./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 791161d1 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-?-791161d [2022-07-22 23:31:47,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 23:31:47,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 23:31:47,899 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 23:31:47,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 23:31:47,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 23:31:47,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 23:31:47,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 23:31:47,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 23:31:47,913 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 23:31:47,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 23:31:47,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 23:31:47,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 23:31:47,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 23:31:47,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 23:31:47,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 23:31:47,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 23:31:47,925 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 23:31:47,926 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 23:31:47,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 23:31:47,934 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 23:31:47,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 23:31:47,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 23:31:47,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 23:31:47,938 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 23:31:47,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 23:31:47,941 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 23:31:47,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 23:31:47,943 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 23:31:47,943 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 23:31:47,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 23:31:47,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 23:31:47,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 23:31:47,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 23:31:47,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 23:31:47,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 23:31:47,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 23:31:47,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 23:31:47,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 23:31:47,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 23:31:47,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 23:31:47,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 23:31:47,953 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-22 23:31:47,982 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 23:31:47,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 23:31:47,983 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 23:31:47,984 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 23:31:47,984 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 23:31:47,985 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 23:31:47,985 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 23:31:47,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 23:31:47,986 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 23:31:47,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 23:31:47,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 23:31:47,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 23:31:47,987 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 23:31:47,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 23:31:47,987 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 23:31:47,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 23:31:47,988 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 23:31:47,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 23:31:47,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 23:31:47,988 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 23:31:47,988 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 23:31:47,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:31:47,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 23:31:47,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 23:31:47,989 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 23:31:47,989 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 23:31:47,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 23:31:47,990 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 23:31:47,990 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 23:31:47,990 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 23:31:47,990 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 924a6955b6ce3440b57760793c2baba08166e0c083aedead61a1cd1c863c6081 [2022-07-22 23:31:48,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 23:31:48,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 23:31:48,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 23:31:48,215 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 23:31:48,216 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 23:31:48,217 INFO L432 ainManager$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 [2022-07-22 23:31:48,272 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/022229006/7500dcd85a42437b9515d3116783b20f/FLAGa4fcc337a [2022-07-22 23:31:49,025 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 23:31:49,026 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 [2022-07-22 23:31:49,078 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/022229006/7500dcd85a42437b9515d3116783b20f/FLAGa4fcc337a [2022-07-22 23:31:49,289 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/022229006/7500dcd85a42437b9515d3116783b20f [2022-07-22 23:31:49,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 23:31:49,292 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 23:31:49,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 23:31:49,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 23:31:49,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 23:31:49,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:31:49" (1/1) ... [2022-07-22 23:31:49,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b684e1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:31:49, skipping insertion in model container [2022-07-22 23:31:49,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:31:49" (1/1) ... [2022-07-22 23:31:49,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 23:31:49,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 23:31:51,587 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] [2022-07-22 23:31:51,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:31:51,810 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 23:31:52,183 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) [2022-07-22 23:31:52,190 INFO L158 Benchmark]: Toolchain (without parser) took 2896.01ms. Allocated memory was 121.6MB in the beginning and 239.1MB in the end (delta: 117.4MB). Free memory was 72.9MB in the beginning and 116.7MB in the end (delta: -43.9MB). Peak memory consumption was 72.8MB. Max. memory is 16.1GB. [2022-07-22 23:31:52,191 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 79.7MB. Free memory is still 34.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 23:31:52,193 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2894.16ms. Allocated memory was 121.6MB in the beginning and 239.1MB in the end (delta: 117.4MB). Free memory was 72.9MB in the beginning and 116.7MB in the end (delta: -43.9MB). Peak memory consumption was 72.8MB. Max. memory is 16.1GB. [2022-07-22 23:31:52,196 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 79.7MB. Free memory is still 34.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2894.16ms. Allocated memory was 121.6MB in the beginning and 239.1MB in the end (delta: 117.4MB). Free memory was 72.9MB in the beginning and 116.7MB in the end (delta: -43.9MB). Peak memory consumption was 72.8MB. 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-?-791161d [2022-07-22 23:31:54,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 23:31:54,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 23:31:54,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 23:31:54,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 23:31:54,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 23:31:54,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 23:31:54,094 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 23:31:54,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 23:31:54,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 23:31:54,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 23:31:54,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 23:31:54,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 23:31:54,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 23:31:54,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 23:31:54,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 23:31:54,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 23:31:54,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 23:31:54,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 23:31:54,120 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 23:31:54,122 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 23:31:54,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 23:31:54,125 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 23:31:54,126 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 23:31:54,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 23:31:54,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 23:31:54,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 23:31:54,134 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 23:31:54,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 23:31:54,136 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 23:31:54,136 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 23:31:54,137 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 23:31:54,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 23:31:54,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 23:31:54,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 23:31:54,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 23:31:54,141 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 23:31:54,142 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 23:31:54,142 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 23:31:54,142 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 23:31:54,143 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 23:31:54,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 23:31:54,153 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-22 23:31:54,189 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 23:31:54,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 23:31:54,190 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 23:31:54,190 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 23:31:54,191 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 23:31:54,191 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 23:31:54,192 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 23:31:54,192 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 23:31:54,192 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 23:31:54,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 23:31:54,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 23:31:54,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 23:31:54,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 23:31:54,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 23:31:54,194 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-22 23:31:54,195 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-22 23:31:54,195 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-22 23:31:54,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 23:31:54,195 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 23:31:54,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 23:31:54,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 23:31:54,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 23:31:54,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 23:31:54,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:31:54,197 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 23:31:54,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 23:31:54,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 23:31:54,197 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-22 23:31:54,198 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-22 23:31:54,198 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 23:31:54,198 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 23:31:54,199 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 23:31:54,199 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-22 23:31:54,199 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 924a6955b6ce3440b57760793c2baba08166e0c083aedead61a1cd1c863c6081 [2022-07-22 23:31:54,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 23:31:54,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 23:31:54,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 23:31:54,536 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 23:31:54,537 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 23:31:54,538 INFO L432 ainManager$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 [2022-07-22 23:31:54,593 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b4692a09/180cbb13365c4f728cb84983038e4890/FLAG03ae94a4a [2022-07-22 23:31:55,370 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 23:31:55,371 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 [2022-07-22 23:31:55,464 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b4692a09/180cbb13365c4f728cb84983038e4890/FLAG03ae94a4a [2022-07-22 23:31:55,884 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b4692a09/180cbb13365c4f728cb84983038e4890 [2022-07-22 23:31:55,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 23:31:55,888 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 23:31:55,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 23:31:55,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 23:31:55,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 23:31:55,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:31:55" (1/1) ... [2022-07-22 23:31:55,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20d9c52c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:31:55, skipping insertion in model container [2022-07-22 23:31:55,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:31:55" (1/1) ... [2022-07-22 23:31:55,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 23:31:56,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 23:31:58,156 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] [2022-07-22 23:31:58,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:31:58,384 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-22 23:31:58,454 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 23:31:58,879 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] [2022-07-22 23:31:58,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:31:58,955 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 23:31:59,392 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] [2022-07-22 23:31:59,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:31:59,700 INFO L208 MainTranslator]: Completed translation [2022-07-22 23:31:59,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:31:59 WrapperNode [2022-07-22 23:31:59,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 23:31:59,702 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 23:31:59,702 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 23:31:59,702 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 23:31:59,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:31:59" (1/1) ... [2022-07-22 23:31:59,862 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:31:59" (1/1) ... [2022-07-22 23:32:00,039 INFO L137 Inliner]: procedures = 246, calls = 4052, calls flagged for inlining = 65, calls inlined = 61, statements flattened = 5716 [2022-07-22 23:32:00,040 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 23:32:00,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 23:32:00,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 23:32:00,042 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 23:32:00,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:31:59" (1/1) ... [2022-07-22 23:32:00,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:31:59" (1/1) ... [2022-07-22 23:32:00,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:31:59" (1/1) ... [2022-07-22 23:32:00,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:31:59" (1/1) ... [2022-07-22 23:32:00,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:31:59" (1/1) ... [2022-07-22 23:32:00,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:31:59" (1/1) ... [2022-07-22 23:32:00,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:31:59" (1/1) ... [2022-07-22 23:32:00,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 23:32:00,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 23:32:00,407 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 23:32:00,408 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 23:32:00,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:31:59" (1/1) ... [2022-07-22 23:32:00,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:32:00,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 23:32:00,491 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) [2022-07-22 23:32:00,502 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 [2022-07-22 23:32:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-22 23:32:00,526 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-22 23:32:00,526 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_read_reg [2022-07-22 23:32:00,526 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_read_reg [2022-07-22 23:32:00,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-22 23:32:00,526 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury [2022-07-22 23:32:00,527 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury [2022-07-22 23:32:00,527 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-22 23:32:00,527 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-22 23:32:00,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-22 23:32:00,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-22 23:32:00,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-22 23:32:00,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-22 23:32:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_atsc [2022-07-22 23:32:00,528 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_atsc [2022-07-22 23:32:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-22 23:32:00,528 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-22 23:32:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-22 23:32:00,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-22 23:32:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury [2022-07-22 23:32:00,529 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury [2022-07-22 23:32:00,529 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2160_frontend_attach [2022-07-22 23:32:00,529 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2160_frontend_attach [2022-07-22 23:32:00,529 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_stop [2022-07-22 23:32:00,529 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_stop [2022-07-22 23:32:00,529 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-22 23:32:00,529 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-22 23:32:00,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-22 23:32:00,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-22 23:32:00,530 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_config_pin_mux_modes [2022-07-22 23:32:00,530 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_config_pin_mux_modes [2022-07-22 23:32:00,530 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_start [2022-07-22 23:32:00,530 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_start [2022-07-22 23:32:00,530 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2022-07-22 23:32:00,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2022-07-22 23:32:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_isoc [2022-07-22 23:32:00,531 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_isoc [2022-07-22 23:32:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mh [2022-07-22 23:32:00,531 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mh [2022-07-22 23:32:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc [2022-07-22 23:32:00,531 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc [2022-07-22 23:32:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep6_streaming_ctrl [2022-07-22 23:32:00,532 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep6_streaming_ctrl [2022-07-22 23:32:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg_mask [2022-07-22 23:32:00,532 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg_mask [2022-07-22 23:32:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_soft_reset [2022-07-22 23:32:00,532 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_soft_reset [2022-07-22 23:32:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 23:32:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_bulk [2022-07-22 23:32:00,533 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_bulk [2022-07-22 23:32:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_atsc_release_6 [2022-07-22 23:32:00,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_atsc_release_6 [2022-07-22 23:32:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_mh_release_5 [2022-07-22 23:32:00,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_mh_release_5 [2022-07-22 23:32:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_mercury_mh_release_2 [2022-07-22 23:32:00,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_mercury_mh_release_2 [2022-07-22 23:32:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init [2022-07-22 23:32:00,534 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init [2022-07-22 23:32:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_mercury_release_3 [2022-07-22 23:32:00,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_mercury_release_3 [2022-07-22 23:32:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 23:32:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_atsc_mh_release_4 [2022-07-22 23:32:00,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_atsc_mh_release_4 [2022-07-22 23:32:00,535 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_tuner_demod [2022-07-22 23:32:00,535 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_tuner_demod [2022-07-22 23:32:00,535 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_dvbt [2022-07-22 23:32:00,535 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_dvbt [2022-07-22 23:32:00,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-22 23:32:00,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-22 23:32:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 23:32:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-22 23:32:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_bitbang_sendbyte [2022-07-22 23:32:00,536 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_bitbang_sendbyte [2022-07-22 23:32:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-22 23:32:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-22 23:32:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-22 23:32:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-22 23:32:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-22 23:32:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-22 23:32:00,537 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-22 23:32:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_check_status [2022-07-22 23:32:00,537 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_check_status [2022-07-22 23:32:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep5_streaming_ctrl [2022-07-22 23:32:00,537 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep5_streaming_ctrl [2022-07-22 23:32:00,539 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_msg [2022-07-22 23:32:00,539 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_msg [2022-07-22 23:32:00,540 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_dvbt [2022-07-22 23:32:00,540 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_dvbt [2022-07-22 23:32:00,540 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mh [2022-07-22 23:32:00,541 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mh [2022-07-22 23:32:00,541 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep4_streaming_ctrl [2022-07-22 23:32:00,541 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep4_streaming_ctrl [2022-07-22 23:32:00,541 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_gpio [2022-07-22 23:32:00,542 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_gpio [2022-07-22 23:32:00,542 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-22 23:32:00,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-22 23:32:00,542 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_atsc_mh [2022-07-22 23:32:00,542 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_atsc_mh [2022-07-22 23:32:00,542 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-22 23:32:00,543 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-22 23:32:00,543 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_get_chip_info [2022-07-22 23:32:00,543 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_get_chip_info [2022-07-22 23:32:00,543 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mercury_mh [2022-07-22 23:32:00,543 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mercury_mh [2022-07-22 23:32:00,543 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-22 23:32:00,544 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-22 23:32:00,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-22 23:32:00,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-22 23:32:00,544 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_enable_usb_output [2022-07-22 23:32:00,544 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_enable_usb_output [2022-07-22 23:32:00,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-22 23:32:00,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-22 23:32:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-22 23:32:00,548 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-22 23:32:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_tuner [2022-07-22 23:32:00,548 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_tuner [2022-07-22 23:32:00,549 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-22 23:32:00,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-22 23:32:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-22 23:32:00,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-22 23:32:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_hw_set_gpio [2022-07-22 23:32:00,555 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_hw_set_gpio [2022-07-22 23:32:00,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 23:32:00,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_dvbt_release_7 [2022-07-22 23:32:00,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_dvbt_release_7 [2022-07-22 23:32:00,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 23:32:00,555 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_set_device_mode [2022-07-22 23:32:00,556 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_set_device_mode [2022-07-22 23:32:00,556 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_program_regs [2022-07-22 23:32:00,556 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_program_regs [2022-07-22 23:32:00,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 23:32:00,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-22 23:32:00,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-22 23:32:00,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-22 23:32:00,556 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_atsc_mh [2022-07-22 23:32:00,557 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_atsc_mh [2022-07-22 23:32:00,557 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_gpio_mode_switch [2022-07-22 23:32:00,557 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_gpio_mode_switch [2022-07-22 23:32:00,557 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2022-07-22 23:32:00,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2022-07-22 23:32:00,557 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mercury [2022-07-22 23:32:00,557 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mercury [2022-07-22 23:32:00,557 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg [2022-07-22 23:32:00,558 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg [2022-07-22 23:32:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ant_hunt [2022-07-22 23:32:00,558 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ant_hunt [2022-07-22 23:32:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_ant_path [2022-07-22 23:32:00,558 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_ant_path [2022-07-22 23:32:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_port_expander [2022-07-22 23:32:00,558 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_port_expander [2022-07-22 23:32:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_disconnect [2022-07-22 23:32:00,559 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_disconnect [2022-07-22 23:32:00,559 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-22 23:32:00,559 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-22 23:32:00,559 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_demod [2022-07-22 23:32:00,559 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_demod [2022-07-22 23:32:00,559 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_send_data [2022-07-22 23:32:00,559 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_send_data [2022-07-22 23:32:00,560 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_resume [2022-07-22 23:32:00,560 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_resume [2022-07-22 23:32:00,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-22 23:32:00,560 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_get_data [2022-07-22 23:32:00,560 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_get_data [2022-07-22 23:32:00,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 23:32:00,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 23:32:00,560 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_probe [2022-07-22 23:32:00,560 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_probe [2022-07-22 23:32:00,561 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_top_master_ctrl [2022-07-22 23:32:00,561 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_top_master_ctrl [2022-07-22 23:32:01,412 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 23:32:01,414 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 23:33:51,275 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 23:33:51,293 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 23:33:51,293 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 23:33:51,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:33:51 BoogieIcfgContainer [2022-07-22 23:33:51,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 23:33:51,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 23:33:51,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 23:33:51,301 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 23:33:51,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 11:31:55" (1/3) ... [2022-07-22 23:33:51,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c50650b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:33:51, skipping insertion in model container [2022-07-22 23:33:51,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:31:59" (2/3) ... [2022-07-22 23:33:51,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c50650b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:33:51, skipping insertion in model container [2022-07-22 23:33:51,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:33:51" (3/3) ... [2022-07-22 23:33:51,303 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 [2022-07-22 23:33:51,315 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 23:33:51,316 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 23:33:51,408 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 23:33:51,415 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@c593114, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@148813da [2022-07-22 23:33:51,415 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 23:33:51,425 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) [2022-07-22 23:33:51,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-22 23:33:51,454 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:33:51,455 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] [2022-07-22 23:33:51,456 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:33:51,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:33:51,460 INFO L85 PathProgramCache]: Analyzing trace with hash -2102665398, now seen corresponding path program 1 times [2022-07-22 23:33:51,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:33:51,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1486233006] [2022-07-22 23:33:51,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:33:51,480 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:33:51,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:33:51,482 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) [2022-07-22 23:33:51,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-22 23:33:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:33:57,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 3950 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:33:57,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:33:57,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:33:57,894 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:33:57,895 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:33:57,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1486233006] [2022-07-22 23:33:57,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1486233006] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:33:57,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:33:57,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:33:57,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729876160] [2022-07-22 23:33:57,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:33:57,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:33:57,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:33:57,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:33:57,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:33:57,934 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) [2022-07-22 23:33:58,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:33:58,921 INFO L93 Difference]: Finished difference Result 6429 states and 9972 transitions. [2022-07-22 23:33:58,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:33:58,924 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 [2022-07-22 23:33:58,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:33:58,971 INFO L225 Difference]: With dead ends: 6429 [2022-07-22 23:33:58,971 INFO L226 Difference]: Without dead ends: 4274 [2022-07-22 23:33:58,992 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 [2022-07-22 23:33:58,995 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, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 23:33:58,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3287 Valid, 7063 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 23:33:59,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4274 states. [2022-07-22 23:33:59,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4274 to 4270. [2022-07-22 23:33:59,204 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) [2022-07-22 23:33:59,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4270 states to 4270 states and 6616 transitions. [2022-07-22 23:33:59,241 INFO L78 Accepts]: Start accepts. Automaton has 4270 states and 6616 transitions. Word has length 23 [2022-07-22 23:33:59,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:33:59,242 INFO L495 AbstractCegarLoop]: Abstraction has 4270 states and 6616 transitions. [2022-07-22 23:33:59,242 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) [2022-07-22 23:33:59,242 INFO L276 IsEmpty]: Start isEmpty. Operand 4270 states and 6616 transitions. [2022-07-22 23:33:59,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-22 23:33:59,247 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:33:59,248 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] [2022-07-22 23:33:59,350 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-22 23:33:59,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:33:59,449 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:33:59,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:33:59,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1478050918, now seen corresponding path program 1 times [2022-07-22 23:33:59,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:33:59,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [822712301] [2022-07-22 23:33:59,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:33:59,454 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:33:59,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:33:59,459 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) [2022-07-22 23:33:59,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-22 23:34:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:34:05,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 3988 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:34:05,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:34:05,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:34:05,670 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:34:05,670 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:34:05,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [822712301] [2022-07-22 23:34:05,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [822712301] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:34:05,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:34:05,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:34:05,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605658356] [2022-07-22 23:34:05,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:34:05,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:34:05,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:34:05,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:34:05,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:34:05,673 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) [2022-07-22 23:34:06,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:34:06,534 INFO L93 Difference]: Finished difference Result 12018 states and 18636 transitions. [2022-07-22 23:34:06,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:34:06,535 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 [2022-07-22 23:34:06,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:34:06,596 INFO L225 Difference]: With dead ends: 12018 [2022-07-22 23:34:06,597 INFO L226 Difference]: Without dead ends: 7751 [2022-07-22 23:34:06,624 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 [2022-07-22 23:34:06,626 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, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 23:34:06,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2710 Valid, 7006 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 23:34:06,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7751 states. [2022-07-22 23:34:06,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7751 to 7735. [2022-07-22 23:34:06,978 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) [2022-07-22 23:34:07,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7735 states to 7735 states and 12002 transitions. [2022-07-22 23:34:07,036 INFO L78 Accepts]: Start accepts. Automaton has 7735 states and 12002 transitions. Word has length 25 [2022-07-22 23:34:07,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:34:07,036 INFO L495 AbstractCegarLoop]: Abstraction has 7735 states and 12002 transitions. [2022-07-22 23:34:07,036 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) [2022-07-22 23:34:07,036 INFO L276 IsEmpty]: Start isEmpty. Operand 7735 states and 12002 transitions. [2022-07-22 23:34:07,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-22 23:34:07,041 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:34:07,042 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] [2022-07-22 23:34:07,139 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-22 23:34:07,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:34:07,264 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:34:07,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:34:07,264 INFO L85 PathProgramCache]: Analyzing trace with hash -102917605, now seen corresponding path program 1 times [2022-07-22 23:34:07,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:34:07,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [618883364] [2022-07-22 23:34:07,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:34:07,269 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:34:07,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:34:07,275 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) [2022-07-22 23:34:07,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-22 23:34:12,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:34:13,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 3974 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:34:13,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:34:14,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:34:14,002 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:34:14,002 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:34:14,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [618883364] [2022-07-22 23:34:14,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [618883364] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:34:14,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:34:14,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:34:14,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547063958] [2022-07-22 23:34:14,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:34:14,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:34:14,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:34:14,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:34:14,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:34:14,005 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) [2022-07-22 23:34:14,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:34:14,616 INFO L93 Difference]: Finished difference Result 7737 states and 12003 transitions. [2022-07-22 23:34:14,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:34:14,617 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 [2022-07-22 23:34:14,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:34:14,672 INFO L225 Difference]: With dead ends: 7737 [2022-07-22 23:34:14,673 INFO L226 Difference]: Without dead ends: 7734 [2022-07-22 23:34:14,685 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 [2022-07-22 23:34:14,688 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 [2022-07-22 23:34:14,690 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] [2022-07-22 23:34:14,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7734 states. [2022-07-22 23:34:15,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7734 to 7734. [2022-07-22 23:34:15,028 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) [2022-07-22 23:34:15,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7734 states to 7734 states and 12000 transitions. [2022-07-22 23:34:15,072 INFO L78 Accepts]: Start accepts. Automaton has 7734 states and 12000 transitions. Word has length 25 [2022-07-22 23:34:15,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:34:15,072 INFO L495 AbstractCegarLoop]: Abstraction has 7734 states and 12000 transitions. [2022-07-22 23:34:15,073 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) [2022-07-22 23:34:15,073 INFO L276 IsEmpty]: Start isEmpty. Operand 7734 states and 12000 transitions. [2022-07-22 23:34:15,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-22 23:34:15,077 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:34:15,077 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] [2022-07-22 23:34:15,170 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-22 23:34:15,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:34:15,292 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:34:15,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:34:15,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1103793899, now seen corresponding path program 1 times [2022-07-22 23:34:15,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:34:15,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [523220431] [2022-07-22 23:34:15,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:34:15,298 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:34:15,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:34:15,303 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) [2022-07-22 23:34:15,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-22 23:34:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:34:21,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 3975 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:34:21,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:34:22,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:34:22,021 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:34:22,021 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:34:22,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [523220431] [2022-07-22 23:34:22,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [523220431] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:34:22,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:34:22,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:34:22,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394918353] [2022-07-22 23:34:22,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:34:22,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:34:22,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:34:22,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:34:22,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:34:22,023 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) [2022-07-22 23:34:22,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:34:22,680 INFO L93 Difference]: Finished difference Result 7736 states and 12001 transitions. [2022-07-22 23:34:22,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:34:22,681 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 [2022-07-22 23:34:22,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:34:22,744 INFO L225 Difference]: With dead ends: 7736 [2022-07-22 23:34:22,745 INFO L226 Difference]: Without dead ends: 7733 [2022-07-22 23:34:22,753 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 [2022-07-22 23:34:22,755 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 [2022-07-22 23:34:22,757 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] [2022-07-22 23:34:22,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7733 states. [2022-07-22 23:34:23,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7733 to 7733. [2022-07-22 23:34:23,052 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) [2022-07-22 23:34:23,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7733 states to 7733 states and 11998 transitions. [2022-07-22 23:34:23,155 INFO L78 Accepts]: Start accepts. Automaton has 7733 states and 11998 transitions. Word has length 26 [2022-07-22 23:34:23,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:34:23,156 INFO L495 AbstractCegarLoop]: Abstraction has 7733 states and 11998 transitions. [2022-07-22 23:34:23,156 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) [2022-07-22 23:34:23,156 INFO L276 IsEmpty]: Start isEmpty. Operand 7733 states and 11998 transitions. [2022-07-22 23:34:23,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-07-22 23:34:23,161 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:34:23,161 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] [2022-07-22 23:34:23,336 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-22 23:34:23,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:34:23,362 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:34:23,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:34:23,362 INFO L85 PathProgramCache]: Analyzing trace with hash -142850274, now seen corresponding path program 1 times [2022-07-22 23:34:23,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:34:23,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [512455243] [2022-07-22 23:34:23,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:34:23,368 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:34:23,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:34:23,383 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) [2022-07-22 23:34:23,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-22 23:34:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:34:29,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 3976 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:34:29,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:34:30,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:34:30,352 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:34:30,352 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:34:30,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [512455243] [2022-07-22 23:34:30,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [512455243] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:34:30,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:34:30,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:34:30,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103119704] [2022-07-22 23:34:30,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:34:30,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:34:30,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:34:30,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:34:30,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:34:30,353 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) [2022-07-22 23:34:31,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:34:31,325 INFO L93 Difference]: Finished difference Result 23165 states and 35955 transitions. [2022-07-22 23:34:31,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:34:31,326 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 [2022-07-22 23:34:31,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:34:31,417 INFO L225 Difference]: With dead ends: 23165 [2022-07-22 23:34:31,417 INFO L226 Difference]: Without dead ends: 15435 [2022-07-22 23:34:31,472 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 [2022-07-22 23:34:31,473 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 [2022-07-22 23:34:31,474 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] [2022-07-22 23:34:31,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15435 states. [2022-07-22 23:34:32,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15435 to 15427. [2022-07-22 23:34:32,195 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) [2022-07-22 23:34:32,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15427 states to 15427 states and 23946 transitions. [2022-07-22 23:34:32,333 INFO L78 Accepts]: Start accepts. Automaton has 15427 states and 23946 transitions. Word has length 27 [2022-07-22 23:34:32,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:34:32,333 INFO L495 AbstractCegarLoop]: Abstraction has 15427 states and 23946 transitions. [2022-07-22 23:34:32,334 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) [2022-07-22 23:34:32,334 INFO L276 IsEmpty]: Start isEmpty. Operand 15427 states and 23946 transitions. [2022-07-22 23:34:32,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-22 23:34:32,346 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:34:32,347 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] [2022-07-22 23:34:32,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-22 23:34:32,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:34:32,559 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:34:32,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:34:32,560 INFO L85 PathProgramCache]: Analyzing trace with hash -134109106, now seen corresponding path program 1 times [2022-07-22 23:34:32,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:34:32,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [196988970] [2022-07-22 23:34:32,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:34:32,565 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:34:32,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:34:32,589 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) [2022-07-22 23:34:32,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-22 23:34:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:34:38,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 3977 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:34:38,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:34:39,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:34:39,570 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:34:39,570 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:34:39,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [196988970] [2022-07-22 23:34:39,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [196988970] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:34:39,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:34:39,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:34:39,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269378184] [2022-07-22 23:34:39,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:34:39,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:34:39,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:34:39,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:34:39,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:34:39,573 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) [2022-07-22 23:34:40,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:34:40,374 INFO L93 Difference]: Finished difference Result 15429 states and 23947 transitions. [2022-07-22 23:34:40,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:34:40,384 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 [2022-07-22 23:34:40,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:34:40,502 INFO L225 Difference]: With dead ends: 15429 [2022-07-22 23:34:40,503 INFO L226 Difference]: Without dead ends: 15426 [2022-07-22 23:34:40,513 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 [2022-07-22 23:34:40,514 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, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 23:34:40,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3294 Valid, 3318 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 23:34:40,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15426 states. [2022-07-22 23:34:41,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15426 to 15426. [2022-07-22 23:34:41,297 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) [2022-07-22 23:34:41,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15426 states to 15426 states and 23944 transitions. [2022-07-22 23:34:41,374 INFO L78 Accepts]: Start accepts. Automaton has 15426 states and 23944 transitions. Word has length 28 [2022-07-22 23:34:41,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:34:41,376 INFO L495 AbstractCegarLoop]: Abstraction has 15426 states and 23944 transitions. [2022-07-22 23:34:41,376 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) [2022-07-22 23:34:41,376 INFO L276 IsEmpty]: Start isEmpty. Operand 15426 states and 23944 transitions. [2022-07-22 23:34:41,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-07-22 23:34:41,382 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:34:41,382 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] [2022-07-22 23:34:41,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-22 23:34:41,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:34:41,595 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:34:41,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:34:41,596 INFO L85 PathProgramCache]: Analyzing trace with hash 136871969, now seen corresponding path program 1 times [2022-07-22 23:34:41,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:34:41,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [148850450] [2022-07-22 23:34:41,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:34:41,601 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:34:41,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:34:41,603 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) [2022-07-22 23:34:41,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-22 23:34:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:34:47,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 3978 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:34:47,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:34:48,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:34:48,804 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:34:48,805 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:34:48,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [148850450] [2022-07-22 23:34:48,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [148850450] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:34:48,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:34:48,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:34:48,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72937900] [2022-07-22 23:34:48,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:34:48,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:34:48,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:34:48,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:34:48,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:34:48,806 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) [2022-07-22 23:34:49,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:34:49,509 INFO L93 Difference]: Finished difference Result 15428 states and 23945 transitions. [2022-07-22 23:34:49,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:34:49,619 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 [2022-07-22 23:34:49,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:34:49,714 INFO L225 Difference]: With dead ends: 15428 [2022-07-22 23:34:49,714 INFO L226 Difference]: Without dead ends: 15416 [2022-07-22 23:34:49,732 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 [2022-07-22 23:34:49,734 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 [2022-07-22 23:34:49,734 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] [2022-07-22 23:34:49,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15416 states. [2022-07-22 23:34:50,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15416 to 15416. [2022-07-22 23:34:50,410 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) [2022-07-22 23:34:50,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15416 states to 15416 states and 23929 transitions. [2022-07-22 23:34:50,488 INFO L78 Accepts]: Start accepts. Automaton has 15416 states and 23929 transitions. Word has length 29 [2022-07-22 23:34:50,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:34:50,489 INFO L495 AbstractCegarLoop]: Abstraction has 15416 states and 23929 transitions. [2022-07-22 23:34:50,489 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) [2022-07-22 23:34:50,489 INFO L276 IsEmpty]: Start isEmpty. Operand 15416 states and 23929 transitions. [2022-07-22 23:34:50,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-07-22 23:34:50,503 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:34:50,504 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] [2022-07-22 23:34:50,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-22 23:34:50,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:34:50,720 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:34:50,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:34:50,720 INFO L85 PathProgramCache]: Analyzing trace with hash 334930245, now seen corresponding path program 1 times [2022-07-22 23:34:50,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:34:50,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [130723472] [2022-07-22 23:34:50,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:34:50,727 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:34:50,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:34:50,729 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) [2022-07-22 23:34:50,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-22 23:34:56,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:34:57,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 4077 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:34:57,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:34:57,414 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-22 23:34:57,414 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:34:57,414 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:34:57,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [130723472] [2022-07-22 23:34:57,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [130723472] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:34:57,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:34:57,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:34:57,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118498868] [2022-07-22 23:34:57,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:34:57,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:34:57,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:34:57,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:34:57,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:34:57,416 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) [2022-07-22 23:34:58,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:34:58,522 INFO L93 Difference]: Finished difference Result 30831 states and 47856 transitions. [2022-07-22 23:34:58,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:34:58,523 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 [2022-07-22 23:34:58,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:34:58,600 INFO L225 Difference]: With dead ends: 30831 [2022-07-22 23:34:58,600 INFO L226 Difference]: Without dead ends: 15418 [2022-07-22 23:34:58,672 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 [2022-07-22 23:34:58,673 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 [2022-07-22 23:34:58,673 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] [2022-07-22 23:34:58,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15418 states. [2022-07-22 23:34:59,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15418 to 15411. [2022-07-22 23:34:59,235 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) [2022-07-22 23:34:59,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15411 states to 15411 states and 23920 transitions. [2022-07-22 23:34:59,308 INFO L78 Accepts]: Start accepts. Automaton has 15411 states and 23920 transitions. Word has length 52 [2022-07-22 23:34:59,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:34:59,310 INFO L495 AbstractCegarLoop]: Abstraction has 15411 states and 23920 transitions. [2022-07-22 23:34:59,310 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) [2022-07-22 23:34:59,310 INFO L276 IsEmpty]: Start isEmpty. Operand 15411 states and 23920 transitions. [2022-07-22 23:34:59,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-07-22 23:34:59,324 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:34:59,325 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] [2022-07-22 23:34:59,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-22 23:34:59,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:34:59,525 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:34:59,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:34:59,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1014988615, now seen corresponding path program 1 times [2022-07-22 23:34:59,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:34:59,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1865636937] [2022-07-22 23:34:59,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:34:59,534 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:34:59,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:34:59,535 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) [2022-07-22 23:34:59,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-22 23:35:05,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:35:05,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 4076 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 23:35:05,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:35:06,375 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-22 23:35:06,375 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:35:06,376 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:35:06,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1865636937] [2022-07-22 23:35:06,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1865636937] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:35:06,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:35:06,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 23:35:06,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466235067] [2022-07-22 23:35:06,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:35:06,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 23:35:06,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:35:06,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 23:35:06,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 23:35:06,377 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) [2022-07-22 23:35:08,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:35:08,134 INFO L93 Difference]: Finished difference Result 17383 states and 27245 transitions. [2022-07-22 23:35:08,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 23:35:08,135 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 [2022-07-22 23:35:08,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:35:08,236 INFO L225 Difference]: With dead ends: 17383 [2022-07-22 23:35:08,236 INFO L226 Difference]: Without dead ends: 16563 [2022-07-22 23:35:08,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-22 23:35:08,263 INFO L413 NwaCegarLoop]: 4087 mSDtfsCounter, 1798 mSDsluCounter, 10255 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 320 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2022-07-22 23:35:08,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1798 Valid, 14342 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [320 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-22 23:35:08,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16563 states. [2022-07-22 23:35:08,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16563 to 14687. [2022-07-22 23:35:08,940 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) [2022-07-22 23:35:09,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14687 states to 14687 states and 22798 transitions. [2022-07-22 23:35:09,010 INFO L78 Accepts]: Start accepts. Automaton has 14687 states and 22798 transitions. Word has length 52 [2022-07-22 23:35:09,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:35:09,010 INFO L495 AbstractCegarLoop]: Abstraction has 14687 states and 22798 transitions. [2022-07-22 23:35:09,011 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) [2022-07-22 23:35:09,011 INFO L276 IsEmpty]: Start isEmpty. Operand 14687 states and 22798 transitions. [2022-07-22 23:35:09,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-07-22 23:35:09,035 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:35:09,036 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] [2022-07-22 23:35:09,141 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-22 23:35:09,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:35:09,259 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:35:09,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:35:09,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1034130717, now seen corresponding path program 1 times [2022-07-22 23:35:09,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:35:09,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [599730283] [2022-07-22 23:35:09,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:35:09,265 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:35:09,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:35:09,271 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) [2022-07-22 23:35:09,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-22 23:35:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:35:15,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 4144 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 23:35:15,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:35:15,888 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-22 23:35:15,888 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:35:15,888 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:35:15,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [599730283] [2022-07-22 23:35:15,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [599730283] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:35:15,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:35:15,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 23:35:15,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142854831] [2022-07-22 23:35:15,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:35:15,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 23:35:15,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:35:15,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 23:35:15,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 23:35:15,890 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) [2022-07-22 23:35:17,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:35:17,394 INFO L93 Difference]: Finished difference Result 16657 states and 26122 transitions. [2022-07-22 23:35:17,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 23:35:17,396 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 [2022-07-22 23:35:17,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:35:17,396 INFO L225 Difference]: With dead ends: 16657 [2022-07-22 23:35:17,396 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 23:35:17,448 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 [2022-07-22 23:35:17,449 INFO L413 NwaCegarLoop]: 4062 mSDtfsCounter, 2803 mSDsluCounter, 9082 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 446 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.9s IncrementalHoareTripleChecker+Time [2022-07-22 23:35:17,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2803 Valid, 13144 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [446 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-22 23:35:17,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 23:35:17,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 23:35:17,450 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) [2022-07-22 23:35:17,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 23:35:17,453 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2022-07-22 23:35:17,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:35:17,454 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 23:35:17,454 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) [2022-07-22 23:35:17,454 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 23:35:17,454 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 23:35:17,456 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 23:35:17,530 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-22 23:35:17,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:35:17,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.