./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 6c24879c 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-?-6c24879 [2022-07-12 16:51:26,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:51:26,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:51:26,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:51:26,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:51:26,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:51:26,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:51:26,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:51:26,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:51:26,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:51:26,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:51:26,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:51:26,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:51:26,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:51:26,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:51:26,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:51:26,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:51:26,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:51:26,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:51:26,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:51:26,637 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:51:26,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:51:26,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:51:26,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:51:26,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:51:26,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:51:26,644 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:51:26,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:51:26,645 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:51:26,646 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:51:26,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:51:26,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:51:26,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:51:26,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:51:26,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:51:26,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:51:26,650 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:51:26,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:51:26,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:51:26,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:51:26,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:51:26,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:51:26,654 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 16:51:26,683 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:51:26,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:51:26,684 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:51:26,685 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:51:26,685 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:51:26,685 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:51:26,686 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:51:26,686 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:51:26,687 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:51:26,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:51:26,688 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 16:51:26,688 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:51:26,688 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:51:26,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:51:26,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:51:26,689 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:51:26,689 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:51:26,689 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:51:26,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:51:26,691 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:51:26,691 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:51:26,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:51:26,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:51:26,692 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:51:26,693 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:51:26,693 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 16:51:26,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 16:51:26,693 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:51:26,693 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:51:26,694 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:51:26,694 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d62cca735e5e5c3ed49d61d09e2b8d7696fac03708570c9e23afbb5bfdcaa275 [2022-07-12 16:51:26,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:51:26,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:51:26,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:51:26,897 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:51:26,898 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:51:26,898 INFO L432 ainManager$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 [2022-07-12 16:51:26,947 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c4baff14/ac7f317bf6b1454ca13703f0c546f8b2/FLAGf08d6a587 [2022-07-12 16:51:27,708 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:51:27,709 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 [2022-07-12 16:51:27,763 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c4baff14/ac7f317bf6b1454ca13703f0c546f8b2/FLAGf08d6a587 [2022-07-12 16:51:27,973 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c4baff14/ac7f317bf6b1454ca13703f0c546f8b2 [2022-07-12 16:51:27,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:51:27,975 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:51:27,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:51:27,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:51:27,980 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:51:27,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:51:27" (1/1) ... [2022-07-12 16:51:27,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@158f89d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:51:27, skipping insertion in model container [2022-07-12 16:51:27,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:51:27" (1/1) ... [2022-07-12 16:51:28,006 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:51:28,130 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:51:30,182 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] [2022-07-12 16:51:30,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:51:30,367 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:51:30,515 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) [2022-07-12 16:51:30,526 INFO L158 Benchmark]: Toolchain (without parser) took 2548.11ms. Allocated memory was 102.8MB in the beginning and 142.6MB in the end (delta: 39.8MB). Free memory was 54.5MB in the beginning and 46.7MB in the end (delta: 7.8MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. [2022-07-12 16:51:30,526 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 102.8MB. Free memory is still 55.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 16:51:30,529 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2546.19ms. Allocated memory was 102.8MB in the beginning and 142.6MB in the end (delta: 39.8MB). Free memory was 54.2MB in the beginning and 46.7MB in the end (delta: 7.5MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. [2022-07-12 16:51:30,530 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 102.8MB. Free memory is still 55.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2546.19ms. Allocated memory was 102.8MB in the beginning and 142.6MB in the end (delta: 39.8MB). Free memory was 54.2MB in the beginning and 46.7MB in the end (delta: 7.5MB). Peak memory consumption was 61.7MB. 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-?-6c24879 [2022-07-12 16:51:32,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:51:32,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:51:32,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:51:32,278 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:51:32,279 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:51:32,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:51:32,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:51:32,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:51:32,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:51:32,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:51:32,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:51:32,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:51:32,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:51:32,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:51:32,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:51:32,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:51:32,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:51:32,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:51:32,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:51:32,295 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:51:32,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:51:32,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:51:32,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:51:32,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:51:32,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:51:32,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:51:32,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:51:32,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:51:32,303 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:51:32,304 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:51:32,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:51:32,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:51:32,306 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:51:32,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:51:32,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:51:32,308 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:51:32,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:51:32,309 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:51:32,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:51:32,310 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:51:32,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:51:32,311 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 16:51:32,330 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:51:32,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:51:32,331 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:51:32,331 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:51:32,332 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:51:32,332 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:51:32,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:51:32,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:51:32,333 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:51:32,333 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:51:32,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:51:32,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:51:32,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:51:32,334 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:51:32,334 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 16:51:32,334 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 16:51:32,335 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 16:51:32,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:51:32,335 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:51:32,335 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:51:32,335 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:51:32,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:51:32,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:51:32,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:51:32,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:51:32,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:51:32,336 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:51:32,337 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 16:51:32,337 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 16:51:32,337 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:51:32,337 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:51:32,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:51:32,337 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 16:51:32,338 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d62cca735e5e5c3ed49d61d09e2b8d7696fac03708570c9e23afbb5bfdcaa275 [2022-07-12 16:51:32,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:51:32,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:51:32,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:51:32,663 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:51:32,664 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:51:32,665 INFO L432 ainManager$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 [2022-07-12 16:51:32,725 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27edcb4c3/3a0f35a816cc4a23893448b45ae41d80/FLAG7d80f8571 [2022-07-12 16:51:33,491 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:51:33,492 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 [2022-07-12 16:51:33,535 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27edcb4c3/3a0f35a816cc4a23893448b45ae41d80/FLAG7d80f8571 [2022-07-12 16:51:34,042 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27edcb4c3/3a0f35a816cc4a23893448b45ae41d80 [2022-07-12 16:51:34,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:51:34,045 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:51:34,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:51:34,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:51:34,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:51:34,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:51:34" (1/1) ... [2022-07-12 16:51:34,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42db131c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:51:34, skipping insertion in model container [2022-07-12 16:51:34,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:51:34" (1/1) ... [2022-07-12 16:51:34,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:51:34,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:51:36,404 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] [2022-07-12 16:51:36,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:51:36,632 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 16:51:36,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:51:37,145 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] [2022-07-12 16:51:37,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:51:37,208 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:51:37,543 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] [2022-07-12 16:51:37,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:51:37,761 INFO L208 MainTranslator]: Completed translation [2022-07-12 16:51:37,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:51:37 WrapperNode [2022-07-12 16:51:37,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 16:51:37,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 16:51:37,764 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 16:51:37,764 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 16:51:37,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:51:37" (1/1) ... [2022-07-12 16:51:37,943 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:51:37" (1/1) ... [2022-07-12 16:51:38,246 INFO L137 Inliner]: procedures = 374, calls = 7215, calls flagged for inlining = 183, calls inlined = 137, statements flattened = 11408 [2022-07-12 16:51:38,258 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 16:51:38,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 16:51:38,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 16:51:38,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 16:51:38,267 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:51:37" (1/1) ... [2022-07-12 16:51:38,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:51:37" (1/1) ... [2022-07-12 16:51:38,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:51:37" (1/1) ... [2022-07-12 16:51:38,336 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:51:37" (1/1) ... [2022-07-12 16:51:38,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:51:37" (1/1) ... [2022-07-12 16:51:38,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:51:37" (1/1) ... [2022-07-12 16:51:38,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:51:37" (1/1) ... [2022-07-12 16:51:38,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 16:51:38,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 16:51:38,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 16:51:38,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 16:51:38,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:51:37" (1/1) ... [2022-07-12 16:51:38,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:51:38,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 16:51:38,697 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) [2022-07-12 16:51:38,719 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 [2022-07-12 16:51:38,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 16:51:38,737 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-12 16:51:38,737 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-12 16:51:38,737 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-12 16:51:38,737 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-12 16:51:38,738 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-07-12 16:51:38,738 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-07-12 16:51:38,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 16:51:38,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 16:51:38,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 16:51:38,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 16:51:38,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 16:51:38,739 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-12 16:51:38,739 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-12 16:51:38,739 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_recv_bulk_msg [2022-07-12 16:51:38,739 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_recv_bulk_msg [2022-07-12 16:51:38,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 16:51:38,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 16:51:38,740 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_save_screen [2022-07-12 16:51:38,740 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_save_screen [2022-07-12 16:51:38,740 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_free_buffers [2022-07-12 16:51:38,740 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_free_buffers [2022-07-12 16:51:38,740 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_disconnect [2022-07-12 16:51:38,740 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_disconnect [2022-07-12 16:51:38,740 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_deinit [2022-07-12 16:51:38,741 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_deinit [2022-07-12 16:51:38,741 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_memio_byte [2022-07-12 16:51:38,741 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_memio_byte [2022-07-12 16:51:38,741 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 16:51:38,741 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 16:51:38,741 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-07-12 16:51:38,742 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-07-12 16:51:38,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 16:51:38,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 16:51:38,742 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_set_cursor [2022-07-12 16:51:38,742 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_set_cursor [2022-07-12 16:51:38,742 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2022-07-12 16:51:38,743 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2022-07-12 16:51:38,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-07-12 16:51:38,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-07-12 16:51:38,743 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_memio_word [2022-07-12 16:51:38,743 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_memio_word [2022-07-12 16:51:38,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 16:51:38,744 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 16:51:38,744 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetReg [2022-07-12 16:51:38,744 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetReg [2022-07-12 16:51:38,744 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-12 16:51:38,744 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-12 16:51:38,744 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_get_sisusb_lock_and_check [2022-07-12 16:51:38,745 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_get_sisusb_lock_and_check [2022-07-12 16:51:38,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 16:51:38,748 INFO L130 BoogieDeclarations]: Found specification of procedure take_over_console [2022-07-12 16:51:38,748 INFO L138 BoogieDeclarations]: Found implementation of procedure take_over_console [2022-07-12 16:51:38,748 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_sisusb_valid [2022-07-12 16:51:38,749 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_sisusb_valid [2022-07-12 16:51:38,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 16:51:38,749 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegOR [2022-07-12 16:51:38,749 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegOR [2022-07-12 16:51:38,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_sisusb_usb_data [2022-07-12 16:51:38,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_sisusb_usb_data [2022-07-12 16:51:38,750 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-12 16:51:38,750 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_check_rbc [2022-07-12 16:51:38,750 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_check_rbc [2022-07-12 16:51:38,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 16:51:38,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 16:51:38,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 16:51:38,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 16:51:38,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 16:51:38,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 16:51:38,751 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-12 16:51:38,751 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-12 16:51:38,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-12 16:51:38,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 16:51:38,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 16:51:38,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 16:51:38,752 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_outurb_available [2022-07-12 16:51:38,752 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_outurb_available [2022-07-12 16:51:38,752 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_kill_all_busy [2022-07-12 16:51:38,752 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_kill_all_busy [2022-07-12 16:51:38,753 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 16:51:38,753 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 16:51:38,753 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-12 16:51:38,753 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-12 16:51:38,754 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_getidxreg [2022-07-12 16:51:38,754 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_getidxreg [2022-07-12 16:51:38,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-12 16:51:38,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-12 16:51:38,754 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-12 16:51:38,754 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-12 16:51:38,755 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_writeb [2022-07-12 16:51:38,755 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_writeb [2022-07-12 16:51:38,755 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-12 16:51:38,756 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-12 16:51:38,756 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_set_default_mode [2022-07-12 16:51:38,756 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_set_default_mode [2022-07-12 16:51:38,757 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_memio_byte [2022-07-12 16:51:38,757 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_memio_byte [2022-07-12 16:51:38,757 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_DisplayOn [2022-07-12 16:51:38,757 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_DisplayOn [2022-07-12 16:51:38,757 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxregandor [2022-07-12 16:51:38,757 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxregandor [2022-07-12 16:51:38,757 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_mem_bulk [2022-07-12 16:51:38,757 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_mem_bulk [2022-07-12 16:51:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-07-12 16:51:38,758 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-07-12 16:51:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbdummycon_init [2022-07-12 16:51:38,758 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbdummycon_init [2022-07-12 16:51:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-07-12 16:51:38,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-07-12 16:51:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_GetReg [2022-07-12 16:51:38,759 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_GetReg [2022-07-12 16:51:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_do_font_op [2022-07-12 16:51:38,761 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_do_font_op [2022-07-12 16:51:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_init_gfxdevice [2022-07-12 16:51:38,762 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_init_gfxdevice [2022-07-12 16:51:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegByte [2022-07-12 16:51:38,762 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegByte [2022-07-12 16:51:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_free_urbs [2022-07-12 16:51:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_free_urbs [2022-07-12 16:51:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 16:51:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 16:51:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_send_bridge_packet [2022-07-12 16:51:38,769 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_send_bridge_packet [2022-07-12 16:51:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-12 16:51:38,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-12 16:51:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-12 16:51:38,770 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-12 16:51:38,770 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_ioctl [2022-07-12 16:51:38,770 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_ioctl [2022-07-12 16:51:38,770 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_memio_word [2022-07-12 16:51:38,770 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_memio_word [2022-07-12 16:51:38,770 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_get_sisusb [2022-07-12 16:51:38,770 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_get_sisusb [2022-07-12 16:51:38,770 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 16:51:38,770 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 16:51:38,771 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_cursor [2022-07-12 16:51:38,771 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_cursor [2022-07-12 16:51:38,771 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_is_inactive [2022-07-12 16:51:38,771 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_is_inactive [2022-07-12 16:51:38,771 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-12 16:51:38,771 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-12 16:51:38,771 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_clear_vram [2022-07-12 16:51:38,771 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_clear_vram [2022-07-12 16:51:38,772 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_pci_config [2022-07-12 16:51:38,772 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_pci_config [2022-07-12 16:51:38,772 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-12 16:51:38,772 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-12 16:51:38,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 16:51:38,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 16:51:38,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 16:51:38,772 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_send_bulk_msg [2022-07-12 16:51:38,773 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_send_bulk_msg [2022-07-12 16:51:38,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 16:51:38,773 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-07-12 16:51:38,773 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-07-12 16:51:38,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 16:51:38,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 16:51:38,773 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_readb [2022-07-12 16:51:38,773 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_readb [2022-07-12 16:51:38,773 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxregor [2022-07-12 16:51:38,774 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxregor [2022-07-12 16:51:38,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 16:51:38,774 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-07-12 16:51:38,774 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-07-12 16:51:38,774 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-12 16:51:38,774 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-12 16:51:38,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 16:51:38,774 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_send_packet [2022-07-12 16:51:38,774 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_send_packet [2022-07-12 16:51:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_memio_long [2022-07-12 16:51:38,775 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_memio_long [2022-07-12 16:51:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_reset_text_mode [2022-07-12 16:51:38,775 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_reset_text_mode [2022-07-12 16:51:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure SiSUSB_InitPtr [2022-07-12 16:51:38,775 INFO L138 BoogieDeclarations]: Found implementation of procedure SiSUSB_InitPtr [2022-07-12 16:51:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 16:51:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_pci_config [2022-07-12 16:51:38,776 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_pci_config [2022-07-12 16:51:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 16:51:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxreg [2022-07-12 16:51:38,776 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxreg [2022-07-12 16:51:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 16:51:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegANDOR [2022-07-12 16:51:38,776 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegANDOR [2022-07-12 16:51:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 16:51:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 16:51:38,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 16:51:38,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 16:51:38,777 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_wait_all_out_complete [2022-07-12 16:51:38,777 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_wait_all_out_complete [2022-07-12 16:51:38,777 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-12 16:51:38,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-12 16:51:38,777 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegAND [2022-07-12 16:51:38,777 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegAND [2022-07-12 16:51:38,778 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxregand [2022-07-12 16:51:38,778 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxregand [2022-07-12 16:51:38,778 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-12 16:51:38,778 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-12 16:51:38,778 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetSegmentReg [2022-07-12 16:51:38,778 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetSegmentReg [2022-07-12 16:51:38,778 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_copy_memory [2022-07-12 16:51:38,778 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_copy_memory [2022-07-12 16:51:38,778 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setreg [2022-07-12 16:51:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setreg [2022-07-12 16:51:38,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_sisusb_usb_data [2022-07-12 16:51:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_sisusb_usb_data [2022-07-12 16:51:38,779 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_set_start_address [2022-07-12 16:51:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_set_start_address [2022-07-12 16:51:38,779 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-12 16:51:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-12 16:51:38,780 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 16:51:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 16:51:38,780 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_WriteDAC [2022-07-12 16:51:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_WriteDAC [2022-07-12 16:51:38,780 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_mem_bulk [2022-07-12 16:51:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_mem_bulk [2022-07-12 16:51:38,780 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_getreg [2022-07-12 16:51:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_getreg [2022-07-12 16:51:38,781 INFO L130 BoogieDeclarations]: Found specification of procedure SiSUSBSetMode [2022-07-12 16:51:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure SiSUSBSetMode [2022-07-12 16:51:38,781 INFO L130 BoogieDeclarations]: Found specification of procedure vc_resize [2022-07-12 16:51:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure vc_resize [2022-07-12 16:51:38,781 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_init [2022-07-12 16:51:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_init [2022-07-12 16:51:38,781 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-07-12 16:51:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-07-12 16:51:38,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 16:51:38,782 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_memio_long [2022-07-12 16:51:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_memio_long [2022-07-12 16:51:38,782 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_GetRegByte [2022-07-12 16:51:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_GetRegByte [2022-07-12 16:51:38,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 16:51:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 16:51:38,782 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_triggersr16 [2022-07-12 16:51:38,783 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_triggersr16 [2022-07-12 16:51:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-12 16:51:38,783 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-12 16:51:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 16:51:38,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 16:51:38,786 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_all_free [2022-07-12 16:51:38,786 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_all_free [2022-07-12 16:51:39,599 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 16:51:39,602 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 16:54:13,559 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 16:54:13,579 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 16:54:13,579 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 16:54:13,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:54:13 BoogieIcfgContainer [2022-07-12 16:54:13,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 16:54:13,586 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 16:54:13,586 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 16:54:13,588 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 16:54:13,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 04:51:34" (1/3) ... [2022-07-12 16:54:13,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e828997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:54:13, skipping insertion in model container [2022-07-12 16:54:13,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:51:37" (2/3) ... [2022-07-12 16:54:13,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e828997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:54:13, skipping insertion in model container [2022-07-12 16:54:13,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:54:13" (3/3) ... [2022-07-12 16:54:13,591 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 [2022-07-12 16:54:13,603 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 16:54:13,603 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 16:54:13,697 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 16:54:13,703 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@ae1cb22, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@137ba5e1 [2022-07-12 16:54:13,703 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 16:54:13,713 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) [2022-07-12 16:54:13,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-12 16:54:13,719 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:54:13,720 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:54:13,720 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:54:13,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:54:13,725 INFO L85 PathProgramCache]: Analyzing trace with hash -674524315, now seen corresponding path program 1 times [2022-07-12 16:54:13,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:54:13,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [278690463] [2022-07-12 16:54:13,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:54:13,747 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:54:13,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:54:13,753 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) [2022-07-12 16:54:13,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 16:54:22,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:54:23,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 4827 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:54:23,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:54:23,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 16:54:23,302 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:54:23,303 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:54:23,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [278690463] [2022-07-12 16:54:23,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [278690463] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:54:23,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:54:23,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:54:23,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385739600] [2022-07-12 16:54:23,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:54:23,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:54:23,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:54:23,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:54:23,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:54:23,339 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) [2022-07-12 16:54:23,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:54:23,845 INFO L93 Difference]: Finished difference Result 5496 states and 8244 transitions. [2022-07-12 16:54:23,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:54:23,848 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 [2022-07-12 16:54:23,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:54:23,886 INFO L225 Difference]: With dead ends: 5496 [2022-07-12 16:54:23,886 INFO L226 Difference]: Without dead ends: 2747 [2022-07-12 16:54:23,910 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 [2022-07-12 16:54:23,915 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 [2022-07-12 16:54:23,916 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] [2022-07-12 16:54:23,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2747 states. [2022-07-12 16:54:24,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2747 to 2746. [2022-07-12 16:54:24,082 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) [2022-07-12 16:54:24,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2746 states to 2746 states and 4072 transitions. [2022-07-12 16:54:24,110 INFO L78 Accepts]: Start accepts. Automaton has 2746 states and 4072 transitions. Word has length 19 [2022-07-12 16:54:24,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:54:24,113 INFO L495 AbstractCegarLoop]: Abstraction has 2746 states and 4072 transitions. [2022-07-12 16:54:24,113 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) [2022-07-12 16:54:24,113 INFO L276 IsEmpty]: Start isEmpty. Operand 2746 states and 4072 transitions. [2022-07-12 16:54:24,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-07-12 16:54:24,114 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:54:24,114 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] [2022-07-12 16:54:24,315 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forcibly destroying the process [2022-07-12 16:54:24,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 16:54:24,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:54:24,342 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:54:24,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:54:24,342 INFO L85 PathProgramCache]: Analyzing trace with hash -34172631, now seen corresponding path program 1 times [2022-07-12 16:54:24,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:54:24,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [211259940] [2022-07-12 16:54:24,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:54:24,350 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:54:24,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:54:24,352 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) [2022-07-12 16:54:24,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 16:54:33,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:54:33,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 4838 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-12 16:54:33,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:54:34,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 16:54:34,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 16:54:35,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 16:54:35,020 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:54:35,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [211259940] [2022-07-12 16:54:35,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [211259940] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 16:54:35,020 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 16:54:35,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-07-12 16:54:35,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45393007] [2022-07-12 16:54:35,021 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 16:54:35,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 16:54:35,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:54:35,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 16:54:35,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-07-12 16:54:35,023 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) [2022-07-12 16:54:36,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:54:36,280 INFO L93 Difference]: Finished difference Result 5487 states and 8140 transitions. [2022-07-12 16:54:36,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 16:54:36,281 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 [2022-07-12 16:54:36,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:54:36,306 INFO L225 Difference]: With dead ends: 5487 [2022-07-12 16:54:36,306 INFO L226 Difference]: Without dead ends: 2752 [2022-07-12 16:54:36,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-07-12 16:54:36,329 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 [2022-07-12 16:54:36,330 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] [2022-07-12 16:54:36,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2752 states. [2022-07-12 16:54:36,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2752 to 2752. [2022-07-12 16:54:36,427 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) [2022-07-12 16:54:36,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2752 states to 2752 states and 4078 transitions. [2022-07-12 16:54:36,453 INFO L78 Accepts]: Start accepts. Automaton has 2752 states and 4078 transitions. Word has length 21 [2022-07-12 16:54:36,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:54:36,453 INFO L495 AbstractCegarLoop]: Abstraction has 2752 states and 4078 transitions. [2022-07-12 16:54:36,454 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) [2022-07-12 16:54:36,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2752 states and 4078 transitions. [2022-07-12 16:54:36,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-07-12 16:54:36,454 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:54:36,455 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] [2022-07-12 16:54:36,676 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 16:54:36,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:54:36,679 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:54:36,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:54:36,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1509538699, now seen corresponding path program 2 times [2022-07-12 16:54:36,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:54:36,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [339872631] [2022-07-12 16:54:36,687 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 16:54:36,688 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:54:36,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:54:36,728 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) [2022-07-12 16:54:36,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 16:54:45,217 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-12 16:54:45,218 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 16:54:45,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 4827 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:54:45,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:54:47,674 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-07-12 16:54:47,675 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:54:47,675 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:54:47,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [339872631] [2022-07-12 16:54:47,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [339872631] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:54:47,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:54:47,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:54:47,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752042745] [2022-07-12 16:54:47,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:54:47,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:54:47,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:54:47,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:54:47,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:54:47,680 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) [2022-07-12 16:54:48,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:54:48,159 INFO L93 Difference]: Finished difference Result 2754 states and 4079 transitions. [2022-07-12 16:54:48,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:54:48,160 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 [2022-07-12 16:54:48,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:54:48,179 INFO L225 Difference]: With dead ends: 2754 [2022-07-12 16:54:48,179 INFO L226 Difference]: Without dead ends: 2751 [2022-07-12 16:54:48,182 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 [2022-07-12 16:54:48,189 INFO L413 NwaCegarLoop]: 4068 mSDtfsCounter, 4051 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2022-07-12 16:54:48,193 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] [2022-07-12 16:54:48,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2751 states. [2022-07-12 16:54:48,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2751 to 2751. [2022-07-12 16:54:48,288 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) [2022-07-12 16:54:48,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2751 states to 2751 states and 4076 transitions. [2022-07-12 16:54:48,305 INFO L78 Accepts]: Start accepts. Automaton has 2751 states and 4076 transitions. Word has length 27 [2022-07-12 16:54:48,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:54:48,305 INFO L495 AbstractCegarLoop]: Abstraction has 2751 states and 4076 transitions. [2022-07-12 16:54:48,305 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) [2022-07-12 16:54:48,306 INFO L276 IsEmpty]: Start isEmpty. Operand 2751 states and 4076 transitions. [2022-07-12 16:54:48,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-12 16:54:48,308 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:54:48,308 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] [2022-07-12 16:54:48,527 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forcibly destroying the process [2022-07-12 16:54:48,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:54:48,527 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:54:48,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:54:48,528 INFO L85 PathProgramCache]: Analyzing trace with hash 446571850, now seen corresponding path program 1 times [2022-07-12 16:54:48,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:54:48,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1106130854] [2022-07-12 16:54:48,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:54:48,534 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:54:48,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:54:48,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 16:54:48,536 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) [2022-07-12 16:54:48,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 16:54:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:54:57,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 4872 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-12 16:54:57,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:55:00,079 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 16:55:00,079 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 16:55:03,497 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 16:55:03,498 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:55:03,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1106130854] [2022-07-12 16:55:03,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1106130854] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 16:55:03,498 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 16:55:03,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-07-12 16:55:03,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823603892] [2022-07-12 16:55:03,499 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 16:55:03,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 16:55:03,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:55:03,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 16:55:03,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-12 16:55:03,500 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) [2022-07-12 16:55:09,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:55:09,884 INFO L93 Difference]: Finished difference Result 5497 states and 8151 transitions. [2022-07-12 16:55:09,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 16:55:09,885 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 [2022-07-12 16:55:09,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:55:09,908 INFO L225 Difference]: With dead ends: 5497 [2022-07-12 16:55:09,908 INFO L226 Difference]: Without dead ends: 2763 [2022-07-12 16:55:09,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-07-12 16:55:09,928 INFO L413 NwaCegarLoop]: 4067 mSDtfsCounter, 10 mSDsluCounter, 28455 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s 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, 3.0s IncrementalHoareTripleChecker+Time [2022-07-12 16:55:09,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 32522 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-12 16:55:09,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2763 states. [2022-07-12 16:55:10,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2763 to 2763. [2022-07-12 16:55:10,018 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) [2022-07-12 16:55:10,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2763 states and 4088 transitions. [2022-07-12 16:55:10,036 INFO L78 Accepts]: Start accepts. Automaton has 2763 states and 4088 transitions. Word has length 28 [2022-07-12 16:55:10,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:55:10,036 INFO L495 AbstractCegarLoop]: Abstraction has 2763 states and 4088 transitions. [2022-07-12 16:55:10,036 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) [2022-07-12 16:55:10,037 INFO L276 IsEmpty]: Start isEmpty. Operand 2763 states and 4088 transitions. [2022-07-12 16:55:10,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-07-12 16:55:10,038 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:55:10,038 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] [2022-07-12 16:55:10,255 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 16:55:10,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:55:10,263 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:55:10,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:55:10,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1492423502, now seen corresponding path program 2 times [2022-07-12 16:55:10,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:55:10,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [472162663] [2022-07-12 16:55:10,270 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 16:55:10,270 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:55:10,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:55:10,272 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) [2022-07-12 16:55:10,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 16:55:18,565 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-12 16:55:18,565 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 16:55:19,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 4828 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:55:19,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:55:21,964 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-07-12 16:55:21,964 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:55:21,964 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:55:21,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [472162663] [2022-07-12 16:55:21,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [472162663] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:55:21,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:55:21,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:55:21,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199932684] [2022-07-12 16:55:21,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:55:21,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:55:21,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:55:21,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:55:21,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:55:21,966 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) [2022-07-12 16:55:22,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:55:22,845 INFO L93 Difference]: Finished difference Result 7230 states and 10707 transitions. [2022-07-12 16:55:22,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:55:22,846 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 [2022-07-12 16:55:22,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:55:22,879 INFO L225 Difference]: With dead ends: 7230 [2022-07-12 16:55:22,879 INFO L226 Difference]: Without dead ends: 4500 [2022-07-12 16:55:22,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:55:22,899 INFO L413 NwaCegarLoop]: 6013 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, 9828 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 16:55:22,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2758 Valid, 9828 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 16:55:22,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4500 states. [2022-07-12 16:55:23,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4500 to 4497. [2022-07-12 16:55:23,099 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) [2022-07-12 16:55:23,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4497 states to 4497 states and 6615 transitions. [2022-07-12 16:55:23,124 INFO L78 Accepts]: Start accepts. Automaton has 4497 states and 6615 transitions. Word has length 40 [2022-07-12 16:55:23,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:55:23,124 INFO L495 AbstractCegarLoop]: Abstraction has 4497 states and 6615 transitions. [2022-07-12 16:55:23,125 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) [2022-07-12 16:55:23,125 INFO L276 IsEmpty]: Start isEmpty. Operand 4497 states and 6615 transitions. [2022-07-12 16:55:23,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-07-12 16:55:23,128 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:55:23,128 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] [2022-07-12 16:55:23,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 16:55:23,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:55:23,343 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:55:23,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:55:23,344 INFO L85 PathProgramCache]: Analyzing trace with hash 977147824, now seen corresponding path program 1 times [2022-07-12 16:55:23,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:55:23,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1070705777] [2022-07-12 16:55:23,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:55:23,350 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:55:23,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:55:23,352 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) [2022-07-12 16:55:23,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 16:55:31,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:55:32,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 4939 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-12 16:55:32,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:55:40,013 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 16:55:40,013 INFO L328 TraceCheckSpWp]: Computing backward predicates...