./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a39498090d656dd87e8bb8647a18e08a0862a7f56f6aac4cd3db5ade7105a6de --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 23:50:15,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 23:50:15,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 23:50:15,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 23:50:15,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 23:50:15,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 23:50:15,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 23:50:15,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 23:50:15,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 23:50:15,394 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 23:50:15,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 23:50:15,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 23:50:15,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 23:50:15,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 23:50:15,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 23:50:15,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 23:50:15,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 23:50:15,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 23:50:15,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 23:50:15,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 23:50:15,408 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 23:50:15,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 23:50:15,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 23:50:15,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 23:50:15,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 23:50:15,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 23:50:15,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 23:50:15,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 23:50:15,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 23:50:15,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 23:50:15,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 23:50:15,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 23:50:15,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 23:50:15,428 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 23:50:15,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 23:50:15,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 23:50:15,430 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 23:50:15,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 23:50:15,431 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 23:50:15,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 23:50:15,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 23:50:15,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 23:50:15,435 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-13 23:50:15,463 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 23:50:15,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 23:50:15,464 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 23:50:15,464 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 23:50:15,464 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 23:50:15,465 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 23:50:15,465 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 23:50:15,465 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 23:50:15,466 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 23:50:15,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 23:50:15,466 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 23:50:15,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 23:50:15,467 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 23:50:15,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 23:50:15,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 23:50:15,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 23:50:15,468 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 23:50:15,468 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 23:50:15,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 23:50:15,469 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 23:50:15,469 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 23:50:15,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:50:15,470 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 23:50:15,470 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 23:50:15,470 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 23:50:15,470 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 23:50:15,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 23:50:15,470 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 23:50:15,471 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 23:50:15,471 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 23:50:15,471 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a39498090d656dd87e8bb8647a18e08a0862a7f56f6aac4cd3db5ade7105a6de [2022-07-13 23:50:15,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 23:50:15,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 23:50:15,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 23:50:15,742 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 23:50:15,742 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 23:50:15,743 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i [2022-07-13 23:50:15,809 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d0af109b/a290e1fb3f254536b74969de52072abe/FLAGaa539a20c [2022-07-13 23:50:16,546 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 23:50:16,546 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i [2022-07-13 23:50:16,592 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d0af109b/a290e1fb3f254536b74969de52072abe/FLAGaa539a20c [2022-07-13 23:50:16,826 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d0af109b/a290e1fb3f254536b74969de52072abe [2022-07-13 23:50:16,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 23:50:16,829 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 23:50:16,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 23:50:16,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 23:50:16,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 23:50:16,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:50:16" (1/1) ... [2022-07-13 23:50:16,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@218427f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:50:16, skipping insertion in model container [2022-07-13 23:50:16,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:50:16" (1/1) ... [2022-07-13 23:50:16,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 23:50:16,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 23:50:18,641 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i[390732,390745] [2022-07-13 23:50:18,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:50:18,842 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 23:50:19,126 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 [10140] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-13 23:50:19,132 INFO L158 Benchmark]: Toolchain (without parser) took 2301.03ms. Allocated memory was 102.8MB in the beginning and 241.2MB in the end (delta: 138.4MB). Free memory was 69.0MB in the beginning and 141.4MB in the end (delta: -72.3MB). Peak memory consumption was 79.2MB. Max. memory is 16.1GB. [2022-07-13 23:50:19,132 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 102.8MB. Free memory was 81.0MB in the beginning and 80.9MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 23:50:19,133 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2299.42ms. Allocated memory was 102.8MB in the beginning and 241.2MB in the end (delta: 138.4MB). Free memory was 68.6MB in the beginning and 141.4MB in the end (delta: -72.7MB). Peak memory consumption was 79.2MB. Max. memory is 16.1GB. [2022-07-13 23:50:19,135 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 102.8MB. Free memory was 81.0MB in the beginning and 80.9MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2299.42ms. Allocated memory was 102.8MB in the beginning and 241.2MB in the end (delta: 138.4MB). Free memory was 68.6MB in the beginning and 141.4MB in the end (delta: -72.7MB). Peak memory consumption was 79.2MB. 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 [10140] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: mode = (unsigned int )mode & 223U [10140]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a39498090d656dd87e8bb8647a18e08a0862a7f56f6aac4cd3db5ade7105a6de --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 23:50:20,806 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 23:50:20,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 23:50:20,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 23:50:20,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 23:50:20,857 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 23:50:20,858 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 23:50:20,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 23:50:20,864 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 23:50:20,866 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 23:50:20,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 23:50:20,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 23:50:20,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 23:50:20,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 23:50:20,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 23:50:20,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 23:50:20,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 23:50:20,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 23:50:20,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 23:50:20,887 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 23:50:20,889 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 23:50:20,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 23:50:20,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 23:50:20,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 23:50:20,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 23:50:20,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 23:50:20,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 23:50:20,901 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 23:50:20,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 23:50:20,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 23:50:20,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 23:50:20,903 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 23:50:20,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 23:50:20,905 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 23:50:20,906 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 23:50:20,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 23:50:20,908 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 23:50:20,909 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 23:50:20,909 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 23:50:20,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 23:50:20,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 23:50:20,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 23:50:20,913 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-13 23:50:20,948 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 23:50:20,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 23:50:20,949 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 23:50:20,949 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 23:50:20,950 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 23:50:20,950 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 23:50:20,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 23:50:20,951 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 23:50:20,951 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 23:50:20,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 23:50:20,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 23:50:20,953 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 23:50:20,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 23:50:20,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 23:50:20,953 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-13 23:50:20,953 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-13 23:50:20,954 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-13 23:50:20,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 23:50:20,954 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 23:50:20,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 23:50:20,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 23:50:20,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 23:50:20,955 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 23:50:20,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:50:20,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 23:50:20,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 23:50:20,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 23:50:20,956 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-13 23:50:20,956 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-13 23:50:20,956 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 23:50:20,956 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 23:50:20,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 23:50:20,957 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-13 23:50:20,957 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a39498090d656dd87e8bb8647a18e08a0862a7f56f6aac4cd3db5ade7105a6de [2022-07-13 23:50:21,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 23:50:21,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 23:50:21,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 23:50:21,310 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 23:50:21,310 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 23:50:21,312 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i [2022-07-13 23:50:21,374 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c45f097b/6bf6fc7379464f359b1b1b48c7db4931/FLAGbcd1a74a2 [2022-07-13 23:50:22,170 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 23:50:22,171 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i [2022-07-13 23:50:22,216 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c45f097b/6bf6fc7379464f359b1b1b48c7db4931/FLAGbcd1a74a2 [2022-07-13 23:50:22,374 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c45f097b/6bf6fc7379464f359b1b1b48c7db4931 [2022-07-13 23:50:22,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 23:50:22,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 23:50:22,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 23:50:22,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 23:50:22,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 23:50:22,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:50:22" (1/1) ... [2022-07-13 23:50:22,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@303042d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:50:22, skipping insertion in model container [2022-07-13 23:50:22,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:50:22" (1/1) ... [2022-07-13 23:50:22,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 23:50:22,539 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 23:50:24,197 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i[390732,390745] [2022-07-13 23:50:24,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:50:24,362 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-13 23:50:24,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 23:50:24,803 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i[390732,390745] [2022-07-13 23:50:24,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:50:24,848 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 23:50:25,241 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i[390732,390745] [2022-07-13 23:50:25,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:50:25,530 INFO L208 MainTranslator]: Completed translation [2022-07-13 23:50:25,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:50:25 WrapperNode [2022-07-13 23:50:25,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 23:50:25,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 23:50:25,533 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 23:50:25,533 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 23:50:25,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:50:25" (1/1) ... [2022-07-13 23:50:25,620 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:50:25" (1/1) ... [2022-07-13 23:50:25,757 INFO L137 Inliner]: procedures = 243, calls = 4038, calls flagged for inlining = 60, calls inlined = 42, statements flattened = 4574 [2022-07-13 23:50:25,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 23:50:25,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 23:50:25,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 23:50:25,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 23:50:25,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:50:25" (1/1) ... [2022-07-13 23:50:25,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:50:25" (1/1) ... [2022-07-13 23:50:25,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:50:25" (1/1) ... [2022-07-13 23:50:25,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:50:25" (1/1) ... [2022-07-13 23:50:25,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:50:25" (1/1) ... [2022-07-13 23:50:26,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:50:25" (1/1) ... [2022-07-13 23:50:26,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:50:25" (1/1) ... [2022-07-13 23:50:26,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 23:50:26,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 23:50:26,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 23:50:26,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 23:50:26,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:50:25" (1/1) ... [2022-07-13 23:50:26,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:50:26,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:50:26,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-13 23:50:26,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-13 23:50:26,154 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-13 23:50:26,154 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-13 23:50:26,154 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_read_reg [2022-07-13 23:50:26,154 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_read_reg [2022-07-13 23:50:26,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-13 23:50:26,155 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury [2022-07-13 23:50:26,155 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury [2022-07-13 23:50:26,155 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-13 23:50:26,155 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-13 23:50:26,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-13 23:50:26,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-13 23:50:26,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-13 23:50:26,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-13 23:50:26,156 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_atsc [2022-07-13 23:50:26,156 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_atsc [2022-07-13 23:50:26,156 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-13 23:50:26,156 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-13 23:50:26,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-13 23:50:26,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-13 23:50:26,157 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury [2022-07-13 23:50:26,157 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury [2022-07-13 23:50:26,157 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2160_frontend_attach [2022-07-13 23:50:26,157 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2160_frontend_attach [2022-07-13 23:50:26,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-13 23:50:26,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-13 23:50:26,157 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_config_pin_mux_modes [2022-07-13 23:50:26,158 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_config_pin_mux_modes [2022-07-13 23:50:26,158 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2022-07-13 23:50:26,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2022-07-13 23:50:26,158 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_isoc [2022-07-13 23:50:26,158 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_isoc [2022-07-13 23:50:26,159 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mh [2022-07-13 23:50:26,159 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mh [2022-07-13 23:50:26,159 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc [2022-07-13 23:50:26,159 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc [2022-07-13 23:50:26,159 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep6_streaming_ctrl [2022-07-13 23:50:26,159 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep6_streaming_ctrl [2022-07-13 23:50:26,160 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg_mask [2022-07-13 23:50:26,160 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg_mask [2022-07-13 23:50:26,160 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_soft_reset [2022-07-13 23:50:26,160 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_soft_reset [2022-07-13 23:50:26,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 23:50:26,161 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_bulk [2022-07-13 23:50:26,161 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_bulk [2022-07-13 23:50:26,161 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init [2022-07-13 23:50:26,161 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init [2022-07-13 23:50:26,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-13 23:50:26,162 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_tuner_demod [2022-07-13 23:50:26,162 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_tuner_demod [2022-07-13 23:50:26,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_mercury_mh_release [2022-07-13 23:50:26,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_mercury_mh_release [2022-07-13 23:50:26,163 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_dvbt [2022-07-13 23:50:26,163 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_dvbt [2022-07-13 23:50:26,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-13 23:50:26,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-13 23:50:26,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 23:50:26,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-13 23:50:26,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-13 23:50:26,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-13 23:50:26,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-13 23:50:26,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-13 23:50:26,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-13 23:50:26,165 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-13 23:50:26,165 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-13 23:50:26,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_atsc_release [2022-07-13 23:50:26,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_atsc_release [2022-07-13 23:50:26,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_mh_release [2022-07-13 23:50:26,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_mh_release [2022-07-13 23:50:26,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_dvbt_release [2022-07-13 23:50:26,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_dvbt_release [2022-07-13 23:50:26,167 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep5_streaming_ctrl [2022-07-13 23:50:26,167 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep5_streaming_ctrl [2022-07-13 23:50:26,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_mercury_release [2022-07-13 23:50:26,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_mercury_release [2022-07-13 23:50:26,167 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_msg [2022-07-13 23:50:26,167 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_msg [2022-07-13 23:50:26,167 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_dvbt [2022-07-13 23:50:26,168 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_dvbt [2022-07-13 23:50:26,168 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mh [2022-07-13 23:50:26,168 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mh [2022-07-13 23:50:26,168 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep4_streaming_ctrl [2022-07-13 23:50:26,168 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep4_streaming_ctrl [2022-07-13 23:50:26,169 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_gpio [2022-07-13 23:50:26,169 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_gpio [2022-07-13 23:50:26,169 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-13 23:50:26,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-13 23:50:26,169 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_atsc_mh [2022-07-13 23:50:26,169 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_atsc_mh [2022-07-13 23:50:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-13 23:50:26,170 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-13 23:50:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_get_chip_info [2022-07-13 23:50:26,171 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_get_chip_info [2022-07-13 23:50:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mercury_mh [2022-07-13 23:50:26,171 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mercury_mh [2022-07-13 23:50:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-13 23:50:26,172 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-13 23:50:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-13 23:50:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-13 23:50:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_enable_usb_output [2022-07-13 23:50:26,172 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_enable_usb_output [2022-07-13 23:50:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-13 23:50:26,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-13 23:50:26,173 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-13 23:50:26,173 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-13 23:50:26,173 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_tuner [2022-07-13 23:50:26,173 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_tuner [2022-07-13 23:50:26,174 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-13 23:50:26,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-13 23:50:26,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-13 23:50:26,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-13 23:50:26,175 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_hw_set_gpio [2022-07-13 23:50:26,175 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_hw_set_gpio [2022-07-13 23:50:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-13 23:50:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 23:50:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_set_device_mode [2022-07-13 23:50:26,178 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_set_device_mode [2022-07-13 23:50:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_program_regs [2022-07-13 23:50:26,179 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_program_regs [2022-07-13 23:50:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-13 23:50:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-13 23:50:26,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-13 23:50:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-13 23:50:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_atsc_mh [2022-07-13 23:50:26,185 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_atsc_mh [2022-07-13 23:50:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_gpio_mode_switch [2022-07-13 23:50:26,186 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_gpio_mode_switch [2022-07-13 23:50:26,186 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2022-07-13 23:50:26,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2022-07-13 23:50:26,186 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mercury [2022-07-13 23:50:26,186 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mercury [2022-07-13 23:50:26,186 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg [2022-07-13 23:50:26,186 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg [2022-07-13 23:50:26,186 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ant_hunt [2022-07-13 23:50:26,187 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ant_hunt [2022-07-13 23:50:26,187 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_ant_path [2022-07-13 23:50:26,187 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_ant_path [2022-07-13 23:50:26,187 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_port_expander [2022-07-13 23:50:26,187 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_port_expander [2022-07-13 23:50:26,187 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-13 23:50:26,187 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-13 23:50:26,187 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_demod [2022-07-13 23:50:26,188 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_demod [2022-07-13 23:50:26,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-13 23:50:26,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_atsc_mh_release [2022-07-13 23:50:26,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_atsc_mh_release [2022-07-13 23:50:26,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 23:50:26,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 23:50:26,188 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_probe [2022-07-13 23:50:26,188 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_top_master_ctrl [2022-07-13 23:50:26,189 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_top_master_ctrl [2022-07-13 23:50:26,877 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 23:50:26,880 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 23:52:03,796 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 23:52:03,813 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 23:52:03,813 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-13 23:52:03,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:52:03 BoogieIcfgContainer [2022-07-13 23:52:03,817 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 23:52:03,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 23:52:03,819 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 23:52:03,821 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 23:52:03,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 11:50:22" (1/3) ... [2022-07-13 23:52:03,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77bc172e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:52:03, skipping insertion in model container [2022-07-13 23:52:03,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:50:25" (2/3) ... [2022-07-13 23:52:03,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77bc172e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:52:03, skipping insertion in model container [2022-07-13 23:52:03,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:52:03" (3/3) ... [2022-07-13 23:52:03,823 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i [2022-07-13 23:52:03,835 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 23:52:03,835 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 23:52:03,909 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 23:52:03,917 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@2f9d8466, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@559c5de1 [2022-07-13 23:52:03,918 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 23:52:03,928 INFO L276 IsEmpty]: Start isEmpty. Operand has 1716 states, 1293 states have (on average 1.5034802784222738) internal successors, (1944), 1328 states have internal predecessors, (1944), 361 states have call successors, (361), 60 states have call predecessors, (361), 60 states have return successors, (361), 341 states have call predecessors, (361), 361 states have call successors, (361) [2022-07-13 23:52:03,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-13 23:52:03,955 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:52:03,955 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:52:03,956 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:52:03,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:52:03,960 INFO L85 PathProgramCache]: Analyzing trace with hash -776624802, now seen corresponding path program 1 times [2022-07-13 23:52:03,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:52:03,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1149720477] [2022-07-13 23:52:03,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:52:03,977 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:52:03,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:52:03,982 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 23:52:03,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-13 23:52:09,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:52:09,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 3921 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 23:52:09,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:52:10,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:52:10,340 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:52:10,342 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:52:10,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1149720477] [2022-07-13 23:52:10,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1149720477] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:52:10,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:52:10,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:52:10,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786442475] [2022-07-13 23:52:10,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:52:10,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:52:10,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:52:10,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:52:10,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:52:10,380 INFO L87 Difference]: Start difference. First operand has 1716 states, 1293 states have (on average 1.5034802784222738) internal successors, (1944), 1328 states have internal predecessors, (1944), 361 states have call successors, (361), 60 states have call predecessors, (361), 60 states have return successors, (361), 341 states have call predecessors, (361), 361 states have call successors, (361) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:52:11,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:52:11,256 INFO L93 Difference]: Finished difference Result 5115 states and 7956 transitions. [2022-07-13 23:52:11,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:52:11,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-07-13 23:52:11,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:52:11,301 INFO L225 Difference]: With dead ends: 5115 [2022-07-13 23:52:11,302 INFO L226 Difference]: Without dead ends: 3398 [2022-07-13 23:52:11,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:52:11,324 INFO L413 NwaCegarLoop]: 3012 mSDtfsCounter, 2617 mSDsluCounter, 2644 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2617 SdHoareTripleChecker+Valid, 5656 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-13 23:52:11,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2617 Valid, 5656 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-13 23:52:11,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3398 states. [2022-07-13 23:52:11,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3398 to 3398. [2022-07-13 23:52:11,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3398 states, 2562 states have (on average 1.5031225604996097) internal successors, (3851), 2624 states have internal predecessors, (3851), 717 states have call successors, (717), 119 states have call predecessors, (717), 118 states have return successors, (712), 672 states have call predecessors, (712), 712 states have call successors, (712) [2022-07-13 23:52:11,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3398 states to 3398 states and 5280 transitions. [2022-07-13 23:52:11,580 INFO L78 Accepts]: Start accepts. Automaton has 3398 states and 5280 transitions. Word has length 22 [2022-07-13 23:52:11,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:52:11,581 INFO L495 AbstractCegarLoop]: Abstraction has 3398 states and 5280 transitions. [2022-07-13 23:52:11,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:52:11,581 INFO L276 IsEmpty]: Start isEmpty. Operand 3398 states and 5280 transitions. [2022-07-13 23:52:11,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-13 23:52:11,587 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:52:11,587 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:52:11,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-13 23:52:11,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 23:52:11,808 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:52:11,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:52:11,808 INFO L85 PathProgramCache]: Analyzing trace with hash -521233759, now seen corresponding path program 1 times [2022-07-13 23:52:11,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:52:11,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1729259102] [2022-07-13 23:52:11,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:52:11,815 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:52:11,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:52:11,816 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 23:52:11,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-13 23:52:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:52:17,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 3933 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 23:52:17,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:52:18,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:52:18,199 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:52:18,199 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:52:18,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1729259102] [2022-07-13 23:52:18,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1729259102] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:52:18,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:52:18,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:52:18,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119247028] [2022-07-13 23:52:18,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:52:18,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:52:18,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:52:18,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:52:18,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:52:18,204 INFO L87 Difference]: Start difference. First operand 3398 states and 5280 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:52:18,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:52:18,760 INFO L93 Difference]: Finished difference Result 3400 states and 5281 transitions. [2022-07-13 23:52:18,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:52:18,760 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-07-13 23:52:18,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:52:18,781 INFO L225 Difference]: With dead ends: 3400 [2022-07-13 23:52:18,781 INFO L226 Difference]: Without dead ends: 3397 [2022-07-13 23:52:18,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:52:18,786 INFO L413 NwaCegarLoop]: 2652 mSDtfsCounter, 2632 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2632 SdHoareTripleChecker+Valid, 2652 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-13 23:52:18,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2632 Valid, 2652 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-13 23:52:18,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2022-07-13 23:52:18,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 3397. [2022-07-13 23:52:18,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3397 states, 2562 states have (on average 1.5027322404371584) internal successors, (3850), 2623 states have internal predecessors, (3850), 716 states have call successors, (716), 119 states have call predecessors, (716), 118 states have return successors, (712), 672 states have call predecessors, (712), 712 states have call successors, (712) [2022-07-13 23:52:18,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3397 states to 3397 states and 5278 transitions. [2022-07-13 23:52:18,934 INFO L78 Accepts]: Start accepts. Automaton has 3397 states and 5278 transitions. Word has length 24 [2022-07-13 23:52:18,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:52:18,934 INFO L495 AbstractCegarLoop]: Abstraction has 3397 states and 5278 transitions. [2022-07-13 23:52:18,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:52:18,935 INFO L276 IsEmpty]: Start isEmpty. Operand 3397 states and 5278 transitions. [2022-07-13 23:52:18,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-13 23:52:18,939 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:52:18,939 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:52:19,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-13 23:52:19,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 23:52:19,155 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:52:19,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:52:19,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1020825823, now seen corresponding path program 1 times [2022-07-13 23:52:19,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:52:19,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1795538175] [2022-07-13 23:52:19,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:52:19,162 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:52:19,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:52:19,167 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 23:52:19,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-13 23:52:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:52:24,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 3934 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 23:52:24,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:52:25,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:52:25,685 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:52:25,685 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:52:25,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1795538175] [2022-07-13 23:52:25,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1795538175] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:52:25,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:52:25,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:52:25,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397343363] [2022-07-13 23:52:25,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:52:25,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:52:25,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:52:25,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:52:25,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:52:25,687 INFO L87 Difference]: Start difference. First operand 3397 states and 5278 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:52:26,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:52:26,249 INFO L93 Difference]: Finished difference Result 3399 states and 5279 transitions. [2022-07-13 23:52:26,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:52:26,249 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-07-13 23:52:26,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:52:26,275 INFO L225 Difference]: With dead ends: 3399 [2022-07-13 23:52:26,275 INFO L226 Difference]: Without dead ends: 3396 [2022-07-13 23:52:26,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:52:26,284 INFO L413 NwaCegarLoop]: 2650 mSDtfsCounter, 2629 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2629 SdHoareTripleChecker+Valid, 2650 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-13 23:52:26,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2629 Valid, 2650 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-13 23:52:26,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3396 states. [2022-07-13 23:52:26,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3396 to 3396. [2022-07-13 23:52:26,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3396 states, 2562 states have (on average 1.5023419203747073) internal successors, (3849), 2622 states have internal predecessors, (3849), 715 states have call successors, (715), 119 states have call predecessors, (715), 118 states have return successors, (712), 672 states have call predecessors, (712), 712 states have call successors, (712) [2022-07-13 23:52:26,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3396 states to 3396 states and 5276 transitions. [2022-07-13 23:52:26,417 INFO L78 Accepts]: Start accepts. Automaton has 3396 states and 5276 transitions. Word has length 25 [2022-07-13 23:52:26,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:52:26,418 INFO L495 AbstractCegarLoop]: Abstraction has 3396 states and 5276 transitions. [2022-07-13 23:52:26,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:52:26,418 INFO L276 IsEmpty]: Start isEmpty. Operand 3396 states and 5276 transitions. [2022-07-13 23:52:26,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-13 23:52:26,422 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:52:26,423 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:52:26,506 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-13 23:52:26,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 23:52:26,643 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:52:26,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:52:26,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1580037476, now seen corresponding path program 1 times [2022-07-13 23:52:26,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:52:26,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [984886712] [2022-07-13 23:52:26,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:52:26,651 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:52:26,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:52:26,653 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 23:52:26,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-13 23:52:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:52:32,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 3935 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 23:52:32,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:52:33,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:52:33,117 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:52:33,117 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:52:33,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [984886712] [2022-07-13 23:52:33,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [984886712] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:52:33,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:52:33,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:52:33,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258850524] [2022-07-13 23:52:33,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:52:33,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:52:33,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:52:33,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:52:33,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:52:33,122 INFO L87 Difference]: Start difference. First operand 3396 states and 5276 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:52:33,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:52:33,711 INFO L93 Difference]: Finished difference Result 3398 states and 5277 transitions. [2022-07-13 23:52:33,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:52:33,711 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-07-13 23:52:33,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:52:33,730 INFO L225 Difference]: With dead ends: 3398 [2022-07-13 23:52:33,731 INFO L226 Difference]: Without dead ends: 3395 [2022-07-13 23:52:33,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:52:33,736 INFO L413 NwaCegarLoop]: 2648 mSDtfsCounter, 2626 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2626 SdHoareTripleChecker+Valid, 2648 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-13 23:52:33,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2626 Valid, 2648 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-13 23:52:33,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3395 states. [2022-07-13 23:52:33,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3395 to 3395. [2022-07-13 23:52:33,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3395 states, 2562 states have (on average 1.501951600312256) internal successors, (3848), 2621 states have internal predecessors, (3848), 714 states have call successors, (714), 119 states have call predecessors, (714), 118 states have return successors, (712), 672 states have call predecessors, (712), 712 states have call successors, (712) [2022-07-13 23:52:33,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3395 states to 3395 states and 5274 transitions. [2022-07-13 23:52:33,860 INFO L78 Accepts]: Start accepts. Automaton has 3395 states and 5274 transitions. Word has length 26 [2022-07-13 23:52:33,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:52:33,860 INFO L495 AbstractCegarLoop]: Abstraction has 3395 states and 5274 transitions. [2022-07-13 23:52:33,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:52:33,861 INFO L276 IsEmpty]: Start isEmpty. Operand 3395 states and 5274 transitions. [2022-07-13 23:52:33,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-07-13 23:52:33,865 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:52:33,865 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:52:33,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-13 23:52:34,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 23:52:34,080 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:52:34,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:52:34,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1735734402, now seen corresponding path program 1 times [2022-07-13 23:52:34,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:52:34,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [319723993] [2022-07-13 23:52:34,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:52:34,086 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:52:34,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:52:34,088 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 23:52:34,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-13 23:52:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:52:39,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 3936 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 23:52:39,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:52:40,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:52:40,467 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:52:40,467 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:52:40,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [319723993] [2022-07-13 23:52:40,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [319723993] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:52:40,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:52:40,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:52:40,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440279252] [2022-07-13 23:52:40,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:52:40,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:52:40,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:52:40,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:52:40,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:52:40,468 INFO L87 Difference]: Start difference. First operand 3395 states and 5274 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:52:40,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:52:40,993 INFO L93 Difference]: Finished difference Result 3397 states and 5275 transitions. [2022-07-13 23:52:40,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:52:40,994 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-07-13 23:52:40,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:52:41,017 INFO L225 Difference]: With dead ends: 3397 [2022-07-13 23:52:41,017 INFO L226 Difference]: Without dead ends: 3394 [2022-07-13 23:52:41,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:52:41,022 INFO L413 NwaCegarLoop]: 2646 mSDtfsCounter, 2623 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2623 SdHoareTripleChecker+Valid, 2646 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-13 23:52:41,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2623 Valid, 2646 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-13 23:52:41,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3394 states. [2022-07-13 23:52:41,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3394 to 3394. [2022-07-13 23:52:41,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3394 states, 2562 states have (on average 1.5015612802498048) internal successors, (3847), 2620 states have internal predecessors, (3847), 713 states have call successors, (713), 119 states have call predecessors, (713), 118 states have return successors, (712), 672 states have call predecessors, (712), 712 states have call successors, (712) [2022-07-13 23:52:41,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3394 states to 3394 states and 5272 transitions. [2022-07-13 23:52:41,155 INFO L78 Accepts]: Start accepts. Automaton has 3394 states and 5272 transitions. Word has length 27 [2022-07-13 23:52:41,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:52:41,156 INFO L495 AbstractCegarLoop]: Abstraction has 3394 states and 5272 transitions. [2022-07-13 23:52:41,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:52:41,156 INFO L276 IsEmpty]: Start isEmpty. Operand 3394 states and 5272 transitions. [2022-07-13 23:52:41,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-13 23:52:41,160 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:52:41,160 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:52:41,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-13 23:52:41,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 23:52:41,380 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:52:41,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:52:41,380 INFO L85 PathProgramCache]: Analyzing trace with hash -2027590617, now seen corresponding path program 1 times [2022-07-13 23:52:41,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:52:41,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [715074577] [2022-07-13 23:52:41,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:52:41,386 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:52:41,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:52:41,387 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 23:52:41,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-13 23:52:46,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:52:46,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 3937 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 23:52:46,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:52:47,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:52:47,702 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:52:47,702 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:52:47,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [715074577] [2022-07-13 23:52:47,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [715074577] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:52:47,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:52:47,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:52:47,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417007356] [2022-07-13 23:52:47,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:52:47,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:52:47,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:52:47,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:52:47,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:52:47,703 INFO L87 Difference]: Start difference. First operand 3394 states and 5272 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:52:48,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:52:48,144 INFO L93 Difference]: Finished difference Result 3394 states and 5272 transitions. [2022-07-13 23:52:48,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:52:48,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-07-13 23:52:48,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:52:48,236 INFO L225 Difference]: With dead ends: 3394 [2022-07-13 23:52:48,236 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 23:52:48,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:52:48,249 INFO L413 NwaCegarLoop]: 2644 mSDtfsCounter, 2619 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2619 SdHoareTripleChecker+Valid, 2644 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-13 23:52:48,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2619 Valid, 2644 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-13 23:52:48,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 23:52:48,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 23:52:48,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:52:48,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 23:52:48,252 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2022-07-13 23:52:48,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:52:48,252 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 23:52:48,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:52:48,252 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 23:52:48,252 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 23:52:48,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 23:52:48,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-13 23:52:48,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 23:52:48,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.