./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 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/32_7a_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-?-791161d [2022-07-22 23:26:45,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 23:26:45,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 23:26:45,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 23:26:45,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 23:26:45,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 23:26:45,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 23:26:45,068 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 23:26:45,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 23:26:45,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 23:26:45,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 23:26:45,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 23:26:45,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 23:26:45,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 23:26:45,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 23:26:45,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 23:26:45,079 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 23:26:45,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 23:26:45,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 23:26:45,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 23:26:45,089 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 23:26:45,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 23:26:45,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 23:26:45,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 23:26:45,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 23:26:45,097 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 23:26:45,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 23:26:45,098 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 23:26:45,099 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 23:26:45,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 23:26:45,100 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 23:26:45,100 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 23:26:45,101 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 23:26:45,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 23:26:45,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 23:26:45,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 23:26:45,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 23:26:45,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 23:26:45,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 23:26:45,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 23:26:45,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 23:26:45,106 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 23:26:45,106 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-22 23:26:45,129 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 23:26:45,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 23:26:45,130 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 23:26:45,130 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 23:26:45,130 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 23:26:45,131 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 23:26:45,131 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 23:26:45,131 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 23:26:45,131 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 23:26:45,132 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 23:26:45,132 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 23:26:45,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 23:26:45,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 23:26:45,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 23:26:45,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 23:26:45,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 23:26:45,133 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 23:26:45,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 23:26:45,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 23:26:45,133 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 23:26:45,134 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 23:26:45,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:26:45,134 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 23:26:45,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 23:26:45,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 23:26:45,134 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 23:26:45,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 23:26:45,135 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 23:26:45,135 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 23:26:45,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 23:26:45,135 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a39498090d656dd87e8bb8647a18e08a0862a7f56f6aac4cd3db5ade7105a6de [2022-07-22 23:26:45,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 23:26:45,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 23:26:45,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 23:26:45,362 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 23:26:45,363 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 23:26:45,363 INFO L432 ainManager$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 [2022-07-22 23:26:45,408 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f32e90956/d94b7e624a5c453daf82debdb0772735/FLAGc48e9ee04 [2022-07-22 23:26:46,012 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 23:26:46,013 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 [2022-07-22 23:26:46,055 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f32e90956/d94b7e624a5c453daf82debdb0772735/FLAGc48e9ee04 [2022-07-22 23:26:46,442 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f32e90956/d94b7e624a5c453daf82debdb0772735 [2022-07-22 23:26:46,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 23:26:46,445 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 23:26:46,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 23:26:46,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 23:26:46,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 23:26:46,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:26:46" (1/1) ... [2022-07-22 23:26:46,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a1319d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:26:46, skipping insertion in model container [2022-07-22 23:26:46,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:26:46" (1/1) ... [2022-07-22 23:26:46,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 23:26:46,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 23:26:48,020 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] [2022-07-22 23:26:48,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:26:48,192 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 23:26:48,454 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) [2022-07-22 23:26:48,458 INFO L158 Benchmark]: Toolchain (without parser) took 2012.09ms. Allocated memory was 125.8MB in the beginning and 176.2MB in the end (delta: 50.3MB). Free memory was 77.3MB in the beginning and 71.2MB in the end (delta: 6.1MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. [2022-07-22 23:26:48,459 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 92.3MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 23:26:48,461 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2009.13ms. Allocated memory was 125.8MB in the beginning and 176.2MB in the end (delta: 50.3MB). Free memory was 77.0MB in the beginning and 71.2MB in the end (delta: 5.8MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. [2022-07-22 23:26:48,462 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 92.3MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2009.13ms. Allocated memory was 125.8MB in the beginning and 176.2MB in the end (delta: 50.3MB). Free memory was 77.0MB in the beginning and 71.2MB in the end (delta: 5.8MB). Peak memory consumption was 74.9MB. 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-?-791161d [2022-07-22 23:26:50,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 23:26:50,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 23:26:50,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 23:26:50,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 23:26:50,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 23:26:50,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 23:26:50,121 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 23:26:50,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 23:26:50,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 23:26:50,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 23:26:50,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 23:26:50,133 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 23:26:50,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 23:26:50,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 23:26:50,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 23:26:50,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 23:26:50,144 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 23:26:50,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 23:26:50,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 23:26:50,153 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 23:26:50,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 23:26:50,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 23:26:50,156 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 23:26:50,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 23:26:50,164 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 23:26:50,166 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 23:26:50,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 23:26:50,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 23:26:50,168 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 23:26:50,169 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 23:26:50,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 23:26:50,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 23:26:50,171 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 23:26:50,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 23:26:50,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 23:26:50,173 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 23:26:50,173 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 23:26:50,174 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 23:26:50,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 23:26:50,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 23:26:50,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 23:26:50,180 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-22 23:26:50,203 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 23:26:50,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 23:26:50,204 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 23:26:50,204 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 23:26:50,204 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 23:26:50,205 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 23:26:50,205 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 23:26:50,205 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 23:26:50,205 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 23:26:50,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 23:26:50,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 23:26:50,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 23:26:50,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 23:26:50,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 23:26:50,214 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-22 23:26:50,214 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-22 23:26:50,214 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-22 23:26:50,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 23:26:50,215 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 23:26:50,215 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 23:26:50,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 23:26:50,215 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 23:26:50,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 23:26:50,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:26:50,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 23:26:50,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 23:26:50,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 23:26:50,216 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-22 23:26:50,216 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-22 23:26:50,216 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 23:26:50,217 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 23:26:50,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 23:26:50,217 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-22 23:26:50,217 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a39498090d656dd87e8bb8647a18e08a0862a7f56f6aac4cd3db5ade7105a6de [2022-07-22 23:26:50,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 23:26:50,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 23:26:50,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 23:26:50,511 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 23:26:50,512 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 23:26:50,513 INFO L432 ainManager$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 [2022-07-22 23:26:50,562 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c10b2e56d/1f05093ad63e41e0b4810ced65d4bc6e/FLAGadeae7dae [2022-07-22 23:26:51,241 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 23:26:51,242 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 [2022-07-22 23:26:51,282 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c10b2e56d/1f05093ad63e41e0b4810ced65d4bc6e/FLAGadeae7dae [2022-07-22 23:26:51,593 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c10b2e56d/1f05093ad63e41e0b4810ced65d4bc6e [2022-07-22 23:26:51,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 23:26:51,596 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 23:26:51,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 23:26:51,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 23:26:51,601 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 23:26:51,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:26:51" (1/1) ... [2022-07-22 23:26:51,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f416abb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:26:51, skipping insertion in model container [2022-07-22 23:26:51,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:26:51" (1/1) ... [2022-07-22 23:26:51,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 23:26:51,721 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 23:26:53,227 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] [2022-07-22 23:26:53,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:26:53,367 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-22 23:26:53,414 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 23:26:53,663 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] [2022-07-22 23:26:53,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:26:53,700 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 23:26:54,060 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] [2022-07-22 23:26:54,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:26:54,281 INFO L208 MainTranslator]: Completed translation [2022-07-22 23:26:54,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:26:54 WrapperNode [2022-07-22 23:26:54,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 23:26:54,283 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 23:26:54,283 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 23:26:54,283 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 23:26:54,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:26:54" (1/1) ... [2022-07-22 23:26:54,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:26:54" (1/1) ... [2022-07-22 23:26:54,511 INFO L137 Inliner]: procedures = 243, calls = 4038, calls flagged for inlining = 60, calls inlined = 42, statements flattened = 4574 [2022-07-22 23:26:54,512 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 23:26:54,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 23:26:54,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 23:26:54,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 23:26:54,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:26:54" (1/1) ... [2022-07-22 23:26:54,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:26:54" (1/1) ... [2022-07-22 23:26:54,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:26:54" (1/1) ... [2022-07-22 23:26:54,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:26:54" (1/1) ... [2022-07-22 23:26:54,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:26:54" (1/1) ... [2022-07-22 23:26:54,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:26:54" (1/1) ... [2022-07-22 23:26:54,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:26:54" (1/1) ... [2022-07-22 23:26:54,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 23:26:54,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 23:26:54,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 23:26:54,728 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 23:26:54,728 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:26:54" (1/1) ... [2022-07-22 23:26:54,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:26:54,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 23:26:54,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-22 23:26:54,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-22 23:26:54,779 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-22 23:26:54,779 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-22 23:26:54,779 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_read_reg [2022-07-22 23:26:54,779 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_read_reg [2022-07-22 23:26:54,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-22 23:26:54,779 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury [2022-07-22 23:26:54,780 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury [2022-07-22 23:26:54,780 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-22 23:26:54,780 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-22 23:26:54,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-22 23:26:54,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-22 23:26:54,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-22 23:26:54,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-22 23:26:54,780 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_atsc [2022-07-22 23:26:54,780 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_atsc [2022-07-22 23:26:54,781 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-22 23:26:54,781 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-22 23:26:54,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-22 23:26:54,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-22 23:26:54,781 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury [2022-07-22 23:26:54,781 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury [2022-07-22 23:26:54,781 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2160_frontend_attach [2022-07-22 23:26:54,781 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2160_frontend_attach [2022-07-22 23:26:54,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-22 23:26:54,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-22 23:26:54,782 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_config_pin_mux_modes [2022-07-22 23:26:54,782 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_config_pin_mux_modes [2022-07-22 23:26:54,782 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2022-07-22 23:26:54,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2022-07-22 23:26:54,783 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_isoc [2022-07-22 23:26:54,783 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_isoc [2022-07-22 23:26:54,783 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mh [2022-07-22 23:26:54,783 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mh [2022-07-22 23:26:54,783 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc [2022-07-22 23:26:54,783 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc [2022-07-22 23:26:54,783 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep6_streaming_ctrl [2022-07-22 23:26:54,783 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep6_streaming_ctrl [2022-07-22 23:26:54,784 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg_mask [2022-07-22 23:26:54,784 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg_mask [2022-07-22 23:26:54,784 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_soft_reset [2022-07-22 23:26:54,784 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_soft_reset [2022-07-22 23:26:54,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 23:26:54,784 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_bulk [2022-07-22 23:26:54,784 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_bulk [2022-07-22 23:26:54,785 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init [2022-07-22 23:26:54,785 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init [2022-07-22 23:26:54,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 23:26:54,785 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_tuner_demod [2022-07-22 23:26:54,785 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_tuner_demod [2022-07-22 23:26:54,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_mercury_mh_release [2022-07-22 23:26:54,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_mercury_mh_release [2022-07-22 23:26:54,786 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_dvbt [2022-07-22 23:26:54,787 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_dvbt [2022-07-22 23:26:54,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-22 23:26:54,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-22 23:26:54,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 23:26:54,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-22 23:26:54,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-22 23:26:54,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-22 23:26:54,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-22 23:26:54,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-22 23:26:54,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-22 23:26:54,788 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-22 23:26:54,788 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-22 23:26:54,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_atsc_release [2022-07-22 23:26:54,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_atsc_release [2022-07-22 23:26:54,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_mh_release [2022-07-22 23:26:54,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_mh_release [2022-07-22 23:26:54,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_dvbt_release [2022-07-22 23:26:54,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_dvbt_release [2022-07-22 23:26:54,789 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep5_streaming_ctrl [2022-07-22 23:26:54,789 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep5_streaming_ctrl [2022-07-22 23:26:54,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_mercury_release [2022-07-22 23:26:54,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_mercury_release [2022-07-22 23:26:54,790 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_msg [2022-07-22 23:26:54,790 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_msg [2022-07-22 23:26:54,790 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_dvbt [2022-07-22 23:26:54,790 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_dvbt [2022-07-22 23:26:54,790 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mh [2022-07-22 23:26:54,790 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mh [2022-07-22 23:26:54,790 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep4_streaming_ctrl [2022-07-22 23:26:54,790 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep4_streaming_ctrl [2022-07-22 23:26:54,791 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_gpio [2022-07-22 23:26:54,791 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_gpio [2022-07-22 23:26:54,791 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-22 23:26:54,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-22 23:26:54,791 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_atsc_mh [2022-07-22 23:26:54,791 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_atsc_mh [2022-07-22 23:26:54,792 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-22 23:26:54,792 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-22 23:26:54,792 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_get_chip_info [2022-07-22 23:26:54,792 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_get_chip_info [2022-07-22 23:26:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mercury_mh [2022-07-22 23:26:54,793 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mercury_mh [2022-07-22 23:26:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-22 23:26:54,793 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-22 23:26:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-22 23:26:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-22 23:26:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_enable_usb_output [2022-07-22 23:26:54,794 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_enable_usb_output [2022-07-22 23:26:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-22 23:26:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-22 23:26:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-22 23:26:54,794 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-22 23:26:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_tuner [2022-07-22 23:26:54,794 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_tuner [2022-07-22 23:26:54,795 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-22 23:26:54,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-22 23:26:54,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-22 23:26:54,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-22 23:26:54,795 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_hw_set_gpio [2022-07-22 23:26:54,796 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_hw_set_gpio [2022-07-22 23:26:54,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 23:26:54,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 23:26:54,798 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_set_device_mode [2022-07-22 23:26:54,798 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_set_device_mode [2022-07-22 23:26:54,799 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_program_regs [2022-07-22 23:26:54,799 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_program_regs [2022-07-22 23:26:54,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 23:26:54,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-22 23:26:54,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-22 23:26:54,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-22 23:26:54,804 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_atsc_mh [2022-07-22 23:26:54,804 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_atsc_mh [2022-07-22 23:26:54,804 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_gpio_mode_switch [2022-07-22 23:26:54,804 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_gpio_mode_switch [2022-07-22 23:26:54,804 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2022-07-22 23:26:54,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2022-07-22 23:26:54,804 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mercury [2022-07-22 23:26:54,805 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mercury [2022-07-22 23:26:54,805 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg [2022-07-22 23:26:54,805 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg [2022-07-22 23:26:54,805 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ant_hunt [2022-07-22 23:26:54,805 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ant_hunt [2022-07-22 23:26:54,805 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_ant_path [2022-07-22 23:26:54,805 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_ant_path [2022-07-22 23:26:54,805 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_port_expander [2022-07-22 23:26:54,805 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_port_expander [2022-07-22 23:26:54,805 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-22 23:26:54,806 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-22 23:26:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_demod [2022-07-22 23:26:54,806 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_demod [2022-07-22 23:26:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-22 23:26:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_atsc_mh_release [2022-07-22 23:26:54,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_atsc_mh_release [2022-07-22 23:26:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 23:26:54,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 23:26:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_probe [2022-07-22 23:26:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_top_master_ctrl [2022-07-22 23:26:54,806 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_top_master_ctrl [2022-07-22 23:26:55,342 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 23:26:55,344 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 23:28:32,705 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 23:28:32,725 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 23:28:32,726 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 23:28:32,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:28:32 BoogieIcfgContainer [2022-07-22 23:28:32,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 23:28:32,732 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 23:28:32,732 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 23:28:32,734 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 23:28:32,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 11:26:51" (1/3) ... [2022-07-22 23:28:32,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@381e4bfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:28:32, skipping insertion in model container [2022-07-22 23:28:32,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:26:54" (2/3) ... [2022-07-22 23:28:32,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@381e4bfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:28:32, skipping insertion in model container [2022-07-22 23:28:32,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:28:32" (3/3) ... [2022-07-22 23:28:32,736 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 [2022-07-22 23:28:32,745 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 23:28:32,745 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 23:28:32,811 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 23:28:32,817 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@64c1f032, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3665fc6b [2022-07-22 23:28:32,818 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 23:28:32,826 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) [2022-07-22 23:28:32,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-22 23:28:32,850 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:28:32,851 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] [2022-07-22 23:28:32,851 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:28:32,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:28:32,856 INFO L85 PathProgramCache]: Analyzing trace with hash -776624802, now seen corresponding path program 1 times [2022-07-22 23:28:32,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:28:32,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1675590257] [2022-07-22 23:28:32,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:28:32,871 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:28:32,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:28:32,900 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 23:28:32,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-22 23:28:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:28:38,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 3921 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:28:38,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:28:38,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:28:38,567 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:28:38,568 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:28:38,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1675590257] [2022-07-22 23:28:38,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1675590257] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:28:38,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:28:38,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:28:38,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385223313] [2022-07-22 23:28:38,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:28:38,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:28:38,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:28:38,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:28:38,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:28:38,591 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) [2022-07-22 23:28:39,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:28:39,427 INFO L93 Difference]: Finished difference Result 5115 states and 7956 transitions. [2022-07-22 23:28:39,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:28:39,429 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 [2022-07-22 23:28:39,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:28:39,462 INFO L225 Difference]: With dead ends: 5115 [2022-07-22 23:28:39,463 INFO L226 Difference]: Without dead ends: 3398 [2022-07-22 23:28:39,478 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 [2022-07-22 23:28:39,482 INFO L413 NwaCegarLoop]: 3012 mSDtfsCounter, 2617 mSDsluCounter, 2644 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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 [2022-07-22 23:28:39,484 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] [2022-07-22 23:28:39,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3398 states. [2022-07-22 23:28:39,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3398 to 3398. [2022-07-22 23:28:39,747 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) [2022-07-22 23:28:39,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3398 states to 3398 states and 5280 transitions. [2022-07-22 23:28:39,768 INFO L78 Accepts]: Start accepts. Automaton has 3398 states and 5280 transitions. Word has length 22 [2022-07-22 23:28:39,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:28:39,768 INFO L495 AbstractCegarLoop]: Abstraction has 3398 states and 5280 transitions. [2022-07-22 23:28:39,769 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) [2022-07-22 23:28:39,769 INFO L276 IsEmpty]: Start isEmpty. Operand 3398 states and 5280 transitions. [2022-07-22 23:28:39,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-22 23:28:39,774 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:28:39,774 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] [2022-07-22 23:28:39,859 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-22 23:28:39,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:28:39,988 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:28:39,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:28:39,989 INFO L85 PathProgramCache]: Analyzing trace with hash -521233759, now seen corresponding path program 1 times [2022-07-22 23:28:39,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:28:39,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1027296278] [2022-07-22 23:28:39,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:28:39,994 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:28:39,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:28:40,008 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 23:28:40,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-22 23:28:44,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:28:45,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 3933 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:28:45,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:28:45,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:28:45,847 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:28:45,848 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:28:45,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1027296278] [2022-07-22 23:28:45,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1027296278] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:28:45,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:28:45,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:28:45,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353539665] [2022-07-22 23:28:45,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:28:45,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:28:45,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:28:45,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:28:45,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:28:45,849 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) [2022-07-22 23:28:46,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:28:46,314 INFO L93 Difference]: Finished difference Result 3400 states and 5281 transitions. [2022-07-22 23:28:46,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:28:46,315 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 [2022-07-22 23:28:46,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:28:46,328 INFO L225 Difference]: With dead ends: 3400 [2022-07-22 23:28:46,328 INFO L226 Difference]: Without dead ends: 3397 [2022-07-22 23:28:46,329 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 [2022-07-22 23:28:46,330 INFO L413 NwaCegarLoop]: 2652 mSDtfsCounter, 2632 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-07-22 23:28:46,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2632 Valid, 2652 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-22 23:28:46,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2022-07-22 23:28:46,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 3397. [2022-07-22 23:28:46,394 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) [2022-07-22 23:28:46,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3397 states to 3397 states and 5278 transitions. [2022-07-22 23:28:46,416 INFO L78 Accepts]: Start accepts. Automaton has 3397 states and 5278 transitions. Word has length 24 [2022-07-22 23:28:46,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:28:46,417 INFO L495 AbstractCegarLoop]: Abstraction has 3397 states and 5278 transitions. [2022-07-22 23:28:46,417 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) [2022-07-22 23:28:46,417 INFO L276 IsEmpty]: Start isEmpty. Operand 3397 states and 5278 transitions. [2022-07-22 23:28:46,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-22 23:28:46,420 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:28:46,420 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:28:46,480 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-22 23:28:46,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:28:46,643 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:28:46,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:28:46,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1020825823, now seen corresponding path program 1 times [2022-07-22 23:28:46,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:28:46,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [555263886] [2022-07-22 23:28:46,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:28:46,648 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:28:46,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:28:46,650 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 23:28:46,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-22 23:28:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:28:51,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 3934 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:28:51,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:28:52,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:28:52,515 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:28:52,515 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:28:52,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [555263886] [2022-07-22 23:28:52,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [555263886] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:28:52,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:28:52,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:28:52,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71179537] [2022-07-22 23:28:52,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:28:52,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:28:52,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:28:52,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:28:52,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:28:52,516 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) [2022-07-22 23:28:52,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:28:52,979 INFO L93 Difference]: Finished difference Result 3399 states and 5279 transitions. [2022-07-22 23:28:52,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:28:52,979 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-07-22 23:28:52,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:28:52,996 INFO L225 Difference]: With dead ends: 3399 [2022-07-22 23:28:52,996 INFO L226 Difference]: Without dead ends: 3396 [2022-07-22 23:28:52,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:28:52,999 INFO L413 NwaCegarLoop]: 2650 mSDtfsCounter, 2629 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-07-22 23:28:53,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2629 Valid, 2650 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-22 23:28:53,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3396 states. [2022-07-22 23:28:53,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3396 to 3396. [2022-07-22 23:28:53,131 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) [2022-07-22 23:28:53,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3396 states to 3396 states and 5276 transitions. [2022-07-22 23:28:53,146 INFO L78 Accepts]: Start accepts. Automaton has 3396 states and 5276 transitions. Word has length 25 [2022-07-22 23:28:53,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:28:53,146 INFO L495 AbstractCegarLoop]: Abstraction has 3396 states and 5276 transitions. [2022-07-22 23:28:53,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 23:28:53,146 INFO L276 IsEmpty]: Start isEmpty. Operand 3396 states and 5276 transitions. [2022-07-22 23:28:53,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-22 23:28:53,149 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:28:53,149 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:28:53,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-22 23:28:53,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:28:53,363 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:28:53,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:28:53,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1580037476, now seen corresponding path program 1 times [2022-07-22 23:28:53,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:28:53,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1147119045] [2022-07-22 23:28:53,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:28:53,367 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:28:53,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:28:53,369 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 23:28:53,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-22 23:28:58,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:28:58,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 3935 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:28:58,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:28:59,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:28:59,339 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:28:59,339 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:28:59,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1147119045] [2022-07-22 23:28:59,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1147119045] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:28:59,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:28:59,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:28:59,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9376934] [2022-07-22 23:28:59,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:28:59,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:28:59,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:28:59,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:28:59,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:28:59,340 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) [2022-07-22 23:28:59,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:28:59,796 INFO L93 Difference]: Finished difference Result 3398 states and 5277 transitions. [2022-07-22 23:28:59,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:28:59,797 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-07-22 23:28:59,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:28:59,810 INFO L225 Difference]: With dead ends: 3398 [2022-07-22 23:28:59,810 INFO L226 Difference]: Without dead ends: 3395 [2022-07-22 23:28:59,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:28:59,813 INFO L413 NwaCegarLoop]: 2648 mSDtfsCounter, 2626 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-07-22 23:28:59,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2626 Valid, 2648 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-22 23:28:59,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3395 states. [2022-07-22 23:28:59,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3395 to 3395. [2022-07-22 23:28:59,886 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) [2022-07-22 23:28:59,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3395 states to 3395 states and 5274 transitions. [2022-07-22 23:28:59,897 INFO L78 Accepts]: Start accepts. Automaton has 3395 states and 5274 transitions. Word has length 26 [2022-07-22 23:28:59,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:28:59,898 INFO L495 AbstractCegarLoop]: Abstraction has 3395 states and 5274 transitions. [2022-07-22 23:28:59,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 23:28:59,898 INFO L276 IsEmpty]: Start isEmpty. Operand 3395 states and 5274 transitions. [2022-07-22 23:28:59,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-07-22 23:28:59,900 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:28:59,901 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:28:59,958 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-22 23:29:00,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:29:00,127 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:29:00,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:29:00,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1735734402, now seen corresponding path program 1 times [2022-07-22 23:29:00,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:29:00,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [544432615] [2022-07-22 23:29:00,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:29:00,132 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:29:00,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:29:00,134 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 23:29:00,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-22 23:29:05,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:29:05,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 3936 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:29:05,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:29:06,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:29:06,112 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:29:06,112 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:29:06,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [544432615] [2022-07-22 23:29:06,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [544432615] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:29:06,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:29:06,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:29:06,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126511927] [2022-07-22 23:29:06,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:29:06,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:29:06,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:29:06,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:29:06,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:29:06,113 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) [2022-07-22 23:29:06,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:29:06,602 INFO L93 Difference]: Finished difference Result 3397 states and 5275 transitions. [2022-07-22 23:29:06,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:29:06,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-07-22 23:29:06,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:29:06,615 INFO L225 Difference]: With dead ends: 3397 [2022-07-22 23:29:06,615 INFO L226 Difference]: Without dead ends: 3394 [2022-07-22 23:29:06,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:29:06,617 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, 0.4s IncrementalHoareTripleChecker+Time [2022-07-22 23:29:06,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2623 Valid, 2646 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-22 23:29:06,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3394 states. [2022-07-22 23:29:06,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3394 to 3394. [2022-07-22 23:29:06,681 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) [2022-07-22 23:29:06,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3394 states to 3394 states and 5272 transitions. [2022-07-22 23:29:06,691 INFO L78 Accepts]: Start accepts. Automaton has 3394 states and 5272 transitions. Word has length 27 [2022-07-22 23:29:06,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:29:06,691 INFO L495 AbstractCegarLoop]: Abstraction has 3394 states and 5272 transitions. [2022-07-22 23:29:06,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 23:29:06,692 INFO L276 IsEmpty]: Start isEmpty. Operand 3394 states and 5272 transitions. [2022-07-22 23:29:06,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-22 23:29:06,694 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:29:06,694 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:29:06,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-22 23:29:06,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:29:06,912 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:29:06,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:29:06,913 INFO L85 PathProgramCache]: Analyzing trace with hash -2027590617, now seen corresponding path program 1 times [2022-07-22 23:29:06,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:29:06,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1631043229] [2022-07-22 23:29:06,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:29:06,916 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:29:06,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:29:06,918 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 23:29:06,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-22 23:29:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:29:11,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 3937 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:29:11,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:29:12,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 23:29:12,785 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:29:12,785 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:29:12,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1631043229] [2022-07-22 23:29:12,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1631043229] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:29:12,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:29:12,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:29:12,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168435873] [2022-07-22 23:29:12,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:29:12,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:29:12,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:29:12,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:29:12,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:29:12,787 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) [2022-07-22 23:29:13,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:29:13,185 INFO L93 Difference]: Finished difference Result 3394 states and 5272 transitions. [2022-07-22 23:29:13,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:29:13,300 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-07-22 23:29:13,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:29:13,300 INFO L225 Difference]: With dead ends: 3394 [2022-07-22 23:29:13,300 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 23:29:13,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:29:13,314 INFO L413 NwaCegarLoop]: 2644 mSDtfsCounter, 2619 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 23:29:13,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2619 Valid, 2644 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 23:29:13,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 23:29:13,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 23:29:13,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 23:29:13,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 23:29:13,315 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2022-07-22 23:29:13,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:29:13,316 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 23:29:13,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 23:29:13,316 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 23:29:13,316 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 23:29:13,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 23:29:13,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-22 23:29:13,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:29:13,545 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.