./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 f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-?-f4b24e3 [2022-07-14 04:33:22,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 04:33:22,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 04:33:22,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 04:33:22,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 04:33:22,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 04:33:22,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 04:33:22,383 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 04:33:22,385 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 04:33:22,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 04:33:22,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 04:33:22,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 04:33:22,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 04:33:22,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 04:33:22,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 04:33:22,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 04:33:22,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 04:33:22,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 04:33:22,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 04:33:22,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 04:33:22,406 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 04:33:22,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 04:33:22,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 04:33:22,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 04:33:22,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 04:33:22,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 04:33:22,414 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 04:33:22,414 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 04:33:22,415 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 04:33:22,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 04:33:22,416 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 04:33:22,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 04:33:22,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 04:33:22,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 04:33:22,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 04:33:22,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 04:33:22,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 04:33:22,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 04:33:22,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 04:33:22,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 04:33:22,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 04:33:22,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 04:33:22,421 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 04:33:22,435 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 04:33:22,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 04:33:22,435 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 04:33:22,436 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 04:33:22,436 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 04:33:22,436 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 04:33:22,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 04:33:22,437 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 04:33:22,437 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 04:33:22,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 04:33:22,437 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 04:33:22,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 04:33:22,438 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 04:33:22,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 04:33:22,438 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 04:33:22,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 04:33:22,438 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 04:33:22,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 04:33:22,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 04:33:22,439 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 04:33:22,439 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 04:33:22,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:33:22,439 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 04:33:22,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 04:33:22,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 04:33:22,440 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 04:33:22,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 04:33:22,440 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 04:33:22,440 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 04:33:22,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 04:33:22,441 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d62cca735e5e5c3ed49d61d09e2b8d7696fac03708570c9e23afbb5bfdcaa275 [2022-07-14 04:33:22,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 04:33:22,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 04:33:22,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 04:33:22,640 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 04:33:22,642 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 04:33:22,643 INFO L432 ainManager$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 [2022-07-14 04:33:22,696 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f6aeee62/ce51f07a3b064e128cbb3a12c24201da/FLAGf1f701a17 [2022-07-14 04:33:23,332 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 04:33:23,332 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 [2022-07-14 04:33:23,364 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f6aeee62/ce51f07a3b064e128cbb3a12c24201da/FLAGf1f701a17 [2022-07-14 04:33:23,443 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f6aeee62/ce51f07a3b064e128cbb3a12c24201da [2022-07-14 04:33:23,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 04:33:23,447 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 04:33:23,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 04:33:23,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 04:33:23,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 04:33:23,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:33:23" (1/1) ... [2022-07-14 04:33:23,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ebf6353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:23, skipping insertion in model container [2022-07-14 04:33:23,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:33:23" (1/1) ... [2022-07-14 04:33:23,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 04:33:23,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:33:25,628 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] [2022-07-14 04:33:25,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:33:25,797 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 04:33:25,918 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) [2022-07-14 04:33:25,927 INFO L158 Benchmark]: Toolchain (without parser) took 2477.96ms. Allocated memory was 92.3MB in the beginning and 178.3MB in the end (delta: 86.0MB). Free memory was 62.7MB in the beginning and 84.4MB in the end (delta: -21.7MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. [2022-07-14 04:33:25,928 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 92.3MB. Free memory was 48.6MB in the beginning and 48.5MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 04:33:25,930 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2474.27ms. Allocated memory was 92.3MB in the beginning and 178.3MB in the end (delta: 86.0MB). Free memory was 62.7MB in the beginning and 84.4MB in the end (delta: -21.7MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. [2022-07-14 04:33:25,932 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 92.3MB. Free memory was 48.6MB in the beginning and 48.5MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2474.27ms. Allocated memory was 92.3MB in the beginning and 178.3MB in the end (delta: 86.0MB). Free memory was 62.7MB in the beginning and 84.4MB in the end (delta: -21.7MB). Peak memory consumption was 73.9MB. 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-?-f4b24e3 [2022-07-14 04:33:27,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 04:33:27,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 04:33:27,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 04:33:27,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 04:33:27,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 04:33:27,433 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 04:33:27,436 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 04:33:27,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 04:33:27,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 04:33:27,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 04:33:27,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 04:33:27,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 04:33:27,454 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 04:33:27,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 04:33:27,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 04:33:27,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 04:33:27,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 04:33:27,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 04:33:27,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 04:33:27,472 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 04:33:27,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 04:33:27,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 04:33:27,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 04:33:27,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 04:33:27,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 04:33:27,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 04:33:27,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 04:33:27,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 04:33:27,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 04:33:27,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 04:33:27,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 04:33:27,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 04:33:27,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 04:33:27,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 04:33:27,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 04:33:27,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 04:33:27,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 04:33:27,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 04:33:27,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 04:33:27,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 04:33:27,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 04:33:27,495 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 04:33:27,528 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 04:33:27,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 04:33:27,529 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 04:33:27,529 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 04:33:27,530 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 04:33:27,530 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 04:33:27,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 04:33:27,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 04:33:27,531 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 04:33:27,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 04:33:27,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 04:33:27,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 04:33:27,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 04:33:27,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 04:33:27,533 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 04:33:27,533 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 04:33:27,533 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 04:33:27,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 04:33:27,533 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 04:33:27,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 04:33:27,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 04:33:27,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 04:33:27,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 04:33:27,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:33:27,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 04:33:27,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 04:33:27,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 04:33:27,535 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 04:33:27,535 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 04:33:27,535 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 04:33:27,536 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 04:33:27,536 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 04:33:27,536 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 04:33:27,536 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d62cca735e5e5c3ed49d61d09e2b8d7696fac03708570c9e23afbb5bfdcaa275 [2022-07-14 04:33:27,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 04:33:27,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 04:33:27,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 04:33:27,836 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 04:33:27,836 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 04:33:27,838 INFO L432 ainManager$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 [2022-07-14 04:33:27,902 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7c939b8e/25bfc9d8dd654e9d943bc3e8b0cb3458/FLAGd17f722cc [2022-07-14 04:33:28,577 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 04:33:28,578 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 [2022-07-14 04:33:28,618 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7c939b8e/25bfc9d8dd654e9d943bc3e8b0cb3458/FLAGd17f722cc [2022-07-14 04:33:28,663 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7c939b8e/25bfc9d8dd654e9d943bc3e8b0cb3458 [2022-07-14 04:33:28,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 04:33:28,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 04:33:28,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 04:33:28,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 04:33:28,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 04:33:28,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:33:28" (1/1) ... [2022-07-14 04:33:28,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11414851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:28, skipping insertion in model container [2022-07-14 04:33:28,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:33:28" (1/1) ... [2022-07-14 04:33:28,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 04:33:28,796 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:33:30,328 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] [2022-07-14 04:33:30,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:33:30,488 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 04:33:30,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:33:30,867 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] [2022-07-14 04:33:30,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:33:30,914 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 04:33:31,301 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] [2022-07-14 04:33:31,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:33:31,538 INFO L208 MainTranslator]: Completed translation [2022-07-14 04:33:31,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:31 WrapperNode [2022-07-14 04:33:31,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 04:33:31,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 04:33:31,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 04:33:31,541 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 04:33:31,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:31" (1/1) ... [2022-07-14 04:33:31,719 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:31" (1/1) ... [2022-07-14 04:33:31,946 INFO L137 Inliner]: procedures = 374, calls = 7215, calls flagged for inlining = 183, calls inlined = 137, statements flattened = 11408 [2022-07-14 04:33:31,946 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 04:33:31,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 04:33:31,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 04:33:31,948 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 04:33:31,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:31" (1/1) ... [2022-07-14 04:33:31,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:31" (1/1) ... [2022-07-14 04:33:32,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:31" (1/1) ... [2022-07-14 04:33:32,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:31" (1/1) ... [2022-07-14 04:33:32,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:31" (1/1) ... [2022-07-14 04:33:32,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:31" (1/1) ... [2022-07-14 04:33:32,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:31" (1/1) ... [2022-07-14 04:33:32,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 04:33:32,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 04:33:32,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 04:33:32,373 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 04:33:32,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:31" (1/1) ... [2022-07-14 04:33:32,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:33:32,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:33:32,400 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) [2022-07-14 04:33:32,417 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 [2022-07-14 04:33:32,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 04:33:32,425 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-14 04:33:32,425 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-14 04:33:32,425 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-14 04:33:32,425 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-14 04:33:32,425 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-07-14 04:33:32,425 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-07-14 04:33:32,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 04:33:32,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 04:33:32,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 04:33:32,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 04:33:32,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 04:33:32,426 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-14 04:33:32,426 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-14 04:33:32,426 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_recv_bulk_msg [2022-07-14 04:33:32,427 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_recv_bulk_msg [2022-07-14 04:33:32,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 04:33:32,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 04:33:32,427 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_save_screen [2022-07-14 04:33:32,427 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_save_screen [2022-07-14 04:33:32,427 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_free_buffers [2022-07-14 04:33:32,427 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_free_buffers [2022-07-14 04:33:32,427 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_disconnect [2022-07-14 04:33:32,428 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_disconnect [2022-07-14 04:33:32,428 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_deinit [2022-07-14 04:33:32,428 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_deinit [2022-07-14 04:33:32,428 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_memio_byte [2022-07-14 04:33:32,428 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_memio_byte [2022-07-14 04:33:32,428 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 04:33:32,428 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 04:33:32,428 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-07-14 04:33:32,429 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-07-14 04:33:32,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 04:33:32,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 04:33:32,429 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_set_cursor [2022-07-14 04:33:32,429 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_set_cursor [2022-07-14 04:33:32,429 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2022-07-14 04:33:32,429 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2022-07-14 04:33:32,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-07-14 04:33:32,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-07-14 04:33:32,430 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_memio_word [2022-07-14 04:33:32,430 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_memio_word [2022-07-14 04:33:32,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 04:33:32,430 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 04:33:32,430 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetReg [2022-07-14 04:33:32,430 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetReg [2022-07-14 04:33:32,430 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-14 04:33:32,431 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-14 04:33:32,431 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_get_sisusb_lock_and_check [2022-07-14 04:33:32,431 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_get_sisusb_lock_and_check [2022-07-14 04:33:32,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 04:33:32,431 INFO L130 BoogieDeclarations]: Found specification of procedure take_over_console [2022-07-14 04:33:32,431 INFO L138 BoogieDeclarations]: Found implementation of procedure take_over_console [2022-07-14 04:33:32,431 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_sisusb_valid [2022-07-14 04:33:32,431 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_sisusb_valid [2022-07-14 04:33:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 04:33:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegOR [2022-07-14 04:33:32,432 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegOR [2022-07-14 04:33:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_sisusb_usb_data [2022-07-14 04:33:32,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_sisusb_usb_data [2022-07-14 04:33:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-14 04:33:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_check_rbc [2022-07-14 04:33:32,432 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_check_rbc [2022-07-14 04:33:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 04:33:32,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 04:33:32,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 04:33:32,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 04:33:32,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 04:33:32,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 04:33:32,433 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-14 04:33:32,433 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-14 04:33:32,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-14 04:33:32,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 04:33:32,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 04:33:32,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 04:33:32,434 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_outurb_available [2022-07-14 04:33:32,434 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_outurb_available [2022-07-14 04:33:32,434 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_kill_all_busy [2022-07-14 04:33:32,434 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_kill_all_busy [2022-07-14 04:33:32,434 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 04:33:32,435 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 04:33:32,435 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-14 04:33:32,435 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-14 04:33:32,435 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_getidxreg [2022-07-14 04:33:32,435 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_getidxreg [2022-07-14 04:33:32,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-14 04:33:32,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-14 04:33:32,435 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-14 04:33:32,436 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-14 04:33:32,436 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_writeb [2022-07-14 04:33:32,436 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_writeb [2022-07-14 04:33:32,436 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-14 04:33:32,436 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-14 04:33:32,436 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_set_default_mode [2022-07-14 04:33:32,436 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_set_default_mode [2022-07-14 04:33:32,437 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_memio_byte [2022-07-14 04:33:32,437 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_memio_byte [2022-07-14 04:33:32,437 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_DisplayOn [2022-07-14 04:33:32,437 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_DisplayOn [2022-07-14 04:33:32,437 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxregandor [2022-07-14 04:33:32,437 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxregandor [2022-07-14 04:33:32,437 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_mem_bulk [2022-07-14 04:33:32,437 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_mem_bulk [2022-07-14 04:33:32,437 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-07-14 04:33:32,438 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-07-14 04:33:32,438 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbdummycon_init [2022-07-14 04:33:32,438 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbdummycon_init [2022-07-14 04:33:32,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-07-14 04:33:32,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-07-14 04:33:32,438 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_GetReg [2022-07-14 04:33:32,438 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_GetReg [2022-07-14 04:33:32,438 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_do_font_op [2022-07-14 04:33:32,439 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_do_font_op [2022-07-14 04:33:32,439 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_init_gfxdevice [2022-07-14 04:33:32,439 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_init_gfxdevice [2022-07-14 04:33:32,439 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegByte [2022-07-14 04:33:32,439 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegByte [2022-07-14 04:33:32,439 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_free_urbs [2022-07-14 04:33:32,439 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_free_urbs [2022-07-14 04:33:32,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 04:33:32,440 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 04:33:32,440 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_send_bridge_packet [2022-07-14 04:33:32,440 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_send_bridge_packet [2022-07-14 04:33:32,440 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-14 04:33:32,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-14 04:33:32,440 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-14 04:33:32,440 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-14 04:33:32,440 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_ioctl [2022-07-14 04:33:32,441 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_ioctl [2022-07-14 04:33:32,441 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_memio_word [2022-07-14 04:33:32,441 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_memio_word [2022-07-14 04:33:32,441 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_get_sisusb [2022-07-14 04:33:32,441 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_get_sisusb [2022-07-14 04:33:32,441 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 04:33:32,441 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 04:33:32,441 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_cursor [2022-07-14 04:33:32,441 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_cursor [2022-07-14 04:33:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_is_inactive [2022-07-14 04:33:32,442 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_is_inactive [2022-07-14 04:33:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-14 04:33:32,442 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-14 04:33:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_clear_vram [2022-07-14 04:33:32,442 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_clear_vram [2022-07-14 04:33:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_pci_config [2022-07-14 04:33:32,442 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_pci_config [2022-07-14 04:33:32,443 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-14 04:33:32,443 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-14 04:33:32,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 04:33:32,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 04:33:32,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 04:33:32,443 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_send_bulk_msg [2022-07-14 04:33:32,443 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_send_bulk_msg [2022-07-14 04:33:32,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 04:33:32,443 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-07-14 04:33:32,444 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-07-14 04:33:32,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 04:33:32,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 04:33:32,444 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_readb [2022-07-14 04:33:32,444 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_readb [2022-07-14 04:33:32,444 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxregor [2022-07-14 04:33:32,444 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxregor [2022-07-14 04:33:32,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 04:33:32,444 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-07-14 04:33:32,445 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-07-14 04:33:32,445 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-14 04:33:32,445 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-14 04:33:32,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 04:33:32,445 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_send_packet [2022-07-14 04:33:32,445 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_send_packet [2022-07-14 04:33:32,445 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_memio_long [2022-07-14 04:33:32,445 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_memio_long [2022-07-14 04:33:32,445 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_reset_text_mode [2022-07-14 04:33:32,446 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_reset_text_mode [2022-07-14 04:33:32,446 INFO L130 BoogieDeclarations]: Found specification of procedure SiSUSB_InitPtr [2022-07-14 04:33:32,446 INFO L138 BoogieDeclarations]: Found implementation of procedure SiSUSB_InitPtr [2022-07-14 04:33:32,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 04:33:32,446 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_pci_config [2022-07-14 04:33:32,446 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_pci_config [2022-07-14 04:33:32,446 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 04:33:32,446 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxreg [2022-07-14 04:33:32,446 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxreg [2022-07-14 04:33:32,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 04:33:32,447 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegANDOR [2022-07-14 04:33:32,447 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegANDOR [2022-07-14 04:33:32,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 04:33:32,447 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:33:32,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:33:32,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 04:33:32,447 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_wait_all_out_complete [2022-07-14 04:33:32,448 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_wait_all_out_complete [2022-07-14 04:33:32,448 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-14 04:33:32,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-14 04:33:32,448 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegAND [2022-07-14 04:33:32,448 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegAND [2022-07-14 04:33:32,448 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxregand [2022-07-14 04:33:32,448 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxregand [2022-07-14 04:33:32,448 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-14 04:33:32,448 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-14 04:33:32,449 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetSegmentReg [2022-07-14 04:33:32,449 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetSegmentReg [2022-07-14 04:33:32,449 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_copy_memory [2022-07-14 04:33:32,449 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_copy_memory [2022-07-14 04:33:32,449 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setreg [2022-07-14 04:33:32,449 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setreg [2022-07-14 04:33:32,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_sisusb_usb_data [2022-07-14 04:33:32,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_sisusb_usb_data [2022-07-14 04:33:32,449 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_set_start_address [2022-07-14 04:33:32,450 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_set_start_address [2022-07-14 04:33:32,450 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-14 04:33:32,450 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-14 04:33:32,450 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 04:33:32,450 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 04:33:32,450 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_WriteDAC [2022-07-14 04:33:32,450 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_WriteDAC [2022-07-14 04:33:32,450 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_mem_bulk [2022-07-14 04:33:32,450 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_mem_bulk [2022-07-14 04:33:32,451 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_getreg [2022-07-14 04:33:32,451 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_getreg [2022-07-14 04:33:32,451 INFO L130 BoogieDeclarations]: Found specification of procedure SiSUSBSetMode [2022-07-14 04:33:32,451 INFO L138 BoogieDeclarations]: Found implementation of procedure SiSUSBSetMode [2022-07-14 04:33:32,451 INFO L130 BoogieDeclarations]: Found specification of procedure vc_resize [2022-07-14 04:33:32,451 INFO L138 BoogieDeclarations]: Found implementation of procedure vc_resize [2022-07-14 04:33:32,451 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_init [2022-07-14 04:33:32,451 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_init [2022-07-14 04:33:32,451 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-07-14 04:33:32,452 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-07-14 04:33:32,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 04:33:32,452 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_memio_long [2022-07-14 04:33:32,452 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_memio_long [2022-07-14 04:33:32,452 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_GetRegByte [2022-07-14 04:33:32,452 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_GetRegByte [2022-07-14 04:33:32,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 04:33:32,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 04:33:32,453 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_triggersr16 [2022-07-14 04:33:32,453 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_triggersr16 [2022-07-14 04:33:32,453 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-14 04:33:32,453 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-14 04:33:32,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 04:33:32,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 04:33:32,453 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_all_free [2022-07-14 04:33:32,453 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_all_free [2022-07-14 04:33:33,123 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 04:33:33,126 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 04:36:01,970 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 04:36:01,986 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 04:36:01,987 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 04:36:01,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:36:01 BoogieIcfgContainer [2022-07-14 04:36:01,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 04:36:01,992 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 04:36:01,992 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 04:36:01,994 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 04:36:01,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 04:33:28" (1/3) ... [2022-07-14 04:36:01,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5135f50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:36:01, skipping insertion in model container [2022-07-14 04:36:01,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:33:31" (2/3) ... [2022-07-14 04:36:01,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5135f50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:36:01, skipping insertion in model container [2022-07-14 04:36:01,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:36:01" (3/3) ... [2022-07-14 04:36:01,996 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 [2022-07-14 04:36:02,006 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 04:36:02,007 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 04:36:02,103 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 04:36:02,107 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@2e0be13c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5b34e20b [2022-07-14 04:36:02,107 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 04:36:02,118 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) [2022-07-14 04:36:02,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-14 04:36:02,124 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:36:02,124 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:36:02,124 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:36:02,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:36:02,128 INFO L85 PathProgramCache]: Analyzing trace with hash -674524315, now seen corresponding path program 1 times [2022-07-14 04:36:02,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:36:02,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [482075030] [2022-07-14 04:36:02,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:36:02,145 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:36:02,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:36:02,149 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) [2022-07-14 04:36:02,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 04:36:10,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:36:11,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 4827 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:36:11,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:36:11,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 04:36:11,794 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:36:11,794 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:36:11,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [482075030] [2022-07-14 04:36:11,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [482075030] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:36:11,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:36:11,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:36:11,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328481391] [2022-07-14 04:36:11,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:36:11,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:36:11,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:36:11,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:36:11,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:36:11,822 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) [2022-07-14 04:36:12,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:36:12,286 INFO L93 Difference]: Finished difference Result 5496 states and 8244 transitions. [2022-07-14 04:36:12,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:36:12,288 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 [2022-07-14 04:36:12,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:36:12,320 INFO L225 Difference]: With dead ends: 5496 [2022-07-14 04:36:12,320 INFO L226 Difference]: Without dead ends: 2747 [2022-07-14 04:36:12,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:36:12,343 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 [2022-07-14 04:36:12,346 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] [2022-07-14 04:36:12,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2747 states. [2022-07-14 04:36:12,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2747 to 2746. [2022-07-14 04:36:12,568 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) [2022-07-14 04:36:12,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2746 states to 2746 states and 4072 transitions. [2022-07-14 04:36:12,591 INFO L78 Accepts]: Start accepts. Automaton has 2746 states and 4072 transitions. Word has length 19 [2022-07-14 04:36:12,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:36:12,592 INFO L495 AbstractCegarLoop]: Abstraction has 2746 states and 4072 transitions. [2022-07-14 04:36:12,592 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) [2022-07-14 04:36:12,592 INFO L276 IsEmpty]: Start isEmpty. Operand 2746 states and 4072 transitions. [2022-07-14 04:36:12,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-07-14 04:36:12,593 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:36:12,593 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] [2022-07-14 04:36:12,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 04:36:12,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:36:12,808 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:36:12,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:36:12,808 INFO L85 PathProgramCache]: Analyzing trace with hash -34172631, now seen corresponding path program 1 times [2022-07-14 04:36:12,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:36:12,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1303415976] [2022-07-14 04:36:12,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:36:12,813 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:36:12,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:36:12,815 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) [2022-07-14 04:36:12,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 04:36:21,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:36:21,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 4838 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-14 04:36:21,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:36:22,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 04:36:22,439 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 04:36:23,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 04:36:23,227 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:36:23,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1303415976] [2022-07-14 04:36:23,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1303415976] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 04:36:23,228 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 04:36:23,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-07-14 04:36:23,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90332136] [2022-07-14 04:36:23,228 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 04:36:23,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:36:23,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:36:23,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:36:23,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:36:23,230 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) [2022-07-14 04:36:24,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:36:24,345 INFO L93 Difference]: Finished difference Result 5487 states and 8140 transitions. [2022-07-14 04:36:24,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 04:36:24,346 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 [2022-07-14 04:36:24,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:36:24,363 INFO L225 Difference]: With dead ends: 5487 [2022-07-14 04:36:24,363 INFO L226 Difference]: Without dead ends: 2752 [2022-07-14 04:36:24,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-07-14 04:36:24,381 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 [2022-07-14 04:36:24,383 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] [2022-07-14 04:36:24,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2752 states. [2022-07-14 04:36:24,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2752 to 2752. [2022-07-14 04:36:24,454 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) [2022-07-14 04:36:24,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2752 states to 2752 states and 4078 transitions. [2022-07-14 04:36:24,473 INFO L78 Accepts]: Start accepts. Automaton has 2752 states and 4078 transitions. Word has length 21 [2022-07-14 04:36:24,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:36:24,473 INFO L495 AbstractCegarLoop]: Abstraction has 2752 states and 4078 transitions. [2022-07-14 04:36:24,473 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) [2022-07-14 04:36:24,473 INFO L276 IsEmpty]: Start isEmpty. Operand 2752 states and 4078 transitions. [2022-07-14 04:36:24,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-07-14 04:36:24,474 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:36:24,475 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] [2022-07-14 04:36:24,636 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-14 04:36:24,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:36:24,691 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:36:24,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:36:24,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1509538699, now seen corresponding path program 2 times [2022-07-14 04:36:24,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:36:24,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1146679038] [2022-07-14 04:36:24,696 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 04:36:24,696 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:36:24,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:36:24,704 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) [2022-07-14 04:36:24,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 04:36:33,047 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 04:36:33,047 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 04:36:33,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 4827 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:36:33,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:36:35,281 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-07-14 04:36:35,281 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:36:35,281 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:36:35,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1146679038] [2022-07-14 04:36:35,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1146679038] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:36:35,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:36:35,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:36:35,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972041485] [2022-07-14 04:36:35,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:36:35,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:36:35,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:36:35,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:36:35,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:36:35,282 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) [2022-07-14 04:36:35,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:36:35,712 INFO L93 Difference]: Finished difference Result 2754 states and 4079 transitions. [2022-07-14 04:36:35,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:36:35,713 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 [2022-07-14 04:36:35,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:36:35,726 INFO L225 Difference]: With dead ends: 2754 [2022-07-14 04:36:35,727 INFO L226 Difference]: Without dead ends: 2751 [2022-07-14 04:36:35,728 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 [2022-07-14 04:36:35,732 INFO L413 NwaCegarLoop]: 4068 mSDtfsCounter, 4051 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4051 SdHoareTripleChecker+Valid, 4070 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-14 04:36:35,734 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] [2022-07-14 04:36:35,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2751 states. [2022-07-14 04:36:35,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2751 to 2751. [2022-07-14 04:36:35,816 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) [2022-07-14 04:36:35,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2751 states to 2751 states and 4076 transitions. [2022-07-14 04:36:35,834 INFO L78 Accepts]: Start accepts. Automaton has 2751 states and 4076 transitions. Word has length 27 [2022-07-14 04:36:35,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:36:35,834 INFO L495 AbstractCegarLoop]: Abstraction has 2751 states and 4076 transitions. [2022-07-14 04:36:35,835 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) [2022-07-14 04:36:35,835 INFO L276 IsEmpty]: Start isEmpty. Operand 2751 states and 4076 transitions. [2022-07-14 04:36:35,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-14 04:36:35,836 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:36:35,837 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] [2022-07-14 04:36:36,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 04:36:36,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:36:36,051 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:36:36,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:36:36,052 INFO L85 PathProgramCache]: Analyzing trace with hash 446571850, now seen corresponding path program 1 times [2022-07-14 04:36:36,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:36:36,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [380996116] [2022-07-14 04:36:36,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:36:36,058 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:36:36,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:36:36,060 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) [2022-07-14 04:36:36,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 04:36:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:36:45,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 4872 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-14 04:36:45,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:36:47,265 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 04:36:47,266 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 04:36:50,674 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 04:36:50,674 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:36:50,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [380996116] [2022-07-14 04:36:50,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [380996116] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 04:36:50,674 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 04:36:50,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-07-14 04:36:50,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89705398] [2022-07-14 04:36:50,674 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 04:36:50,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-14 04:36:50,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:36:50,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-14 04:36:50,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-14 04:36:50,675 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) [2022-07-14 04:36:56,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:36:56,977 INFO L93 Difference]: Finished difference Result 5497 states and 8151 transitions. [2022-07-14 04:36:56,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-14 04:36:56,978 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 [2022-07-14 04:36:56,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:36:56,997 INFO L225 Difference]: With dead ends: 5497 [2022-07-14 04:36:56,997 INFO L226 Difference]: Without dead ends: 2763 [2022-07-14 04:36:57,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-07-14 04:36:57,012 INFO L413 NwaCegarLoop]: 4067 mSDtfsCounter, 10 mSDsluCounter, 28455 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 32522 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-14 04:36:57,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 32522 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-14 04:36:57,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2763 states. [2022-07-14 04:36:57,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2763 to 2763. [2022-07-14 04:36:57,085 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) [2022-07-14 04:36:57,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2763 states and 4088 transitions. [2022-07-14 04:36:57,099 INFO L78 Accepts]: Start accepts. Automaton has 2763 states and 4088 transitions. Word has length 28 [2022-07-14 04:36:57,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:36:57,099 INFO L495 AbstractCegarLoop]: Abstraction has 2763 states and 4088 transitions. [2022-07-14 04:36:57,099 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) [2022-07-14 04:36:57,100 INFO L276 IsEmpty]: Start isEmpty. Operand 2763 states and 4088 transitions. [2022-07-14 04:36:57,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-07-14 04:36:57,101 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:36:57,101 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] [2022-07-14 04:36:57,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 04:36:57,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:36:57,315 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:36:57,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:36:57,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1492423502, now seen corresponding path program 2 times [2022-07-14 04:36:57,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:36:57,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2048890150] [2022-07-14 04:36:57,321 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 04:36:57,321 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:36:57,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:36:57,322 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) [2022-07-14 04:36:57,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 04:37:05,932 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 04:37:05,932 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 04:37:06,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 4828 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:37:06,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:37:09,309 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-07-14 04:37:09,309 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:37:09,310 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:37:09,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2048890150] [2022-07-14 04:37:09,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2048890150] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:37:09,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:37:09,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:37:09,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923289178] [2022-07-14 04:37:09,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:37:09,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:37:09,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:37:09,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:37:09,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:37:09,311 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) [2022-07-14 04:37:10,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:37:10,048 INFO L93 Difference]: Finished difference Result 7230 states and 10707 transitions. [2022-07-14 04:37:10,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:37:10,048 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 [2022-07-14 04:37:10,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:37:10,076 INFO L225 Difference]: With dead ends: 7230 [2022-07-14 04:37:10,076 INFO L226 Difference]: Without dead ends: 4500 [2022-07-14 04:37:10,092 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 [2022-07-14 04:37:10,093 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, 0.6s IncrementalHoareTripleChecker+Time [2022-07-14 04:37:10,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2758 Valid, 9828 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-14 04:37:10,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4500 states. [2022-07-14 04:37:10,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4500 to 4497. [2022-07-14 04:37:10,253 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) [2022-07-14 04:37:10,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4497 states to 4497 states and 6615 transitions. [2022-07-14 04:37:10,272 INFO L78 Accepts]: Start accepts. Automaton has 4497 states and 6615 transitions. Word has length 40 [2022-07-14 04:37:10,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:37:10,273 INFO L495 AbstractCegarLoop]: Abstraction has 4497 states and 6615 transitions. [2022-07-14 04:37:10,273 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) [2022-07-14 04:37:10,273 INFO L276 IsEmpty]: Start isEmpty. Operand 4497 states and 6615 transitions. [2022-07-14 04:37:10,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-07-14 04:37:10,275 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:37:10,276 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] [2022-07-14 04:37:10,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-14 04:37:10,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:37:10,487 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:37:10,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:37:10,488 INFO L85 PathProgramCache]: Analyzing trace with hash 977147824, now seen corresponding path program 1 times [2022-07-14 04:37:10,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:37:10,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1183213037] [2022-07-14 04:37:10,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:37:10,492 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:37:10,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:37:10,493 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) [2022-07-14 04:37:10,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 04:37:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:37:19,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 4939 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-14 04:37:19,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:37:27,243 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 04:37:27,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 04:37:40,203 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 04:37:40,203 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:37:40,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1183213037] [2022-07-14 04:37:40,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1183213037] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 04:37:40,204 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 04:37:40,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2022-07-14 04:37:40,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358149181] [2022-07-14 04:37:40,204 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 04:37:40,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-07-14 04:37:40,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:37:40,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-07-14 04:37:40,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2022-07-14 04:37:40,205 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)