitions. [2022-07-21 11:51:50,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2022-07-21 11:51:50,911 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:51:50,911 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] [2022-07-21 11:51:50,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 11:51:51,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:51:51,128 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:51:51,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:51:51,128 INFO L85 PathProgramCache]: Analyzing trace with hash -788487683, now seen corresponding path program 2 times [2022-07-21 11:51:51,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:51:51,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1043707458] [2022-07-21 11:51:51,130 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 11:51:51,130 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:51:51,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:51:51,132 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) [2022-07-21 11:51:51,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 11:51:52,760 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 11:51:52,760 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 11:51:52,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 2049 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 11:51:52,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:52:06,560 INFO L134 CoverageAnalysis]: Checked inductivity of 4092 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4092 trivial. 0 not checked. [2022-07-21 11:52:06,561 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:52:06,561 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:52:06,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1043707458] [2022-07-21 11:52:06,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1043707458] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:52:06,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:52:06,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 11:52:06,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979667808] [2022-07-21 11:52:06,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:52:06,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:52:06,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:52:06,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:52:06,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:52:06,562 INFO L87 Difference]: Start difference. First operand 17160 states and 25809 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 2 states have internal predecessors, (76), 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) [2022-07-21 11:52:06,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:52:06,778 INFO L93 Difference]: Finished difference Result 17160 states and 25809 transitions. [2022-07-21 11:52:06,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:52:06,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 2 states have internal predecessors, (76), 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 500 [2022-07-21 11:52:06,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:52:06,780 INFO L225 Difference]: With dead ends: 17160 [2022-07-21 11:52:06,780 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 11:52:06,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 498 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:52:06,927 INFO L413 NwaCegarLoop]: 12972 mSDtfsCounter, 12830 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12830 SdHoareTripleChecker+Valid, 12972 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 [2022-07-21 11:52:06,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12830 Valid, 12972 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 11:52:06,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 11:52:06,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 11:52:06,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 11:52:06,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 11:52:06,934 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 500 [2022-07-21 11:52:06,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:52:06,934 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 11:52:06,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 2 states have internal predecessors, (76), 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) [2022-07-21 11:52:06,934 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 11:52:06,934 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 11:52:06,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 11:52:06,966 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 11:52:07,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:52:07,157 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.