./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 f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-?-f4b24e3 [2022-07-13 23:55:33,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 23:55:33,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 23:55:33,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 23:55:33,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 23:55:33,302 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 23:55:33,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 23:55:33,307 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 23:55:33,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 23:55:33,313 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 23:55:33,314 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 23:55:33,316 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 23:55:33,316 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 23:55:33,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 23:55:33,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 23:55:33,319 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 23:55:33,320 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 23:55:33,321 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 23:55:33,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 23:55:33,326 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 23:55:33,328 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 23:55:33,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 23:55:33,330 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 23:55:33,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 23:55:33,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 23:55:33,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 23:55:33,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 23:55:33,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 23:55:33,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 23:55:33,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 23:55:33,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 23:55:33,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 23:55:33,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 23:55:33,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 23:55:33,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 23:55:33,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 23:55:33,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 23:55:33,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 23:55:33,341 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 23:55:33,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 23:55:33,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 23:55:33,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 23:55:33,344 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-13 23:55:33,369 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 23:55:33,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 23:55:33,369 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 23:55:33,369 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 23:55:33,370 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 23:55:33,370 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 23:55:33,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 23:55:33,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 23:55:33,371 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 23:55:33,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 23:55:33,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 23:55:33,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 23:55:33,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 23:55:33,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 23:55:33,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 23:55:33,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 23:55:33,372 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 23:55:33,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 23:55:33,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 23:55:33,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 23:55:33,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 23:55:33,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:55:33,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 23:55:33,373 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 23:55:33,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 23:55:33,374 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 23:55:33,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 23:55:33,374 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 23:55:33,374 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 23:55:33,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 23:55:33,375 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 924a6955b6ce3440b57760793c2baba08166e0c083aedead61a1cd1c863c6081 [2022-07-13 23:55:33,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 23:55:33,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 23:55:33,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 23:55:33,571 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 23:55:33,571 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 23:55:33,572 INFO L432 ainManager$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 [2022-07-13 23:55:33,610 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef6780e01/71bfcdd37f0e49de820eb6555aaa6f2f/FLAG8138de3b8 [2022-07-13 23:55:34,259 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 23:55:34,259 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 [2022-07-13 23:55:34,295 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef6780e01/71bfcdd37f0e49de820eb6555aaa6f2f/FLAG8138de3b8 [2022-07-13 23:55:34,649 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef6780e01/71bfcdd37f0e49de820eb6555aaa6f2f [2022-07-13 23:55:34,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 23:55:34,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 23:55:34,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 23:55:34,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 23:55:34,657 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 23:55:34,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:55:34" (1/1) ... [2022-07-13 23:55:34,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@707e3ca5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:55:34, skipping insertion in model container [2022-07-13 23:55:34,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:55:34" (1/1) ... [2022-07-13 23:55:34,662 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 23:55:34,755 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 23:55:36,043 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] [2022-07-13 23:55:36,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:55:36,153 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 23:55:36,437 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) [2022-07-13 23:55:36,444 INFO L158 Benchmark]: Toolchain (without parser) took 1789.86ms. Allocated memory was 92.3MB in the beginning and 172.0MB in the end (delta: 79.7MB). Free memory was 56.5MB in the beginning and 98.5MB in the end (delta: -42.0MB). Peak memory consumption was 80.4MB. Max. memory is 16.1GB. [2022-07-13 23:55:36,445 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 92.3MB. Free memory was 70.2MB in the beginning and 70.2MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 23:55:36,446 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1788.53ms. Allocated memory was 92.3MB in the beginning and 172.0MB in the end (delta: 79.7MB). Free memory was 56.3MB in the beginning and 98.5MB in the end (delta: -42.2MB). Peak memory consumption was 80.4MB. Max. memory is 16.1GB. [2022-07-13 23:55:36,447 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 92.3MB. Free memory was 70.2MB in the beginning and 70.2MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1788.53ms. Allocated memory was 92.3MB in the beginning and 172.0MB in the end (delta: 79.7MB). Free memory was 56.3MB in the beginning and 98.5MB in the end (delta: -42.2MB). Peak memory consumption was 80.4MB. 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-?-f4b24e3 [2022-07-13 23:55:37,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 23:55:37,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 23:55:37,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 23:55:37,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 23:55:37,976 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 23:55:37,979 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 23:55:37,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 23:55:37,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 23:55:37,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 23:55:37,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 23:55:37,989 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 23:55:37,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 23:55:37,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 23:55:37,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 23:55:37,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 23:55:37,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 23:55:37,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 23:55:37,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 23:55:38,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 23:55:38,003 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 23:55:38,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 23:55:38,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 23:55:38,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 23:55:38,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 23:55:38,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 23:55:38,011 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 23:55:38,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 23:55:38,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 23:55:38,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 23:55:38,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 23:55:38,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 23:55:38,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 23:55:38,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 23:55:38,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 23:55:38,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 23:55:38,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 23:55:38,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 23:55:38,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 23:55:38,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 23:55:38,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 23:55:38,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 23:55:38,022 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-13 23:55:38,047 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 23:55:38,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 23:55:38,048 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 23:55:38,048 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 23:55:38,048 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 23:55:38,049 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 23:55:38,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 23:55:38,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 23:55:38,050 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 23:55:38,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 23:55:38,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 23:55:38,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 23:55:38,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 23:55:38,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 23:55:38,058 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-13 23:55:38,058 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-13 23:55:38,058 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-13 23:55:38,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 23:55:38,058 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 23:55:38,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 23:55:38,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 23:55:38,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 23:55:38,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 23:55:38,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:55:38,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 23:55:38,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 23:55:38,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 23:55:38,060 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-13 23:55:38,060 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-13 23:55:38,060 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 23:55:38,060 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 23:55:38,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 23:55:38,061 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-13 23:55:38,061 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 924a6955b6ce3440b57760793c2baba08166e0c083aedead61a1cd1c863c6081 [2022-07-13 23:55:38,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 23:55:38,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 23:55:38,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 23:55:38,335 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 23:55:38,335 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 23:55:38,336 INFO L432 ainManager$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 [2022-07-13 23:55:38,379 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/261fb353b/182957b8b58a405caca2aa7710bfbf7e/FLAGee9b1e2b7 [2022-07-13 23:55:39,056 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 23:55:39,056 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 [2022-07-13 23:55:39,099 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/261fb353b/182957b8b58a405caca2aa7710bfbf7e/FLAGee9b1e2b7 [2022-07-13 23:55:39,133 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/261fb353b/182957b8b58a405caca2aa7710bfbf7e [2022-07-13 23:55:39,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 23:55:39,136 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 23:55:39,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 23:55:39,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 23:55:39,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 23:55:39,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:55:39" (1/1) ... [2022-07-13 23:55:39,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f416abb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:55:39, skipping insertion in model container [2022-07-13 23:55:39,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:55:39" (1/1) ... [2022-07-13 23:55:39,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 23:55:39,262 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 23:55:40,769 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] [2022-07-13 23:55:40,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:55:40,910 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-13 23:55:40,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 23:55:41,214 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] [2022-07-13 23:55:41,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:55:41,251 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 23:55:41,579 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] [2022-07-13 23:55:41,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:55:41,766 INFO L208 MainTranslator]: Completed translation [2022-07-13 23:55:41,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:55:41 WrapperNode [2022-07-13 23:55:41,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 23:55:41,768 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 23:55:41,768 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 23:55:41,768 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 23:55:41,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:55:41" (1/1) ... [2022-07-13 23:55:41,845 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:55:41" (1/1) ... [2022-07-13 23:55:41,964 INFO L137 Inliner]: procedures = 246, calls = 4052, calls flagged for inlining = 65, calls inlined = 61, statements flattened = 5716 [2022-07-13 23:55:41,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 23:55:41,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 23:55:41,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 23:55:41,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 23:55:41,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:55:41" (1/1) ... [2022-07-13 23:55:41,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:55:41" (1/1) ... [2022-07-13 23:55:41,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:55:41" (1/1) ... [2022-07-13 23:55:41,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:55:41" (1/1) ... [2022-07-13 23:55:42,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:55:41" (1/1) ... [2022-07-13 23:55:42,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:55:41" (1/1) ... [2022-07-13 23:55:42,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:55:41" (1/1) ... [2022-07-13 23:55:42,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 23:55:42,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 23:55:42,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 23:55:42,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 23:55:42,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:55:41" (1/1) ... [2022-07-13 23:55:42,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:55:42,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:55:42,251 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) [2022-07-13 23:55:42,262 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 [2022-07-13 23:55:42,280 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-13 23:55:42,280 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-13 23:55:42,281 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_read_reg [2022-07-13 23:55:42,281 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_read_reg [2022-07-13 23:55:42,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-13 23:55:42,281 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury [2022-07-13 23:55:42,281 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury [2022-07-13 23:55:42,281 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-13 23:55:42,281 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-13 23:55:42,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-13 23:55:42,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-13 23:55:42,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-13 23:55:42,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-13 23:55:42,282 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_atsc [2022-07-13 23:55:42,282 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_atsc [2022-07-13 23:55:42,282 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-13 23:55:42,282 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-13 23:55:42,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-13 23:55:42,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-13 23:55:42,283 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury [2022-07-13 23:55:42,283 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury [2022-07-13 23:55:42,283 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2160_frontend_attach [2022-07-13 23:55:42,283 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2160_frontend_attach [2022-07-13 23:55:42,283 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_stop [2022-07-13 23:55:42,284 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_stop [2022-07-13 23:55:42,284 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-13 23:55:42,284 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-13 23:55:42,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-13 23:55:42,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-13 23:55:42,284 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_config_pin_mux_modes [2022-07-13 23:55:42,284 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_config_pin_mux_modes [2022-07-13 23:55:42,284 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_start [2022-07-13 23:55:42,285 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_start [2022-07-13 23:55:42,285 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2022-07-13 23:55:42,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2022-07-13 23:55:42,285 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_isoc [2022-07-13 23:55:42,285 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_isoc [2022-07-13 23:55:42,285 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mh [2022-07-13 23:55:42,285 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mh [2022-07-13 23:55:42,285 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc [2022-07-13 23:55:42,286 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc [2022-07-13 23:55:42,286 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep6_streaming_ctrl [2022-07-13 23:55:42,286 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep6_streaming_ctrl [2022-07-13 23:55:42,286 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg_mask [2022-07-13 23:55:42,286 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg_mask [2022-07-13 23:55:42,286 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_soft_reset [2022-07-13 23:55:42,286 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_soft_reset [2022-07-13 23:55:42,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 23:55:42,287 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_bulk [2022-07-13 23:55:42,287 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_bulk [2022-07-13 23:55:42,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_atsc_release_6 [2022-07-13 23:55:42,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_atsc_release_6 [2022-07-13 23:55:42,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_mh_release_5 [2022-07-13 23:55:42,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_mh_release_5 [2022-07-13 23:55:42,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_mercury_mh_release_2 [2022-07-13 23:55:42,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_mercury_mh_release_2 [2022-07-13 23:55:42,288 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init [2022-07-13 23:55:42,288 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init [2022-07-13 23:55:42,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_mercury_release_3 [2022-07-13 23:55:42,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_mercury_release_3 [2022-07-13 23:55:42,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-13 23:55:42,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_atsc_mh_release_4 [2022-07-13 23:55:42,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_atsc_mh_release_4 [2022-07-13 23:55:42,289 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_tuner_demod [2022-07-13 23:55:42,289 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_tuner_demod [2022-07-13 23:55:42,289 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_dvbt [2022-07-13 23:55:42,289 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_dvbt [2022-07-13 23:55:42,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-13 23:55:42,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-13 23:55:42,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 23:55:42,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-13 23:55:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_bitbang_sendbyte [2022-07-13 23:55:42,290 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_bitbang_sendbyte [2022-07-13 23:55:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-13 23:55:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-13 23:55:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-13 23:55:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-13 23:55:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-13 23:55:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-13 23:55:42,291 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-13 23:55:42,291 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_check_status [2022-07-13 23:55:42,291 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_check_status [2022-07-13 23:55:42,291 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep5_streaming_ctrl [2022-07-13 23:55:42,291 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep5_streaming_ctrl [2022-07-13 23:55:42,291 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_msg [2022-07-13 23:55:42,291 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_msg [2022-07-13 23:55:42,291 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_dvbt [2022-07-13 23:55:42,292 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_dvbt [2022-07-13 23:55:42,292 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mh [2022-07-13 23:55:42,292 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mh [2022-07-13 23:55:42,292 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep4_streaming_ctrl [2022-07-13 23:55:42,292 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep4_streaming_ctrl [2022-07-13 23:55:42,292 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_gpio [2022-07-13 23:55:42,292 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_gpio [2022-07-13 23:55:42,292 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-13 23:55:42,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-13 23:55:42,293 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_atsc_mh [2022-07-13 23:55:42,293 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_atsc_mh [2022-07-13 23:55:42,293 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-13 23:55:42,293 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-13 23:55:42,293 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_get_chip_info [2022-07-13 23:55:42,293 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_get_chip_info [2022-07-13 23:55:42,293 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mercury_mh [2022-07-13 23:55:42,294 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mercury_mh [2022-07-13 23:55:42,294 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-13 23:55:42,294 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-13 23:55:42,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-13 23:55:42,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-13 23:55:42,294 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_enable_usb_output [2022-07-13 23:55:42,294 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_enable_usb_output [2022-07-13 23:55:42,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-13 23:55:42,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-13 23:55:42,295 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-13 23:55:42,295 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-13 23:55:42,295 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_tuner [2022-07-13 23:55:42,295 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_tuner [2022-07-13 23:55:42,295 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-13 23:55:42,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-13 23:55:42,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-13 23:55:42,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-13 23:55:42,296 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_hw_set_gpio [2022-07-13 23:55:42,296 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_hw_set_gpio [2022-07-13 23:55:42,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-13 23:55:42,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_dvbt_release_7 [2022-07-13 23:55:42,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_dvbt_release_7 [2022-07-13 23:55:42,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 23:55:42,297 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_set_device_mode [2022-07-13 23:55:42,297 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_set_device_mode [2022-07-13 23:55:42,297 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_program_regs [2022-07-13 23:55:42,297 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_program_regs [2022-07-13 23:55:42,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-13 23:55:42,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-13 23:55:42,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-13 23:55:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-13 23:55:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_atsc_mh [2022-07-13 23:55:42,298 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_atsc_mh [2022-07-13 23:55:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_gpio_mode_switch [2022-07-13 23:55:42,298 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_gpio_mode_switch [2022-07-13 23:55:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2022-07-13 23:55:42,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2022-07-13 23:55:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mercury [2022-07-13 23:55:42,298 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mercury [2022-07-13 23:55:42,299 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg [2022-07-13 23:55:42,299 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg [2022-07-13 23:55:42,299 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ant_hunt [2022-07-13 23:55:42,299 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ant_hunt [2022-07-13 23:55:42,299 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_ant_path [2022-07-13 23:55:42,299 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_ant_path [2022-07-13 23:55:42,299 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_port_expander [2022-07-13 23:55:42,299 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_port_expander [2022-07-13 23:55:42,299 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_disconnect [2022-07-13 23:55:42,300 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_disconnect [2022-07-13 23:55:42,300 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-13 23:55:42,300 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-13 23:55:42,300 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_demod [2022-07-13 23:55:42,300 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_demod [2022-07-13 23:55:42,300 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_send_data [2022-07-13 23:55:42,300 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_send_data [2022-07-13 23:55:42,300 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_resume [2022-07-13 23:55:42,301 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_resume [2022-07-13 23:55:42,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-13 23:55:42,301 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_get_data [2022-07-13 23:55:42,301 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_get_data [2022-07-13 23:55:42,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 23:55:42,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 23:55:42,301 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_probe [2022-07-13 23:55:42,301 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_probe [2022-07-13 23:55:42,301 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_top_master_ctrl [2022-07-13 23:55:42,302 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_top_master_ctrl [2022-07-13 23:55:42,922 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 23:55:42,923 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 23:57:29,028 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 23:57:29,067 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 23:57:29,069 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-13 23:57:29,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:57:29 BoogieIcfgContainer [2022-07-13 23:57:29,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 23:57:29,078 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 23:57:29,078 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 23:57:29,080 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 23:57:29,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 11:55:39" (1/3) ... [2022-07-13 23:57:29,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e332e18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:57:29, skipping insertion in model container [2022-07-13 23:57:29,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:55:41" (2/3) ... [2022-07-13 23:57:29,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e332e18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:57:29, skipping insertion in model container [2022-07-13 23:57:29,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:57:29" (3/3) ... [2022-07-13 23:57:29,083 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 [2022-07-13 23:57:29,094 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 23:57:29,094 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 23:57:29,148 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 23:57:29,152 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@5ca7a7a3, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3095f985 [2022-07-13 23:57:29,152 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 23:57:29,160 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) [2022-07-13 23:57:29,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-13 23:57:29,176 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:57:29,176 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] [2022-07-13 23:57:29,176 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:57:29,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:57:29,180 INFO L85 PathProgramCache]: Analyzing trace with hash -2102665398, now seen corresponding path program 1 times [2022-07-13 23:57:29,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:57:29,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [278300010] [2022-07-13 23:57:29,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:57:29,200 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:57:29,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:57:29,208 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) [2022-07-13 23:57:29,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-13 23:57:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:57:34,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 3950 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 23:57:34,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:57:35,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:57:35,255 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:57:35,256 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:57:35,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [278300010] [2022-07-13 23:57:35,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [278300010] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:57:35,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:57:35,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:57:35,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127127391] [2022-07-13 23:57:35,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:57:35,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:57:35,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:57:35,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:57:35,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:57:35,291 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) [2022-07-13 23:57:36,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:57:36,166 INFO L93 Difference]: Finished difference Result 6429 states and 9972 transitions. [2022-07-13 23:57:36,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:57:36,168 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 [2022-07-13 23:57:36,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:57:36,200 INFO L225 Difference]: With dead ends: 6429 [2022-07-13 23:57:36,200 INFO L226 Difference]: Without dead ends: 4274 [2022-07-13 23:57:36,214 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 [2022-07-13 23:57:36,217 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 [2022-07-13 23:57:36,217 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] [2022-07-13 23:57:36,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4274 states. [2022-07-13 23:57:36,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4274 to 4270. [2022-07-13 23:57:36,379 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) [2022-07-13 23:57:36,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4270 states to 4270 states and 6616 transitions. [2022-07-13 23:57:36,404 INFO L78 Accepts]: Start accepts. Automaton has 4270 states and 6616 transitions. Word has length 23 [2022-07-13 23:57:36,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:57:36,405 INFO L495 AbstractCegarLoop]: Abstraction has 4270 states and 6616 transitions. [2022-07-13 23:57:36,405 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) [2022-07-13 23:57:36,405 INFO L276 IsEmpty]: Start isEmpty. Operand 4270 states and 6616 transitions. [2022-07-13 23:57:36,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-13 23:57:36,409 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:57:36,409 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] [2022-07-13 23:57:36,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-13 23:57:36,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 23:57:36,632 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:57:36,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:57:36,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1478050918, now seen corresponding path program 1 times [2022-07-13 23:57:36,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:57:36,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [633295818] [2022-07-13 23:57:36,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:57:36,639 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:57:36,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:57:36,640 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) [2022-07-13 23:57:36,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-13 23:57:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:57:42,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 3988 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 23:57:42,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:57:42,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:57:42,505 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:57:42,505 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:57:42,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [633295818] [2022-07-13 23:57:42,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [633295818] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:57:42,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:57:42,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:57:42,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533597750] [2022-07-13 23:57:42,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:57:42,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:57:42,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:57:42,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:57:42,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:57:42,508 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) [2022-07-13 23:57:43,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:57:43,249 INFO L93 Difference]: Finished difference Result 12018 states and 18636 transitions. [2022-07-13 23:57:43,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:57:43,249 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 [2022-07-13 23:57:43,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:57:43,291 INFO L225 Difference]: With dead ends: 12018 [2022-07-13 23:57:43,291 INFO L226 Difference]: Without dead ends: 7751 [2022-07-13 23:57:43,314 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 [2022-07-13 23:57:43,315 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 [2022-07-13 23:57:43,316 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] [2022-07-13 23:57:43,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7751 states. [2022-07-13 23:57:43,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7751 to 7735. [2022-07-13 23:57:43,612 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) [2022-07-13 23:57:43,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7735 states to 7735 states and 12002 transitions. [2022-07-13 23:57:43,650 INFO L78 Accepts]: Start accepts. Automaton has 7735 states and 12002 transitions. Word has length 25 [2022-07-13 23:57:43,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:57:43,651 INFO L495 AbstractCegarLoop]: Abstraction has 7735 states and 12002 transitions. [2022-07-13 23:57:43,651 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) [2022-07-13 23:57:43,651 INFO L276 IsEmpty]: Start isEmpty. Operand 7735 states and 12002 transitions. [2022-07-13 23:57:43,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-13 23:57:43,655 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:57:43,655 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] [2022-07-13 23:57:43,731 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-13 23:57:43,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 23:57:43,871 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:57:43,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:57:43,872 INFO L85 PathProgramCache]: Analyzing trace with hash -102917605, now seen corresponding path program 1 times [2022-07-13 23:57:43,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:57:43,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1563487674] [2022-07-13 23:57:43,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:57:43,875 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:57:43,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:57:43,882 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) [2022-07-13 23:57:43,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-13 23:57:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:57:49,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 3974 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 23:57:49,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:57:50,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:57:50,362 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:57:50,362 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:57:50,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1563487674] [2022-07-13 23:57:50,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1563487674] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:57:50,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:57:50,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:57:50,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649060341] [2022-07-13 23:57:50,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:57:50,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:57:50,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:57:50,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:57:50,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:57:50,363 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) [2022-07-13 23:57:50,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:57:50,896 INFO L93 Difference]: Finished difference Result 7737 states and 12003 transitions. [2022-07-13 23:57:50,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:57:50,896 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 [2022-07-13 23:57:50,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:57:50,934 INFO L225 Difference]: With dead ends: 7737 [2022-07-13 23:57:50,934 INFO L226 Difference]: Without dead ends: 7734 [2022-07-13 23:57:50,941 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 [2022-07-13 23:57:50,943 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, 0.4s IncrementalHoareTripleChecker+Time [2022-07-13 23:57:50,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3301 Valid, 3322 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-13 23:57:50,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7734 states. [2022-07-13 23:57:51,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7734 to 7734. [2022-07-13 23:57:51,201 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) [2022-07-13 23:57:51,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7734 states to 7734 states and 12000 transitions. [2022-07-13 23:57:51,229 INFO L78 Accepts]: Start accepts. Automaton has 7734 states and 12000 transitions. Word has length 25 [2022-07-13 23:57:51,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:57:51,229 INFO L495 AbstractCegarLoop]: Abstraction has 7734 states and 12000 transitions. [2022-07-13 23:57:51,230 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) [2022-07-13 23:57:51,230 INFO L276 IsEmpty]: Start isEmpty. Operand 7734 states and 12000 transitions. [2022-07-13 23:57:51,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-13 23:57:51,233 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:57:51,233 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] [2022-07-13 23:57:51,302 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-13 23:57:51,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 23:57:51,447 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:57:51,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:57:51,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1103793899, now seen corresponding path program 1 times [2022-07-13 23:57:51,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:57:51,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1722062904] [2022-07-13 23:57:51,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:57:51,451 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:57:51,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:57:51,453 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) [2022-07-13 23:57:51,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-13 23:57:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:57:56,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 3975 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 23:57:56,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:57:57,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:57:57,676 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:57:57,677 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:57:57,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1722062904] [2022-07-13 23:57:57,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1722062904] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:57:57,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:57:57,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:57:57,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880051451] [2022-07-13 23:57:57,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:57:57,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:57:57,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:57:57,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:57:57,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:57:57,678 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) [2022-07-13 23:57:58,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:57:58,250 INFO L93 Difference]: Finished difference Result 7736 states and 12001 transitions. [2022-07-13 23:57:58,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:57:58,252 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 [2022-07-13 23:57:58,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:57:58,302 INFO L225 Difference]: With dead ends: 7736 [2022-07-13 23:57:58,302 INFO L226 Difference]: Without dead ends: 7733 [2022-07-13 23:57:58,310 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 [2022-07-13 23:57:58,311 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, 0.4s IncrementalHoareTripleChecker+Time [2022-07-13 23:57:58,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3298 Valid, 3320 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-13 23:57:58,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7733 states. [2022-07-13 23:57:58,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7733 to 7733. [2022-07-13 23:57:58,559 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) [2022-07-13 23:57:58,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7733 states to 7733 states and 11998 transitions. [2022-07-13 23:57:58,586 INFO L78 Accepts]: Start accepts. Automaton has 7733 states and 11998 transitions. Word has length 26 [2022-07-13 23:57:58,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:57:58,586 INFO L495 AbstractCegarLoop]: Abstraction has 7733 states and 11998 transitions. [2022-07-13 23:57:58,586 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) [2022-07-13 23:57:58,586 INFO L276 IsEmpty]: Start isEmpty. Operand 7733 states and 11998 transitions. [2022-07-13 23:57:58,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-07-13 23:57:58,589 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:57:58,589 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] [2022-07-13 23:57:58,667 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-13 23:57:58,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 23:57:58,815 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:57:58,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:57:58,816 INFO L85 PathProgramCache]: Analyzing trace with hash -142850274, now seen corresponding path program 1 times [2022-07-13 23:57:58,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:57:58,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1922729177] [2022-07-13 23:57:58,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:57:58,819 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:57:58,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:57:58,821 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) [2022-07-13 23:57:58,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-13 23:58:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:04,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 3976 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 23:58:04,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:58:05,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:58:05,231 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:58:05,231 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:58:05,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1922729177] [2022-07-13 23:58:05,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1922729177] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:58:05,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:58:05,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:58:05,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171114891] [2022-07-13 23:58:05,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:58:05,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:58:05,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:58:05,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:58:05,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:58:05,232 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) [2022-07-13 23:58:06,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:58:06,165 INFO L93 Difference]: Finished difference Result 23165 states and 35955 transitions. [2022-07-13 23:58:06,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:58:06,165 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 [2022-07-13 23:58:06,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:58:06,219 INFO L225 Difference]: With dead ends: 23165 [2022-07-13 23:58:06,219 INFO L226 Difference]: Without dead ends: 15435 [2022-07-13 23:58:06,250 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 [2022-07-13 23:58:06,251 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 [2022-07-13 23:58:06,251 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] [2022-07-13 23:58:06,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15435 states. [2022-07-13 23:58:06,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15435 to 15427. [2022-07-13 23:58:06,816 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) [2022-07-13 23:58:06,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15427 states to 15427 states and 23946 transitions. [2022-07-13 23:58:06,880 INFO L78 Accepts]: Start accepts. Automaton has 15427 states and 23946 transitions. Word has length 27 [2022-07-13 23:58:06,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:58:06,881 INFO L495 AbstractCegarLoop]: Abstraction has 15427 states and 23946 transitions. [2022-07-13 23:58:06,881 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) [2022-07-13 23:58:06,881 INFO L276 IsEmpty]: Start isEmpty. Operand 15427 states and 23946 transitions. [2022-07-13 23:58:06,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-13 23:58:06,885 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:58:06,885 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] [2022-07-13 23:58:06,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-13 23:58:07,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 23:58:07,112 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:58:07,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:58:07,112 INFO L85 PathProgramCache]: Analyzing trace with hash -134109106, now seen corresponding path program 1 times [2022-07-13 23:58:07,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:58:07,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [779321378] [2022-07-13 23:58:07,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:58:07,115 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:58:07,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:58:07,117 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) [2022-07-13 23:58:07,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-13 23:58:12,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:12,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 3977 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 23:58:12,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:58:13,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:58:13,583 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:58:13,583 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:58:13,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [779321378] [2022-07-13 23:58:13,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [779321378] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:58:13,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:58:13,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:58:13,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743054380] [2022-07-13 23:58:13,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:58:13,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:58:13,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:58:13,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:58:13,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:58:13,584 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) [2022-07-13 23:58:14,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:58:14,232 INFO L93 Difference]: Finished difference Result 15429 states and 23947 transitions. [2022-07-13 23:58:14,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:58:14,232 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 [2022-07-13 23:58:14,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:58:14,285 INFO L225 Difference]: With dead ends: 15429 [2022-07-13 23:58:14,285 INFO L226 Difference]: Without dead ends: 15426 [2022-07-13 23:58:14,293 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 [2022-07-13 23:58:14,295 INFO L413 NwaCegarLoop]: 3318 mSDtfsCounter, 3294 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3294 SdHoareTripleChecker+Valid, 3318 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-13 23:58:14,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3294 Valid, 3318 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-13 23:58:14,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15426 states. [2022-07-13 23:58:14,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15426 to 15426. [2022-07-13 23:58:14,657 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) [2022-07-13 23:58:14,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15426 states to 15426 states and 23944 transitions. [2022-07-13 23:58:14,779 INFO L78 Accepts]: Start accepts. Automaton has 15426 states and 23944 transitions. Word has length 28 [2022-07-13 23:58:14,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:58:14,780 INFO L495 AbstractCegarLoop]: Abstraction has 15426 states and 23944 transitions. [2022-07-13 23:58:14,780 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) [2022-07-13 23:58:14,780 INFO L276 IsEmpty]: Start isEmpty. Operand 15426 states and 23944 transitions. [2022-07-13 23:58:14,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-07-13 23:58:14,785 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:58:14,785 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] [2022-07-13 23:58:14,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-13 23:58:15,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 23:58:15,007 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:58:15,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:58:15,008 INFO L85 PathProgramCache]: Analyzing trace with hash 136871969, now seen corresponding path program 1 times [2022-07-13 23:58:15,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:58:15,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1934909873] [2022-07-13 23:58:15,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:58:15,013 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:58:15,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:58:15,014 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) [2022-07-13 23:58:15,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-13 23:58:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:20,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 3978 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 23:58:20,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:58:21,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:58:21,729 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:58:21,729 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:58:21,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1934909873] [2022-07-13 23:58:21,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1934909873] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:58:21,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:58:21,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:58:21,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198231710] [2022-07-13 23:58:21,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:58:21,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:58:21,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:58:21,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:58:21,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:58:21,731 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) [2022-07-13 23:58:22,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:58:22,376 INFO L93 Difference]: Finished difference Result 15428 states and 23945 transitions. [2022-07-13 23:58:22,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:58:22,449 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 [2022-07-13 23:58:22,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:58:22,515 INFO L225 Difference]: With dead ends: 15428 [2022-07-13 23:58:22,515 INFO L226 Difference]: Without dead ends: 15416 [2022-07-13 23:58:22,528 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 [2022-07-13 23:58:22,529 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 [2022-07-13 23:58:22,529 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] [2022-07-13 23:58:22,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15416 states. [2022-07-13 23:58:22,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15416 to 15416. [2022-07-13 23:58:23,009 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) [2022-07-13 23:58:23,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15416 states to 15416 states and 23929 transitions. [2022-07-13 23:58:23,064 INFO L78 Accepts]: Start accepts. Automaton has 15416 states and 23929 transitions. Word has length 29 [2022-07-13 23:58:23,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:58:23,064 INFO L495 AbstractCegarLoop]: Abstraction has 15416 states and 23929 transitions. [2022-07-13 23:58:23,064 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) [2022-07-13 23:58:23,065 INFO L276 IsEmpty]: Start isEmpty. Operand 15416 states and 23929 transitions. [2022-07-13 23:58:23,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-07-13 23:58:23,076 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:58:23,077 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] [2022-07-13 23:58:23,171 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-13 23:58:23,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 23:58:23,296 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:58:23,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:58:23,296 INFO L85 PathProgramCache]: Analyzing trace with hash 334930245, now seen corresponding path program 1 times [2022-07-13 23:58:23,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:58:23,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [250421319] [2022-07-13 23:58:23,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:58:23,300 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:58:23,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:58:23,305 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) [2022-07-13 23:58:23,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-13 23:58:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:29,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 4077 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 23:58:29,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:58:29,614 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-13 23:58:29,614 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:58:29,614 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:58:29,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [250421319] [2022-07-13 23:58:29,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [250421319] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:58:29,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:58:29,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:58:29,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568695359] [2022-07-13 23:58:29,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:58:29,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:58:29,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:58:29,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:58:29,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:58:29,615 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) [2022-07-13 23:58:30,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:58:30,568 INFO L93 Difference]: Finished difference Result 30831 states and 47856 transitions. [2022-07-13 23:58:30,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:58:30,568 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 [2022-07-13 23:58:30,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:58:30,632 INFO L225 Difference]: With dead ends: 30831 [2022-07-13 23:58:30,633 INFO L226 Difference]: Without dead ends: 15418 [2022-07-13 23:58:30,694 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 [2022-07-13 23:58:30,694 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 [2022-07-13 23:58:30,694 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] [2022-07-13 23:58:30,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15418 states. [2022-07-13 23:58:31,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15418 to 15411. [2022-07-13 23:58:31,086 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) [2022-07-13 23:58:31,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15411 states to 15411 states and 23920 transitions. [2022-07-13 23:58:31,130 INFO L78 Accepts]: Start accepts. Automaton has 15411 states and 23920 transitions. Word has length 52 [2022-07-13 23:58:31,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:58:31,131 INFO L495 AbstractCegarLoop]: Abstraction has 15411 states and 23920 transitions. [2022-07-13 23:58:31,132 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) [2022-07-13 23:58:31,132 INFO L276 IsEmpty]: Start isEmpty. Operand 15411 states and 23920 transitions. [2022-07-13 23:58:31,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-07-13 23:58:31,141 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:58:31,141 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] [2022-07-13 23:58:31,201 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-07-13 23:58:31,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 23:58:31,359 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:58:31,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:58:31,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1014988615, now seen corresponding path program 1 times [2022-07-13 23:58:31,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:58:31,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [766800115] [2022-07-13 23:58:31,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:58:31,364 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:58:31,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:58:31,366 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) [2022-07-13 23:58:31,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-13 23:58:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:37,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 4076 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-13 23:58:37,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:58:37,504 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-13 23:58:37,504 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:58:37,505 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:58:37,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [766800115] [2022-07-13 23:58:37,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [766800115] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:58:37,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:58:37,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 23:58:37,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700685913] [2022-07-13 23:58:37,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:58:37,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 23:58:37,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:58:37,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 23:58:37,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 23:58:37,506 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) [2022-07-13 23:58:38,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:58:38,757 INFO L93 Difference]: Finished difference Result 17383 states and 27245 transitions. [2022-07-13 23:58:38,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 23:58:38,758 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 [2022-07-13 23:58:38,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:58:38,874 INFO L225 Difference]: With dead ends: 17383 [2022-07-13 23:58:38,874 INFO L226 Difference]: Without dead ends: 16563 [2022-07-13 23:58:38,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-13 23:58:38,885 INFO L413 NwaCegarLoop]: 4087 mSDtfsCounter, 1798 mSDsluCounter, 10255 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 320 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1798 SdHoareTripleChecker+Valid, 14342 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 320 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-13 23:58:38,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1798 Valid, 14342 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [320 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-13 23:58:38,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16563 states. [2022-07-13 23:58:39,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16563 to 14687. [2022-07-13 23:58:39,266 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) [2022-07-13 23:58:39,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14687 states to 14687 states and 22798 transitions. [2022-07-13 23:58:39,424 INFO L78 Accepts]: Start accepts. Automaton has 14687 states and 22798 transitions. Word has length 52 [2022-07-13 23:58:39,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:58:39,424 INFO L495 AbstractCegarLoop]: Abstraction has 14687 states and 22798 transitions. [2022-07-13 23:58:39,424 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) [2022-07-13 23:58:39,424 INFO L276 IsEmpty]: Start isEmpty. Operand 14687 states and 22798 transitions. [2022-07-13 23:58:39,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-07-13 23:58:39,441 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:58:39,441 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] [2022-07-13 23:58:39,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-13 23:58:39,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 23:58:39,664 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:58:39,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:58:39,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1034130717, now seen corresponding path program 1 times [2022-07-13 23:58:39,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:58:39,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [535004103] [2022-07-13 23:58:39,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:58:39,667 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:58:39,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:58:39,682 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) [2022-07-13 23:58:39,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-13 23:58:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:58:45,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 4144 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-13 23:58:45,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:58:45,791 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-13 23:58:45,791 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:58:45,792 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:58:45,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [535004103] [2022-07-13 23:58:45,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [535004103] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:58:45,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:58:45,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 23:58:45,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588748796] [2022-07-13 23:58:45,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:58:45,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 23:58:45,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:58:45,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 23:58:45,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 23:58:45,793 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) [2022-07-13 23:58:47,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:58:47,090 INFO L93 Difference]: Finished difference Result 16657 states and 26122 transitions. [2022-07-13 23:58:47,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 23:58:47,090 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 [2022-07-13 23:58:47,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:58:47,091 INFO L225 Difference]: With dead ends: 16657 [2022-07-13 23:58:47,091 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 23:58:47,200 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 [2022-07-13 23:58:47,201 INFO L413 NwaCegarLoop]: 4062 mSDtfsCounter, 2803 mSDsluCounter, 9082 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 446 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2803 SdHoareTripleChecker+Valid, 13144 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 446 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-13 23:58:47,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2803 Valid, 13144 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [446 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-13 23:58:47,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 23:58:47,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 23:58:47,203 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) [2022-07-13 23:58:47,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 23:58:47,205 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2022-07-13 23:58:47,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:58:47,205 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 23:58:47,205 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) [2022-07-13 23:58:47,205 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 23:58:47,205 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 23:58:47,207 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 23:58:47,269 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2022-07-13 23:58:47,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 23:58:47,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.