./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2ac9f535af8244b093bc9b2ebba67ea5b28a2022739cf8ea5f1809dc862f0515 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 01:22:20,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 01:22:20,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 01:22:20,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 01:22:20,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 01:22:20,356 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 01:22:20,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 01:22:20,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 01:22:20,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 01:22:20,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 01:22:20,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 01:22:20,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 01:22:20,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 01:22:20,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 01:22:20,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 01:22:20,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 01:22:20,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 01:22:20,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 01:22:20,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 01:22:20,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 01:22:20,394 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 01:22:20,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 01:22:20,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 01:22:20,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 01:22:20,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 01:22:20,400 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 01:22:20,401 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 01:22:20,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 01:22:20,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 01:22:20,403 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 01:22:20,404 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 01:22:20,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 01:22:20,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 01:22:20,406 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 01:22:20,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 01:22:20,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 01:22:20,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 01:22:20,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 01:22:20,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 01:22:20,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 01:22:20,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 01:22:20,411 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 01:22:20,412 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 01:22:20,437 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 01:22:20,439 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 01:22:20,439 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 01:22:20,439 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 01:22:20,440 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 01:22:20,440 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 01:22:20,441 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 01:22:20,441 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 01:22:20,442 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 01:22:20,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 01:22:20,443 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 01:22:20,443 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 01:22:20,443 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 01:22:20,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 01:22:20,444 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 01:22:20,444 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 01:22:20,444 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 01:22:20,444 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 01:22:20,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 01:22:20,445 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 01:22:20,445 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 01:22:20,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 01:22:20,446 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 01:22:20,446 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 01:22:20,446 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 01:22:20,446 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 01:22:20,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 01:22:20,461 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 01:22:20,461 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 01:22:20,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 01:22:20,461 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ac9f535af8244b093bc9b2ebba67ea5b28a2022739cf8ea5f1809dc862f0515 [2022-07-14 01:22:20,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 01:22:20,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 01:22:20,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 01:22:20,735 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 01:22:20,736 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 01:22:20,737 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-entry_point.cil.out.i [2022-07-14 01:22:20,794 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/700d7a169/08e2b5dc606847f5a6c1137a69525fa9/FLAG2c8390fe8 [2022-07-14 01:22:21,534 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 01:22:21,534 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-entry_point.cil.out.i [2022-07-14 01:22:21,583 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/700d7a169/08e2b5dc606847f5a6c1137a69525fa9/FLAG2c8390fe8 [2022-07-14 01:22:21,609 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/700d7a169/08e2b5dc606847f5a6c1137a69525fa9 [2022-07-14 01:22:21,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 01:22:21,614 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 01:22:21,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 01:22:21,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 01:22:21,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 01:22:21,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:22:21" (1/1) ... [2022-07-14 01:22:21,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ef849a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:22:21, skipping insertion in model container [2022-07-14 01:22:21,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:22:21" (1/1) ... [2022-07-14 01:22:21,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 01:22:21,769 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 01:22:23,811 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-entry_point.cil.out.i[421041,421054] [2022-07-14 01:22:24,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:22:24,138 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 01:22:24,385 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 [11335] 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) [2022-07-14 01:22:24,392 INFO L158 Benchmark]: Toolchain (without parser) took 2776.72ms. Allocated memory was 119.5MB in the beginning and 182.5MB in the end (delta: 62.9MB). Free memory was 84.6MB in the beginning and 66.5MB in the end (delta: 18.2MB). Peak memory consumption was 89.5MB. Max. memory is 16.1GB. [2022-07-14 01:22:24,393 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 86.0MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 01:22:24,395 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2774.92ms. Allocated memory was 119.5MB in the beginning and 182.5MB in the end (delta: 62.9MB). Free memory was 84.6MB in the beginning and 66.5MB in the end (delta: 18.2MB). Peak memory consumption was 89.5MB. Max. memory is 16.1GB. [2022-07-14 01:22:24,396 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 86.0MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2774.92ms. Allocated memory was 119.5MB in the beginning and 182.5MB in the end (delta: 62.9MB). Free memory was 84.6MB in the beginning and 66.5MB in the end (delta: 18.2MB). Peak memory consumption was 89.5MB. 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 [11335] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: mode = (unsigned int )mode & 223U [11335]: 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2ac9f535af8244b093bc9b2ebba67ea5b28a2022739cf8ea5f1809dc862f0515 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 01:22:26,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 01:22:26,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 01:22:26,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 01:22:26,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 01:22:26,174 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 01:22:26,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 01:22:26,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 01:22:26,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 01:22:26,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 01:22:26,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 01:22:26,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 01:22:26,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 01:22:26,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 01:22:26,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 01:22:26,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 01:22:26,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 01:22:26,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 01:22:26,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 01:22:26,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 01:22:26,215 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 01:22:26,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 01:22:26,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 01:22:26,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 01:22:26,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 01:22:26,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 01:22:26,227 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 01:22:26,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 01:22:26,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 01:22:26,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 01:22:26,230 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 01:22:26,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 01:22:26,232 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 01:22:26,232 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 01:22:26,233 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 01:22:26,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 01:22:26,234 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 01:22:26,235 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 01:22:26,235 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 01:22:26,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 01:22:26,236 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 01:22:26,237 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 01:22:26,242 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 01:22:26,277 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 01:22:26,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 01:22:26,278 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 01:22:26,278 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 01:22:26,279 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 01:22:26,279 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 01:22:26,280 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 01:22:26,280 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 01:22:26,280 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 01:22:26,281 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 01:22:26,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 01:22:26,282 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 01:22:26,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 01:22:26,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 01:22:26,282 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 01:22:26,282 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 01:22:26,283 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 01:22:26,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 01:22:26,283 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 01:22:26,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 01:22:26,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 01:22:26,283 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 01:22:26,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 01:22:26,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 01:22:26,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 01:22:26,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 01:22:26,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 01:22:26,284 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 01:22:26,284 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 01:22:26,285 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 01:22:26,285 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 01:22:26,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 01:22:26,285 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 01:22:26,285 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ac9f535af8244b093bc9b2ebba67ea5b28a2022739cf8ea5f1809dc862f0515 [2022-07-14 01:22:26,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 01:22:26,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 01:22:26,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 01:22:26,665 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 01:22:26,666 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 01:22:26,667 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-entry_point.cil.out.i [2022-07-14 01:22:26,726 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72407bca7/c5ea09938ca64a27a7288f70f564bc9a/FLAG9e82be10f [2022-07-14 01:22:27,558 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 01:22:27,574 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-entry_point.cil.out.i [2022-07-14 01:22:27,613 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72407bca7/c5ea09938ca64a27a7288f70f564bc9a/FLAG9e82be10f [2022-07-14 01:22:27,746 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72407bca7/c5ea09938ca64a27a7288f70f564bc9a [2022-07-14 01:22:27,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 01:22:27,750 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 01:22:27,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 01:22:27,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 01:22:27,756 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 01:22:27,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:22:27" (1/1) ... [2022-07-14 01:22:27,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ae87409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:22:27, skipping insertion in model container [2022-07-14 01:22:27,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:22:27" (1/1) ... [2022-07-14 01:22:27,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 01:22:27,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 01:22:30,047 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-entry_point.cil.out.i[421041,421054] [2022-07-14 01:22:30,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:22:30,420 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 01:22:30,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 01:22:30,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-entry_point.cil.out.i[421041,421054] [2022-07-14 01:22:30,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:22:30,882 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 01:22:31,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-entry_point.cil.out.i[421041,421054] [2022-07-14 01:22:31,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:22:31,591 INFO L208 MainTranslator]: Completed translation [2022-07-14 01:22:31,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:22:31 WrapperNode [2022-07-14 01:22:31,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 01:22:31,593 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 01:22:31,593 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 01:22:31,593 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 01:22:31,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:22:31" (1/1) ... [2022-07-14 01:22:31,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:22:31" (1/1) ... [2022-07-14 01:22:31,935 INFO L137 Inliner]: procedures = 289, calls = 4249, calls flagged for inlining = 77, calls inlined = 70, statements flattened = 6462 [2022-07-14 01:22:31,935 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 01:22:31,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 01:22:31,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 01:22:31,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 01:22:31,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:22:31" (1/1) ... [2022-07-14 01:22:31,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:22:31" (1/1) ... [2022-07-14 01:22:31,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:22:31" (1/1) ... [2022-07-14 01:22:31,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:22:31" (1/1) ... [2022-07-14 01:22:32,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:22:31" (1/1) ... [2022-07-14 01:22:32,246 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:22:31" (1/1) ... [2022-07-14 01:22:32,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:22:31" (1/1) ... [2022-07-14 01:22:32,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 01:22:32,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 01:22:32,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 01:22:32,327 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 01:22:32,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:22:31" (1/1) ... [2022-07-14 01:22:32,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 01:22:32,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 01:22:32,374 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) [2022-07-14 01:22:32,407 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 [2022-07-14 01:22:32,421 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-14 01:22:32,421 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-14 01:22:32,421 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_read_reg [2022-07-14 01:22:32,421 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_read_reg [2022-07-14 01:22:32,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 01:22:32,422 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury [2022-07-14 01:22:32,422 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury [2022-07-14 01:22:32,422 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-14 01:22:32,422 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-14 01:22:32,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 01:22:32,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 01:22:32,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 01:22:32,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 01:22:32,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 01:22:32,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 01:22:32,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 01:22:32,423 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 01:22:32,423 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_atsc [2022-07-14 01:22:32,423 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_atsc [2022-07-14 01:22:32,423 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-14 01:22:32,423 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-14 01:22:32,423 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury [2022-07-14 01:22:32,423 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury [2022-07-14 01:22:32,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i2c_mutex_of_dvb_usb_device [2022-07-14 01:22:32,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i2c_mutex_of_dvb_usb_device [2022-07-14 01:22:32,424 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2160_frontend_attach [2022-07-14 01:22:32,424 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2160_frontend_attach [2022-07-14 01:22:32,425 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_stop [2022-07-14 01:22:32,425 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_stop [2022-07-14 01:22:32,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2022-07-14 01:22:32,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2022-07-14 01:22:32,425 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 01:22:32,426 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 01:22:32,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_5 [2022-07-14 01:22:32,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_5 [2022-07-14 01:22:32,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 01:22:32,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 01:22:32,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2022-07-14 01:22:32,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2022-07-14 01:22:32,427 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_config_pin_mux_modes [2022-07-14 01:22:32,427 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_config_pin_mux_modes [2022-07-14 01:22:32,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_3 [2022-07-14 01:22:32,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_3 [2022-07-14 01:22:32,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2022-07-14 01:22:32,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2022-07-14 01:22:32,427 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_start [2022-07-14 01:22:32,428 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_start [2022-07-14 01:22:32,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2022-07-14 01:22:32,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2022-07-14 01:22:32,428 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2022-07-14 01:22:32,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2022-07-14 01:22:32,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 01:22:32,429 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 01:22:32,430 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_isoc [2022-07-14 01:22:32,430 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_isoc [2022-07-14 01:22:32,430 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 01:22:32,430 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 01:22:32,430 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mh [2022-07-14 01:22:32,430 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mh [2022-07-14 01:22:32,430 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc [2022-07-14 01:22:32,430 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc [2022-07-14 01:22:32,431 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep6_streaming_ctrl [2022-07-14 01:22:32,431 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep6_streaming_ctrl [2022-07-14 01:22:32,431 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg_mask [2022-07-14 01:22:32,431 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg_mask [2022-07-14 01:22:32,431 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_soft_reset [2022-07-14 01:22:32,431 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_soft_reset [2022-07-14 01:22:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 01:22:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_bulk [2022-07-14 01:22:32,432 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_bulk [2022-07-14 01:22:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init [2022-07-14 01:22:32,432 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init [2022-07-14 01:22:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 01:22:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_tuner_demod [2022-07-14 01:22:32,432 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_tuner_demod [2022-07-14 01:22:32,433 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_dvbt [2022-07-14 01:22:32,433 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_dvbt [2022-07-14 01:22:32,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 01:22:32,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 01:22:32,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 01:22:32,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 01:22:32,433 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_bitbang_sendbyte [2022-07-14 01:22:32,434 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_bitbang_sendbyte [2022-07-14 01:22:32,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 01:22:32,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-14 01:22:32,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 01:22:32,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 01:22:32,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 01:22:32,435 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-14 01:22:32,435 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-14 01:22:32,435 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_check_status [2022-07-14 01:22:32,436 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_check_status [2022-07-14 01:22:32,436 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep5_streaming_ctrl [2022-07-14 01:22:32,436 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep5_streaming_ctrl [2022-07-14 01:22:32,436 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_msg [2022-07-14 01:22:32,437 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_msg [2022-07-14 01:22:32,437 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_dvbt [2022-07-14 01:22:32,437 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_dvbt [2022-07-14 01:22:32,437 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mh [2022-07-14 01:22:32,437 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mh [2022-07-14 01:22:32,437 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep4_streaming_ctrl [2022-07-14 01:22:32,437 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep4_streaming_ctrl [2022-07-14 01:22:32,437 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_gpio [2022-07-14 01:22:32,437 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_gpio [2022-07-14 01:22:32,437 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-14 01:22:32,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-14 01:22:32,438 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_atsc_mh [2022-07-14 01:22:32,438 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_atsc_mh [2022-07-14 01:22:32,438 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-14 01:22:32,438 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-14 01:22:32,439 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_get_chip_info [2022-07-14 01:22:32,439 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_get_chip_info [2022-07-14 01:22:32,441 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mercury_mh [2022-07-14 01:22:32,441 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mercury_mh [2022-07-14 01:22:32,441 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-14 01:22:32,441 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-14 01:22:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 01:22:32,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 01:22:32,443 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_enable_usb_output [2022-07-14 01:22:32,443 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_enable_usb_output [2022-07-14 01:22:32,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 01:22:32,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 01:22:32,448 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-14 01:22:32,448 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-14 01:22:32,448 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_tuner [2022-07-14 01:22:32,448 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_tuner [2022-07-14 01:22:32,448 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-14 01:22:32,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-14 01:22:32,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 01:22:32,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 01:22:32,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-14 01:22:32,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-14 01:22:32,449 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_hw_set_gpio [2022-07-14 01:22:32,449 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_hw_set_gpio [2022-07-14 01:22:32,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 01:22:32,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-14 01:22:32,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-14 01:22:32,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 01:22:32,449 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_set_device_mode [2022-07-14 01:22:32,449 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_set_device_mode [2022-07-14 01:22:32,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 01:22:32,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 01:22:32,450 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_program_regs [2022-07-14 01:22:32,450 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_program_regs [2022-07-14 01:22:32,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 01:22:32,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 01:22:32,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 01:22:32,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 01:22:32,450 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_atsc_mh [2022-07-14 01:22:32,450 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_atsc_mh [2022-07-14 01:22:32,450 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_gpio_mode_switch [2022-07-14 01:22:32,451 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_gpio_mode_switch [2022-07-14 01:22:32,451 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2022-07-14 01:22:32,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2022-07-14 01:22:32,451 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mercury [2022-07-14 01:22:32,451 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mercury [2022-07-14 01:22:32,451 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg [2022-07-14 01:22:32,451 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg [2022-07-14 01:22:32,451 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ant_hunt [2022-07-14 01:22:32,451 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ant_hunt [2022-07-14 01:22:32,451 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_ant_path [2022-07-14 01:22:32,452 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_ant_path [2022-07-14 01:22:32,452 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_port_expander [2022-07-14 01:22:32,452 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_port_expander [2022-07-14 01:22:32,452 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_disconnect [2022-07-14 01:22:32,452 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_disconnect [2022-07-14 01:22:32,452 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-14 01:22:32,452 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-14 01:22:32,452 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_demod [2022-07-14 01:22:32,452 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_demod [2022-07-14 01:22:32,452 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_send_data [2022-07-14 01:22:32,453 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_send_data [2022-07-14 01:22:32,453 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_resume [2022-07-14 01:22:32,453 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_resume [2022-07-14 01:22:32,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 01:22:32,453 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_get_data [2022-07-14 01:22:32,453 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_get_data [2022-07-14 01:22:32,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 01:22:32,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 01:22:32,453 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_probe [2022-07-14 01:22:32,454 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_probe [2022-07-14 01:22:32,454 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_top_master_ctrl [2022-07-14 01:22:32,454 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_top_master_ctrl [2022-07-14 01:22:33,283 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 01:22:33,288 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 01:22:34,090 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 01:24:32,725 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 01:24:32,766 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 01:24:32,767 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 01:24:32,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:24:32 BoogieIcfgContainer [2022-07-14 01:24:32,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 01:24:32,779 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 01:24:32,779 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 01:24:32,782 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 01:24:32,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 01:22:27" (1/3) ... [2022-07-14 01:24:32,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dda8367 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:24:32, skipping insertion in model container [2022-07-14 01:24:32,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:22:31" (2/3) ... [2022-07-14 01:24:32,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dda8367 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:24:32, skipping insertion in model container [2022-07-14 01:24:32,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:24:32" (3/3) ... [2022-07-14 01:24:32,785 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-entry_point.cil.out.i [2022-07-14 01:24:32,798 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 01:24:32,799 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 01:24:32,891 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 01:24:32,902 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@4ac265fa, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7d59945f [2022-07-14 01:24:32,902 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 01:24:32,916 INFO L276 IsEmpty]: Start isEmpty. Operand has 2294 states, 1718 states have (on average 1.480791618160652) internal successors, (2544), 1767 states have internal predecessors, (2544), 498 states have call successors, (498), 77 states have call predecessors, (498), 76 states have return successors, (486), 466 states have call predecessors, (486), 486 states have call successors, (486) [2022-07-14 01:24:32,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 585 [2022-07-14 01:24:32,947 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:24:32,948 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:24:32,949 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:24:32,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:24:32,956 INFO L85 PathProgramCache]: Analyzing trace with hash 91669794, now seen corresponding path program 1 times [2022-07-14 01:24:32,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:24:32,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1312595425] [2022-07-14 01:24:32,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:24:32,979 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:24:32,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:24:32,997 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) [2022-07-14 01:24:33,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 01:24:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:24:42,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 6277 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-14 01:24:42,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:24:42,368 INFO L134 CoverageAnalysis]: Checked inductivity of 5145 backedges. 2136 proven. 0 refuted. 0 times theorem prover too weak. 3009 trivial. 0 not checked. [2022-07-14 01:24:42,368 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 01:24:42,369 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:24:42,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1312595425] [2022-07-14 01:24:42,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1312595425] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:24:42,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:24:42,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 01:24:42,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380963477] [2022-07-14 01:24:42,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:24:42,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-14 01:24:42,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:24:42,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-14 01:24:42,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-14 01:24:42,415 INFO L87 Difference]: Start difference. First operand has 2294 states, 1718 states have (on average 1.480791618160652) internal successors, (2544), 1767 states have internal predecessors, (2544), 498 states have call successors, (498), 77 states have call predecessors, (498), 76 states have return successors, (486), 466 states have call predecessors, (486), 486 states have call successors, (486) Second operand has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-07-14 01:24:42,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:24:42,615 INFO L93 Difference]: Finished difference Result 4583 states and 7154 transitions. [2022-07-14 01:24:42,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-14 01:24:42,634 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 584 [2022-07-14 01:24:42,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:24:42,671 INFO L225 Difference]: With dead ends: 4583 [2022-07-14 01:24:42,671 INFO L226 Difference]: Without dead ends: 2275 [2022-07-14 01:24:42,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 583 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-14 01:24:42,705 INFO L413 NwaCegarLoop]: 3518 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3518 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 01:24:42,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3518 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 01:24:42,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2275 states. [2022-07-14 01:24:42,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2275 to 2275. [2022-07-14 01:24:42,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2275 states, 1713 states have (on average 1.4734384121424402) internal successors, (2524), 1748 states have internal predecessors, (2524), 486 states have call successors, (486), 76 states have call predecessors, (486), 75 states have return successors, (479), 459 states have call predecessors, (479), 479 states have call successors, (479) [2022-07-14 01:24:42,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2275 states to 2275 states and 3489 transitions. [2022-07-14 01:24:42,887 INFO L78 Accepts]: Start accepts. Automaton has 2275 states and 3489 transitions. Word has length 584 [2022-07-14 01:24:42,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:24:42,888 INFO L495 AbstractCegarLoop]: Abstraction has 2275 states and 3489 transitions. [2022-07-14 01:24:42,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-07-14 01:24:42,889 INFO L276 IsEmpty]: Start isEmpty. Operand 2275 states and 3489 transitions. [2022-07-14 01:24:42,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 585 [2022-07-14 01:24:42,902 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:24:42,903 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:24:43,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 01:24:43,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:24:43,112 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:24:43,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:24:43,113 INFO L85 PathProgramCache]: Analyzing trace with hash 2085834324, now seen corresponding path program 1 times [2022-07-14 01:24:43,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:24:43,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [968784373] [2022-07-14 01:24:43,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:24:43,121 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:24:43,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:24:43,122 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) [2022-07-14 01:24:43,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 01:24:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:24:55,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 6277 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-14 01:24:55,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:24:56,731 INFO L134 CoverageAnalysis]: Checked inductivity of 5145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 5019 trivial. 0 not checked. [2022-07-14 01:24:56,739 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 01:24:56,740 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:24:56,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [968784373] [2022-07-14 01:24:56,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [968784373] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:24:56,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:24:56,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 01:24:56,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932945034] [2022-07-14 01:24:56,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:24:56,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 01:24:56,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:24:56,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 01:24:56,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 01:24:56,746 INFO L87 Difference]: Start difference. First operand 2275 states and 3489 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-14 01:24:59,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:24:59,749 INFO L93 Difference]: Finished difference Result 4502 states and 6920 transitions. [2022-07-14 01:24:59,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 01:24:59,750 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 584 [2022-07-14 01:24:59,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:24:59,772 INFO L225 Difference]: With dead ends: 4502 [2022-07-14 01:24:59,772 INFO L226 Difference]: Without dead ends: 2278 [2022-07-14 01:24:59,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 579 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-14 01:24:59,785 INFO L413 NwaCegarLoop]: 3470 mSDtfsCounter, 6 mSDsluCounter, 13840 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 17310 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-14 01:24:59,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 17310 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-14 01:24:59,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2022-07-14 01:24:59,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 2278. [2022-07-14 01:24:59,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2278 states, 1715 states have (on average 1.473469387755102) internal successors, (2527), 1751 states have internal predecessors, (2527), 486 states have call successors, (486), 76 states have call predecessors, (486), 76 states have return successors, (480), 459 states have call predecessors, (480), 479 states have call successors, (480) [2022-07-14 01:24:59,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2278 states to 2278 states and 3493 transitions. [2022-07-14 01:24:59,850 INFO L78 Accepts]: Start accepts. Automaton has 2278 states and 3493 transitions. Word has length 584 [2022-07-14 01:24:59,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:24:59,852 INFO L495 AbstractCegarLoop]: Abstraction has 2278 states and 3493 transitions. [2022-07-14 01:24:59,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-14 01:24:59,852 INFO L276 IsEmpty]: Start isEmpty. Operand 2278 states and 3493 transitions. [2022-07-14 01:24:59,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2022-07-14 01:24:59,863 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:24:59,863 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:24:59,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 01:25:00,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:25:00,090 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:25:00,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:25:00,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1189342793, now seen corresponding path program 1 times [2022-07-14 01:25:00,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:25:00,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1912155443] [2022-07-14 01:25:00,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:25:00,096 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:25:00,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:25:00,098 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) [2022-07-14 01:25:00,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 01:25:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:25:12,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 6442 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-14 01:25:12,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:25:13,417 INFO L134 CoverageAnalysis]: Checked inductivity of 5475 backedges. 168 proven. 1 refuted. 0 times theorem prover too weak. 5306 trivial. 0 not checked. [2022-07-14 01:25:13,417 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 01:25:17,049 INFO L134 CoverageAnalysis]: Checked inductivity of 5475 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 5334 trivial. 0 not checked. [2022-07-14 01:25:17,050 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:25:17,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1912155443] [2022-07-14 01:25:17,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1912155443] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 01:25:17,050 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 01:25:17,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-14 01:25:17,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704893051] [2022-07-14 01:25:17,051 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 01:25:17,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-14 01:25:17,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:25:17,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-14 01:25:17,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-14 01:25:17,053 INFO L87 Difference]: Start difference. First operand 2278 states and 3493 transitions. Second operand has 11 states, 9 states have (on average 10.444444444444445) internal successors, (94), 11 states have internal predecessors, (94), 4 states have call successors, (61), 2 states have call predecessors, (61), 5 states have return successors, (61), 4 states have call predecessors, (61), 4 states have call successors, (61) [2022-07-14 01:25:22,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:25:22,233 INFO L93 Difference]: Finished difference Result 4513 states and 6937 transitions. [2022-07-14 01:25:22,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-14 01:25:22,235 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 10.444444444444445) internal successors, (94), 11 states have internal predecessors, (94), 4 states have call successors, (61), 2 states have call predecessors, (61), 5 states have return successors, (61), 4 states have call predecessors, (61), 4 states have call successors, (61) Word has length 599 [2022-07-14 01:25:22,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:25:22,252 INFO L225 Difference]: With dead ends: 4513 [2022-07-14 01:25:22,253 INFO L226 Difference]: Without dead ends: 2289 [2022-07-14 01:25:22,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1199 GetRequests, 1187 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-07-14 01:25:22,270 INFO L413 NwaCegarLoop]: 3473 mSDtfsCounter, 17 mSDsluCounter, 20753 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 24226 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-14 01:25:22,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 24226 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-14 01:25:22,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2289 states. [2022-07-14 01:25:22,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2289 to 2289. [2022-07-14 01:25:22,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2289 states, 1723 states have (on average 1.4724318049912943) internal successors, (2537), 1759 states have internal predecessors, (2537), 487 states have call successors, (487), 78 states have call predecessors, (487), 78 states have return successors, (482), 460 states have call predecessors, (482), 480 states have call successors, (482) [2022-07-14 01:25:22,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 2289 states and 3506 transitions. [2022-07-14 01:25:22,334 INFO L78 Accepts]: Start accepts. Automaton has 2289 states and 3506 transitions. Word has length 599 [2022-07-14 01:25:22,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:25:22,340 INFO L495 AbstractCegarLoop]: Abstraction has 2289 states and 3506 transitions. [2022-07-14 01:25:22,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 10.444444444444445) internal successors, (94), 11 states have internal predecessors, (94), 4 states have call successors, (61), 2 states have call predecessors, (61), 5 states have return successors, (61), 4 states have call predecessors, (61), 4 states have call successors, (61) [2022-07-14 01:25:22,340 INFO L276 IsEmpty]: Start isEmpty. Operand 2289 states and 3506 transitions. [2022-07-14 01:25:22,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2022-07-14 01:25:22,344 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:25:22,345 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 24, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:25:22,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 01:25:22,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:25:22,556 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:25:22,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:25:22,556 INFO L85 PathProgramCache]: Analyzing trace with hash -135555644, now seen corresponding path program 2 times [2022-07-14 01:25:22,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:25:22,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2082267075] [2022-07-14 01:25:22,560 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 01:25:22,560 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:25:22,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:25:22,562 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) [2022-07-14 01:25:22,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 01:25:29,156 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 01:25:29,156 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 01:25:29,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 4617 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 01:25:29,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:25:29,755 INFO L134 CoverageAnalysis]: Checked inductivity of 5781 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5781 trivial. 0 not checked. [2022-07-14 01:25:29,755 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 01:25:29,756 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:25:29,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2082267075] [2022-07-14 01:25:29,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2082267075] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:25:29,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:25:29,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 01:25:29,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985121721] [2022-07-14 01:25:29,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:25:29,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 01:25:29,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:25:29,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 01:25:29,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 01:25:29,758 INFO L87 Difference]: Start difference. First operand 2289 states and 3506 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2022-07-14 01:25:30,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:25:30,472 INFO L93 Difference]: Finished difference Result 6257 states and 9608 transitions. [2022-07-14 01:25:30,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 01:25:30,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 608 [2022-07-14 01:25:30,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:25:30,494 INFO L225 Difference]: With dead ends: 6257 [2022-07-14 01:25:30,494 INFO L226 Difference]: Without dead ends: 4064 [2022-07-14 01:25:30,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 607 GetRequests, 606 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 01:25:30,506 INFO L413 NwaCegarLoop]: 3854 mSDtfsCounter, 2842 mSDsluCounter, 3352 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2842 SdHoareTripleChecker+Valid, 7206 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 [2022-07-14 01:25:30,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2842 Valid, 7206 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-14 01:25:30,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4064 states. [2022-07-14 01:25:30,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4064 to 4040. [2022-07-14 01:25:30,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4040 states, 3043 states have (on average 1.4814327965823202) internal successors, (4508), 3109 states have internal predecessors, (4508), 853 states have call successors, (853), 143 states have call predecessors, (853), 143 states have return successors, (848), 805 states have call predecessors, (848), 846 states have call successors, (848) [2022-07-14 01:25:30,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4040 states to 4040 states and 6209 transitions. [2022-07-14 01:25:30,621 INFO L78 Accepts]: Start accepts. Automaton has 4040 states and 6209 transitions. Word has length 608 [2022-07-14 01:25:30,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:25:30,623 INFO L495 AbstractCegarLoop]: Abstraction has 4040 states and 6209 transitions. [2022-07-14 01:25:30,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2022-07-14 01:25:30,623 INFO L276 IsEmpty]: Start isEmpty. Operand 4040 states and 6209 transitions. [2022-07-14 01:25:30,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2022-07-14 01:25:30,628 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:25:30,628 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 24, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:25:30,721 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 01:25:30,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:25:30,840 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:25:30,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:25:30,840 INFO L85 PathProgramCache]: Analyzing trace with hash 982470913, now seen corresponding path program 1 times [2022-07-14 01:25:30,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:25:30,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1031491030] [2022-07-14 01:25:30,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:25:30,844 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:25:30,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:25:30,846 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) [2022-07-14 01:25:30,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 01:25:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:25:42,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 6514 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 01:25:42,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:25:44,170 INFO L134 CoverageAnalysis]: Checked inductivity of 5781 backedges. 220 proven. 3 refuted. 0 times theorem prover too weak. 5558 trivial. 0 not checked. [2022-07-14 01:25:44,170 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 01:25:48,568 INFO L134 CoverageAnalysis]: Checked inductivity of 5781 backedges. 0 proven. 195 refuted. 0 times theorem prover too weak. 5586 trivial. 0 not checked. [2022-07-14 01:25:48,569 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:25:48,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1031491030] [2022-07-14 01:25:48,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1031491030] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 01:25:48,569 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 01:25:48,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-14 01:25:48,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068089748] [2022-07-14 01:25:48,570 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 01:25:48,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-14 01:25:48,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:25:48,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-14 01:25:48,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-14 01:25:48,571 INFO L87 Difference]: Start difference. First operand 4040 states and 6209 transitions. Second operand has 13 states, 11 states have (on average 9.090909090909092) internal successors, (100), 13 states have internal predecessors, (100), 4 states have call successors, (61), 2 states have call predecessors, (61), 5 states have return successors, (61), 4 states have call predecessors, (61), 4 states have call successors, (61) [2022-07-14 01:25:55,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:25:55,840 INFO L93 Difference]: Finished difference Result 8041 states and 12366 transitions. [2022-07-14 01:25:55,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-14 01:25:55,841 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 9.090909090909092) internal successors, (100), 13 states have internal predecessors, (100), 4 states have call successors, (61), 2 states have call predecessors, (61), 5 states have return successors, (61), 4 states have call predecessors, (61), 4 states have call successors, (61) Word has length 612 [2022-07-14 01:25:55,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:25:55,876 INFO L225 Difference]: With dead ends: 8041 [2022-07-14 01:25:55,877 INFO L226 Difference]: Without dead ends: 4052 [2022-07-14 01:25:55,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1226 GetRequests, 1211 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2022-07-14 01:25:55,900 INFO L413 NwaCegarLoop]: 3474 mSDtfsCounter, 18 mSDsluCounter, 31173 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 34647 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-07-14 01:25:55,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 34647 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-07-14 01:25:55,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4052 states. [2022-07-14 01:25:56,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4052 to 4041. [2022-07-14 01:25:56,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4041 states, 3044 states have (on average 1.4816031537450722) internal successors, (4510), 3110 states have internal predecessors, (4510), 853 states have call successors, (853), 143 states have call predecessors, (853), 143 states have return successors, (848), 805 states have call predecessors, (848), 846 states have call successors, (848) [2022-07-14 01:25:56,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4041 states to 4041 states and 6211 transitions. [2022-07-14 01:25:56,056 INFO L78 Accepts]: Start accepts. Automaton has 4041 states and 6211 transitions. Word has length 612 [2022-07-14 01:25:56,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:25:56,057 INFO L495 AbstractCegarLoop]: Abstraction has 4041 states and 6211 transitions. [2022-07-14 01:25:56,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 9.090909090909092) internal successors, (100), 13 states have internal predecessors, (100), 4 states have call successors, (61), 2 states have call predecessors, (61), 5 states have return successors, (61), 4 states have call predecessors, (61), 4 states have call successors, (61) [2022-07-14 01:25:56,058 INFO L276 IsEmpty]: Start isEmpty. Operand 4041 states and 6211 transitions. [2022-07-14 01:25:56,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2022-07-14 01:25:56,065 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:25:56,066 INFO L195 NwaCegarLoop]: trace histogram [33, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:25:56,220 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-07-14 01:25:56,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:25:56,280 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:25:56,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:25:56,280 INFO L85 PathProgramCache]: Analyzing trace with hash 2052209044, now seen corresponding path program 2 times [2022-07-14 01:25:56,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:25:56,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [6186889] [2022-07-14 01:25:56,284 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 01:25:56,284 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:25:56,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:25:56,285 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) [2022-07-14 01:25:56,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 01:26:02,931 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 01:26:02,931 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 01:26:03,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 4590 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 01:26:03,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:26:03,640 INFO L134 CoverageAnalysis]: Checked inductivity of 6168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6168 trivial. 0 not checked. [2022-07-14 01:26:03,641 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 01:26:03,641 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:26:03,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [6186889] [2022-07-14 01:26:03,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [6186889] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:26:03,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:26:03,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 01:26:03,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756642548] [2022-07-14 01:26:03,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:26:03,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 01:26:03,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:26:03,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 01:26:03,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 01:26:03,643 INFO L87 Difference]: Start difference. First operand 4041 states and 6211 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2022-07-14 01:26:04,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:26:04,907 INFO L93 Difference]: Finished difference Result 11851 states and 18249 transitions. [2022-07-14 01:26:04,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 01:26:04,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 621 [2022-07-14 01:26:04,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:26:04,950 INFO L225 Difference]: With dead ends: 11851 [2022-07-14 01:26:04,951 INFO L226 Difference]: Without dead ends: 7906 [2022-07-14 01:26:04,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 620 GetRequests, 619 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 01:26:04,972 INFO L413 NwaCegarLoop]: 4463 mSDtfsCounter, 3272 mSDsluCounter, 3469 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3272 SdHoareTripleChecker+Valid, 7932 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-14 01:26:04,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3272 Valid, 7932 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-14 01:26:04,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7906 states. [2022-07-14 01:26:05,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7906 to 7895. [2022-07-14 01:26:05,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7895 states, 5977 states have (on average 1.4875355529529863) internal successors, (8891), 6101 states have internal predecessors, (8891), 1635 states have call successors, (1635), 282 states have call predecessors, (1635), 282 states have return successors, (1630), 1547 states have call predecessors, (1630), 1628 states have call successors, (1630) [2022-07-14 01:26:05,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7895 states to 7895 states and 12156 transitions. [2022-07-14 01:26:05,270 INFO L78 Accepts]: Start accepts. Automaton has 7895 states and 12156 transitions. Word has length 621 [2022-07-14 01:26:05,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:26:05,272 INFO L495 AbstractCegarLoop]: Abstraction has 7895 states and 12156 transitions. [2022-07-14 01:26:05,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2022-07-14 01:26:05,272 INFO L276 IsEmpty]: Start isEmpty. Operand 7895 states and 12156 transitions. [2022-07-14 01:26:05,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2022-07-14 01:26:05,281 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:26:05,282 INFO L195 NwaCegarLoop]: trace histogram [33, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:26:05,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-14 01:26:05,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:26:05,492 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:26:05,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:26:05,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1228359568, now seen corresponding path program 1 times [2022-07-14 01:26:05,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:26:05,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [844805921] [2022-07-14 01:26:05,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:26:05,496 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:26:05,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:26:05,497 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) [2022-07-14 01:26:05,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-14 01:26:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:26:18,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 6684 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-14 01:26:18,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:26:19,708 INFO L134 CoverageAnalysis]: Checked inductivity of 6518 backedges. 638 proven. 6 refuted. 0 times theorem prover too weak. 5874 trivial. 0 not checked. [2022-07-14 01:26:19,709 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 01:26:25,579 INFO L134 CoverageAnalysis]: Checked inductivity of 6518 backedges. 0 proven. 266 refuted. 0 times theorem prover too weak. 6252 trivial. 0 not checked. [2022-07-14 01:26:25,579 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:26:25,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [844805921] [2022-07-14 01:26:25,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [844805921] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 01:26:25,580 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 01:26:25,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-14 01:26:25,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119200756] [2022-07-14 01:26:25,581 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 01:26:25,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-14 01:26:25,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:26:25,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-14 01:26:25,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-14 01:26:25,583 INFO L87 Difference]: Start difference. First operand 7895 states and 12156 transitions. Second operand has 15 states, 13 states have (on average 8.846153846153847) internal successors, (115), 15 states have internal predecessors, (115), 4 states have call successors, (65), 2 states have call predecessors, (65), 5 states have return successors, (65), 4 states have call predecessors, (65), 4 states have call successors, (65) [2022-07-14 01:26:34,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:26:34,569 INFO L93 Difference]: Finished difference Result 15780 states and 24298 transitions. [2022-07-14 01:26:34,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-14 01:26:34,571 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 8.846153846153847) internal successors, (115), 15 states have internal predecessors, (115), 4 states have call successors, (65), 2 states have call predecessors, (65), 5 states have return successors, (65), 4 states have call predecessors, (65), 4 states have call successors, (65) Word has length 640 [2022-07-14 01:26:34,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:26:34,620 INFO L225 Difference]: With dead ends: 15780 [2022-07-14 01:26:34,621 INFO L226 Difference]: Without dead ends: 7936 [2022-07-14 01:26:34,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1283 GetRequests, 1265 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2022-07-14 01:26:34,652 INFO L413 NwaCegarLoop]: 3475 mSDtfsCounter, 36 mSDsluCounter, 34651 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 38126 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-07-14 01:26:34,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 38126 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2022-07-14 01:26:34,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7936 states. [2022-07-14 01:26:34,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7936 to 7896. [2022-07-14 01:26:34,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7896 states, 5978 states have (on average 1.4876212780194045) internal successors, (8893), 6102 states have internal predecessors, (8893), 1635 states have call successors, (1635), 282 states have call predecessors, (1635), 282 states have return successors, (1630), 1547 states have call predecessors, (1630), 1628 states have call successors, (1630) [2022-07-14 01:26:34,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7896 states to 7896 states and 12158 transitions. [2022-07-14 01:26:34,864 INFO L78 Accepts]: Start accepts. Automaton has 7896 states and 12158 transitions. Word has length 640 [2022-07-14 01:26:34,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:26:34,864 INFO L495 AbstractCegarLoop]: Abstraction has 7896 states and 12158 transitions. [2022-07-14 01:26:34,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 8.846153846153847) internal successors, (115), 15 states have internal predecessors, (115), 4 states have call successors, (65), 2 states have call predecessors, (65), 5 states have return successors, (65), 4 states have call predecessors, (65), 4 states have call successors, (65) [2022-07-14 01:26:34,865 INFO L276 IsEmpty]: Start isEmpty. Operand 7896 states and 12158 transitions. [2022-07-14 01:26:34,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 650 [2022-07-14 01:26:34,872 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:26:34,873 INFO L195 NwaCegarLoop]: trace histogram [42, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:26:35,003 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-14 01:26:35,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:26:35,088 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:26:35,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:26:35,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1724816131, now seen corresponding path program 2 times [2022-07-14 01:26:35,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:26:35,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1472139462] [2022-07-14 01:26:35,094 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 01:26:35,094 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:26:35,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:26:35,095 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) [2022-07-14 01:26:35,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process