./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 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-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.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 d62cca735e5e5c3ed49d61d09e2b8d7696fac03708570c9e23afbb5bfdcaa275 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 03:53:45,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 03:53:45,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 03:53:45,393 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 03:53:45,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 03:53:45,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 03:53:45,394 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 03:53:45,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 03:53:45,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 03:53:45,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 03:53:45,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 03:53:45,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 03:53:45,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 03:53:45,412 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 03:53:45,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 03:53:45,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 03:53:45,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 03:53:45,420 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 03:53:45,422 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 03:53:45,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 03:53:45,424 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 03:53:45,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 03:53:45,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 03:53:45,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 03:53:45,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 03:53:45,433 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 03:53:45,437 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 03:53:45,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 03:53:45,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 03:53:45,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 03:53:45,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 03:53:45,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 03:53:45,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 03:53:45,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 03:53:45,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 03:53:45,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 03:53:45,443 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 03:53:45,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 03:53:45,444 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 03:53:45,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 03:53:45,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 03:53:45,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 03:53:45,447 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 03:53:45,479 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 03:53:45,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 03:53:45,480 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 03:53:45,480 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 03:53:45,481 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 03:53:45,481 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 03:53:45,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 03:53:45,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 03:53:45,482 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 03:53:45,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 03:53:45,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 03:53:45,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 03:53:45,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 03:53:45,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 03:53:45,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 03:53:45,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 03:53:45,483 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 03:53:45,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 03:53:45,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 03:53:45,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 03:53:45,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 03:53:45,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:53:45,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 03:53:45,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 03:53:45,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 03:53:45,485 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 03:53:45,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 03:53:45,485 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 03:53:45,486 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 03:53:45,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 03:53:45,486 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d62cca735e5e5c3ed49d61d09e2b8d7696fac03708570c9e23afbb5bfdcaa275 [2022-07-20 03:53:45,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 03:53:45,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 03:53:45,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 03:53:45,725 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 03:53:45,726 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 03:53:45,727 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2022-07-20 03:53:45,779 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/174622af9/529617a8c4e74db18edf8693e1fda2d2/FLAGa6b8d388f [2022-07-20 03:53:46,608 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 03:53:46,608 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2022-07-20 03:53:46,651 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/174622af9/529617a8c4e74db18edf8693e1fda2d2/FLAGa6b8d388f [2022-07-20 03:53:46,801 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/174622af9/529617a8c4e74db18edf8693e1fda2d2 [2022-07-20 03:53:46,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 03:53:46,804 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 03:53:46,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 03:53:46,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 03:53:46,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 03:53:46,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:53:46" (1/1) ... [2022-07-20 03:53:46,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29513453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:53:46, skipping insertion in model container [2022-07-20 03:53:46,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:53:46" (1/1) ... [2022-07-20 03:53:46,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 03:53:46,945 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:53:48,969 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-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[361017,361030] [2022-07-20 03:53:49,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:53:49,163 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 03:53:49,338 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: tmp8 = (unsigned int )tmp8 & 63U [5545] 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) [2022-07-20 03:53:49,348 INFO L158 Benchmark]: Toolchain (without parser) took 2541.79ms. Allocated memory was 83.9MB in the beginning and 201.3MB in the end (delta: 117.4MB). Free memory was 57.2MB in the beginning and 133.1MB in the end (delta: -75.9MB). Peak memory consumption was 78.8MB. Max. memory is 16.1GB. [2022-07-20 03:53:49,349 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory is still 63.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 03:53:49,351 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2540.32ms. Allocated memory was 83.9MB in the beginning and 201.3MB in the end (delta: 117.4MB). Free memory was 56.9MB in the beginning and 133.1MB in the end (delta: -76.2MB). Peak memory consumption was 78.8MB. Max. memory is 16.1GB. [2022-07-20 03:53:49,353 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory is still 63.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2540.32ms. Allocated memory was 83.9MB in the beginning and 201.3MB in the end (delta: 117.4MB). Free memory was 56.9MB in the beginning and 133.1MB in the end (delta: -76.2MB). Peak memory consumption was 78.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: tmp8 = (unsigned int )tmp8 & 63U [5545] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: tmp8 = (unsigned int )tmp8 & 63U [5545]: 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-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.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 d62cca735e5e5c3ed49d61d09e2b8d7696fac03708570c9e23afbb5bfdcaa275 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 03:53:50,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 03:53:50,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 03:53:51,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 03:53:51,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 03:53:51,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 03:53:51,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 03:53:51,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 03:53:51,024 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 03:53:51,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 03:53:51,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 03:53:51,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 03:53:51,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 03:53:51,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 03:53:51,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 03:53:51,030 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 03:53:51,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 03:53:51,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 03:53:51,033 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 03:53:51,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 03:53:51,036 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 03:53:51,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 03:53:51,038 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 03:53:51,039 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 03:53:51,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 03:53:51,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 03:53:51,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 03:53:51,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 03:53:51,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 03:53:51,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 03:53:51,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 03:53:51,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 03:53:51,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 03:53:51,052 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 03:53:51,052 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 03:53:51,053 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 03:53:51,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 03:53:51,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 03:53:51,054 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 03:53:51,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 03:53:51,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 03:53:51,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 03:53:51,057 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 03:53:51,077 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 03:53:51,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 03:53:51,077 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 03:53:51,078 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 03:53:51,078 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 03:53:51,079 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 03:53:51,079 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 03:53:51,080 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 03:53:51,080 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 03:53:51,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 03:53:51,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 03:53:51,080 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 03:53:51,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 03:53:51,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 03:53:51,081 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 03:53:51,081 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 03:53:51,081 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 03:53:51,081 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 03:53:51,082 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 03:53:51,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 03:53:51,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 03:53:51,082 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 03:53:51,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 03:53:51,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:53:51,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 03:53:51,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 03:53:51,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 03:53:51,084 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 03:53:51,084 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 03:53:51,084 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 03:53:51,084 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 03:53:51,084 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 03:53:51,085 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 03:53:51,085 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d62cca735e5e5c3ed49d61d09e2b8d7696fac03708570c9e23afbb5bfdcaa275 [2022-07-20 03:53:51,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 03:53:51,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 03:53:51,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 03:53:51,409 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 03:53:51,412 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 03:53:51,413 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2022-07-20 03:53:51,468 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d4d841ad/7ec66ef7e3ac49419568db6c78c4e426/FLAG23c63adad [2022-07-20 03:53:52,223 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 03:53:52,224 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2022-07-20 03:53:52,268 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d4d841ad/7ec66ef7e3ac49419568db6c78c4e426/FLAG23c63adad [2022-07-20 03:53:52,759 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d4d841ad/7ec66ef7e3ac49419568db6c78c4e426 [2022-07-20 03:53:52,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 03:53:52,762 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 03:53:52,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 03:53:52,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 03:53:52,769 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 03:53:52,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:53:52" (1/1) ... [2022-07-20 03:53:52,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d102e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:53:52, skipping insertion in model container [2022-07-20 03:53:52,772 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:53:52" (1/1) ... [2022-07-20 03:53:52,777 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 03:53:52,899 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:53:55,309 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-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[361017,361030] [2022-07-20 03:53:55,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:53:55,502 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 03:53:55,600 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:53:55,989 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-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[361017,361030] [2022-07-20 03:53:55,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:53:56,067 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 03:53:56,340 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-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[361017,361030] [2022-07-20 03:53:56,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:53:56,505 INFO L208 MainTranslator]: Completed translation [2022-07-20 03:53:56,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:53:56 WrapperNode [2022-07-20 03:53:56,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 03:53:56,507 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 03:53:56,507 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 03:53:56,507 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 03:53:56,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:53:56" (1/1) ... [2022-07-20 03:53:56,700 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:53:56" (1/1) ... [2022-07-20 03:53:57,028 INFO L137 Inliner]: procedures = 374, calls = 7215, calls flagged for inlining = 183, calls inlined = 137, statements flattened = 11408 [2022-07-20 03:53:57,029 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 03:53:57,030 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 03:53:57,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 03:53:57,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 03:53:57,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:53:56" (1/1) ... [2022-07-20 03:53:57,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:53:56" (1/1) ... [2022-07-20 03:53:57,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:53:56" (1/1) ... [2022-07-20 03:53:57,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:53:56" (1/1) ... [2022-07-20 03:53:57,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:53:56" (1/1) ... [2022-07-20 03:53:57,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:53:56" (1/1) ... [2022-07-20 03:53:57,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:53:56" (1/1) ... [2022-07-20 03:53:57,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 03:53:57,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 03:53:57,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 03:53:57,493 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 03:53:57,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:53:56" (1/1) ... [2022-07-20 03:53:57,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:53:57,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 03:53:57,523 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) [2022-07-20 03:53:57,533 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 [2022-07-20 03:53:57,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 03:53:57,558 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-20 03:53:57,558 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-20 03:53:57,558 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-20 03:53:57,558 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-20 03:53:57,558 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-07-20 03:53:57,558 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-07-20 03:53:57,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 03:53:57,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 03:53:57,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 03:53:57,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 03:53:57,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 03:53:57,559 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-20 03:53:57,559 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-20 03:53:57,560 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_recv_bulk_msg [2022-07-20 03:53:57,560 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_recv_bulk_msg [2022-07-20 03:53:57,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 03:53:57,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 03:53:57,560 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_save_screen [2022-07-20 03:53:57,560 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_save_screen [2022-07-20 03:53:57,560 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_free_buffers [2022-07-20 03:53:57,561 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_free_buffers [2022-07-20 03:53:57,561 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_disconnect [2022-07-20 03:53:57,561 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_disconnect [2022-07-20 03:53:57,561 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_deinit [2022-07-20 03:53:57,561 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_deinit [2022-07-20 03:53:57,561 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_memio_byte [2022-07-20 03:53:57,561 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_memio_byte [2022-07-20 03:53:57,561 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-20 03:53:57,562 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-20 03:53:57,562 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-07-20 03:53:57,562 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-07-20 03:53:57,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 03:53:57,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 03:53:57,562 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_set_cursor [2022-07-20 03:53:57,562 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_set_cursor [2022-07-20 03:53:57,563 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2022-07-20 03:53:57,563 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2022-07-20 03:53:57,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-07-20 03:53:57,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-07-20 03:53:57,563 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_memio_word [2022-07-20 03:53:57,563 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_memio_word [2022-07-20 03:53:57,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 03:53:57,564 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 03:53:57,564 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetReg [2022-07-20 03:53:57,564 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetReg [2022-07-20 03:53:57,564 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-20 03:53:57,564 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-20 03:53:57,564 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_get_sisusb_lock_and_check [2022-07-20 03:53:57,564 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_get_sisusb_lock_and_check [2022-07-20 03:53:57,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 03:53:57,565 INFO L130 BoogieDeclarations]: Found specification of procedure take_over_console [2022-07-20 03:53:57,565 INFO L138 BoogieDeclarations]: Found implementation of procedure take_over_console [2022-07-20 03:53:57,565 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_sisusb_valid [2022-07-20 03:53:57,565 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_sisusb_valid [2022-07-20 03:53:57,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 03:53:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegOR [2022-07-20 03:53:57,566 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegOR [2022-07-20 03:53:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_sisusb_usb_data [2022-07-20 03:53:57,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_sisusb_usb_data [2022-07-20 03:53:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-20 03:53:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_check_rbc [2022-07-20 03:53:57,566 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_check_rbc [2022-07-20 03:53:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-20 03:53:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 03:53:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 03:53:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 03:53:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 03:53:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 03:53:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-20 03:53:57,568 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-20 03:53:57,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-20 03:53:57,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 03:53:57,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 03:53:57,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-20 03:53:57,568 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_outurb_available [2022-07-20 03:53:57,568 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_outurb_available [2022-07-20 03:53:57,569 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_kill_all_busy [2022-07-20 03:53:57,569 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_kill_all_busy [2022-07-20 03:53:57,569 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 03:53:57,569 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 03:53:57,569 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-20 03:53:57,569 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-20 03:53:57,569 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_getidxreg [2022-07-20 03:53:57,570 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_getidxreg [2022-07-20 03:53:57,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-20 03:53:57,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-20 03:53:57,570 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-20 03:53:57,570 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-20 03:53:57,570 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_writeb [2022-07-20 03:53:57,570 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_writeb [2022-07-20 03:53:57,571 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-20 03:53:57,571 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-20 03:53:57,571 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_set_default_mode [2022-07-20 03:53:57,571 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_set_default_mode [2022-07-20 03:53:57,571 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_memio_byte [2022-07-20 03:53:57,571 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_memio_byte [2022-07-20 03:53:57,571 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_DisplayOn [2022-07-20 03:53:57,571 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_DisplayOn [2022-07-20 03:53:57,572 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxregandor [2022-07-20 03:53:57,572 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxregandor [2022-07-20 03:53:57,572 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_mem_bulk [2022-07-20 03:53:57,572 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_mem_bulk [2022-07-20 03:53:57,572 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-07-20 03:53:57,572 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-07-20 03:53:57,572 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbdummycon_init [2022-07-20 03:53:57,573 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbdummycon_init [2022-07-20 03:53:57,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-07-20 03:53:57,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-07-20 03:53:57,573 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_GetReg [2022-07-20 03:53:57,573 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_GetReg [2022-07-20 03:53:57,573 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_do_font_op [2022-07-20 03:53:57,573 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_do_font_op [2022-07-20 03:53:57,574 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_init_gfxdevice [2022-07-20 03:53:57,574 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_init_gfxdevice [2022-07-20 03:53:57,574 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegByte [2022-07-20 03:53:57,574 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegByte [2022-07-20 03:53:57,574 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_free_urbs [2022-07-20 03:53:57,574 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_free_urbs [2022-07-20 03:53:57,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 03:53:57,575 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 03:53:57,575 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_send_bridge_packet [2022-07-20 03:53:57,575 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_send_bridge_packet [2022-07-20 03:53:57,575 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-20 03:53:57,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-20 03:53:57,575 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-20 03:53:57,575 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-20 03:53:57,576 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_ioctl [2022-07-20 03:53:57,576 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_ioctl [2022-07-20 03:53:57,576 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_memio_word [2022-07-20 03:53:57,576 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_memio_word [2022-07-20 03:53:57,576 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_get_sisusb [2022-07-20 03:53:57,576 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_get_sisusb [2022-07-20 03:53:57,576 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 03:53:57,576 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 03:53:57,577 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_cursor [2022-07-20 03:53:57,577 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_cursor [2022-07-20 03:53:57,577 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_is_inactive [2022-07-20 03:53:57,577 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_is_inactive [2022-07-20 03:53:57,577 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-20 03:53:57,577 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-20 03:53:57,577 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_clear_vram [2022-07-20 03:53:57,578 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_clear_vram [2022-07-20 03:53:57,578 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_pci_config [2022-07-20 03:53:57,578 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_pci_config [2022-07-20 03:53:57,578 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-20 03:53:57,578 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-20 03:53:57,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 03:53:57,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-20 03:53:57,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 03:53:57,579 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_send_bulk_msg [2022-07-20 03:53:57,579 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_send_bulk_msg [2022-07-20 03:53:57,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-20 03:53:57,579 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-07-20 03:53:57,579 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-07-20 03:53:57,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 03:53:57,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 03:53:57,579 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_readb [2022-07-20 03:53:57,580 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_readb [2022-07-20 03:53:57,580 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxregor [2022-07-20 03:53:57,580 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxregor [2022-07-20 03:53:57,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 03:53:57,580 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-07-20 03:53:57,580 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-07-20 03:53:57,580 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-20 03:53:57,580 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-20 03:53:57,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 03:53:57,581 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_send_packet [2022-07-20 03:53:57,581 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_send_packet [2022-07-20 03:53:57,581 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_memio_long [2022-07-20 03:53:57,581 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_memio_long [2022-07-20 03:53:57,581 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_reset_text_mode [2022-07-20 03:53:57,581 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_reset_text_mode [2022-07-20 03:53:57,581 INFO L130 BoogieDeclarations]: Found specification of procedure SiSUSB_InitPtr [2022-07-20 03:53:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure SiSUSB_InitPtr [2022-07-20 03:53:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 03:53:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_pci_config [2022-07-20 03:53:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_pci_config [2022-07-20 03:53:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-20 03:53:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxreg [2022-07-20 03:53:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxreg [2022-07-20 03:53:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-20 03:53:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegANDOR [2022-07-20 03:53:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegANDOR [2022-07-20 03:53:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-20 03:53:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 03:53:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 03:53:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-20 03:53:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_wait_all_out_complete [2022-07-20 03:53:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_wait_all_out_complete [2022-07-20 03:53:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-20 03:53:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-20 03:53:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegAND [2022-07-20 03:53:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegAND [2022-07-20 03:53:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxregand [2022-07-20 03:53:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxregand [2022-07-20 03:53:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-20 03:53:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-20 03:53:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetSegmentReg [2022-07-20 03:53:57,585 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetSegmentReg [2022-07-20 03:53:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_copy_memory [2022-07-20 03:53:57,585 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_copy_memory [2022-07-20 03:53:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setreg [2022-07-20 03:53:57,585 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setreg [2022-07-20 03:53:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_sisusb_usb_data [2022-07-20 03:53:57,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_sisusb_usb_data [2022-07-20 03:53:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_set_start_address [2022-07-20 03:53:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_set_start_address [2022-07-20 03:53:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-20 03:53:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-20 03:53:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 03:53:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 03:53:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_WriteDAC [2022-07-20 03:53:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_WriteDAC [2022-07-20 03:53:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_mem_bulk [2022-07-20 03:53:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_mem_bulk [2022-07-20 03:53:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_getreg [2022-07-20 03:53:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_getreg [2022-07-20 03:53:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure SiSUSBSetMode [2022-07-20 03:53:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure SiSUSBSetMode [2022-07-20 03:53:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure vc_resize [2022-07-20 03:53:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure vc_resize [2022-07-20 03:53:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_init [2022-07-20 03:53:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_init [2022-07-20 03:53:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-07-20 03:53:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-07-20 03:53:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-20 03:53:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_memio_long [2022-07-20 03:53:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_memio_long [2022-07-20 03:53:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_GetRegByte [2022-07-20 03:53:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_GetRegByte [2022-07-20 03:53:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 03:53:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 03:53:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_triggersr16 [2022-07-20 03:53:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_triggersr16 [2022-07-20 03:53:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-20 03:53:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-20 03:53:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 03:53:57,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 03:53:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_all_free [2022-07-20 03:53:57,590 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_all_free [2022-07-20 03:53:58,395 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 03:53:58,398 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 03:56:32,370 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 03:56:32,389 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 03:56:32,390 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 03:56:32,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:56:32 BoogieIcfgContainer [2022-07-20 03:56:32,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 03:56:32,397 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 03:56:32,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 03:56:32,400 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 03:56:32,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:53:52" (1/3) ... [2022-07-20 03:56:32,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf3505e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:56:32, skipping insertion in model container [2022-07-20 03:56:32,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:53:56" (2/3) ... [2022-07-20 03:56:32,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf3505e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:56:32, skipping insertion in model container [2022-07-20 03:56:32,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:56:32" (3/3) ... [2022-07-20 03:56:32,403 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2022-07-20 03:56:32,415 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 03:56:32,416 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 03:56:32,499 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 03:56:32,505 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@830068d, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@50f27ff7 [2022-07-20 03:56:32,505 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 03:56:32,518 INFO L276 IsEmpty]: Start isEmpty. Operand has 2753 states, 1882 states have (on average 1.3575982996811902) internal successors, (2555), 1909 states have internal predecessors, (2555), 765 states have call successors, (765), 104 states have call predecessors, (765), 104 states have return successors, (765), 761 states have call predecessors, (765), 765 states have call successors, (765) [2022-07-20 03:56:32,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-20 03:56:32,526 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:56:32,527 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:56:32,527 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:56:32,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:56:32,533 INFO L85 PathProgramCache]: Analyzing trace with hash -674524315, now seen corresponding path program 1 times [2022-07-20 03:56:32,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:56:32,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [400692563] [2022-07-20 03:56:32,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:56:32,555 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:56:32,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:56:32,561 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) [2022-07-20 03:56:32,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 03:56:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:56:41,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 4827 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:56:41,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:56:42,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 03:56:42,252 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:56:42,252 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:56:42,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [400692563] [2022-07-20 03:56:42,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [400692563] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:56:42,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:56:42,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:56:42,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661210207] [2022-07-20 03:56:42,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:56:42,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:56:42,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:56:42,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:56:42,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:56:42,290 INFO L87 Difference]: Start difference. First operand has 2753 states, 1882 states have (on average 1.3575982996811902) internal successors, (2555), 1909 states have internal predecessors, (2555), 765 states have call successors, (765), 104 states have call predecessors, (765), 104 states have return successors, (765), 761 states have call predecessors, (765), 765 states have call successors, (765) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-20 03:56:42,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:56:42,803 INFO L93 Difference]: Finished difference Result 5496 states and 8244 transitions. [2022-07-20 03:56:42,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:56:42,806 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2022-07-20 03:56:42,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:56:42,846 INFO L225 Difference]: With dead ends: 5496 [2022-07-20 03:56:42,846 INFO L226 Difference]: Without dead ends: 2747 [2022-07-20 03:56:42,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:56:42,880 INFO L413 NwaCegarLoop]: 4075 mSDtfsCounter, 1 mSDsluCounter, 4073 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 8148 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-20 03:56:42,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 8148 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-20 03:56:42,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2747 states. [2022-07-20 03:56:43,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2747 to 2746. [2022-07-20 03:56:43,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2746 states, 1878 states have (on average 1.356762513312034) internal successors, (2548), 1903 states have internal predecessors, (2548), 765 states have call successors, (765), 104 states have call predecessors, (765), 102 states have return successors, (759), 755 states have call predecessors, (759), 759 states have call successors, (759) [2022-07-20 03:56:43,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2746 states to 2746 states and 4072 transitions. [2022-07-20 03:56:43,126 INFO L78 Accepts]: Start accepts. Automaton has 2746 states and 4072 transitions. Word has length 19 [2022-07-20 03:56:43,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:56:43,128 INFO L495 AbstractCegarLoop]: Abstraction has 2746 states and 4072 transitions. [2022-07-20 03:56:43,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-20 03:56:43,128 INFO L276 IsEmpty]: Start isEmpty. Operand 2746 states and 4072 transitions. [2022-07-20 03:56:43,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-07-20 03:56:43,130 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:56:43,130 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] [2022-07-20 03:56:43,352 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forcibly destroying the process [2022-07-20 03:56:43,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-20 03:56:43,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:56:43,362 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:56:43,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:56:43,363 INFO L85 PathProgramCache]: Analyzing trace with hash -34172631, now seen corresponding path program 1 times [2022-07-20 03:56:43,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:56:43,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1075445784] [2022-07-20 03:56:43,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:56:43,370 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:56:43,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:56:43,373 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) [2022-07-20 03:56:43,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 03:56:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:56:52,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 4838 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-20 03:56:52,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:56:53,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 03:56:53,498 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 03:56:54,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 03:56:54,356 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:56:54,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1075445784] [2022-07-20 03:56:54,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1075445784] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 03:56:54,357 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 03:56:54,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-07-20 03:56:54,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788596749] [2022-07-20 03:56:54,357 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 03:56:54,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:56:54,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:56:54,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:56:54,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:56:54,360 INFO L87 Difference]: Start difference. First operand 2746 states and 4072 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-20 03:56:55,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:56:55,617 INFO L93 Difference]: Finished difference Result 5487 states and 8140 transitions. [2022-07-20 03:56:55,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 03:56:55,617 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2022-07-20 03:56:55,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:56:55,644 INFO L225 Difference]: With dead ends: 5487 [2022-07-20 03:56:55,645 INFO L226 Difference]: Without dead ends: 2752 [2022-07-20 03:56:55,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-07-20 03:56:55,668 INFO L413 NwaCegarLoop]: 4069 mSDtfsCounter, 5 mSDsluCounter, 8134 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 12203 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-20 03:56:55,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 12203 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-20 03:56:55,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2752 states. [2022-07-20 03:56:55,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2752 to 2752. [2022-07-20 03:56:55,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2752 states, 1884 states have (on average 1.3556263269639066) internal successors, (2554), 1909 states have internal predecessors, (2554), 765 states have call successors, (765), 104 states have call predecessors, (765), 102 states have return successors, (759), 755 states have call predecessors, (759), 759 states have call successors, (759) [2022-07-20 03:56:55,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2752 states to 2752 states and 4078 transitions. [2022-07-20 03:56:55,797 INFO L78 Accepts]: Start accepts. Automaton has 2752 states and 4078 transitions. Word has length 21 [2022-07-20 03:56:55,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:56:55,798 INFO L495 AbstractCegarLoop]: Abstraction has 2752 states and 4078 transitions. [2022-07-20 03:56:55,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-20 03:56:55,798 INFO L276 IsEmpty]: Start isEmpty. Operand 2752 states and 4078 transitions. [2022-07-20 03:56:55,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-07-20 03:56:55,799 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:56:55,799 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:56:56,016 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forcibly destroying the process [2022-07-20 03:56:56,063 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-20 03:56:56,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:56:56,064 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:56:56,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:56:56,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1509538699, now seen corresponding path program 2 times [2022-07-20 03:56:56,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:56:56,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [531435033] [2022-07-20 03:56:56,073 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 03:56:56,079 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:56:56,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:56:56,081 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) [2022-07-20 03:56:56,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 03:57:04,980 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-20 03:57:04,980 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 03:57:05,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 4827 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:57:05,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:57:07,468 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-07-20 03:57:07,469 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:57:07,469 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:57:07,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [531435033] [2022-07-20 03:57:07,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [531435033] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:57:07,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:57:07,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:57:07,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676205331] [2022-07-20 03:57:07,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:57:07,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:57:07,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:57:07,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:57:07,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:57:07,470 INFO L87 Difference]: Start difference. First operand 2752 states and 4078 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-20 03:57:07,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:57:07,967 INFO L93 Difference]: Finished difference Result 2754 states and 4079 transitions. [2022-07-20 03:57:07,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:57:07,968 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 27 [2022-07-20 03:57:07,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:57:07,988 INFO L225 Difference]: With dead ends: 2754 [2022-07-20 03:57:07,988 INFO L226 Difference]: Without dead ends: 2751 [2022-07-20 03:57:07,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:57:07,996 INFO L413 NwaCegarLoop]: 4068 mSDtfsCounter, 4051 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4051 SdHoareTripleChecker+Valid, 4070 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 [2022-07-20 03:57:07,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4051 Valid, 4070 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 03:57:08,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2751 states. [2022-07-20 03:57:08,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2751 to 2751. [2022-07-20 03:57:08,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2751 states, 1884 states have (on average 1.355095541401274) internal successors, (2553), 1908 states have internal predecessors, (2553), 764 states have call successors, (764), 104 states have call predecessors, (764), 102 states have return successors, (759), 755 states have call predecessors, (759), 759 states have call successors, (759) [2022-07-20 03:57:08,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2751 states to 2751 states and 4076 transitions. [2022-07-20 03:57:08,112 INFO L78 Accepts]: Start accepts. Automaton has 2751 states and 4076 transitions. Word has length 27 [2022-07-20 03:57:08,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:57:08,112 INFO L495 AbstractCegarLoop]: Abstraction has 2751 states and 4076 transitions. [2022-07-20 03:57:08,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-20 03:57:08,113 INFO L276 IsEmpty]: Start isEmpty. Operand 2751 states and 4076 transitions. [2022-07-20 03:57:08,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-20 03:57:08,113 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:57:08,114 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:57:08,327 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forcibly destroying the process [2022-07-20 03:57:08,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-20 03:57:08,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:57:08,381 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:57:08,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:57:08,382 INFO L85 PathProgramCache]: Analyzing trace with hash 446571850, now seen corresponding path program 1 times [2022-07-20 03:57:08,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:57:08,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1064682452] [2022-07-20 03:57:08,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:57:08,390 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:57:08,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:57:08,398 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) [2022-07-20 03:57:08,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-20 03:57:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:57:17,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 4872 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-20 03:57:17,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:57:20,350 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 03:57:20,350 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 03:57:23,811 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 03:57:23,811 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:57:23,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1064682452] [2022-07-20 03:57:23,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1064682452] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 03:57:23,812 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 03:57:23,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-07-20 03:57:23,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497654416] [2022-07-20 03:57:23,812 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 03:57:23,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-20 03:57:23,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:57:23,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-20 03:57:23,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-20 03:57:23,814 INFO L87 Difference]: Start difference. First operand 2751 states and 4076 transitions. Second operand has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 12 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-20 03:57:30,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:57:30,639 INFO L93 Difference]: Finished difference Result 5497 states and 8151 transitions. [2022-07-20 03:57:30,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-20 03:57:30,640 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 12 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2022-07-20 03:57:30,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:57:30,663 INFO L225 Difference]: With dead ends: 5497 [2022-07-20 03:57:30,663 INFO L226 Difference]: Without dead ends: 2763 [2022-07-20 03:57:30,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-07-20 03:57:30,681 INFO L413 NwaCegarLoop]: 4067 mSDtfsCounter, 10 mSDsluCounter, 28455 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 32522 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-20 03:57:30,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 32522 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-07-20 03:57:30,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2763 states. [2022-07-20 03:57:30,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2763 to 2763. [2022-07-20 03:57:30,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2763 states, 1896 states have (on average 1.3528481012658229) internal successors, (2565), 1920 states have internal predecessors, (2565), 764 states have call successors, (764), 104 states have call predecessors, (764), 102 states have return successors, (759), 755 states have call predecessors, (759), 759 states have call successors, (759) [2022-07-20 03:57:30,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2763 states and 4088 transitions. [2022-07-20 03:57:30,786 INFO L78 Accepts]: Start accepts. Automaton has 2763 states and 4088 transitions. Word has length 28 [2022-07-20 03:57:30,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:57:30,786 INFO L495 AbstractCegarLoop]: Abstraction has 2763 states and 4088 transitions. [2022-07-20 03:57:30,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 12 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-20 03:57:30,787 INFO L276 IsEmpty]: Start isEmpty. Operand 2763 states and 4088 transitions. [2022-07-20 03:57:30,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-07-20 03:57:30,788 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:57:30,789 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:57:31,011 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forcibly destroying the process [2022-07-20 03:57:31,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-20 03:57:31,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:57:31,031 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:57:31,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:57:31,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1492423502, now seen corresponding path program 2 times [2022-07-20 03:57:31,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:57:31,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1791710590] [2022-07-20 03:57:31,039 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 03:57:31,039 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:57:31,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:57:31,040 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) [2022-07-20 03:57:31,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-20 03:57:39,442 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-20 03:57:39,442 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 03:57:39,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 4828 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:57:39,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:57:42,904 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-07-20 03:57:42,904 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:57:42,904 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:57:42,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1791710590] [2022-07-20 03:57:42,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1791710590] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:57:42,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:57:42,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:57:42,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611268928] [2022-07-20 03:57:42,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:57:42,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:57:42,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:57:42,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:57:42,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:57:42,907 INFO L87 Difference]: Start difference. First operand 2763 states and 4088 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-20 03:57:43,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:57:43,876 INFO L93 Difference]: Finished difference Result 7230 states and 10707 transitions. [2022-07-20 03:57:43,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:57:43,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 40 [2022-07-20 03:57:43,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:57:43,911 INFO L225 Difference]: With dead ends: 7230 [2022-07-20 03:57:43,911 INFO L226 Difference]: Without dead ends: 4500 [2022-07-20 03:57:43,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:57:43,929 INFO L413 NwaCegarLoop]: 6015 mSDtfsCounter, 2758 mSDsluCounter, 3815 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2758 SdHoareTripleChecker+Valid, 9830 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-20 03:57:43,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2758 Valid, 9830 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-20 03:57:43,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4500 states. [2022-07-20 03:57:44,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4500 to 4497. [2022-07-20 03:57:44,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4497 states, 3061 states have (on average 1.3394315583142764) internal successors, (4100), 3112 states have internal predecessors, (4100), 1254 states have call successors, (1254), 180 states have call predecessors, (1254), 181 states have return successors, (1261), 1230 states have call predecessors, (1261), 1236 states have call successors, (1261) [2022-07-20 03:57:44,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4497 states to 4497 states and 6615 transitions. [2022-07-20 03:57:44,174 INFO L78 Accepts]: Start accepts. Automaton has 4497 states and 6615 transitions. Word has length 40 [2022-07-20 03:57:44,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:57:44,175 INFO L495 AbstractCegarLoop]: Abstraction has 4497 states and 6615 transitions. [2022-07-20 03:57:44,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-20 03:57:44,176 INFO L276 IsEmpty]: Start isEmpty. Operand 4497 states and 6615 transitions. [2022-07-20 03:57:44,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-07-20 03:57:44,179 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:57:44,179 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:57:44,403 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forcibly destroying the process [2022-07-20 03:57:44,422 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-20 03:57:44,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:57:44,422 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:57:44,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:57:44,423 INFO L85 PathProgramCache]: Analyzing trace with hash 977147824, now seen corresponding path program 1 times [2022-07-20 03:57:44,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:57:44,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1910578078] [2022-07-20 03:57:44,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:57:44,429 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:57:44,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:57:44,431 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) [2022-07-20 03:57:44,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-20 03:57:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:57:54,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 4939 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-20 03:57:54,126 INFO L286 TraceCheckSpWp]: Computing forward predicates...