./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_newdeg_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/32_7a_newdeg_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.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 924a6955b6ce3440b57760793c2baba08166e0c083aedead61a1cd1c863c6081 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 23:18:05,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:18:05,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:18:05,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:18:05,046 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:18:05,047 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:18:05,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:18:05,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:18:05,050 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:18:05,051 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:18:05,051 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:18:05,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:18:05,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:18:05,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:18:05,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:18:05,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:18:05,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:18:05,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:18:05,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:18:05,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:18:05,059 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:18:05,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:18:05,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:18:05,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:18:05,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:18:05,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:18:05,064 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:18:05,064 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:18:05,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:18:05,065 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:18:05,066 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:18:05,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:18:05,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:18:05,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:18:05,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:18:05,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:18:05,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:18:05,069 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:18:05,069 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:18:05,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:18:05,070 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:18:05,071 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:18:05,072 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-19 23:18:05,085 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:18:05,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:18:05,086 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:18:05,086 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:18:05,087 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:18:05,087 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:18:05,087 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:18:05,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:18:05,088 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:18:05,088 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:18:05,088 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 23:18:05,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:18:05,089 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:18:05,089 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:18:05,089 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:18:05,089 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:18:05,089 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:18:05,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:18:05,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:18:05,090 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:18:05,090 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:18:05,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:18:05,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:18:05,091 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:18:05,091 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:18:05,091 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 23:18:05,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 23:18:05,092 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:18:05,092 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:18:05,092 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:18:05,092 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 924a6955b6ce3440b57760793c2baba08166e0c083aedead61a1cd1c863c6081 [2022-07-19 23:18:05,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:18:05,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:18:05,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:18:05,301 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:18:05,302 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:18:05,304 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_newdeg_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i [2022-07-19 23:18:05,347 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8eff3f7a9/3bf4cc5eda454e648ce6c8789f3cb8aa/FLAGbf8bf4271 [2022-07-19 23:18:06,168 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:18:06,169 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_newdeg_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i [2022-07-19 23:18:06,206 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8eff3f7a9/3bf4cc5eda454e648ce6c8789f3cb8aa/FLAGbf8bf4271 [2022-07-19 23:18:06,465 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8eff3f7a9/3bf4cc5eda454e648ce6c8789f3cb8aa [2022-07-19 23:18:06,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:18:06,469 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:18:06,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:18:06,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:18:06,473 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:18:06,474 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:18:06" (1/1) ... [2022-07-19 23:18:06,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd54f23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:18:06, skipping insertion in model container [2022-07-19 23:18:06,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:18:06" (1/1) ... [2022-07-19 23:18:06,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:18:06,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:18:08,161 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_newdeg_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i[393849,393862] [2022-07-19 23:18:08,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:18:08,406 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:18:08,654 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: mode = (unsigned int )mode & 223U [10267] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) 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) [2022-07-19 23:18:08,659 INFO L158 Benchmark]: Toolchain (without parser) took 2189.12ms. Allocated memory was 96.5MB in the beginning and 182.5MB in the end (delta: 86.0MB). Free memory was 60.4MB in the beginning and 79.7MB in the end (delta: -19.3MB). Peak memory consumption was 86.6MB. Max. memory is 16.1GB. [2022-07-19 23:18:08,660 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 96.5MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 23:18:08,662 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2186.69ms. Allocated memory was 96.5MB in the beginning and 182.5MB in the end (delta: 86.0MB). Free memory was 60.1MB in the beginning and 79.7MB in the end (delta: -19.7MB). Peak memory consumption was 86.6MB. Max. memory is 16.1GB. [2022-07-19 23:18:08,663 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 96.5MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2186.69ms. Allocated memory was 96.5MB in the beginning and 182.5MB in the end (delta: 86.0MB). Free memory was 60.1MB in the beginning and 79.7MB in the end (delta: -19.7MB). Peak memory consumption was 86.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: mode = (unsigned int )mode & 223U [10267] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: mode = (unsigned int )mode & 223U [10267]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/32_7a_newdeg_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.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 924a6955b6ce3440b57760793c2baba08166e0c083aedead61a1cd1c863c6081 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 23:18:10,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:18:10,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:18:10,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:18:10,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:18:10,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:18:10,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:18:10,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:18:10,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:18:10,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:18:10,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:18:10,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:18:10,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:18:10,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:18:10,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:18:10,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:18:10,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:18:10,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:18:10,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:18:10,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:18:10,453 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:18:10,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:18:10,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:18:10,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:18:10,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:18:10,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:18:10,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:18:10,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:18:10,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:18:10,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:18:10,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:18:10,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:18:10,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:18:10,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:18:10,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:18:10,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:18:10,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:18:10,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:18:10,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:18:10,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:18:10,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:18:10,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:18:10,473 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-19 23:18:10,496 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:18:10,496 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:18:10,496 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:18:10,497 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:18:10,497 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:18:10,497 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:18:10,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:18:10,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:18:10,498 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:18:10,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:18:10,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:18:10,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:18:10,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:18:10,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:18:10,500 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-19 23:18:10,500 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-19 23:18:10,500 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-19 23:18:10,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:18:10,500 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:18:10,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:18:10,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:18:10,501 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:18:10,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:18:10,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:18:10,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:18:10,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:18:10,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:18:10,502 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-19 23:18:10,502 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-19 23:18:10,502 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:18:10,502 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:18:10,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:18:10,503 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-19 23:18:10,503 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 924a6955b6ce3440b57760793c2baba08166e0c083aedead61a1cd1c863c6081 [2022-07-19 23:18:10,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:18:10,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:18:10,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:18:10,785 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:18:10,785 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:18:10,786 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_newdeg_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i [2022-07-19 23:18:10,836 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f33d0cbe/a22950ab67374f62bc043797e6a693cd/FLAGa9db7b37a [2022-07-19 23:18:11,504 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:18:11,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_newdeg_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i [2022-07-19 23:18:11,546 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f33d0cbe/a22950ab67374f62bc043797e6a693cd/FLAGa9db7b37a [2022-07-19 23:18:11,613 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f33d0cbe/a22950ab67374f62bc043797e6a693cd [2022-07-19 23:18:11,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:18:11,616 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:18:11,618 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:18:11,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:18:11,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:18:11,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:18:11" (1/1) ... [2022-07-19 23:18:11,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@749e3ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:18:11, skipping insertion in model container [2022-07-19 23:18:11,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:18:11" (1/1) ... [2022-07-19 23:18:11,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:18:11,751 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:18:13,406 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_newdeg_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i[393849,393862] [2022-07-19 23:18:13,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:18:13,608 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-19 23:18:13,680 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:18:13,928 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_newdeg_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i[393849,393862] [2022-07-19 23:18:13,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:18:13,966 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:18:14,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_newdeg_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i[393849,393862] [2022-07-19 23:18:14,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:18:14,517 INFO L208 MainTranslator]: Completed translation [2022-07-19 23:18:14,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:18:14 WrapperNode [2022-07-19 23:18:14,518 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 23:18:14,519 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 23:18:14,519 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 23:18:14,519 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 23:18:14,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:18:14" (1/1) ... [2022-07-19 23:18:14,620 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:18:14" (1/1) ... [2022-07-19 23:18:14,742 INFO L137 Inliner]: procedures = 246, calls = 4052, calls flagged for inlining = 65, calls inlined = 61, statements flattened = 5716 [2022-07-19 23:18:14,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 23:18:14,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 23:18:14,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 23:18:14,744 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 23:18:14,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:18:14" (1/1) ... [2022-07-19 23:18:14,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:18:14" (1/1) ... [2022-07-19 23:18:14,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:18:14" (1/1) ... [2022-07-19 23:18:14,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:18:14" (1/1) ... [2022-07-19 23:18:14,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:18:14" (1/1) ... [2022-07-19 23:18:14,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:18:14" (1/1) ... [2022-07-19 23:18:14,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:18:14" (1/1) ... [2022-07-19 23:18:14,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 23:18:14,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 23:18:14,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 23:18:14,974 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 23:18:14,975 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:18:14" (1/1) ... [2022-07-19 23:18:14,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:18:14,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:18:15,037 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) [2022-07-19 23:18:15,115 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 [2022-07-19 23:18:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-19 23:18:15,136 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-19 23:18:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_read_reg [2022-07-19 23:18:15,136 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_read_reg [2022-07-19 23:18:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-19 23:18:15,137 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury [2022-07-19 23:18:15,137 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury [2022-07-19 23:18:15,137 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-19 23:18:15,137 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-19 23:18:15,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-19 23:18:15,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-19 23:18:15,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-19 23:18:15,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-19 23:18:15,137 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_atsc [2022-07-19 23:18:15,138 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_atsc [2022-07-19 23:18:15,138 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-19 23:18:15,138 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-19 23:18:15,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-19 23:18:15,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-19 23:18:15,138 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury [2022-07-19 23:18:15,138 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury [2022-07-19 23:18:15,138 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2160_frontend_attach [2022-07-19 23:18:15,138 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2160_frontend_attach [2022-07-19 23:18:15,139 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_stop [2022-07-19 23:18:15,139 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_stop [2022-07-19 23:18:15,139 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-19 23:18:15,139 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-19 23:18:15,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-19 23:18:15,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-19 23:18:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_config_pin_mux_modes [2022-07-19 23:18:15,140 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_config_pin_mux_modes [2022-07-19 23:18:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_start [2022-07-19 23:18:15,140 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_start [2022-07-19 23:18:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2022-07-19 23:18:15,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2022-07-19 23:18:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_isoc [2022-07-19 23:18:15,140 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_isoc [2022-07-19 23:18:15,141 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mh [2022-07-19 23:18:15,141 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mh [2022-07-19 23:18:15,141 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc [2022-07-19 23:18:15,141 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc [2022-07-19 23:18:15,141 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep6_streaming_ctrl [2022-07-19 23:18:15,141 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep6_streaming_ctrl [2022-07-19 23:18:15,141 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg_mask [2022-07-19 23:18:15,141 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg_mask [2022-07-19 23:18:15,142 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_soft_reset [2022-07-19 23:18:15,142 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_soft_reset [2022-07-19 23:18:15,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 23:18:15,142 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_bulk [2022-07-19 23:18:15,143 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_bulk [2022-07-19 23:18:15,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_atsc_release_6 [2022-07-19 23:18:15,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_atsc_release_6 [2022-07-19 23:18:15,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_mh_release_5 [2022-07-19 23:18:15,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_mh_release_5 [2022-07-19 23:18:15,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_mercury_mh_release_2 [2022-07-19 23:18:15,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_mercury_mh_release_2 [2022-07-19 23:18:15,144 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init [2022-07-19 23:18:15,144 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init [2022-07-19 23:18:15,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_mercury_release_3 [2022-07-19 23:18:15,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_mercury_release_3 [2022-07-19 23:18:15,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-19 23:18:15,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_atsc_mh_release_4 [2022-07-19 23:18:15,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_atsc_mh_release_4 [2022-07-19 23:18:15,145 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_tuner_demod [2022-07-19 23:18:15,145 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_tuner_demod [2022-07-19 23:18:15,145 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_dvbt [2022-07-19 23:18:15,145 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_dvbt [2022-07-19 23:18:15,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-19 23:18:15,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-19 23:18:15,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 23:18:15,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-19 23:18:15,146 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_bitbang_sendbyte [2022-07-19 23:18:15,146 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_bitbang_sendbyte [2022-07-19 23:18:15,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 23:18:15,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-19 23:18:15,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-19 23:18:15,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-19 23:18:15,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-19 23:18:15,147 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-19 23:18:15,147 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-19 23:18:15,147 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_check_status [2022-07-19 23:18:15,147 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_check_status [2022-07-19 23:18:15,147 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep5_streaming_ctrl [2022-07-19 23:18:15,148 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep5_streaming_ctrl [2022-07-19 23:18:15,148 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_msg [2022-07-19 23:18:15,148 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_msg [2022-07-19 23:18:15,148 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_dvbt [2022-07-19 23:18:15,148 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_dvbt [2022-07-19 23:18:15,148 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mh [2022-07-19 23:18:15,149 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mh [2022-07-19 23:18:15,149 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep4_streaming_ctrl [2022-07-19 23:18:15,149 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep4_streaming_ctrl [2022-07-19 23:18:15,150 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_gpio [2022-07-19 23:18:15,150 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_gpio [2022-07-19 23:18:15,150 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-19 23:18:15,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-19 23:18:15,150 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_atsc_mh [2022-07-19 23:18:15,150 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_atsc_mh [2022-07-19 23:18:15,150 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-19 23:18:15,150 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-19 23:18:15,151 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_get_chip_info [2022-07-19 23:18:15,151 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_get_chip_info [2022-07-19 23:18:15,151 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mercury_mh [2022-07-19 23:18:15,151 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mercury_mh [2022-07-19 23:18:15,151 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-19 23:18:15,151 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-19 23:18:15,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-19 23:18:15,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-19 23:18:15,152 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_enable_usb_output [2022-07-19 23:18:15,152 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_enable_usb_output [2022-07-19 23:18:15,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-19 23:18:15,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-19 23:18:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-19 23:18:15,155 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-19 23:18:15,155 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_tuner [2022-07-19 23:18:15,155 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_tuner [2022-07-19 23:18:15,155 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-19 23:18:15,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-19 23:18:15,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-19 23:18:15,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-19 23:18:15,157 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_hw_set_gpio [2022-07-19 23:18:15,161 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_hw_set_gpio [2022-07-19 23:18:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 23:18:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_dvbt_release_7 [2022-07-19 23:18:15,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_dvbt_release_7 [2022-07-19 23:18:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 23:18:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_set_device_mode [2022-07-19 23:18:15,161 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_set_device_mode [2022-07-19 23:18:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_program_regs [2022-07-19 23:18:15,161 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_program_regs [2022-07-19 23:18:15,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-19 23:18:15,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-19 23:18:15,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-19 23:18:15,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-19 23:18:15,162 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_atsc_mh [2022-07-19 23:18:15,162 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_atsc_mh [2022-07-19 23:18:15,162 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_gpio_mode_switch [2022-07-19 23:18:15,162 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_gpio_mode_switch [2022-07-19 23:18:15,162 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2022-07-19 23:18:15,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2022-07-19 23:18:15,163 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mercury [2022-07-19 23:18:15,163 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mercury [2022-07-19 23:18:15,163 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg [2022-07-19 23:18:15,163 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg [2022-07-19 23:18:15,163 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ant_hunt [2022-07-19 23:18:15,163 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ant_hunt [2022-07-19 23:18:15,163 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_ant_path [2022-07-19 23:18:15,163 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_ant_path [2022-07-19 23:18:15,163 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_port_expander [2022-07-19 23:18:15,163 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_port_expander [2022-07-19 23:18:15,163 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_disconnect [2022-07-19 23:18:15,164 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_disconnect [2022-07-19 23:18:15,164 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-19 23:18:15,164 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-19 23:18:15,164 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_demod [2022-07-19 23:18:15,164 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_demod [2022-07-19 23:18:15,164 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_send_data [2022-07-19 23:18:15,164 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_send_data [2022-07-19 23:18:15,164 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_resume [2022-07-19 23:18:15,164 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_resume [2022-07-19 23:18:15,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-19 23:18:15,164 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_get_data [2022-07-19 23:18:15,165 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_get_data [2022-07-19 23:18:15,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 23:18:15,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 23:18:15,165 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_probe [2022-07-19 23:18:15,165 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_probe [2022-07-19 23:18:15,165 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_top_master_ctrl [2022-07-19 23:18:15,165 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_top_master_ctrl [2022-07-19 23:18:15,876 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 23:18:15,878 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 23:20:02,576 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 23:20:02,598 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 23:20:02,599 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-19 23:20:02,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:20:02 BoogieIcfgContainer [2022-07-19 23:20:02,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 23:20:02,604 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 23:20:02,604 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 23:20:02,606 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 23:20:02,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:18:11" (1/3) ... [2022-07-19 23:20:02,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2530ac49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:20:02, skipping insertion in model container [2022-07-19 23:20:02,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:18:14" (2/3) ... [2022-07-19 23:20:02,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2530ac49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:20:02, skipping insertion in model container [2022-07-19 23:20:02,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:20:02" (3/3) ... [2022-07-19 23:20:02,608 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_newdeg_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i [2022-07-19 23:20:02,618 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 23:20:02,618 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 23:20:02,761 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 23:20:02,768 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@54f8e7a0, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@746c5fea [2022-07-19 23:20:02,768 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 23:20:02,778 INFO L276 IsEmpty]: Start isEmpty. Operand has 2154 states, 1651 states have (on average 1.4996971532404604) internal successors, (2476), 1688 states have internal predecessors, (2476), 431 states have call successors, (431), 70 states have call predecessors, (431), 70 states have return successors, (431), 411 states have call predecessors, (431), 431 states have call successors, (431) [2022-07-19 23:20:02,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-19 23:20:02,802 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:20:02,803 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:20:02,804 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:20:02,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:20:02,809 INFO L85 PathProgramCache]: Analyzing trace with hash -2102665398, now seen corresponding path program 1 times [2022-07-19 23:20:02,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:20:02,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [208507987] [2022-07-19 23:20:02,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:20:02,827 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:20:02,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:20:02,860 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) [2022-07-19 23:20:02,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-19 23:20:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:08,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 3950 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:20:08,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:20:08,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:20:08,967 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:20:08,968 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:20:08,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [208507987] [2022-07-19 23:20:08,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [208507987] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:20:08,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:20:08,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:20:08,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942680900] [2022-07-19 23:20:08,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:20:08,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:20:08,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:20:08,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:20:08,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:20:08,997 INFO L87 Difference]: Start difference. First operand has 2154 states, 1651 states have (on average 1.4996971532404604) internal successors, (2476), 1688 states have internal predecessors, (2476), 431 states have call successors, (431), 70 states have call predecessors, (431), 70 states have return successors, (431), 411 states have call predecessors, (431), 431 states have call successors, (431) Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 23:20:09,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:20:09,830 INFO L93 Difference]: Finished difference Result 6429 states and 9972 transitions. [2022-07-19 23:20:09,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:20:09,833 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-07-19 23:20:09,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:20:09,874 INFO L225 Difference]: With dead ends: 6429 [2022-07-19 23:20:09,874 INFO L226 Difference]: Without dead ends: 4274 [2022-07-19 23:20:09,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:20:09,895 INFO L413 NwaCegarLoop]: 3750 mSDtfsCounter, 3287 mSDsluCounter, 3313 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3287 SdHoareTripleChecker+Valid, 7063 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 23:20:09,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3287 Valid, 7063 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 23:20:09,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4274 states. [2022-07-19 23:20:10,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4274 to 4270. [2022-07-19 23:20:10,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4270 states, 3276 states have (on average 1.4996947496947497) internal successors, (4913), 3340 states have internal predecessors, (4913), 855 states have call successors, (855), 139 states have call predecessors, (855), 138 states have return successors, (848), 808 states have call predecessors, (848), 848 states have call successors, (848) [2022-07-19 23:20:10,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4270 states to 4270 states and 6616 transitions. [2022-07-19 23:20:10,106 INFO L78 Accepts]: Start accepts. Automaton has 4270 states and 6616 transitions. Word has length 23 [2022-07-19 23:20:10,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:20:10,107 INFO L495 AbstractCegarLoop]: Abstraction has 4270 states and 6616 transitions. [2022-07-19 23:20:10,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 23:20:10,110 INFO L276 IsEmpty]: Start isEmpty. Operand 4270 states and 6616 transitions. [2022-07-19 23:20:10,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-19 23:20:10,115 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:20:10,115 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:20:10,198 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-19 23:20:10,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:20:10,334 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:20:10,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:20:10,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1478050918, now seen corresponding path program 1 times [2022-07-19 23:20:10,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:20:10,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [503401149] [2022-07-19 23:20:10,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:20:10,338 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:20:10,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:20:10,347 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) [2022-07-19 23:20:10,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-19 23:20:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:15,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 3988 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:20:15,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:20:16,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:20:16,164 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:20:16,165 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:20:16,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [503401149] [2022-07-19 23:20:16,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [503401149] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:20:16,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:20:16,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:20:16,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576956654] [2022-07-19 23:20:16,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:20:16,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:20:16,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:20:16,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:20:16,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:20:16,167 INFO L87 Difference]: Start difference. First operand 4270 states and 6616 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 23:20:17,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:20:17,014 INFO L93 Difference]: Finished difference Result 12018 states and 18636 transitions. [2022-07-19 23:20:17,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:20:17,015 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-07-19 23:20:17,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:20:17,057 INFO L225 Difference]: With dead ends: 12018 [2022-07-19 23:20:17,057 INFO L226 Difference]: Without dead ends: 7751 [2022-07-19 23:20:17,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:20:17,080 INFO L413 NwaCegarLoop]: 3693 mSDtfsCounter, 2710 mSDsluCounter, 3313 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2710 SdHoareTripleChecker+Valid, 7006 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 23:20:17,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2710 Valid, 7006 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 23:20:17,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7751 states. [2022-07-19 23:20:17,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7751 to 7735. [2022-07-19 23:20:17,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7735 states, 5891 states have (on average 1.5017823799015448) internal successors, (8847), 6013 states have internal predecessors, (8847), 1581 states have call successors, (1581), 263 states have call predecessors, (1581), 262 states have return successors, (1574), 1494 states have call predecessors, (1574), 1574 states have call successors, (1574) [2022-07-19 23:20:17,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7735 states to 7735 states and 12002 transitions. [2022-07-19 23:20:17,328 INFO L78 Accepts]: Start accepts. Automaton has 7735 states and 12002 transitions. Word has length 25 [2022-07-19 23:20:17,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:20:17,329 INFO L495 AbstractCegarLoop]: Abstraction has 7735 states and 12002 transitions. [2022-07-19 23:20:17,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 23:20:17,329 INFO L276 IsEmpty]: Start isEmpty. Operand 7735 states and 12002 transitions. [2022-07-19 23:20:17,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-19 23:20:17,333 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:20:17,333 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:20:17,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-19 23:20:17,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:20:17,559 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:20:17,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:20:17,560 INFO L85 PathProgramCache]: Analyzing trace with hash -102917605, now seen corresponding path program 1 times [2022-07-19 23:20:17,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:20:17,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1465567040] [2022-07-19 23:20:17,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:20:17,563 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:20:17,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:20:17,572 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) [2022-07-19 23:20:17,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-19 23:20:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:23,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 3974 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:20:23,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:20:23,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:20:23,950 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:20:23,950 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:20:23,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1465567040] [2022-07-19 23:20:23,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1465567040] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:20:23,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:20:23,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:20:23,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591408092] [2022-07-19 23:20:23,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:20:23,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:20:23,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:20:23,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:20:23,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:20:23,953 INFO L87 Difference]: Start difference. First operand 7735 states and 12002 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 23:20:24,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:20:24,523 INFO L93 Difference]: Finished difference Result 7737 states and 12003 transitions. [2022-07-19 23:20:24,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:20:24,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-07-19 23:20:24,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:20:24,566 INFO L225 Difference]: With dead ends: 7737 [2022-07-19 23:20:24,566 INFO L226 Difference]: Without dead ends: 7734 [2022-07-19 23:20:24,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:20:24,576 INFO L413 NwaCegarLoop]: 3322 mSDtfsCounter, 3301 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3301 SdHoareTripleChecker+Valid, 3322 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-19 23:20:24,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3301 Valid, 3322 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-19 23:20:24,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7734 states. [2022-07-19 23:20:24,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7734 to 7734. [2022-07-19 23:20:24,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7734 states, 5891 states have (on average 1.501612629434731) internal successors, (8846), 6012 states have internal predecessors, (8846), 1580 states have call successors, (1580), 263 states have call predecessors, (1580), 262 states have return successors, (1574), 1494 states have call predecessors, (1574), 1574 states have call successors, (1574) [2022-07-19 23:20:24,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7734 states to 7734 states and 12000 transitions. [2022-07-19 23:20:24,942 INFO L78 Accepts]: Start accepts. Automaton has 7734 states and 12000 transitions. Word has length 25 [2022-07-19 23:20:24,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:20:24,942 INFO L495 AbstractCegarLoop]: Abstraction has 7734 states and 12000 transitions. [2022-07-19 23:20:24,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 23:20:24,943 INFO L276 IsEmpty]: Start isEmpty. Operand 7734 states and 12000 transitions. [2022-07-19 23:20:24,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-19 23:20:24,946 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:20:24,946 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:20:25,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-19 23:20:25,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:20:25,164 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:20:25,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:20:25,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1103793899, now seen corresponding path program 1 times [2022-07-19 23:20:25,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:20:25,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [417642892] [2022-07-19 23:20:25,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:20:25,170 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:20:25,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:20:25,172 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) [2022-07-19 23:20:25,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-19 23:20:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:31,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 3975 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:20:31,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:20:32,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:20:32,076 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:20:32,076 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:20:32,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [417642892] [2022-07-19 23:20:32,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [417642892] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:20:32,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:20:32,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:20:32,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230644657] [2022-07-19 23:20:32,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:20:32,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:20:32,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:20:32,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:20:32,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:20:32,078 INFO L87 Difference]: Start difference. First operand 7734 states and 12000 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 23:20:32,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:20:32,685 INFO L93 Difference]: Finished difference Result 7736 states and 12001 transitions. [2022-07-19 23:20:32,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:20:32,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-07-19 23:20:32,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:20:32,739 INFO L225 Difference]: With dead ends: 7736 [2022-07-19 23:20:32,740 INFO L226 Difference]: Without dead ends: 7733 [2022-07-19 23:20:32,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:20:32,750 INFO L413 NwaCegarLoop]: 3320 mSDtfsCounter, 3298 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3298 SdHoareTripleChecker+Valid, 3320 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-19 23:20:32,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3298 Valid, 3320 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-19 23:20:32,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7733 states. [2022-07-19 23:20:33,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7733 to 7733. [2022-07-19 23:20:33,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7733 states, 5891 states have (on average 1.501442878967917) internal successors, (8845), 6011 states have internal predecessors, (8845), 1579 states have call successors, (1579), 263 states have call predecessors, (1579), 262 states have return successors, (1574), 1494 states have call predecessors, (1574), 1574 states have call successors, (1574) [2022-07-19 23:20:33,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7733 states to 7733 states and 11998 transitions. [2022-07-19 23:20:33,093 INFO L78 Accepts]: Start accepts. Automaton has 7733 states and 11998 transitions. Word has length 26 [2022-07-19 23:20:33,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:20:33,094 INFO L495 AbstractCegarLoop]: Abstraction has 7733 states and 11998 transitions. [2022-07-19 23:20:33,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 23:20:33,094 INFO L276 IsEmpty]: Start isEmpty. Operand 7733 states and 11998 transitions. [2022-07-19 23:20:33,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-07-19 23:20:33,097 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:20:33,098 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:20:33,182 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-19 23:20:33,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:20:33,311 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:20:33,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:20:33,312 INFO L85 PathProgramCache]: Analyzing trace with hash -142850274, now seen corresponding path program 1 times [2022-07-19 23:20:33,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:20:33,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1273329178] [2022-07-19 23:20:33,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:20:33,315 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:20:33,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:20:33,331 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) [2022-07-19 23:20:33,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-19 23:20:38,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:38,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 3976 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:20:38,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:20:39,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:20:39,823 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:20:39,823 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:20:39,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1273329178] [2022-07-19 23:20:39,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1273329178] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:20:39,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:20:39,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:20:39,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409483567] [2022-07-19 23:20:39,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:20:39,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:20:39,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:20:39,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:20:39,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:20:39,824 INFO L87 Difference]: Start difference. First operand 7733 states and 11998 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 23:20:40,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:20:40,661 INFO L93 Difference]: Finished difference Result 23165 states and 35955 transitions. [2022-07-19 23:20:40,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:20:40,662 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-07-19 23:20:40,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:20:40,728 INFO L225 Difference]: With dead ends: 23165 [2022-07-19 23:20:40,728 INFO L226 Difference]: Without dead ends: 15435 [2022-07-19 23:20:40,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:20:40,773 INFO L413 NwaCegarLoop]: 5164 mSDtfsCounter, 3290 mSDsluCounter, 3294 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3290 SdHoareTripleChecker+Valid, 8458 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 23:20:40,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3290 Valid, 8458 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 23:20:40,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15435 states. [2022-07-19 23:20:41,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15435 to 15427. [2022-07-19 23:20:41,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15427 states, 11753 states have (on average 1.501659150855101) internal successors, (17649), 11989 states have internal predecessors, (17649), 3151 states have call successors, (3151), 523 states have call predecessors, (3151), 522 states have return successors, (3146), 2986 states have call predecessors, (3146), 3146 states have call successors, (3146) [2022-07-19 23:20:41,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15427 states to 15427 states and 23946 transitions. [2022-07-19 23:20:41,235 INFO L78 Accepts]: Start accepts. Automaton has 15427 states and 23946 transitions. Word has length 27 [2022-07-19 23:20:41,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:20:41,235 INFO L495 AbstractCegarLoop]: Abstraction has 15427 states and 23946 transitions. [2022-07-19 23:20:41,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 23:20:41,236 INFO L276 IsEmpty]: Start isEmpty. Operand 15427 states and 23946 transitions. [2022-07-19 23:20:41,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-19 23:20:41,240 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:20:41,240 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:20:41,305 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-19 23:20:41,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:20:41,463 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:20:41,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:20:41,464 INFO L85 PathProgramCache]: Analyzing trace with hash -134109106, now seen corresponding path program 1 times [2022-07-19 23:20:41,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:20:41,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [828821487] [2022-07-19 23:20:41,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:20:41,467 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:20:41,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:20:41,469 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) [2022-07-19 23:20:41,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-19 23:20:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:47,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 3977 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:20:47,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:20:47,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:20:47,957 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:20:47,957 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:20:47,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [828821487] [2022-07-19 23:20:47,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [828821487] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:20:47,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:20:47,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:20:47,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500143256] [2022-07-19 23:20:47,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:20:47,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:20:47,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:20:47,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:20:47,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:20:47,958 INFO L87 Difference]: Start difference. First operand 15427 states and 23946 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 23:20:48,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:20:48,633 INFO L93 Difference]: Finished difference Result 15429 states and 23947 transitions. [2022-07-19 23:20:48,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:20:48,633 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-07-19 23:20:48,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:20:48,695 INFO L225 Difference]: With dead ends: 15429 [2022-07-19 23:20:48,695 INFO L226 Difference]: Without dead ends: 15426 [2022-07-19 23:20:48,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:20:48,708 INFO L413 NwaCegarLoop]: 3318 mSDtfsCounter, 3294 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3294 SdHoareTripleChecker+Valid, 3318 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-19 23:20:48,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3294 Valid, 3318 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-19 23:20:48,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15426 states. [2022-07-19 23:20:49,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15426 to 15426. [2022-07-19 23:20:49,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15426 states, 11753 states have (on average 1.501574066195865) internal successors, (17648), 11988 states have internal predecessors, (17648), 3150 states have call successors, (3150), 523 states have call predecessors, (3150), 522 states have return successors, (3146), 2986 states have call predecessors, (3146), 3146 states have call successors, (3146) [2022-07-19 23:20:49,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15426 states to 15426 states and 23944 transitions. [2022-07-19 23:20:49,209 INFO L78 Accepts]: Start accepts. Automaton has 15426 states and 23944 transitions. Word has length 28 [2022-07-19 23:20:49,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:20:49,211 INFO L495 AbstractCegarLoop]: Abstraction has 15426 states and 23944 transitions. [2022-07-19 23:20:49,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 23:20:49,211 INFO L276 IsEmpty]: Start isEmpty. Operand 15426 states and 23944 transitions. [2022-07-19 23:20:49,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-07-19 23:20:49,215 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:20:49,215 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:20:49,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-19 23:20:49,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:20:49,431 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:20:49,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:20:49,432 INFO L85 PathProgramCache]: Analyzing trace with hash 136871969, now seen corresponding path program 1 times [2022-07-19 23:20:49,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:20:49,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1147608039] [2022-07-19 23:20:49,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:20:49,435 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:20:49,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:20:49,437 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 23:20:49,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-19 23:20:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:54,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 3978 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:20:54,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:20:55,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:20:55,838 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:20:55,838 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:20:55,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1147608039] [2022-07-19 23:20:55,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1147608039] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:20:55,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:20:55,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:20:55,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983506396] [2022-07-19 23:20:55,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:20:55,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:20:55,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:20:55,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:20:55,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:20:55,839 INFO L87 Difference]: Start difference. First operand 15426 states and 23944 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 23:20:56,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:20:56,386 INFO L93 Difference]: Finished difference Result 15428 states and 23945 transitions. [2022-07-19 23:20:56,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:20:56,462 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-07-19 23:20:56,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:20:56,605 INFO L225 Difference]: With dead ends: 15428 [2022-07-19 23:20:56,606 INFO L226 Difference]: Without dead ends: 15416 [2022-07-19 23:20:56,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:20:56,610 INFO L413 NwaCegarLoop]: 3317 mSDtfsCounter, 3291 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3291 SdHoareTripleChecker+Valid, 3317 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-19 23:20:56,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3291 Valid, 3317 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-19 23:20:56,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15416 states. [2022-07-19 23:20:56,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15416 to 15416. [2022-07-19 23:20:56,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15416 states, 11744 states have (on average 1.501532697547684) internal successors, (17634), 11978 states have internal predecessors, (17634), 3149 states have call successors, (3149), 523 states have call predecessors, (3149), 522 states have return successors, (3146), 2986 states have call predecessors, (3146), 3146 states have call successors, (3146) [2022-07-19 23:20:56,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15416 states to 15416 states and 23929 transitions. [2022-07-19 23:20:56,990 INFO L78 Accepts]: Start accepts. Automaton has 15416 states and 23929 transitions. Word has length 29 [2022-07-19 23:20:56,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:20:56,990 INFO L495 AbstractCegarLoop]: Abstraction has 15416 states and 23929 transitions. [2022-07-19 23:20:56,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 23:20:56,990 INFO L276 IsEmpty]: Start isEmpty. Operand 15416 states and 23929 transitions. [2022-07-19 23:20:57,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-07-19 23:20:57,000 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:20:57,000 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:20:57,071 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-07-19 23:20:57,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:20:57,215 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:20:57,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:20:57,216 INFO L85 PathProgramCache]: Analyzing trace with hash 334930245, now seen corresponding path program 1 times [2022-07-19 23:20:57,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:20:57,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [483773738] [2022-07-19 23:20:57,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:20:57,220 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:20:57,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:20:57,222 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 23:20:57,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-19 23:21:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:21:03,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 4077 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:21:03,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:21:03,603 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-19 23:21:03,604 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:21:03,604 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:21:03,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [483773738] [2022-07-19 23:21:03,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [483773738] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:21:03,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:21:03,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:21:03,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64121399] [2022-07-19 23:21:03,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:21:03,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:21:03,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:21:03,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:21:03,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:21:03,605 INFO L87 Difference]: Start difference. First operand 15416 states and 23929 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 23:21:04,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:21:04,615 INFO L93 Difference]: Finished difference Result 30831 states and 47856 transitions. [2022-07-19 23:21:04,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:21:04,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 52 [2022-07-19 23:21:04,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:21:04,678 INFO L225 Difference]: With dead ends: 30831 [2022-07-19 23:21:04,678 INFO L226 Difference]: Without dead ends: 15418 [2022-07-19 23:21:04,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:21:04,723 INFO L413 NwaCegarLoop]: 5174 mSDtfsCounter, 3291 mSDsluCounter, 3296 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3291 SdHoareTripleChecker+Valid, 8470 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 23:21:04,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3291 Valid, 8470 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 23:21:04,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15418 states. [2022-07-19 23:21:05,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15418 to 15411. [2022-07-19 23:21:05,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15411 states, 11739 states have (on average 1.501405571173013) internal successors, (17625), 11974 states have internal predecessors, (17625), 3149 states have call successors, (3149), 523 states have call predecessors, (3149), 522 states have return successors, (3146), 2985 states have call predecessors, (3146), 3146 states have call successors, (3146) [2022-07-19 23:21:05,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15411 states to 15411 states and 23920 transitions. [2022-07-19 23:21:05,173 INFO L78 Accepts]: Start accepts. Automaton has 15411 states and 23920 transitions. Word has length 52 [2022-07-19 23:21:05,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:21:05,174 INFO L495 AbstractCegarLoop]: Abstraction has 15411 states and 23920 transitions. [2022-07-19 23:21:05,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 23:21:05,175 INFO L276 IsEmpty]: Start isEmpty. Operand 15411 states and 23920 transitions. [2022-07-19 23:21:05,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-07-19 23:21:05,186 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:21:05,186 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:21:05,254 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-19 23:21:05,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:21:05,400 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:21:05,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:21:05,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1014988615, now seen corresponding path program 1 times [2022-07-19 23:21:05,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:21:05,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1612767706] [2022-07-19 23:21:05,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:21:05,405 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:21:05,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:21:05,408 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 23:21:05,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-19 23:21:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:21:11,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 4076 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-19 23:21:11,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:21:11,992 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-19 23:21:11,992 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:21:11,992 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:21:11,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1612767706] [2022-07-19 23:21:11,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1612767706] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:21:11,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:21:11,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 23:21:11,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313882767] [2022-07-19 23:21:11,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:21:11,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 23:21:11,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:21:11,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 23:21:11,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:21:11,993 INFO L87 Difference]: Start difference. First operand 15411 states and 23920 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 23:21:13,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:21:13,316 INFO L93 Difference]: Finished difference Result 17383 states and 27245 transitions. [2022-07-19 23:21:13,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 23:21:13,317 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 52 [2022-07-19 23:21:13,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:21:13,431 INFO L225 Difference]: With dead ends: 17383 [2022-07-19 23:21:13,431 INFO L226 Difference]: Without dead ends: 16563 [2022-07-19 23:21:13,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-19 23:21:13,447 INFO L413 NwaCegarLoop]: 4087 mSDtfsCounter, 1798 mSDsluCounter, 10255 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 320 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1798 SdHoareTripleChecker+Valid, 14342 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 320 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 23:21:13,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1798 Valid, 14342 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [320 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 23:21:13,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16563 states. [2022-07-19 23:21:13,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16563 to 14687. [2022-07-19 23:21:13,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14687 states, 11146 states have (on average 1.5018840839763143) internal successors, (16740), 11380 states have internal predecessors, (16740), 3030 states have call successors, (3030), 511 states have call predecessors, (3030), 510 states have return successors, (3028), 2867 states have call predecessors, (3028), 3028 states have call successors, (3028) [2022-07-19 23:21:13,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14687 states to 14687 states and 22798 transitions. [2022-07-19 23:21:13,943 INFO L78 Accepts]: Start accepts. Automaton has 14687 states and 22798 transitions. Word has length 52 [2022-07-19 23:21:13,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:21:13,943 INFO L495 AbstractCegarLoop]: Abstraction has 14687 states and 22798 transitions. [2022-07-19 23:21:13,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 23:21:13,944 INFO L276 IsEmpty]: Start isEmpty. Operand 14687 states and 22798 transitions. [2022-07-19 23:21:13,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-07-19 23:21:13,966 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:21:13,966 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:21:14,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-19 23:21:14,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:21:14,191 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:21:14,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:21:14,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1034130717, now seen corresponding path program 1 times [2022-07-19 23:21:14,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:21:14,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [886942688] [2022-07-19 23:21:14,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:21:14,197 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:21:14,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:21:14,202 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 23:21:14,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-19 23:21:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:21:20,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 4144 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-19 23:21:20,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:21:21,288 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-19 23:21:21,288 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:21:21,288 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:21:21,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [886942688] [2022-07-19 23:21:21,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [886942688] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:21:21,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:21:21,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 23:21:21,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846960563] [2022-07-19 23:21:21,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:21:21,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 23:21:21,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:21:21,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 23:21:21,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:21:21,289 INFO L87 Difference]: Start difference. First operand 14687 states and 22798 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-19 23:21:22,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:21:22,512 INFO L93 Difference]: Finished difference Result 16657 states and 26122 transitions. [2022-07-19 23:21:22,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 23:21:22,512 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 70 [2022-07-19 23:21:22,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:21:22,513 INFO L225 Difference]: With dead ends: 16657 [2022-07-19 23:21:22,513 INFO L226 Difference]: Without dead ends: 0 [2022-07-19 23:21:22,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-19 23:21:22,629 INFO L413 NwaCegarLoop]: 4062 mSDtfsCounter, 2803 mSDsluCounter, 9082 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 446 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2803 SdHoareTripleChecker+Valid, 13144 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 446 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-19 23:21:22,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2803 Valid, 13144 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [446 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-19 23:21:22,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-19 23:21:22,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-19 23:21:22,630 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) [2022-07-19 23:21:22,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-19 23:21:22,631 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2022-07-19 23:21:22,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:21:22,631 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-19 23:21:22,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-19 23:21:22,632 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-19 23:21:22,632 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-19 23:21:22,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 23:21:22,702 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-19 23:21:22,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:21:22,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.