./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 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-?-3598765 [2022-07-21 10:49:11,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 10:49:11,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 10:49:11,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 10:49:11,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 10:49:11,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 10:49:11,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 10:49:11,459 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 10:49:11,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 10:49:11,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 10:49:11,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 10:49:11,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 10:49:11,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 10:49:11,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 10:49:11,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 10:49:11,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 10:49:11,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 10:49:11,483 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 10:49:11,485 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 10:49:11,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 10:49:11,491 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 10:49:11,492 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 10:49:11,493 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 10:49:11,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 10:49:11,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 10:49:11,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 10:49:11,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 10:49:11,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 10:49:11,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 10:49:11,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 10:49:11,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 10:49:11,505 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 10:49:11,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 10:49:11,508 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 10:49:11,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 10:49:11,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 10:49:11,511 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 10:49:11,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 10:49:11,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 10:49:11,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 10:49:11,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 10:49:11,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 10:49:11,520 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 10:49:11,560 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 10:49:11,561 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 10:49:11,561 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 10:49:11,562 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 10:49:11,562 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 10:49:11,563 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 10:49:11,564 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 10:49:11,564 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 10:49:11,564 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 10:49:11,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 10:49:11,565 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 10:49:11,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 10:49:11,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 10:49:11,566 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 10:49:11,566 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 10:49:11,566 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 10:49:11,566 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 10:49:11,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 10:49:11,567 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 10:49:11,567 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 10:49:11,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 10:49:11,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 10:49:11,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 10:49:11,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 10:49:11,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 10:49:11,568 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 10:49:11,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 10:49:11,568 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 10:49:11,568 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 10:49:11,569 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 10:49:11,569 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 924a6955b6ce3440b57760793c2baba08166e0c083aedead61a1cd1c863c6081 [2022-07-21 10:49:11,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 10:49:11,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 10:49:11,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 10:49:11,918 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 10:49:11,921 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 10:49:11,924 INFO L432 ainManager$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 [2022-07-21 10:49:11,990 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6aaadde2e/be9d8bef081a47f2a1a1d17cd4d77bfa/FLAG541e9374c [2022-07-21 10:49:12,912 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 10:49:12,913 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 [2022-07-21 10:49:12,959 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6aaadde2e/be9d8bef081a47f2a1a1d17cd4d77bfa/FLAG541e9374c [2022-07-21 10:49:13,014 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6aaadde2e/be9d8bef081a47f2a1a1d17cd4d77bfa [2022-07-21 10:49:13,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 10:49:13,018 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 10:49:13,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 10:49:13,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 10:49:13,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 10:49:13,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:49:13" (1/1) ... [2022-07-21 10:49:13,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@482a0398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:13, skipping insertion in model container [2022-07-21 10:49:13,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:49:13" (1/1) ... [2022-07-21 10:49:13,032 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 10:49:13,152 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 10:49:15,037 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] [2022-07-21 10:49:15,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:49:15,295 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 10:49:15,659 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) [2022-07-21 10:49:15,669 INFO L158 Benchmark]: Toolchain (without parser) took 2644.48ms. Allocated memory was 67.1MB in the beginning and 174.1MB in the end (delta: 107.0MB). Free memory was 42.4MB in the beginning and 100.9MB in the end (delta: -58.5MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. [2022-07-21 10:49:15,670 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 67.1MB. Free memory was 47.9MB in the beginning and 47.9MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 10:49:15,673 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2642.71ms. Allocated memory was 67.1MB in the beginning and 174.1MB in the end (delta: 107.0MB). Free memory was 42.2MB in the beginning and 100.9MB in the end (delta: -58.7MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. [2022-07-21 10:49:15,689 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 67.1MB. Free memory was 47.9MB in the beginning and 47.9MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2642.71ms. Allocated memory was 67.1MB in the beginning and 174.1MB in the end (delta: 107.0MB). Free memory was 42.2MB in the beginning and 100.9MB in the end (delta: -58.7MB). Peak memory consumption was 73.0MB. 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-?-3598765 [2022-07-21 10:49:17,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 10:49:17,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 10:49:17,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 10:49:17,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 10:49:17,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 10:49:17,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 10:49:17,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 10:49:17,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 10:49:17,542 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 10:49:17,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 10:49:17,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 10:49:17,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 10:49:17,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 10:49:17,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 10:49:17,547 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 10:49:17,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 10:49:17,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 10:49:17,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 10:49:17,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 10:49:17,553 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 10:49:17,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 10:49:17,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 10:49:17,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 10:49:17,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 10:49:17,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 10:49:17,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 10:49:17,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 10:49:17,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 10:49:17,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 10:49:17,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 10:49:17,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 10:49:17,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 10:49:17,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 10:49:17,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 10:49:17,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 10:49:17,565 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 10:49:17,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 10:49:17,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 10:49:17,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 10:49:17,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 10:49:17,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 10:49:17,568 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 10:49:17,596 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 10:49:17,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 10:49:17,597 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 10:49:17,597 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 10:49:17,598 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 10:49:17,598 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 10:49:17,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 10:49:17,599 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 10:49:17,600 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 10:49:17,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 10:49:17,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 10:49:17,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 10:49:17,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 10:49:17,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 10:49:17,601 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 10:49:17,601 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 10:49:17,602 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 10:49:17,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 10:49:17,602 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 10:49:17,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 10:49:17,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 10:49:17,603 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 10:49:17,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 10:49:17,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 10:49:17,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 10:49:17,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 10:49:17,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 10:49:17,604 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 10:49:17,605 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 10:49:17,605 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 10:49:17,605 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 10:49:17,605 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 10:49:17,605 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 10:49:17,606 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 924a6955b6ce3440b57760793c2baba08166e0c083aedead61a1cd1c863c6081 [2022-07-21 10:49:17,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 10:49:17,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 10:49:17,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 10:49:17,934 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 10:49:17,935 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 10:49:17,937 INFO L432 ainManager$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 [2022-07-21 10:49:18,003 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6c936971/448a3c39f6024f4aa5c22c574ff100c6/FLAG70bcc9121 [2022-07-21 10:49:18,845 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 10:49:18,845 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 [2022-07-21 10:49:18,893 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6c936971/448a3c39f6024f4aa5c22c574ff100c6/FLAG70bcc9121 [2022-07-21 10:49:19,341 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6c936971/448a3c39f6024f4aa5c22c574ff100c6 [2022-07-21 10:49:19,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 10:49:19,345 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 10:49:19,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 10:49:19,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 10:49:19,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 10:49:19,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:49:19" (1/1) ... [2022-07-21 10:49:19,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21b3e8b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:19, skipping insertion in model container [2022-07-21 10:49:19,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:49:19" (1/1) ... [2022-07-21 10:49:19,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 10:49:19,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 10:49:21,903 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] [2022-07-21 10:49:22,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:49:22,170 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 10:49:22,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 10:49:22,636 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] [2022-07-21 10:49:22,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:49:22,687 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 10:49:23,259 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] [2022-07-21 10:49:23,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:49:23,548 INFO L208 MainTranslator]: Completed translation [2022-07-21 10:49:23,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:23 WrapperNode [2022-07-21 10:49:23,549 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 10:49:23,551 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 10:49:23,551 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 10:49:23,551 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 10:49:23,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:23" (1/1) ... [2022-07-21 10:49:23,675 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:23" (1/1) ... [2022-07-21 10:49:23,838 INFO L137 Inliner]: procedures = 246, calls = 4052, calls flagged for inlining = 65, calls inlined = 61, statements flattened = 5716 [2022-07-21 10:49:23,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 10:49:23,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 10:49:23,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 10:49:23,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 10:49:23,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:23" (1/1) ... [2022-07-21 10:49:23,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:23" (1/1) ... [2022-07-21 10:49:23,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:23" (1/1) ... [2022-07-21 10:49:23,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:23" (1/1) ... [2022-07-21 10:49:24,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:23" (1/1) ... [2022-07-21 10:49:24,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:23" (1/1) ... [2022-07-21 10:49:24,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:23" (1/1) ... [2022-07-21 10:49:24,170 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 10:49:24,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 10:49:24,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 10:49:24,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 10:49:24,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:23" (1/1) ... [2022-07-21 10:49:24,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 10:49:24,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 10:49:24,209 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 10:49:24,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 10:49:24,252 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-21 10:49:24,252 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-21 10:49:24,253 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_read_reg [2022-07-21 10:49:24,253 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_read_reg [2022-07-21 10:49:24,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 10:49:24,253 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury [2022-07-21 10:49:24,253 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury [2022-07-21 10:49:24,253 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 10:49:24,253 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 10:49:24,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 10:49:24,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 10:49:24,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 10:49:24,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 10:49:24,254 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_atsc [2022-07-21 10:49:24,254 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_atsc [2022-07-21 10:49:24,254 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-21 10:49:24,255 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-21 10:49:24,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 10:49:24,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 10:49:24,255 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury [2022-07-21 10:49:24,255 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury [2022-07-21 10:49:24,255 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2160_frontend_attach [2022-07-21 10:49:24,255 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2160_frontend_attach [2022-07-21 10:49:24,256 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_stop [2022-07-21 10:49:24,256 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_stop [2022-07-21 10:49:24,256 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 10:49:24,256 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 10:49:24,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 10:49:24,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 10:49:24,257 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_config_pin_mux_modes [2022-07-21 10:49:24,257 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_config_pin_mux_modes [2022-07-21 10:49:24,257 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_start [2022-07-21 10:49:24,257 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_start [2022-07-21 10:49:24,257 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2022-07-21 10:49:24,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2022-07-21 10:49:24,257 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_isoc [2022-07-21 10:49:24,258 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_isoc [2022-07-21 10:49:24,258 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mh [2022-07-21 10:49:24,258 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mh [2022-07-21 10:49:24,258 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc [2022-07-21 10:49:24,258 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc [2022-07-21 10:49:24,258 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep6_streaming_ctrl [2022-07-21 10:49:24,258 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep6_streaming_ctrl [2022-07-21 10:49:24,259 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg_mask [2022-07-21 10:49:24,259 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg_mask [2022-07-21 10:49:24,259 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_soft_reset [2022-07-21 10:49:24,259 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_soft_reset [2022-07-21 10:49:24,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 10:49:24,259 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_bulk [2022-07-21 10:49:24,260 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_bulk [2022-07-21 10:49:24,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_atsc_release_6 [2022-07-21 10:49:24,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_atsc_release_6 [2022-07-21 10:49:24,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_mh_release_5 [2022-07-21 10:49:24,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_mh_release_5 [2022-07-21 10:49:24,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_mercury_mh_release_2 [2022-07-21 10:49:24,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_mercury_mh_release_2 [2022-07-21 10:49:24,261 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init [2022-07-21 10:49:24,261 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init [2022-07-21 10:49:24,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_mercury_release_3 [2022-07-21 10:49:24,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_mercury_release_3 [2022-07-21 10:49:24,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 10:49:24,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_atsc_mh_release_4 [2022-07-21 10:49:24,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_atsc_mh_release_4 [2022-07-21 10:49:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_tuner_demod [2022-07-21 10:49:24,262 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_tuner_demod [2022-07-21 10:49:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_dvbt [2022-07-21 10:49:24,262 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_dvbt [2022-07-21 10:49:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 10:49:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 10:49:24,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 10:49:24,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 10:49:24,263 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_bitbang_sendbyte [2022-07-21 10:49:24,263 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_bitbang_sendbyte [2022-07-21 10:49:24,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 10:49:24,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-21 10:49:24,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 10:49:24,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 10:49:24,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 10:49:24,264 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-21 10:49:24,264 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-21 10:49:24,264 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_check_status [2022-07-21 10:49:24,264 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_check_status [2022-07-21 10:49:24,264 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep5_streaming_ctrl [2022-07-21 10:49:24,265 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep5_streaming_ctrl [2022-07-21 10:49:24,265 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_msg [2022-07-21 10:49:24,265 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_msg [2022-07-21 10:49:24,265 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_dvbt [2022-07-21 10:49:24,265 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_dvbt [2022-07-21 10:49:24,265 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mh [2022-07-21 10:49:24,265 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mh [2022-07-21 10:49:24,266 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep4_streaming_ctrl [2022-07-21 10:49:24,266 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep4_streaming_ctrl [2022-07-21 10:49:24,266 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_gpio [2022-07-21 10:49:24,266 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_gpio [2022-07-21 10:49:24,266 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-21 10:49:24,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-21 10:49:24,267 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_atsc_mh [2022-07-21 10:49:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_atsc_mh [2022-07-21 10:49:24,267 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-21 10:49:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-21 10:49:24,267 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_get_chip_info [2022-07-21 10:49:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_get_chip_info [2022-07-21 10:49:24,267 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mercury_mh [2022-07-21 10:49:24,268 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mercury_mh [2022-07-21 10:49:24,268 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-21 10:49:24,268 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-21 10:49:24,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 10:49:24,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 10:49:24,268 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_enable_usb_output [2022-07-21 10:49:24,268 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_enable_usb_output [2022-07-21 10:49:24,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 10:49:24,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 10:49:24,269 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-21 10:49:24,269 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-21 10:49:24,269 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_tuner [2022-07-21 10:49:24,269 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_tuner [2022-07-21 10:49:24,269 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-21 10:49:24,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-21 10:49:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 10:49:24,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 10:49:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_hw_set_gpio [2022-07-21 10:49:24,270 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_hw_set_gpio [2022-07-21 10:49:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 10:49:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_dvbt_release_7 [2022-07-21 10:49:24,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_dvbt_release_7 [2022-07-21 10:49:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 10:49:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_set_device_mode [2022-07-21 10:49:24,271 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_set_device_mode [2022-07-21 10:49:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_program_regs [2022-07-21 10:49:24,271 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_program_regs [2022-07-21 10:49:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 10:49:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 10:49:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 10:49:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 10:49:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_atsc_mh [2022-07-21 10:49:24,272 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_atsc_mh [2022-07-21 10:49:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_gpio_mode_switch [2022-07-21 10:49:24,273 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_gpio_mode_switch [2022-07-21 10:49:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2022-07-21 10:49:24,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2022-07-21 10:49:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mercury [2022-07-21 10:49:24,273 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mercury [2022-07-21 10:49:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg [2022-07-21 10:49:24,273 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg [2022-07-21 10:49:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ant_hunt [2022-07-21 10:49:24,274 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ant_hunt [2022-07-21 10:49:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_ant_path [2022-07-21 10:49:24,274 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_ant_path [2022-07-21 10:49:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_port_expander [2022-07-21 10:49:24,274 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_port_expander [2022-07-21 10:49:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_disconnect [2022-07-21 10:49:24,275 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_disconnect [2022-07-21 10:49:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-21 10:49:24,275 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-21 10:49:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_demod [2022-07-21 10:49:24,275 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_demod [2022-07-21 10:49:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_send_data [2022-07-21 10:49:24,275 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_send_data [2022-07-21 10:49:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_resume [2022-07-21 10:49:24,276 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_resume [2022-07-21 10:49:24,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 10:49:24,276 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_get_data [2022-07-21 10:49:24,276 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_get_data [2022-07-21 10:49:24,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 10:49:24,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 10:49:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_probe [2022-07-21 10:49:24,277 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_probe [2022-07-21 10:49:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_top_master_ctrl [2022-07-21 10:49:24,277 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_top_master_ctrl [2022-07-21 10:49:25,088 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 10:49:25,090 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 10:51:16,825 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 10:51:16,846 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 10:51:16,847 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 10:51:16,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:51:16 BoogieIcfgContainer [2022-07-21 10:51:16,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 10:51:16,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 10:51:16,853 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 10:51:16,856 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 10:51:16,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:49:19" (1/3) ... [2022-07-21 10:51:16,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368e028e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:51:16, skipping insertion in model container [2022-07-21 10:51:16,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:23" (2/3) ... [2022-07-21 10:51:16,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368e028e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:51:16, skipping insertion in model container [2022-07-21 10:51:16,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:51:16" (3/3) ... [2022-07-21 10:51:16,858 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 [2022-07-21 10:51:16,871 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 10:51:16,871 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 10:51:16,983 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 10:51:16,989 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@4b1f0283, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@c9f48b8 [2022-07-21 10:51:16,990 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 10:51:17,002 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) [2022-07-21 10:51:17,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-21 10:51:17,037 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:51:17,038 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] [2022-07-21 10:51:17,038 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:51:17,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:51:17,043 INFO L85 PathProgramCache]: Analyzing trace with hash -2102665398, now seen corresponding path program 1 times [2022-07-21 10:51:17,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:51:17,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1420784632] [2022-07-21 10:51:17,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:51:17,064 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:51:17,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:51:17,071 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 10:51:17,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 10:51:22,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:51:22,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 3950 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:51:22,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:51:23,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:51:23,368 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:51:23,369 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:51:23,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1420784632] [2022-07-21 10:51:23,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1420784632] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:51:23,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:51:23,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:51:23,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255315901] [2022-07-21 10:51:23,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:51:23,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:51:23,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:51:23,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:51:23,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:51:23,421 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) [2022-07-21 10:51:24,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:51:24,428 INFO L93 Difference]: Finished difference Result 6429 states and 9972 transitions. [2022-07-21 10:51:24,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:51:24,431 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 [2022-07-21 10:51:24,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:51:24,488 INFO L225 Difference]: With dead ends: 6429 [2022-07-21 10:51:24,488 INFO L226 Difference]: Without dead ends: 4274 [2022-07-21 10:51:24,525 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 [2022-07-21 10:51:24,528 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 [2022-07-21 10:51:24,530 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] [2022-07-21 10:51:24,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4274 states. [2022-07-21 10:51:24,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4274 to 4270. [2022-07-21 10:51:24,802 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) [2022-07-21 10:51:24,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4270 states to 4270 states and 6616 transitions. [2022-07-21 10:51:24,838 INFO L78 Accepts]: Start accepts. Automaton has 4270 states and 6616 transitions. Word has length 23 [2022-07-21 10:51:24,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:51:24,839 INFO L495 AbstractCegarLoop]: Abstraction has 4270 states and 6616 transitions. [2022-07-21 10:51:24,840 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) [2022-07-21 10:51:24,841 INFO L276 IsEmpty]: Start isEmpty. Operand 4270 states and 6616 transitions. [2022-07-21 10:51:24,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-21 10:51:24,849 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:51:24,850 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] [2022-07-21 10:51:24,944 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-21 10:51:25,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:51:25,064 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:51:25,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:51:25,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1478050918, now seen corresponding path program 1 times [2022-07-21 10:51:25,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:51:25,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1896540233] [2022-07-21 10:51:25,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:51:25,075 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:51:25,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:51:25,076 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 10:51:25,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 10:51:30,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:51:30,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 3988 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:51:30,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:51:31,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:51:31,255 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:51:31,255 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:51:31,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1896540233] [2022-07-21 10:51:31,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1896540233] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:51:31,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:51:31,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:51:31,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673838073] [2022-07-21 10:51:31,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:51:31,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:51:31,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:51:31,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:51:31,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:51:31,258 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) [2022-07-21 10:51:32,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:51:32,131 INFO L93 Difference]: Finished difference Result 12018 states and 18636 transitions. [2022-07-21 10:51:32,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:51:32,131 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 [2022-07-21 10:51:32,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:51:32,191 INFO L225 Difference]: With dead ends: 12018 [2022-07-21 10:51:32,192 INFO L226 Difference]: Without dead ends: 7751 [2022-07-21 10:51:32,215 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 [2022-07-21 10:51:32,217 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 [2022-07-21 10:51:32,219 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] [2022-07-21 10:51:32,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7751 states. [2022-07-21 10:51:32,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7751 to 7735. [2022-07-21 10:51:32,545 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) [2022-07-21 10:51:32,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7735 states to 7735 states and 12002 transitions. [2022-07-21 10:51:32,600 INFO L78 Accepts]: Start accepts. Automaton has 7735 states and 12002 transitions. Word has length 25 [2022-07-21 10:51:32,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:51:32,601 INFO L495 AbstractCegarLoop]: Abstraction has 7735 states and 12002 transitions. [2022-07-21 10:51:32,601 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) [2022-07-21 10:51:32,601 INFO L276 IsEmpty]: Start isEmpty. Operand 7735 states and 12002 transitions. [2022-07-21 10:51:32,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-21 10:51:32,606 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:51:32,606 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] [2022-07-21 10:51:32,713 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 10:51:32,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:51:32,820 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:51:32,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:51:32,820 INFO L85 PathProgramCache]: Analyzing trace with hash -102917605, now seen corresponding path program 1 times [2022-07-21 10:51:32,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:51:32,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [598849417] [2022-07-21 10:51:32,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:51:32,826 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:51:32,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:51:32,831 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 10:51:32,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 10:51:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:51:38,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 3974 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:51:38,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:51:39,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:51:39,598 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:51:39,599 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:51:39,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [598849417] [2022-07-21 10:51:39,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [598849417] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:51:39,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:51:39,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:51:39,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275770794] [2022-07-21 10:51:39,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:51:39,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:51:39,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:51:39,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:51:39,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:51:39,601 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) [2022-07-21 10:51:40,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:51:40,175 INFO L93 Difference]: Finished difference Result 7737 states and 12003 transitions. [2022-07-21 10:51:40,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:51:40,176 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 [2022-07-21 10:51:40,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:51:40,229 INFO L225 Difference]: With dead ends: 7737 [2022-07-21 10:51:40,229 INFO L226 Difference]: Without dead ends: 7734 [2022-07-21 10:51:40,241 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 [2022-07-21 10:51:40,244 INFO L413 NwaCegarLoop]: 3322 mSDtfsCounter, 3301 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3301 SdHoareTripleChecker+Valid, 3322 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-21 10:51:40,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3301 Valid, 3322 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-21 10:51:40,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7734 states. [2022-07-21 10:51:40,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7734 to 7734. [2022-07-21 10:51:40,555 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) [2022-07-21 10:51:40,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7734 states to 7734 states and 12000 transitions. [2022-07-21 10:51:40,595 INFO L78 Accepts]: Start accepts. Automaton has 7734 states and 12000 transitions. Word has length 25 [2022-07-21 10:51:40,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:51:40,596 INFO L495 AbstractCegarLoop]: Abstraction has 7734 states and 12000 transitions. [2022-07-21 10:51:40,597 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) [2022-07-21 10:51:40,597 INFO L276 IsEmpty]: Start isEmpty. Operand 7734 states and 12000 transitions. [2022-07-21 10:51:40,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-21 10:51:40,600 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:51:40,600 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] [2022-07-21 10:51:40,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 10:51:40,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:51:40,827 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:51:40,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:51:40,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1103793899, now seen corresponding path program 1 times [2022-07-21 10:51:40,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:51:40,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [30036699] [2022-07-21 10:51:40,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:51:40,835 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:51:40,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:51:40,837 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 10:51:40,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 10:51:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:51:46,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 3975 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:51:46,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:51:47,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:51:47,560 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:51:47,560 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:51:47,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [30036699] [2022-07-21 10:51:47,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [30036699] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:51:47,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:51:47,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:51:47,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31042849] [2022-07-21 10:51:47,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:51:47,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:51:47,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:51:47,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:51:47,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:51:47,562 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) [2022-07-21 10:51:48,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:51:48,275 INFO L93 Difference]: Finished difference Result 7736 states and 12001 transitions. [2022-07-21 10:51:48,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:51:48,278 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 [2022-07-21 10:51:48,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:51:48,341 INFO L225 Difference]: With dead ends: 7736 [2022-07-21 10:51:48,341 INFO L226 Difference]: Without dead ends: 7733 [2022-07-21 10:51:48,349 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 [2022-07-21 10:51:48,351 INFO L413 NwaCegarLoop]: 3320 mSDtfsCounter, 3298 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3298 SdHoareTripleChecker+Valid, 3320 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-21 10:51:48,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3298 Valid, 3320 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-21 10:51:48,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7733 states. [2022-07-21 10:51:48,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7733 to 7733. [2022-07-21 10:51:48,701 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) [2022-07-21 10:51:48,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7733 states to 7733 states and 11998 transitions. [2022-07-21 10:51:48,761 INFO L78 Accepts]: Start accepts. Automaton has 7733 states and 11998 transitions. Word has length 26 [2022-07-21 10:51:48,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:51:48,761 INFO L495 AbstractCegarLoop]: Abstraction has 7733 states and 11998 transitions. [2022-07-21 10:51:48,762 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) [2022-07-21 10:51:48,762 INFO L276 IsEmpty]: Start isEmpty. Operand 7733 states and 11998 transitions. [2022-07-21 10:51:48,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-07-21 10:51:48,766 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:51:48,766 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] [2022-07-21 10:51:48,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 10:51:48,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:51:48,987 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:51:48,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:51:48,988 INFO L85 PathProgramCache]: Analyzing trace with hash -142850274, now seen corresponding path program 1 times [2022-07-21 10:51:48,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:51:48,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1094619909] [2022-07-21 10:51:48,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:51:48,993 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:51:48,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:51:49,011 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 10:51:49,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 10:51:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:51:54,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 3976 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:51:54,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:51:55,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:51:55,725 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:51:55,725 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:51:55,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1094619909] [2022-07-21 10:51:55,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1094619909] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:51:55,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:51:55,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:51:55,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915776862] [2022-07-21 10:51:55,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:51:55,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:51:55,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:51:55,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:51:55,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:51:55,726 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) [2022-07-21 10:51:56,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:51:56,799 INFO L93 Difference]: Finished difference Result 23165 states and 35955 transitions. [2022-07-21 10:51:56,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:51:56,800 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 [2022-07-21 10:51:56,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:51:56,881 INFO L225 Difference]: With dead ends: 23165 [2022-07-21 10:51:56,881 INFO L226 Difference]: Without dead ends: 15435 [2022-07-21 10:51:56,929 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 [2022-07-21 10:51:56,929 INFO L413 NwaCegarLoop]: 5164 mSDtfsCounter, 3290 mSDsluCounter, 3294 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2022-07-21 10:51:56,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3290 Valid, 8458 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-21 10:51:56,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15435 states. [2022-07-21 10:51:57,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15435 to 15427. [2022-07-21 10:51:57,515 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) [2022-07-21 10:51:57,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15427 states to 15427 states and 23946 transitions. [2022-07-21 10:51:57,588 INFO L78 Accepts]: Start accepts. Automaton has 15427 states and 23946 transitions. Word has length 27 [2022-07-21 10:51:57,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:51:57,589 INFO L495 AbstractCegarLoop]: Abstraction has 15427 states and 23946 transitions. [2022-07-21 10:51:57,589 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) [2022-07-21 10:51:57,589 INFO L276 IsEmpty]: Start isEmpty. Operand 15427 states and 23946 transitions. [2022-07-21 10:51:57,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-21 10:51:57,593 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:51:57,593 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] [2022-07-21 10:51:57,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 10:51:57,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:51:57,816 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:51:57,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:51:57,816 INFO L85 PathProgramCache]: Analyzing trace with hash -134109106, now seen corresponding path program 1 times [2022-07-21 10:51:57,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:51:57,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1438518256] [2022-07-21 10:51:57,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:51:57,822 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:51:57,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:51:57,823 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 10:51:57,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 10:52:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:03,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 3977 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:52:03,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:52:04,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:52:04,293 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:52:04,293 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:52:04,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1438518256] [2022-07-21 10:52:04,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1438518256] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:52:04,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:52:04,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:52:04,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554805030] [2022-07-21 10:52:04,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:52:04,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:52:04,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:52:04,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:52:04,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:52:04,294 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) [2022-07-21 10:52:05,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:52:05,082 INFO L93 Difference]: Finished difference Result 15429 states and 23947 transitions. [2022-07-21 10:52:05,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:52:05,083 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 [2022-07-21 10:52:05,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:52:05,328 INFO L225 Difference]: With dead ends: 15429 [2022-07-21 10:52:05,343 INFO L226 Difference]: Without dead ends: 15426 [2022-07-21 10:52:05,353 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 [2022-07-21 10:52:05,355 INFO L413 NwaCegarLoop]: 3318 mSDtfsCounter, 3294 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3294 SdHoareTripleChecker+Valid, 3318 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-21 10:52:05,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3294 Valid, 3318 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-21 10:52:05,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15426 states. [2022-07-21 10:52:06,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15426 to 15426. [2022-07-21 10:52:06,181 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) [2022-07-21 10:52:06,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15426 states to 15426 states and 23944 transitions. [2022-07-21 10:52:06,288 INFO L78 Accepts]: Start accepts. Automaton has 15426 states and 23944 transitions. Word has length 28 [2022-07-21 10:52:06,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:52:06,290 INFO L495 AbstractCegarLoop]: Abstraction has 15426 states and 23944 transitions. [2022-07-21 10:52:06,291 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) [2022-07-21 10:52:06,291 INFO L276 IsEmpty]: Start isEmpty. Operand 15426 states and 23944 transitions. [2022-07-21 10:52:06,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-07-21 10:52:06,296 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:52:06,296 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] [2022-07-21 10:52:06,402 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 10:52:06,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:52:06,499 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:52:06,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:52:06,500 INFO L85 PathProgramCache]: Analyzing trace with hash 136871969, now seen corresponding path program 1 times [2022-07-21 10:52:06,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:52:06,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1835398899] [2022-07-21 10:52:06,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:52:06,506 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:52:06,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:52:06,508 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) [2022-07-21 10:52:06,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 10:52:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:12,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 3978 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:52:12,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:52:13,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:52:13,467 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:52:13,467 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:52:13,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1835398899] [2022-07-21 10:52:13,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1835398899] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:52:13,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:52:13,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:52:13,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966060771] [2022-07-21 10:52:13,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:52:13,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:52:13,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:52:13,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:52:13,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:52:13,469 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) [2022-07-21 10:52:14,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:52:14,118 INFO L93 Difference]: Finished difference Result 15428 states and 23945 transitions. [2022-07-21 10:52:14,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:52:14,195 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 [2022-07-21 10:52:14,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:52:14,280 INFO L225 Difference]: With dead ends: 15428 [2022-07-21 10:52:14,281 INFO L226 Difference]: Without dead ends: 15416 [2022-07-21 10:52:14,295 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 [2022-07-21 10:52:14,296 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 [2022-07-21 10:52:14,296 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] [2022-07-21 10:52:14,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15416 states. [2022-07-21 10:52:14,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15416 to 15416. [2022-07-21 10:52:14,846 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) [2022-07-21 10:52:14,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15416 states to 15416 states and 23929 transitions. [2022-07-21 10:52:14,919 INFO L78 Accepts]: Start accepts. Automaton has 15416 states and 23929 transitions. Word has length 29 [2022-07-21 10:52:14,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:52:14,919 INFO L495 AbstractCegarLoop]: Abstraction has 15416 states and 23929 transitions. [2022-07-21 10:52:14,919 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) [2022-07-21 10:52:14,919 INFO L276 IsEmpty]: Start isEmpty. Operand 15416 states and 23929 transitions. [2022-07-21 10:52:14,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-07-21 10:52:14,934 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:52:14,935 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] [2022-07-21 10:52:15,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-21 10:52:15,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:52:15,156 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:52:15,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:52:15,156 INFO L85 PathProgramCache]: Analyzing trace with hash 334930245, now seen corresponding path program 1 times [2022-07-21 10:52:15,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:52:15,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [862792155] [2022-07-21 10:52:15,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:52:15,160 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:52:15,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:52:15,161 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) [2022-07-21 10:52:15,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-21 10:52:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:20,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 4077 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:52:20,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:52:21,293 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-21 10:52:21,294 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:52:21,294 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:52:21,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [862792155] [2022-07-21 10:52:21,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [862792155] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:52:21,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:52:21,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:52:21,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907789873] [2022-07-21 10:52:21,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:52:21,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:52:21,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:52:21,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:52:21,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:52:21,295 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) [2022-07-21 10:52:22,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:52:22,289 INFO L93 Difference]: Finished difference Result 30831 states and 47856 transitions. [2022-07-21 10:52:22,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:52:22,290 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 [2022-07-21 10:52:22,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:52:22,358 INFO L225 Difference]: With dead ends: 30831 [2022-07-21 10:52:22,359 INFO L226 Difference]: Without dead ends: 15418 [2022-07-21 10:52:22,417 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 [2022-07-21 10:52:22,418 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 [2022-07-21 10:52:22,419 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] [2022-07-21 10:52:22,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15418 states. [2022-07-21 10:52:22,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15418 to 15411. [2022-07-21 10:52:22,898 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) [2022-07-21 10:52:22,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15411 states to 15411 states and 23920 transitions. [2022-07-21 10:52:22,964 INFO L78 Accepts]: Start accepts. Automaton has 15411 states and 23920 transitions. Word has length 52 [2022-07-21 10:52:22,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:52:22,966 INFO L495 AbstractCegarLoop]: Abstraction has 15411 states and 23920 transitions. [2022-07-21 10:52:22,966 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) [2022-07-21 10:52:22,966 INFO L276 IsEmpty]: Start isEmpty. Operand 15411 states and 23920 transitions. [2022-07-21 10:52:22,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-07-21 10:52:22,979 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:52:22,979 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] [2022-07-21 10:52:23,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-21 10:52:23,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:52:23,195 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:52:23,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:52:23,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1014988615, now seen corresponding path program 1 times [2022-07-21 10:52:23,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:52:23,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1304282492] [2022-07-21 10:52:23,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:52:23,200 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:52:23,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:52:23,203 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) [2022-07-21 10:52:23,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-21 10:52:28,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:28,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 4076 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 10:52:28,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:52:29,424 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-21 10:52:29,424 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:52:29,425 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:52:29,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1304282492] [2022-07-21 10:52:29,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1304282492] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:52:29,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:52:29,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 10:52:29,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781715285] [2022-07-21 10:52:29,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:52:29,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 10:52:29,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:52:29,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 10:52:29,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 10:52:29,426 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) [2022-07-21 10:52:30,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:52:30,933 INFO L93 Difference]: Finished difference Result 17383 states and 27245 transitions. [2022-07-21 10:52:30,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 10:52:30,934 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 [2022-07-21 10:52:30,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:52:30,994 INFO L225 Difference]: With dead ends: 17383 [2022-07-21 10:52:30,995 INFO L226 Difference]: Without dead ends: 16563 [2022-07-21 10:52:31,006 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 [2022-07-21 10:52:31,007 INFO L413 NwaCegarLoop]: 4087 mSDtfsCounter, 1798 mSDsluCounter, 10255 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 320 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1798 SdHoareTripleChecker+Valid, 14342 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 320 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-21 10:52:31,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1798 Valid, 14342 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [320 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-21 10:52:31,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16563 states. [2022-07-21 10:52:31,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16563 to 14687. [2022-07-21 10:52:31,537 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) [2022-07-21 10:52:31,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14687 states to 14687 states and 22798 transitions. [2022-07-21 10:52:31,594 INFO L78 Accepts]: Start accepts. Automaton has 14687 states and 22798 transitions. Word has length 52 [2022-07-21 10:52:31,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:52:31,594 INFO L495 AbstractCegarLoop]: Abstraction has 14687 states and 22798 transitions. [2022-07-21 10:52:31,595 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) [2022-07-21 10:52:31,595 INFO L276 IsEmpty]: Start isEmpty. Operand 14687 states and 22798 transitions. [2022-07-21 10:52:31,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-07-21 10:52:31,618 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:52:31,618 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] [2022-07-21 10:52:31,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-21 10:52:31,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:52:31,831 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:52:31,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:52:31,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1034130717, now seen corresponding path program 1 times [2022-07-21 10:52:31,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:52:31,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1490662492] [2022-07-21 10:52:31,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:52:31,842 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:52:31,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:52:31,844 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) [2022-07-21 10:52:31,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-21 10:52:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:37,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 4144 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 10:52:37,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:52:38,176 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-21 10:52:38,176 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:52:38,177 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:52:38,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1490662492] [2022-07-21 10:52:38,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1490662492] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:52:38,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:52:38,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 10:52:38,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421444291] [2022-07-21 10:52:38,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:52:38,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 10:52:38,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:52:38,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 10:52:38,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 10:52:38,179 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) [2022-07-21 10:52:39,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:52:39,524 INFO L93 Difference]: Finished difference Result 16657 states and 26122 transitions. [2022-07-21 10:52:39,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 10:52:39,524 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 [2022-07-21 10:52:39,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:52:39,524 INFO L225 Difference]: With dead ends: 16657 [2022-07-21 10:52:39,525 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 10:52:39,557 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 [2022-07-21 10:52:39,558 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 [2022-07-21 10:52:39,558 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] [2022-07-21 10:52:39,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 10:52:39,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 10:52:39,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:52:39,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 10:52:39,561 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2022-07-21 10:52:39,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:52:39,561 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 10:52:39,561 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) [2022-07-21 10:52:39,561 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 10:52:39,561 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 10:52:39,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 10:52:39,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-21 10:52:39,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:52:39,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.