./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 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-?-791161d [2022-07-23 04:08:38,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 04:08:38,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 04:08:39,037 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 04:08:39,038 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 04:08:39,039 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 04:08:39,040 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 04:08:39,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 04:08:39,044 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 04:08:39,048 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 04:08:39,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 04:08:39,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 04:08:39,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 04:08:39,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 04:08:39,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 04:08:39,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 04:08:39,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 04:08:39,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 04:08:39,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 04:08:39,065 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 04:08:39,067 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 04:08:39,067 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 04:08:39,068 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 04:08:39,069 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 04:08:39,070 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 04:08:39,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 04:08:39,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 04:08:39,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 04:08:39,078 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 04:08:39,079 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 04:08:39,080 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 04:08:39,080 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 04:08:39,081 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 04:08:39,082 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 04:08:39,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 04:08:39,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 04:08:39,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 04:08:39,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 04:08:39,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 04:08:39,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 04:08:39,086 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 04:08:39,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 04:08:39,088 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 04:08:39,116 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 04:08:39,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 04:08:39,117 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 04:08:39,117 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 04:08:39,118 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 04:08:39,118 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 04:08:39,118 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 04:08:39,118 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 04:08:39,119 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 04:08:39,119 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 04:08:39,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 04:08:39,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 04:08:39,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 04:08:39,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 04:08:39,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 04:08:39,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 04:08:39,121 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 04:08:39,121 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 04:08:39,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 04:08:39,121 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 04:08:39,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 04:08:39,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 04:08:39,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 04:08:39,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 04:08:39,123 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 04:08:39,123 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 04:08:39,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 04:08:39,124 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 04:08:39,124 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 04:08:39,124 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 04:08:39,125 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d62cca735e5e5c3ed49d61d09e2b8d7696fac03708570c9e23afbb5bfdcaa275 [2022-07-23 04:08:39,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 04:08:39,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 04:08:39,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 04:08:39,383 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 04:08:39,384 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 04:08:39,385 INFO L432 ainManager$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 [2022-07-23 04:08:39,447 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b16b9c1c2/48c159bfec35450781cd3b382c7580a6/FLAG57c996615 [2022-07-23 04:08:40,248 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 04:08:40,248 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 [2022-07-23 04:08:40,311 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b16b9c1c2/48c159bfec35450781cd3b382c7580a6/FLAG57c996615 [2022-07-23 04:08:40,466 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b16b9c1c2/48c159bfec35450781cd3b382c7580a6 [2022-07-23 04:08:40,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 04:08:40,470 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 04:08:40,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 04:08:40,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 04:08:40,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 04:08:40,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 04:08:40" (1/1) ... [2022-07-23 04:08:40,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49d63bd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:08:40, skipping insertion in model container [2022-07-23 04:08:40,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 04:08:40" (1/1) ... [2022-07-23 04:08:40,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 04:08:40,633 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 04:08:42,975 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] [2022-07-23 04:08:43,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 04:08:43,163 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 04:08:43,330 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) [2022-07-23 04:08:43,345 INFO L158 Benchmark]: Toolchain (without parser) took 2872.93ms. Allocated memory was 98.6MB in the beginning and 190.8MB in the end (delta: 92.3MB). Free memory was 53.1MB in the beginning and 85.5MB in the end (delta: -32.4MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. [2022-07-23 04:08:43,346 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 98.6MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 04:08:43,348 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2869.76ms. Allocated memory was 98.6MB in the beginning and 190.8MB in the end (delta: 92.3MB). Free memory was 52.8MB in the beginning and 85.5MB in the end (delta: -32.7MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. [2022-07-23 04:08:43,351 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 98.6MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2869.76ms. Allocated memory was 98.6MB in the beginning and 190.8MB in the end (delta: 92.3MB). Free memory was 52.8MB in the beginning and 85.5MB in the end (delta: -32.7MB). Peak memory consumption was 60.2MB. 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-?-791161d [2022-07-23 04:08:45,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 04:08:45,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 04:08:45,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 04:08:45,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 04:08:45,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 04:08:45,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 04:08:45,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 04:08:45,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 04:08:45,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 04:08:45,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 04:08:45,135 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 04:08:45,135 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 04:08:45,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 04:08:45,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 04:08:45,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 04:08:45,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 04:08:45,140 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 04:08:45,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 04:08:45,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 04:08:45,149 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 04:08:45,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 04:08:45,152 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 04:08:45,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 04:08:45,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 04:08:45,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 04:08:45,164 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 04:08:45,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 04:08:45,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 04:08:45,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 04:08:45,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 04:08:45,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 04:08:45,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 04:08:45,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 04:08:45,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 04:08:45,172 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 04:08:45,172 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 04:08:45,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 04:08:45,173 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 04:08:45,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 04:08:45,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 04:08:45,175 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 04:08:45,179 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 04:08:45,204 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 04:08:45,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 04:08:45,204 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 04:08:45,204 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 04:08:45,205 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 04:08:45,205 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 04:08:45,205 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 04:08:45,205 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 04:08:45,205 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 04:08:45,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 04:08:45,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 04:08:45,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 04:08:45,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 04:08:45,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 04:08:45,206 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 04:08:45,213 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 04:08:45,213 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 04:08:45,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 04:08:45,213 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 04:08:45,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 04:08:45,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 04:08:45,214 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 04:08:45,214 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 04:08:45,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 04:08:45,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 04:08:45,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 04:08:45,215 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 04:08:45,215 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 04:08:45,215 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 04:08:45,215 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 04:08:45,216 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 04:08:45,216 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 04:08:45,216 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 04:08:45,216 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d62cca735e5e5c3ed49d61d09e2b8d7696fac03708570c9e23afbb5bfdcaa275 [2022-07-23 04:08:45,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 04:08:45,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 04:08:45,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 04:08:45,530 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 04:08:45,533 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 04:08:45,535 INFO L432 ainManager$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 [2022-07-23 04:08:45,595 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccff0d93f/af66b1b483714cdd89cb0eefd057fcfa/FLAG26ab72767 [2022-07-23 04:08:46,448 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 04:08:46,449 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 [2022-07-23 04:08:46,496 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccff0d93f/af66b1b483714cdd89cb0eefd057fcfa/FLAG26ab72767 [2022-07-23 04:08:46,618 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccff0d93f/af66b1b483714cdd89cb0eefd057fcfa [2022-07-23 04:08:46,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 04:08:46,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 04:08:46,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 04:08:46,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 04:08:46,634 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 04:08:46,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 04:08:46" (1/1) ... [2022-07-23 04:08:46,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70a31162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:08:46, skipping insertion in model container [2022-07-23 04:08:46,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 04:08:46" (1/1) ... [2022-07-23 04:08:46,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 04:08:46,799 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 04:08:48,991 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] [2022-07-23 04:08:49,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 04:08:49,225 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 04:08:49,314 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 04:08:49,680 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] [2022-07-23 04:08:49,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 04:08:49,784 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 04:08:50,110 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] [2022-07-23 04:08:50,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 04:08:50,314 INFO L208 MainTranslator]: Completed translation [2022-07-23 04:08:50,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:08:50 WrapperNode [2022-07-23 04:08:50,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 04:08:50,316 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 04:08:50,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 04:08:50,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 04:08:50,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:08:50" (1/1) ... [2022-07-23 04:08:50,451 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:08:50" (1/1) ... [2022-07-23 04:08:50,702 INFO L137 Inliner]: procedures = 374, calls = 7215, calls flagged for inlining = 183, calls inlined = 137, statements flattened = 11408 [2022-07-23 04:08:50,704 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 04:08:50,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 04:08:50,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 04:08:50,706 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 04:08:50,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:08:50" (1/1) ... [2022-07-23 04:08:50,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:08:50" (1/1) ... [2022-07-23 04:08:50,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:08:50" (1/1) ... [2022-07-23 04:08:50,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:08:50" (1/1) ... [2022-07-23 04:08:51,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:08:50" (1/1) ... [2022-07-23 04:08:51,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:08:50" (1/1) ... [2022-07-23 04:08:51,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:08:50" (1/1) ... [2022-07-23 04:08:51,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 04:08:51,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 04:08:51,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 04:08:51,196 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 04:08:51,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:08:50" (1/1) ... [2022-07-23 04:08:51,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 04:08:51,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:08:51,222 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) [2022-07-23 04:08:51,236 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 [2022-07-23 04:08:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 04:08:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-23 04:08:51,262 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-23 04:08:51,262 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-23 04:08:51,262 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-23 04:08:51,262 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-07-23 04:08:51,262 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-07-23 04:08:51,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 04:08:51,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 04:08:51,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 04:08:51,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 04:08:51,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 04:08:51,263 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-23 04:08:51,263 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-23 04:08:51,263 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_recv_bulk_msg [2022-07-23 04:08:51,263 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_recv_bulk_msg [2022-07-23 04:08:51,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 04:08:51,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 04:08:51,264 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_save_screen [2022-07-23 04:08:51,264 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_save_screen [2022-07-23 04:08:51,264 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_free_buffers [2022-07-23 04:08:51,264 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_free_buffers [2022-07-23 04:08:51,264 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_disconnect [2022-07-23 04:08:51,265 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_disconnect [2022-07-23 04:08:51,265 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_deinit [2022-07-23 04:08:51,265 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_deinit [2022-07-23 04:08:51,265 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_memio_byte [2022-07-23 04:08:51,265 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_memio_byte [2022-07-23 04:08:51,265 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 04:08:51,265 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 04:08:51,265 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-07-23 04:08:51,266 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-07-23 04:08:51,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 04:08:51,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 04:08:51,266 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_set_cursor [2022-07-23 04:08:51,266 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_set_cursor [2022-07-23 04:08:51,266 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2022-07-23 04:08:51,267 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2022-07-23 04:08:51,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-07-23 04:08:51,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-07-23 04:08:51,267 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_memio_word [2022-07-23 04:08:51,267 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_memio_word [2022-07-23 04:08:51,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 04:08:51,267 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 04:08:51,267 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetReg [2022-07-23 04:08:51,268 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetReg [2022-07-23 04:08:51,268 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-23 04:08:51,268 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-23 04:08:51,268 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_get_sisusb_lock_and_check [2022-07-23 04:08:51,268 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_get_sisusb_lock_and_check [2022-07-23 04:08:51,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 04:08:51,269 INFO L130 BoogieDeclarations]: Found specification of procedure take_over_console [2022-07-23 04:08:51,269 INFO L138 BoogieDeclarations]: Found implementation of procedure take_over_console [2022-07-23 04:08:51,269 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_sisusb_valid [2022-07-23 04:08:51,269 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_sisusb_valid [2022-07-23 04:08:51,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 04:08:51,269 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegOR [2022-07-23 04:08:51,269 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegOR [2022-07-23 04:08:51,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_sisusb_usb_data [2022-07-23 04:08:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_sisusb_usb_data [2022-07-23 04:08:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-23 04:08:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_check_rbc [2022-07-23 04:08:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_check_rbc [2022-07-23 04:08:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 04:08:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 04:08:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 04:08:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 04:08:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 04:08:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 04:08:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-23 04:08:51,271 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-23 04:08:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-23 04:08:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 04:08:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 04:08:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 04:08:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_outurb_available [2022-07-23 04:08:51,272 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_outurb_available [2022-07-23 04:08:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_kill_all_busy [2022-07-23 04:08:51,272 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_kill_all_busy [2022-07-23 04:08:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 04:08:51,273 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 04:08:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-23 04:08:51,273 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-23 04:08:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_getidxreg [2022-07-23 04:08:51,273 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_getidxreg [2022-07-23 04:08:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-23 04:08:51,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-23 04:08:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-23 04:08:51,274 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-23 04:08:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_writeb [2022-07-23 04:08:51,274 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_writeb [2022-07-23 04:08:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-23 04:08:51,274 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-23 04:08:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_set_default_mode [2022-07-23 04:08:51,275 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_set_default_mode [2022-07-23 04:08:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_memio_byte [2022-07-23 04:08:51,275 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_memio_byte [2022-07-23 04:08:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_DisplayOn [2022-07-23 04:08:51,275 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_DisplayOn [2022-07-23 04:08:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxregandor [2022-07-23 04:08:51,275 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxregandor [2022-07-23 04:08:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_mem_bulk [2022-07-23 04:08:51,276 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_mem_bulk [2022-07-23 04:08:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-07-23 04:08:51,276 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-07-23 04:08:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbdummycon_init [2022-07-23 04:08:51,276 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbdummycon_init [2022-07-23 04:08:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-07-23 04:08:51,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-07-23 04:08:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_GetReg [2022-07-23 04:08:51,277 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_GetReg [2022-07-23 04:08:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_do_font_op [2022-07-23 04:08:51,277 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_do_font_op [2022-07-23 04:08:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_init_gfxdevice [2022-07-23 04:08:51,277 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_init_gfxdevice [2022-07-23 04:08:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegByte [2022-07-23 04:08:51,278 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegByte [2022-07-23 04:08:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_free_urbs [2022-07-23 04:08:51,278 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_free_urbs [2022-07-23 04:08:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 04:08:51,278 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 04:08:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_send_bridge_packet [2022-07-23 04:08:51,278 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_send_bridge_packet [2022-07-23 04:08:51,279 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-23 04:08:51,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-23 04:08:51,279 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-23 04:08:51,279 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-23 04:08:51,279 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_ioctl [2022-07-23 04:08:51,279 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_ioctl [2022-07-23 04:08:51,279 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_memio_word [2022-07-23 04:08:51,279 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_memio_word [2022-07-23 04:08:51,280 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_get_sisusb [2022-07-23 04:08:51,280 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_get_sisusb [2022-07-23 04:08:51,280 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 04:08:51,280 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 04:08:51,280 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_cursor [2022-07-23 04:08:51,280 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_cursor [2022-07-23 04:08:51,280 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_is_inactive [2022-07-23 04:08:51,280 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_is_inactive [2022-07-23 04:08:51,281 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-23 04:08:51,281 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-23 04:08:51,281 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_clear_vram [2022-07-23 04:08:51,281 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_clear_vram [2022-07-23 04:08:51,281 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_pci_config [2022-07-23 04:08:51,281 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_pci_config [2022-07-23 04:08:51,281 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-23 04:08:51,282 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-23 04:08:51,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 04:08:51,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 04:08:51,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 04:08:51,282 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_send_bulk_msg [2022-07-23 04:08:51,282 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_send_bulk_msg [2022-07-23 04:08:51,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 04:08:51,282 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-07-23 04:08:51,282 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-07-23 04:08:51,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 04:08:51,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 04:08:51,283 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_readb [2022-07-23 04:08:51,283 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_readb [2022-07-23 04:08:51,283 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxregor [2022-07-23 04:08:51,283 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxregor [2022-07-23 04:08:51,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 04:08:51,283 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-07-23 04:08:51,284 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-07-23 04:08:51,284 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-23 04:08:51,284 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-23 04:08:51,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 04:08:51,284 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_send_packet [2022-07-23 04:08:51,284 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_send_packet [2022-07-23 04:08:51,284 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_memio_long [2022-07-23 04:08:51,284 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_memio_long [2022-07-23 04:08:51,285 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_reset_text_mode [2022-07-23 04:08:51,285 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_reset_text_mode [2022-07-23 04:08:51,285 INFO L130 BoogieDeclarations]: Found specification of procedure SiSUSB_InitPtr [2022-07-23 04:08:51,285 INFO L138 BoogieDeclarations]: Found implementation of procedure SiSUSB_InitPtr [2022-07-23 04:08:51,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 04:08:51,285 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_pci_config [2022-07-23 04:08:51,285 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_pci_config [2022-07-23 04:08:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-23 04:08:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxreg [2022-07-23 04:08:51,286 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxreg [2022-07-23 04:08:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 04:08:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegANDOR [2022-07-23 04:08:51,286 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegANDOR [2022-07-23 04:08:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 04:08:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 04:08:51,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 04:08:51,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 04:08:51,287 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_wait_all_out_complete [2022-07-23 04:08:51,287 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_wait_all_out_complete [2022-07-23 04:08:51,287 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-23 04:08:51,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-23 04:08:51,287 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegAND [2022-07-23 04:08:51,287 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegAND [2022-07-23 04:08:51,288 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxregand [2022-07-23 04:08:51,288 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxregand [2022-07-23 04:08:51,288 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-23 04:08:51,288 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-23 04:08:51,288 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetSegmentReg [2022-07-23 04:08:51,288 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetSegmentReg [2022-07-23 04:08:51,288 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_copy_memory [2022-07-23 04:08:51,288 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_copy_memory [2022-07-23 04:08:51,289 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setreg [2022-07-23 04:08:51,289 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setreg [2022-07-23 04:08:51,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_sisusb_usb_data [2022-07-23 04:08:51,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_sisusb_usb_data [2022-07-23 04:08:51,289 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_set_start_address [2022-07-23 04:08:51,289 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_set_start_address [2022-07-23 04:08:51,289 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-23 04:08:51,289 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-23 04:08:51,290 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 04:08:51,290 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 04:08:51,290 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_WriteDAC [2022-07-23 04:08:51,290 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_WriteDAC [2022-07-23 04:08:51,290 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_mem_bulk [2022-07-23 04:08:51,290 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_mem_bulk [2022-07-23 04:08:51,290 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_getreg [2022-07-23 04:08:51,290 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_getreg [2022-07-23 04:08:51,291 INFO L130 BoogieDeclarations]: Found specification of procedure SiSUSBSetMode [2022-07-23 04:08:51,291 INFO L138 BoogieDeclarations]: Found implementation of procedure SiSUSBSetMode [2022-07-23 04:08:51,291 INFO L130 BoogieDeclarations]: Found specification of procedure vc_resize [2022-07-23 04:08:51,291 INFO L138 BoogieDeclarations]: Found implementation of procedure vc_resize [2022-07-23 04:08:51,291 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_init [2022-07-23 04:08:51,291 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_init [2022-07-23 04:08:51,291 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-07-23 04:08:51,292 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-07-23 04:08:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 04:08:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_memio_long [2022-07-23 04:08:51,292 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_memio_long [2022-07-23 04:08:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_GetRegByte [2022-07-23 04:08:51,292 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_GetRegByte [2022-07-23 04:08:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 04:08:51,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 04:08:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_triggersr16 [2022-07-23 04:08:51,293 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_triggersr16 [2022-07-23 04:08:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-23 04:08:51,293 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-23 04:08:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 04:08:51,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 04:08:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_all_free [2022-07-23 04:08:51,293 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_all_free [2022-07-23 04:08:52,163 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 04:08:52,166 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 04:11:18,525 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 04:11:18,544 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 04:11:18,544 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 04:11:18,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:11:18 BoogieIcfgContainer [2022-07-23 04:11:18,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 04:11:18,551 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 04:11:18,551 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 04:11:18,554 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 04:11:18,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 04:08:46" (1/3) ... [2022-07-23 04:11:18,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f915608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 04:11:18, skipping insertion in model container [2022-07-23 04:11:18,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:08:50" (2/3) ... [2022-07-23 04:11:18,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f915608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 04:11:18, skipping insertion in model container [2022-07-23 04:11:18,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:11:18" (3/3) ... [2022-07-23 04:11:18,557 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 [2022-07-23 04:11:18,569 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 04:11:18,570 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 04:11:18,678 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 04:11:18,684 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@4f2e4ad4, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@63f476b5 [2022-07-23 04:11:18,685 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 04:11:18,698 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) [2022-07-23 04:11:18,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-23 04:11:18,705 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:11:18,706 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:11:18,706 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 04:11:18,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:11:18,712 INFO L85 PathProgramCache]: Analyzing trace with hash -674524315, now seen corresponding path program 1 times [2022-07-23 04:11:18,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:11:18,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [533150046] [2022-07-23 04:11:18,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:11:18,736 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:11:18,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:11:18,741 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) [2022-07-23 04:11:18,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 04:11:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:11:28,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 4827 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 04:11:28,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:11:28,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 04:11:28,778 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:11:28,778 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:11:28,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [533150046] [2022-07-23 04:11:28,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [533150046] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:11:28,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:11:28,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 04:11:28,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992852435] [2022-07-23 04:11:28,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:11:28,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 04:11:28,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:11:28,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 04:11:28,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:11:28,826 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) [2022-07-23 04:11:29,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:11:29,317 INFO L93 Difference]: Finished difference Result 5496 states and 8244 transitions. [2022-07-23 04:11:29,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 04:11:29,320 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 [2022-07-23 04:11:29,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:11:29,365 INFO L225 Difference]: With dead ends: 5496 [2022-07-23 04:11:29,366 INFO L226 Difference]: Without dead ends: 2747 [2022-07-23 04:11:29,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:11:29,397 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 [2022-07-23 04:11:29,401 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] [2022-07-23 04:11:29,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2747 states. [2022-07-23 04:11:29,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2747 to 2746. [2022-07-23 04:11:29,609 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) [2022-07-23 04:11:29,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2746 states to 2746 states and 4072 transitions. [2022-07-23 04:11:29,640 INFO L78 Accepts]: Start accepts. Automaton has 2746 states and 4072 transitions. Word has length 19 [2022-07-23 04:11:29,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:11:29,641 INFO L495 AbstractCegarLoop]: Abstraction has 2746 states and 4072 transitions. [2022-07-23 04:11:29,641 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) [2022-07-23 04:11:29,642 INFO L276 IsEmpty]: Start isEmpty. Operand 2746 states and 4072 transitions. [2022-07-23 04:11:29,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-07-23 04:11:29,643 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:11:29,643 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] [2022-07-23 04:11:29,859 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forcibly destroying the process [2022-07-23 04:11:29,883 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-23 04:11:29,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:11:29,884 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 04:11:29,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:11:29,884 INFO L85 PathProgramCache]: Analyzing trace with hash -34172631, now seen corresponding path program 1 times [2022-07-23 04:11:29,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:11:29,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [124293499] [2022-07-23 04:11:29,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:11:29,894 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:11:29,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:11:29,896 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) [2022-07-23 04:11:29,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 04:11:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:11:39,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 4838 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-23 04:11:39,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:11:39,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 04:11:39,915 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 04:11:40,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 04:11:40,636 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:11:40,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [124293499] [2022-07-23 04:11:40,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [124293499] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 04:11:40,636 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 04:11:40,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-07-23 04:11:40,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251020724] [2022-07-23 04:11:40,636 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 04:11:40,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:11:40,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:11:40,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:11:40,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:11:40,638 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) [2022-07-23 04:11:41,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:11:41,731 INFO L93 Difference]: Finished difference Result 5487 states and 8140 transitions. [2022-07-23 04:11:41,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 04:11:41,732 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 [2022-07-23 04:11:41,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:11:41,760 INFO L225 Difference]: With dead ends: 5487 [2022-07-23 04:11:41,760 INFO L226 Difference]: Without dead ends: 2752 [2022-07-23 04:11:41,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-07-23 04:11:41,785 INFO L413 NwaCegarLoop]: 4069 mSDtfsCounter, 5 mSDsluCounter, 8134 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-07-23 04:11:41,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 12203 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-23 04:11:41,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2752 states. [2022-07-23 04:11:41,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2752 to 2752. [2022-07-23 04:11:41,903 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) [2022-07-23 04:11:41,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2752 states to 2752 states and 4078 transitions. [2022-07-23 04:11:41,924 INFO L78 Accepts]: Start accepts. Automaton has 2752 states and 4078 transitions. Word has length 21 [2022-07-23 04:11:41,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:11:41,925 INFO L495 AbstractCegarLoop]: Abstraction has 2752 states and 4078 transitions. [2022-07-23 04:11:41,925 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) [2022-07-23 04:11:41,925 INFO L276 IsEmpty]: Start isEmpty. Operand 2752 states and 4078 transitions. [2022-07-23 04:11:41,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-07-23 04:11:41,926 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:11:41,926 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] [2022-07-23 04:11:42,139 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-23 04:11:42,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:11:42,143 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 04:11:42,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:11:42,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1509538699, now seen corresponding path program 2 times [2022-07-23 04:11:42,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:11:42,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [654585189] [2022-07-23 04:11:42,152 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 04:11:42,152 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:11:42,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:11:42,159 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) [2022-07-23 04:11:42,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 04:11:51,125 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-23 04:11:51,125 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 04:11:51,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 4827 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 04:11:51,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:11:53,369 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-07-23 04:11:53,370 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:11:53,370 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:11:53,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [654585189] [2022-07-23 04:11:53,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [654585189] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:11:53,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:11:53,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 04:11:53,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516625136] [2022-07-23 04:11:53,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:11:53,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 04:11:53,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:11:53,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 04:11:53,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:11:53,373 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) [2022-07-23 04:11:53,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:11:53,901 INFO L93 Difference]: Finished difference Result 2754 states and 4079 transitions. [2022-07-23 04:11:53,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 04:11:53,901 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 [2022-07-23 04:11:53,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:11:53,924 INFO L225 Difference]: With dead ends: 2754 [2022-07-23 04:11:53,924 INFO L226 Difference]: Without dead ends: 2751 [2022-07-23 04:11:53,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:11:53,933 INFO L413 NwaCegarLoop]: 4068 mSDtfsCounter, 4051 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4051 SdHoareTripleChecker+Valid, 4070 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-23 04:11:53,936 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] [2022-07-23 04:11:53,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2751 states. [2022-07-23 04:11:54,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2751 to 2751. [2022-07-23 04:11:54,045 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) [2022-07-23 04:11:54,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2751 states to 2751 states and 4076 transitions. [2022-07-23 04:11:54,062 INFO L78 Accepts]: Start accepts. Automaton has 2751 states and 4076 transitions. Word has length 27 [2022-07-23 04:11:54,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:11:54,063 INFO L495 AbstractCegarLoop]: Abstraction has 2751 states and 4076 transitions. [2022-07-23 04:11:54,063 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) [2022-07-23 04:11:54,063 INFO L276 IsEmpty]: Start isEmpty. Operand 2751 states and 4076 transitions. [2022-07-23 04:11:54,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-23 04:11:54,064 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:11:54,065 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] [2022-07-23 04:11:54,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 04:11:54,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:11:54,284 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 04:11:54,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:11:54,284 INFO L85 PathProgramCache]: Analyzing trace with hash 446571850, now seen corresponding path program 1 times [2022-07-23 04:11:54,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:11:54,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1786371599] [2022-07-23 04:11:54,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:11:54,290 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:11:54,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:11:54,291 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) [2022-07-23 04:11:54,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 04:12:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:12:03,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 4872 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-23 04:12:03,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:12:05,715 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 04:12:05,715 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 04:12:08,561 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 04:12:08,561 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:12:08,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1786371599] [2022-07-23 04:12:08,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1786371599] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 04:12:08,561 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 04:12:08,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-07-23 04:12:08,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059888989] [2022-07-23 04:12:08,561 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 04:12:08,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-23 04:12:08,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:12:08,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-23 04:12:08,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-23 04:12:08,563 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) [2022-07-23 04:12:14,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:12:14,019 INFO L93 Difference]: Finished difference Result 5497 states and 8151 transitions. [2022-07-23 04:12:14,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-23 04:12:14,020 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 [2022-07-23 04:12:14,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:12:14,047 INFO L225 Difference]: With dead ends: 5497 [2022-07-23 04:12:14,047 INFO L226 Difference]: Without dead ends: 2763 [2022-07-23 04:12:14,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-07-23 04:12:14,068 INFO L413 NwaCegarLoop]: 4067 mSDtfsCounter, 10 mSDsluCounter, 28455 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s 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, 2.6s IncrementalHoareTripleChecker+Time [2022-07-23 04:12:14,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 32522 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-23 04:12:14,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2763 states. [2022-07-23 04:12:14,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2763 to 2763. [2022-07-23 04:12:14,172 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) [2022-07-23 04:12:14,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2763 states and 4088 transitions. [2022-07-23 04:12:14,189 INFO L78 Accepts]: Start accepts. Automaton has 2763 states and 4088 transitions. Word has length 28 [2022-07-23 04:12:14,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:12:14,190 INFO L495 AbstractCegarLoop]: Abstraction has 2763 states and 4088 transitions. [2022-07-23 04:12:14,190 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) [2022-07-23 04:12:14,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2763 states and 4088 transitions. [2022-07-23 04:12:14,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-07-23 04:12:14,192 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:12:14,192 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] [2022-07-23 04:12:14,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-23 04:12:14,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:12:14,411 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 04:12:14,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:12:14,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1492423502, now seen corresponding path program 2 times [2022-07-23 04:12:14,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:12:14,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1198200521] [2022-07-23 04:12:14,418 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 04:12:14,418 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:12:14,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:12:14,420 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) [2022-07-23 04:12:14,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-23 04:12:23,390 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-23 04:12:23,390 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 04:12:23,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 4828 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 04:12:23,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:12:26,464 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-07-23 04:12:26,464 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:12:26,465 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:12:26,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1198200521] [2022-07-23 04:12:26,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1198200521] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:12:26,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:12:26,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 04:12:26,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553395216] [2022-07-23 04:12:26,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:12:26,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 04:12:26,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:12:26,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 04:12:26,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:12:26,466 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) [2022-07-23 04:12:27,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:12:27,336 INFO L93 Difference]: Finished difference Result 7230 states and 10707 transitions. [2022-07-23 04:12:27,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 04:12:27,340 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 [2022-07-23 04:12:27,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:12:27,379 INFO L225 Difference]: With dead ends: 7230 [2022-07-23 04:12:27,380 INFO L226 Difference]: Without dead ends: 4500 [2022-07-23 04:12:27,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:12:27,400 INFO L413 NwaCegarLoop]: 6013 mSDtfsCounter, 2758 mSDsluCounter, 3815 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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 [2022-07-23 04:12:27,401 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] [2022-07-23 04:12:27,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4500 states. [2022-07-23 04:12:27,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4500 to 4497. [2022-07-23 04:12:27,634 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) [2022-07-23 04:12:27,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4497 states to 4497 states and 6615 transitions. [2022-07-23 04:12:27,661 INFO L78 Accepts]: Start accepts. Automaton has 4497 states and 6615 transitions. Word has length 40 [2022-07-23 04:12:27,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:12:27,662 INFO L495 AbstractCegarLoop]: Abstraction has 4497 states and 6615 transitions. [2022-07-23 04:12:27,663 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) [2022-07-23 04:12:27,663 INFO L276 IsEmpty]: Start isEmpty. Operand 4497 states and 6615 transitions. [2022-07-23 04:12:27,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-07-23 04:12:27,665 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:12:27,666 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] [2022-07-23 04:12:27,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-23 04:12:27,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:12:27,888 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 04:12:27,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:12:27,888 INFO L85 PathProgramCache]: Analyzing trace with hash 977147824, now seen corresponding path program 1 times [2022-07-23 04:12:27,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:12:27,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1505149485] [2022-07-23 04:12:27,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:12:27,893 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:12:27,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:12:27,894 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) [2022-07-23 04:12:27,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-23 04:12:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:12:37,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 4939 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-23 04:12:37,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:12:44,332 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 04:12:44,332 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 04:12:55,642 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 04:12:55,643 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:12:55,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1505149485] [2022-07-23 04:12:55,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1505149485] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 04:12:55,643 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 04:12:55,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2022-07-23 04:12:55,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466737898] [2022-07-23 04:12:55,643 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 04:12:55,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-07-23 04:12:55,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:12:55,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-07-23 04:12:55,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2022-07-23 04:12:55,645 INFO L87 Difference]: Start difference. First operand 4497 states and 6615 transitions. Second operand has 24 states, 24 states have (on average 2.375) internal successors, (57), 24 states have internal predecessors, (57), 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)