./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.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 defe568d3ecd4be058b114d2d7ea2aab8a7b360536dba6f49b11be810e3fc79e --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 12:26:41,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 12:26:41,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 12:26:41,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 12:26:41,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 12:26:41,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 12:26:41,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 12:26:41,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 12:26:41,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 12:26:41,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 12:26:41,136 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 12:26:41,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 12:26:41,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 12:26:41,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 12:26:41,140 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 12:26:41,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 12:26:41,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 12:26:41,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 12:26:41,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 12:26:41,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 12:26:41,152 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 12:26:41,153 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 12:26:41,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 12:26:41,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 12:26:41,156 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 12:26:41,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 12:26:41,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 12:26:41,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 12:26:41,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 12:26:41,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 12:26:41,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 12:26:41,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 12:26:41,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 12:26:41,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 12:26:41,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 12:26:41,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 12:26:41,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 12:26:41,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 12:26:41,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 12:26:41,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 12:26:41,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 12:26:41,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 12:26:41,180 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 12:26:41,204 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 12:26:41,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 12:26:41,205 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 12:26:41,205 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 12:26:41,206 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 12:26:41,206 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 12:26:41,207 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 12:26:41,207 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 12:26:41,207 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 12:26:41,208 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 12:26:41,208 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 12:26:41,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 12:26:41,208 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 12:26:41,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 12:26:41,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 12:26:41,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 12:26:41,209 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 12:26:41,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 12:26:41,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 12:26:41,209 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 12:26:41,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 12:26:41,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:26:41,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 12:26:41,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 12:26:41,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 12:26:41,210 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 12:26:41,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 12:26:41,210 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 12:26:41,211 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 12:26:41,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 12:26:41,211 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> defe568d3ecd4be058b114d2d7ea2aab8a7b360536dba6f49b11be810e3fc79e [2022-07-21 12:26:41,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 12:26:41,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 12:26:41,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 12:26:41,518 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 12:26:41,519 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 12:26:41,520 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i [2022-07-21 12:26:41,587 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99b733cf9/d8e46485adbe494fa2ee9597bd92ab64/FLAGb457d0086 [2022-07-21 12:26:42,405 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 12:26:42,406 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i [2022-07-21 12:26:42,463 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99b733cf9/d8e46485adbe494fa2ee9597bd92ab64/FLAGb457d0086 [2022-07-21 12:26:42,615 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99b733cf9/d8e46485adbe494fa2ee9597bd92ab64 [2022-07-21 12:26:42,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 12:26:42,619 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 12:26:42,621 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 12:26:42,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 12:26:42,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 12:26:42,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:26:42" (1/1) ... [2022-07-21 12:26:42,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1da9959b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:42, skipping insertion in model container [2022-07-21 12:26:42,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:26:42" (1/1) ... [2022-07-21 12:26:42,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 12:26:42,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:26:45,673 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i[443384,443397] [2022-07-21 12:26:45,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:26:45,962 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 12:26:46,339 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: option = (unsigned int )((unsigned char )p_dev->config_index) & 63U [10869] 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: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) [2022-07-21 12:26:46,344 INFO L158 Benchmark]: Toolchain (without parser) took 3724.35ms. Allocated memory was 62.9MB in the beginning and 205.5MB in the end (delta: 142.6MB). Free memory was 34.2MB in the beginning and 101.4MB in the end (delta: -67.2MB). Peak memory consumption was 92.1MB. Max. memory is 16.1GB. [2022-07-21 12:26:46,344 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 50.3MB. Free memory was 31.9MB in the beginning and 31.8MB in the end (delta: 46.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 12:26:46,345 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3720.94ms. Allocated memory was 62.9MB in the beginning and 205.5MB in the end (delta: 142.6MB). Free memory was 33.9MB in the beginning and 101.4MB in the end (delta: -67.5MB). Peak memory consumption was 90.0MB. Max. memory is 16.1GB. [2022-07-21 12:26:46,346 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 50.3MB. Free memory was 31.9MB in the beginning and 31.8MB in the end (delta: 46.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3720.94ms. Allocated memory was 62.9MB in the beginning and 205.5MB in the end (delta: 142.6MB). Free memory was 33.9MB in the beginning and 101.4MB in the end (delta: -67.5MB). Peak memory consumption was 90.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: option = (unsigned int )((unsigned char )p_dev->config_index) & 63U [10869] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: option = (unsigned int )((unsigned char )p_dev->config_index) & 63U [10869]: 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.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 defe568d3ecd4be058b114d2d7ea2aab8a7b360536dba6f49b11be810e3fc79e --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 12:26:48,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 12:26:48,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 12:26:48,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 12:26:48,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 12:26:48,086 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 12:26:48,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 12:26:48,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 12:26:48,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 12:26:48,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 12:26:48,098 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 12:26:48,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 12:26:48,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 12:26:48,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 12:26:48,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 12:26:48,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 12:26:48,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 12:26:48,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 12:26:48,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 12:26:48,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 12:26:48,110 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 12:26:48,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 12:26:48,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 12:26:48,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 12:26:48,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 12:26:48,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 12:26:48,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 12:26:48,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 12:26:48,115 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 12:26:48,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 12:26:48,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 12:26:48,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 12:26:48,125 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 12:26:48,126 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 12:26:48,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 12:26:48,127 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 12:26:48,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 12:26:48,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 12:26:48,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 12:26:48,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 12:26:48,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 12:26:48,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 12:26:48,134 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 12:26:48,161 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 12:26:48,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 12:26:48,162 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 12:26:48,162 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 12:26:48,163 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 12:26:48,163 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 12:26:48,163 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 12:26:48,164 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 12:26:48,164 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 12:26:48,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 12:26:48,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 12:26:48,165 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 12:26:48,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 12:26:48,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 12:26:48,173 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 12:26:48,173 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 12:26:48,174 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 12:26:48,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 12:26:48,174 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 12:26:48,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 12:26:48,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 12:26:48,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 12:26:48,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 12:26:48,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:26:48,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 12:26:48,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 12:26:48,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 12:26:48,176 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 12:26:48,176 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 12:26:48,176 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 12:26:48,176 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 12:26:48,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 12:26:48,177 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 12:26:48,177 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> defe568d3ecd4be058b114d2d7ea2aab8a7b360536dba6f49b11be810e3fc79e [2022-07-21 12:26:48,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 12:26:48,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 12:26:48,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 12:26:48,451 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 12:26:48,452 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 12:26:48,453 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i [2022-07-21 12:26:48,514 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6a141798/6ce074076a2448c1bac05cfb99ec92a2/FLAGb4c23de8a [2022-07-21 12:26:49,215 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 12:26:49,216 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i [2022-07-21 12:26:49,260 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6a141798/6ce074076a2448c1bac05cfb99ec92a2/FLAGb4c23de8a [2022-07-21 12:26:49,328 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6a141798/6ce074076a2448c1bac05cfb99ec92a2 [2022-07-21 12:26:49,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 12:26:49,331 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 12:26:49,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 12:26:49,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 12:26:49,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 12:26:49,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:26:49" (1/1) ... [2022-07-21 12:26:49,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40778f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:49, skipping insertion in model container [2022-07-21 12:26:49,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:26:49" (1/1) ... [2022-07-21 12:26:49,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 12:26:49,464 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:26:52,762 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i[443384,443397] [2022-07-21 12:26:53,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:26:53,281 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 12:26:53,342 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:26:53,756 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i[443384,443397] [2022-07-21 12:26:53,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:26:53,791 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 12:26:54,203 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i[443384,443397] [2022-07-21 12:26:54,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:26:54,346 INFO L208 MainTranslator]: Completed translation [2022-07-21 12:26:54,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:54 WrapperNode [2022-07-21 12:26:54,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 12:26:54,348 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 12:26:54,348 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 12:26:54,348 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 12:26:54,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:54" (1/1) ... [2022-07-21 12:26:54,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:54" (1/1) ... [2022-07-21 12:26:54,790 INFO L137 Inliner]: procedures = 486, calls = 5785, calls flagged for inlining = 211, calls inlined = 190, statements flattened = 10429 [2022-07-21 12:26:54,791 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 12:26:54,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 12:26:54,792 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 12:26:54,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 12:26:54,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:54" (1/1) ... [2022-07-21 12:26:54,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:54" (1/1) ... [2022-07-21 12:26:54,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:54" (1/1) ... [2022-07-21 12:26:54,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:54" (1/1) ... [2022-07-21 12:26:55,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:54" (1/1) ... [2022-07-21 12:26:55,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:54" (1/1) ... [2022-07-21 12:26:55,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:54" (1/1) ... [2022-07-21 12:26:55,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 12:26:55,124 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 12:26:55,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 12:26:55,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 12:26:55,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:54" (1/1) ... [2022-07-21 12:26:55,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:26:55,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 12:26:55,169 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) [2022-07-21 12:26:55,196 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 [2022-07-21 12:26:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-21 12:26:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-21 12:26:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-21 12:26:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_do_loop_tuple [2022-07-21 12:26:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_do_loop_tuple [2022-07-21 12:26:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 12:26:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 12:26:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_cis_cache [2022-07-21 12:26:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_cis_cache [2022-07-21 12:26:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_probe [2022-07-21 12:26:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_probe [2022-07-21 12:26:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 12:26:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 12:26:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2022-07-21 12:26:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2022-07-21 12:26:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_load_firmware [2022-07-21 12:26:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_load_firmware [2022-07-21 12:26:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_get_next_tuple [2022-07-21 12:26:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_get_next_tuple [2022-07-21 12:26:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure read_cis_cache [2022-07-21 12:26:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure read_cis_cache [2022-07-21 12:26:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-07-21 12:26:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-07-21 12:26:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure remove_cis_cache [2022-07-21 12:26:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_cis_cache [2022-07-21 12:26:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-21 12:26:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-21 12:26:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 12:26:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-21 12:26:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-21 12:26:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-21 12:26:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 12:26:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 12:26:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_requery_callback [2022-07-21 12:26:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_requery_callback [2022-07-21 12:26:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 12:26:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-21 12:26:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-21 12:26:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 12:26:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 12:26:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_validate_mem [2022-07-21 12:26:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_validate_mem [2022-07-21 12:26:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure release_io_space [2022-07-21 12:26:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure release_io_space [2022-07-21 12:26:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_early_resume [2022-07-21 12:26:55,215 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_early_resume [2022-07-21 12:26:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure follow_link [2022-07-21 12:26:55,215 INFO L138 BoogieDeclarations]: Found implementation of procedure follow_link [2022-07-21 12:26:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-21 12:26:55,215 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-21 12:26:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_read_cis_mem [2022-07-21 12:26:55,215 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_read_cis_mem [2022-07-21 12:26:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_card_add [2022-07-21 12:26:55,216 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_card_add [2022-07-21 12:26:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_query [2022-07-21 12:26:55,216 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_query [2022-07-21 12:26:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure parse_strings [2022-07-21 12:26:55,216 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_strings [2022-07-21 12:26:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 12:26:55,216 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 12:26:55,217 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_resume_callback [2022-07-21 12:26:55,217 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_resume_callback [2022-07-21 12:26:55,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_skt_mutex_of_pcmcia_socket [2022-07-21 12:26:55,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_skt_mutex_of_pcmcia_socket [2022-07-21 12:26:55,217 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_put_socket [2022-07-21 12:26:55,217 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_put_socket [2022-07-21 12:26:55,217 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_enable_device [2022-07-21 12:26:55,218 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_enable_device [2022-07-21 12:26:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_setup_isa_irq [2022-07-21 12:26:55,218 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_setup_isa_irq [2022-07-21 12:26:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-21 12:26:55,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-21 12:26:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-07-21 12:26:55,218 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-07-21 12:26:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-21 12:26:55,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-21 12:26:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_get_first_tuple [2022-07-21 12:26:55,219 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_get_first_tuple [2022-07-21 12:26:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock [2022-07-21 12:26:55,219 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock [2022-07-21 12:26:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 12:26:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-21 12:26:55,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-21 12:26:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_release_dev [2022-07-21 12:26:55,220 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_release_dev [2022-07-21 12:26:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_do_loop_config [2022-07-21 12:26:55,220 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_do_loop_config [2022-07-21 12:26:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 12:26:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_card_remove [2022-07-21 12:26:55,220 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_card_remove [2022-07-21 12:26:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_add_socket [2022-07-21 12:26:55,221 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_add_socket [2022-07-21 12:26:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 12:26:55,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 12:26:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 12:26:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 12:26:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 12:26:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 12:26:55,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 12:26:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 12:26:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2022-07-21 12:26:55,222 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2022-07-21 12:26:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-21 12:26:55,222 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-21 12:26:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_fixup_iowidth [2022-07-21 12:26:55,222 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_fixup_iowidth [2022-07-21 12:26:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_221 [2022-07-21 12:26:55,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_221 [2022-07-21 12:26:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 12:26:55,223 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 12:26:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-21 12:26:55,223 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-21 12:26:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 12:26:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-21 12:26:55,224 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-21 12:26:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure set_cis_map [2022-07-21 12:26:55,224 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cis_map [2022-07-21 12:26:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_remove [2022-07-21 12:26:55,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_remove [2022-07-21 12:26:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 12:26:55,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 12:26:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2022-07-21 12:26:55,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2022-07-21 12:26:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2022-07-21 12:26:55,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2022-07-21 12:26:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 12:26:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-07-21 12:26:55,225 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-07-21 12:26:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 12:26:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_put_dev [2022-07-21 12:26:55,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_put_dev [2022-07-21 12:26:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 12:26:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 12:26:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 12:26:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 12:26:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 12:26:55,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 12:26:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-21 12:26:55,227 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-21 12:26:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_parse_uevents [2022-07-21 12:26:55,227 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_parse_uevents [2022-07-21 12:26:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_devmatch [2022-07-21 12:26:55,227 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_devmatch [2022-07-21 12:26:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 12:26:55,227 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 12:26:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_get_mac_from_cis [2022-07-21 12:26:55,228 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_get_mac_from_cis [2022-07-21 12:26:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 12:26:55,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 12:26:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 12:26:55,228 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 12:26:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 12:26:55,228 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 12:26:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_add [2022-07-21 12:26:55,229 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_add [2022-07-21 12:26:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-21 12:26:55,229 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-21 12:26:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-21 12:26:55,229 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-21 12:26:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_io_space [2022-07-21 12:26:55,229 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_io_space [2022-07-21 12:26:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_get_tuple_data [2022-07-21 12:26:55,230 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_get_tuple_data [2022-07-21 12:26:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 12:26:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_request_irq [2022-07-21 12:26:55,230 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_request_irq [2022-07-21 12:26:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_parse_tuple [2022-07-21 12:26:55,230 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_parse_tuple [2022-07-21 12:26:55,230 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 12:26:55,230 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 12:26:55,231 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-07-21 12:26:55,231 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-07-21 12:26:55,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 12:26:55,231 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-07-21 12:26:55,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-07-21 12:26:55,231 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_disable_device [2022-07-21 12:26:55,231 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_disable_device [2022-07-21 12:26:55,231 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-07-21 12:26:55,232 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-07-21 12:26:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_skt_mutex_of_pcmcia_socket [2022-07-21 12:26:55,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_skt_mutex_of_pcmcia_socket [2022-07-21 12:26:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2022-07-21 12:26:55,232 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2022-07-21 12:26:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 12:26:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 12:26:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 12:26:55,233 INFO L130 BoogieDeclarations]: Found specification of procedure bus_for_each_dev [2022-07-21 12:26:55,233 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_for_each_dev [2022-07-21 12:26:55,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 12:26:55,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 12:26:55,233 INFO L130 BoogieDeclarations]: Found specification of procedure request_resource [2022-07-21 12:26:55,233 INFO L138 BoogieDeclarations]: Found implementation of procedure request_resource [2022-07-21 12:26:55,233 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2022-07-21 12:26:55,233 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2022-07-21 12:26:55,233 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_release_configuration [2022-07-21 12:26:55,234 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_release_configuration [2022-07-21 12:26:55,234 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 12:26:55,234 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 12:26:55,234 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_suspend [2022-07-21 12:26:55,234 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_suspend [2022-07-21 12:26:55,234 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_release_window [2022-07-21 12:26:55,234 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_release_window [2022-07-21 12:26:55,234 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_find_mem_region [2022-07-21 12:26:55,235 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_find_mem_region [2022-07-21 12:26:55,235 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_add [2022-07-21 12:26:55,235 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_add [2022-07-21 12:26:55,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2022-07-21 12:26:55,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2022-07-21 12:26:55,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_pcmcia_dynids [2022-07-21 12:26:55,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_pcmcia_dynids [2022-07-21 12:26:55,235 INFO L130 BoogieDeclarations]: Found specification of procedure runtime_resume [2022-07-21 12:26:55,236 INFO L138 BoogieDeclarations]: Found implementation of procedure runtime_resume [2022-07-21 12:26:55,236 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2022-07-21 12:26:55,236 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2022-07-21 12:26:55,236 INFO L130 BoogieDeclarations]: Found specification of procedure verify_cis_cache [2022-07-21 12:26:55,236 INFO L138 BoogieDeclarations]: Found implementation of procedure verify_cis_cache [2022-07-21 12:26:55,236 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2022-07-21 12:26:55,236 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2022-07-21 12:26:55,236 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 12:26:55,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 12:26:55,237 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_resume [2022-07-21 12:26:55,237 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_resume [2022-07-21 12:26:55,237 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_validate_cis [2022-07-21 12:26:55,237 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_validate_cis [2022-07-21 12:26:55,237 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 12:26:55,237 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 12:26:55,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 12:26:55,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 12:26:55,238 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_loop_tuple [2022-07-21 12:26:55,238 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_loop_tuple [2022-07-21 12:26:55,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 12:26:55,238 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_tuple [2022-07-21 12:26:55,238 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_tuple [2022-07-21 12:26:55,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 12:26:55,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 12:26:55,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 12:26:55,238 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-21 12:26:55,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-21 12:26:55,239 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_requery [2022-07-21 12:26:55,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_requery [2022-07-21 12:26:55,239 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_suspend_callback [2022-07-21 12:26:55,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_suspend_callback [2022-07-21 12:26:55,239 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_match [2022-07-21 12:26:55,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_match [2022-07-21 12:26:55,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-21 12:26:55,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-21 12:26:55,240 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_dev_suspend [2022-07-21 12:26:55,240 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_dev_suspend [2022-07-21 12:26:55,240 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_uevent [2022-07-21 12:26:55,240 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_uevent [2022-07-21 12:26:55,240 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_register_pcmcia [2022-07-21 12:26:55,240 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_register_pcmcia [2022-07-21 12:26:55,240 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_replace_cis [2022-07-21 12:26:55,241 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_replace_cis [2022-07-21 12:26:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_remove [2022-07-21 12:26:55,241 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_remove [2022-07-21 12:26:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_config [2022-07-21 12:26:55,241 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_config [2022-07-21 12:26:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure parse_power [2022-07-21 12:26:55,241 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_power [2022-07-21 12:26:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_get_socket [2022-07-21 12:26:55,242 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_get_socket [2022-07-21 12:26:55,242 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_write_cis_mem [2022-07-21 12:26:55,242 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_write_cis_mem [2022-07-21 12:26:55,242 INFO L130 BoogieDeclarations]: Found specification of procedure runtime_suspend [2022-07-21 12:26:55,242 INFO L138 BoogieDeclarations]: Found implementation of procedure runtime_suspend [2022-07-21 12:26:55,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2022-07-21 12:26:55,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2022-07-21 12:26:55,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_pcmcia_dynids [2022-07-21 12:26:55,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_pcmcia_dynids [2022-07-21 12:26:55,243 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2022-07-21 12:26:55,243 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2022-07-21 12:26:55,243 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-21 12:26:55,243 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-07-21 12:26:55,243 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-07-21 12:26:55,243 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_dev_resume [2022-07-21 12:26:55,243 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_dev_resume [2022-07-21 12:26:55,243 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_read_tuple [2022-07-21 12:26:55,244 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_read_tuple [2022-07-21 12:26:56,169 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 12:26:56,171 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 12:26:56,287 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 12:29:17,654 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 12:29:17,680 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 12:29:17,680 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 12:29:17,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:29:17 BoogieIcfgContainer [2022-07-21 12:29:17,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 12:29:17,687 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 12:29:17,687 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 12:29:17,690 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 12:29:17,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:26:49" (1/3) ... [2022-07-21 12:29:17,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ab5abe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:29:17, skipping insertion in model container [2022-07-21 12:29:17,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:54" (2/3) ... [2022-07-21 12:29:17,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ab5abe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:29:17, skipping insertion in model container [2022-07-21 12:29:17,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:29:17" (3/3) ... [2022-07-21 12:29:17,692 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i [2022-07-21 12:29:17,704 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 12:29:17,704 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 12:29:17,805 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 12:29:17,810 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@4772a968, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6590f5fb [2022-07-21 12:29:17,811 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 12:29:17,823 INFO L276 IsEmpty]: Start isEmpty. Operand has 2925 states, 2090 states have (on average 1.422488038277512) internal successors, (2973), 2148 states have internal predecessors, (2973), 712 states have call successors, (712), 122 states have call predecessors, (712), 121 states have return successors, (693), 691 states have call predecessors, (693), 693 states have call successors, (693) [2022-07-21 12:29:17,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 705 [2022-07-21 12:29:17,865 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:29:17,866 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:29:17,866 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:29:17,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:29:17,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1010162225, now seen corresponding path program 1 times [2022-07-21 12:29:17,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:29:17,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1105167048] [2022-07-21 12:29:17,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:29:17,891 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:29:17,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:29:17,919 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) [2022-07-21 12:29:17,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 12:29:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:23,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 4910 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-21 12:29:23,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:29:23,219 INFO L134 CoverageAnalysis]: Checked inductivity of 10974 backedges. 4371 proven. 0 refuted. 0 times theorem prover too weak. 6603 trivial. 0 not checked. [2022-07-21 12:29:23,220 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:29:23,221 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:29:23,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1105167048] [2022-07-21 12:29:23,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1105167048] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:29:23,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:29:23,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 12:29:23,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634398662] [2022-07-21 12:29:23,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:29:23,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 12:29:23,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:29:23,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 12:29:23,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 12:29:23,275 INFO L87 Difference]: Start difference. First operand has 2925 states, 2090 states have (on average 1.422488038277512) internal successors, (2973), 2148 states have internal predecessors, (2973), 712 states have call successors, (712), 122 states have call predecessors, (712), 121 states have return successors, (693), 691 states have call predecessors, (693), 693 states have call successors, (693) Second operand has 2 states, 2 states have (on average 43.0) internal successors, (86), 2 states have internal predecessors, (86), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-07-21 12:29:23,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:29:23,481 INFO L93 Difference]: Finished difference Result 5845 states and 9083 transitions. [2022-07-21 12:29:23,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 12:29:23,483 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 43.0) internal successors, (86), 2 states have internal predecessors, (86), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 704 [2022-07-21 12:29:23,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:29:23,503 INFO L225 Difference]: With dead ends: 5845 [2022-07-21 12:29:23,504 INFO L226 Difference]: Without dead ends: 2899 [2022-07-21 12:29:23,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 703 GetRequests, 703 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 12:29:23,525 INFO L413 NwaCegarLoop]: 4361 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4361 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 12:29:23,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4361 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 12:29:23,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2899 states. [2022-07-21 12:29:23,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2899 to 2899. [2022-07-21 12:29:23,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2899 states, 2085 states have (on average 1.4129496402877697) internal successors, (2946), 2122 states have internal predecessors, (2946), 693 states have call successors, (693), 121 states have call predecessors, (693), 120 states have return successors, (679), 677 states have call predecessors, (679), 679 states have call successors, (679) [2022-07-21 12:29:23,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2899 states to 2899 states and 4318 transitions. [2022-07-21 12:29:23,656 INFO L78 Accepts]: Start accepts. Automaton has 2899 states and 4318 transitions. Word has length 704 [2022-07-21 12:29:23,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:29:23,656 INFO L495 AbstractCegarLoop]: Abstraction has 2899 states and 4318 transitions. [2022-07-21 12:29:23,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 43.0) internal successors, (86), 2 states have internal predecessors, (86), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-07-21 12:29:23,657 INFO L276 IsEmpty]: Start isEmpty. Operand 2899 states and 4318 transitions. [2022-07-21 12:29:23,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 705 [2022-07-21 12:29:23,684 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:29:23,685 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:29:23,776 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-21 12:29:23,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:29:23,900 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:29:23,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:29:23,900 INFO L85 PathProgramCache]: Analyzing trace with hash 968871455, now seen corresponding path program 1 times [2022-07-21 12:29:23,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:29:23,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [396660758] [2022-07-21 12:29:23,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:29:23,904 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:29:23,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:29:23,905 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) [2022-07-21 12:29:23,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 12:29:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:33,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 4910 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 12:29:33,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:29:34,217 INFO L134 CoverageAnalysis]: Checked inductivity of 10974 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 10947 trivial. 0 not checked. [2022-07-21 12:29:34,217 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:29:34,217 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:29:34,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [396660758] [2022-07-21 12:29:34,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [396660758] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:29:34,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:29:34,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:29:34,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198620775] [2022-07-21 12:29:34,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:29:34,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:29:34,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:29:34,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:29:34,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:29:34,231 INFO L87 Difference]: Start difference. First operand 2899 states and 4318 transitions. Second operand has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 3 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2022-07-21 12:29:35,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:29:35,200 INFO L93 Difference]: Finished difference Result 5720 states and 8531 transitions. [2022-07-21 12:29:35,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 12:29:35,201 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 3 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 704 [2022-07-21 12:29:35,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:29:35,218 INFO L225 Difference]: With dead ends: 5720 [2022-07-21 12:29:35,218 INFO L226 Difference]: Without dead ends: 2902 [2022-07-21 12:29:35,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 705 GetRequests, 699 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-21 12:29:35,232 INFO L413 NwaCegarLoop]: 4303 mSDtfsCounter, 6 mSDsluCounter, 17181 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 21484 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-21 12:29:35,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 21484 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-21 12:29:35,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2902 states. [2022-07-21 12:29:35,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2902 to 2902. [2022-07-21 12:29:35,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2902 states, 2087 states have (on average 1.4130330618112124) internal successors, (2949), 2125 states have internal predecessors, (2949), 693 states have call successors, (693), 121 states have call predecessors, (693), 121 states have return successors, (683), 677 states have call predecessors, (683), 679 states have call successors, (683) [2022-07-21 12:29:35,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2902 states to 2902 states and 4325 transitions. [2022-07-21 12:29:35,308 INFO L78 Accepts]: Start accepts. Automaton has 2902 states and 4325 transitions. Word has length 704 [2022-07-21 12:29:35,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:29:35,310 INFO L495 AbstractCegarLoop]: Abstraction has 2902 states and 4325 transitions. [2022-07-21 12:29:35,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 3 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2022-07-21 12:29:35,310 INFO L276 IsEmpty]: Start isEmpty. Operand 2902 states and 4325 transitions. [2022-07-21 12:29:35,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 709 [2022-07-21 12:29:35,315 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:29:35,315 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:29:35,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 12:29:35,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:29:35,540 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:29:35,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:29:35,540 INFO L85 PathProgramCache]: Analyzing trace with hash 112827215, now seen corresponding path program 1 times [2022-07-21 12:29:35,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:29:35,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1957426278] [2022-07-21 12:29:35,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:29:35,544 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:29:35,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:29:35,546 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) [2022-07-21 12:29:35,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 12:29:45,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:45,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 4954 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-21 12:29:45,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:29:45,563 INFO L134 CoverageAnalysis]: Checked inductivity of 10996 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 10959 trivial. 0 not checked. [2022-07-21 12:29:45,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 12:29:46,955 INFO L134 CoverageAnalysis]: Checked inductivity of 10996 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 10965 trivial. 0 not checked. [2022-07-21 12:29:46,955 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:29:46,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1957426278] [2022-07-21 12:29:46,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1957426278] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 12:29:46,956 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 12:29:46,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-21 12:29:46,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949898040] [2022-07-21 12:29:46,956 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 12:29:46,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 12:29:46,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:29:46,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 12:29:46,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-21 12:29:46,959 INFO L87 Difference]: Start difference. First operand 2902 states and 4325 transitions. Second operand has 11 states, 9 states have (on average 10.777777777777779) internal successors, (97), 11 states have internal predecessors, (97), 4 states have call successors, (56), 2 states have call predecessors, (56), 5 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) [2022-07-21 12:29:48,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:29:48,779 INFO L93 Difference]: Finished difference Result 5731 states and 8551 transitions. [2022-07-21 12:29:48,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 12:29:48,780 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 10.777777777777779) internal successors, (97), 11 states have internal predecessors, (97), 4 states have call successors, (56), 2 states have call predecessors, (56), 5 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) Word has length 708 [2022-07-21 12:29:48,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:29:48,796 INFO L225 Difference]: With dead ends: 5731 [2022-07-21 12:29:48,796 INFO L226 Difference]: Without dead ends: 2910 [2022-07-21 12:29:48,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1418 GetRequests, 1405 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-07-21 12:29:48,809 INFO L413 NwaCegarLoop]: 4305 mSDtfsCounter, 14 mSDsluCounter, 30078 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 34383 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-21 12:29:48,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 34383 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-21 12:29:48,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2910 states. [2022-07-21 12:29:48,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2910 to 2908. [2022-07-21 12:29:48,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2908 states, 2091 states have (on average 1.4127211860353899) internal successors, (2954), 2129 states have internal predecessors, (2954), 694 states have call successors, (694), 122 states have call predecessors, (694), 122 states have return successors, (684), 678 states have call predecessors, (684), 680 states have call successors, (684) [2022-07-21 12:29:48,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2908 states to 2908 states and 4332 transitions. [2022-07-21 12:29:48,886 INFO L78 Accepts]: Start accepts. Automaton has 2908 states and 4332 transitions. Word has length 708 [2022-07-21 12:29:48,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:29:48,887 INFO L495 AbstractCegarLoop]: Abstraction has 2908 states and 4332 transitions. [2022-07-21 12:29:48,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 10.777777777777779) internal successors, (97), 11 states have internal predecessors, (97), 4 states have call successors, (56), 2 states have call predecessors, (56), 5 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) [2022-07-21 12:29:48,888 INFO L276 IsEmpty]: Start isEmpty. Operand 2908 states and 4332 transitions. [2022-07-21 12:29:48,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 713 [2022-07-21 12:29:48,892 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:29:48,892 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 8, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:29:48,978 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-07-21 12:29:49,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:29:49,120 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:29:49,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:29:49,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1439905951, now seen corresponding path program 2 times [2022-07-21 12:29:49,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:29:49,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1850379888] [2022-07-21 12:29:49,123 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 12:29:49,123 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:29:49,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:29:49,125 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) [2022-07-21 12:29:49,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 12:29:53,051 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 12:29:53,052 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 12:29:53,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 2963 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-21 12:29:53,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:29:59,829 INFO L134 CoverageAnalysis]: Checked inductivity of 11034 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11034 trivial. 0 not checked. [2022-07-21 12:29:59,830 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:29:59,830 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:29:59,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1850379888] [2022-07-21 12:29:59,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1850379888] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:29:59,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:29:59,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 12:29:59,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582131096] [2022-07-21 12:29:59,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:29:59,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 12:29:59,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:29:59,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 12:29:59,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 12:29:59,831 INFO L87 Difference]: Start difference. First operand 2908 states and 4332 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2022-07-21 12:29:59,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:29:59,991 INFO L93 Difference]: Finished difference Result 8008 states and 12273 transitions. [2022-07-21 12:29:59,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 12:29:59,992 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) Word has length 712 [2022-07-21 12:29:59,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:30:00,124 INFO L225 Difference]: With dead ends: 8008 [2022-07-21 12:30:00,125 INFO L226 Difference]: Without dead ends: 5196 [2022-07-21 12:30:00,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 711 GetRequests, 710 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 12:30:00,140 INFO L413 NwaCegarLoop]: 5253 mSDtfsCounter, 4226 mSDsluCounter, 3400 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4226 SdHoareTripleChecker+Valid, 8653 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 12:30:00,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4226 Valid, 8653 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 12:30:00,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5196 states. [2022-07-21 12:30:00,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5196 to 5185. [2022-07-21 12:30:00,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5185 states, 3723 states have (on average 1.4114961052914317) internal successors, (5255), 3784 states have internal predecessors, (5255), 1228 states have call successors, (1228), 236 states have call predecessors, (1228), 233 states have return successors, (1328), 1206 states have call predecessors, (1328), 1213 states have call successors, (1328) [2022-07-21 12:30:00,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5185 states to 5185 states and 7811 transitions. [2022-07-21 12:30:00,321 INFO L78 Accepts]: Start accepts. Automaton has 5185 states and 7811 transitions. Word has length 712 [2022-07-21 12:30:00,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:30:00,323 INFO L495 AbstractCegarLoop]: Abstraction has 5185 states and 7811 transitions. [2022-07-21 12:30:00,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2022-07-21 12:30:00,324 INFO L276 IsEmpty]: Start isEmpty. Operand 5185 states and 7811 transitions. [2022-07-21 12:30:00,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 714 [2022-07-21 12:30:00,329 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:30:00,329 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 8, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:30:00,394 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-21 12:30:00,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:30:00,549 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:30:00,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:30:00,549 INFO L85 PathProgramCache]: Analyzing trace with hash 240199978, now seen corresponding path program 1 times [2022-07-21 12:30:00,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:30:00,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1138932503] [2022-07-21 12:30:00,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:30:00,552 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:30:00,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:30:00,553 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) [2022-07-21 12:30:00,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 12:30:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:30:10,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 4982 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 12:30:10,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:30:11,080 INFO L134 CoverageAnalysis]: Checked inductivity of 11034 backedges. 51 proven. 3 refuted. 0 times theorem prover too weak. 10980 trivial. 0 not checked. [2022-07-21 12:30:11,080 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 12:30:12,735 INFO L134 CoverageAnalysis]: Checked inductivity of 11034 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 10986 trivial. 0 not checked. [2022-07-21 12:30:12,735 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:30:12,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1138932503] [2022-07-21 12:30:12,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1138932503] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 12:30:12,736 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 12:30:12,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-21 12:30:12,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515824752] [2022-07-21 12:30:12,736 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 12:30:12,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-21 12:30:12,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:30:12,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-21 12:30:12,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-21 12:30:12,738 INFO L87 Difference]: Start difference. First operand 5185 states and 7811 transitions. Second operand has 13 states, 11 states have (on average 9.0) internal successors, (99), 13 states have internal predecessors, (99), 4 states have call successors, (57), 2 states have call predecessors, (57), 5 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) [2022-07-21 12:30:14,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:30:14,532 INFO L93 Difference]: Finished difference Result 10306 states and 15546 transitions. [2022-07-21 12:30:14,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-21 12:30:14,533 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 9.0) internal successors, (99), 13 states have internal predecessors, (99), 4 states have call successors, (57), 2 states have call predecessors, (57), 5 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) Word has length 713 [2022-07-21 12:30:14,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:30:14,566 INFO L225 Difference]: With dead ends: 10306 [2022-07-21 12:30:14,566 INFO L226 Difference]: Without dead ends: 5199 [2022-07-21 12:30:14,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1429 GetRequests, 1413 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2022-07-21 12:30:14,592 INFO L413 NwaCegarLoop]: 4304 mSDtfsCounter, 30 mSDsluCounter, 17183 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 21487 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 12:30:14,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 21487 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 12:30:14,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5199 states. [2022-07-21 12:30:14,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5199 to 5186. [2022-07-21 12:30:14,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5186 states, 3724 states have (on average 1.4116541353383458) internal successors, (5257), 3785 states have internal predecessors, (5257), 1228 states have call successors, (1228), 236 states have call predecessors, (1228), 233 states have return successors, (1328), 1206 states have call predecessors, (1328), 1213 states have call successors, (1328) [2022-07-21 12:30:14,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5186 states to 5186 states and 7813 transitions. [2022-07-21 12:30:14,788 INFO L78 Accepts]: Start accepts. Automaton has 5186 states and 7813 transitions. Word has length 713 [2022-07-21 12:30:14,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:30:14,789 INFO L495 AbstractCegarLoop]: Abstraction has 5186 states and 7813 transitions. [2022-07-21 12:30:14,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 9.0) internal successors, (99), 13 states have internal predecessors, (99), 4 states have call successors, (57), 2 states have call predecessors, (57), 5 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) [2022-07-21 12:30:14,789 INFO L276 IsEmpty]: Start isEmpty. Operand 5186 states and 7813 transitions. [2022-07-21 12:30:14,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 718 [2022-07-21 12:30:14,793 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:30:14,794 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 12, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:30:14,886 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 12:30:15,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:30:15,008 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:30:15,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:30:15,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1248536582, now seen corresponding path program 2 times [2022-07-21 12:30:15,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:30:15,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1214125262] [2022-07-21 12:30:15,011 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 12:30:15,011 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:30:15,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:30:15,024 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) [2022-07-21 12:30:15,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 12:30:19,163 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 12:30:19,163 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 12:30:19,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 2947 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-21 12:30:19,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:30:25,827 INFO L134 CoverageAnalysis]: Checked inductivity of 11088 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11088 trivial. 0 not checked. [2022-07-21 12:30:25,827 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:30:25,828 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:30:25,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1214125262] [2022-07-21 12:30:25,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1214125262] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:30:25,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:30:25,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 12:30:25,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219067828] [2022-07-21 12:30:25,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:30:25,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 12:30:25,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:30:25,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 12:30:25,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 12:30:25,829 INFO L87 Difference]: Start difference. First operand 5186 states and 7813 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2022-07-21 12:30:26,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:30:26,067 INFO L93 Difference]: Finished difference Result 14814 states and 23347 transitions. [2022-07-21 12:30:26,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 12:30:26,068 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) Word has length 717 [2022-07-21 12:30:26,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:30:26,140 INFO L225 Difference]: With dead ends: 14814 [2022-07-21 12:30:26,140 INFO L226 Difference]: Without dead ends: 9724 [2022-07-21 12:30:26,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 716 GetRequests, 715 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 12:30:26,173 INFO L413 NwaCegarLoop]: 4987 mSDtfsCounter, 4237 mSDsluCounter, 3416 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4237 SdHoareTripleChecker+Valid, 8403 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 12:30:26,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4237 Valid, 8403 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 12:30:26,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9724 states. [2022-07-21 12:30:26,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9724 to 9697. [2022-07-21 12:30:26,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9697 states, 6963 states have (on average 1.4121786586241563) internal successors, (9833), 7070 states have internal predecessors, (9833), 2287 states have call successors, (2287), 460 states have call predecessors, (2287), 446 states have return successors, (2821), 2248 states have call predecessors, (2821), 2270 states have call successors, (2821) [2022-07-21 12:30:26,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9697 states to 9697 states and 14941 transitions. [2022-07-21 12:30:26,499 INFO L78 Accepts]: Start accepts. Automaton has 9697 states and 14941 transitions. Word has length 717 [2022-07-21 12:30:26,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:30:26,500 INFO L495 AbstractCegarLoop]: Abstraction has 9697 states and 14941 transitions. [2022-07-21 12:30:26,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2022-07-21 12:30:26,500 INFO L276 IsEmpty]: Start isEmpty. Operand 9697 states and 14941 transitions. [2022-07-21 12:30:26,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 718 [2022-07-21 12:30:26,505 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:30:26,505 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 12, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:30:26,565 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 12:30:26,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:30:26,732 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:30:26,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:30:26,732 INFO L85 PathProgramCache]: Analyzing trace with hash -249431367, now seen corresponding path program 1 times [2022-07-21 12:30:26,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:30:26,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1159611896] [2022-07-21 12:30:26,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:30:26,735 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:30:26,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:30:26,749 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 12:30:26,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 12:30:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:30:37,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 5025 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-21 12:30:37,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:30:37,489 INFO L134 CoverageAnalysis]: Checked inductivity of 11088 backedges. 72 proven. 6 refuted. 0 times theorem prover too weak. 11010 trivial. 0 not checked. [2022-07-21 12:30:37,490 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 12:30:39,400 INFO L134 CoverageAnalysis]: Checked inductivity of 11088 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 11016 trivial. 0 not checked. [2022-07-21 12:30:39,400 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:30:39,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1159611896] [2022-07-21 12:30:39,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1159611896] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 12:30:39,400 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 12:30:39,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-21 12:30:39,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102849629] [2022-07-21 12:30:39,400 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 12:30:39,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-21 12:30:39,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:30:39,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-21 12:30:39,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-21 12:30:39,402 INFO L87 Difference]: Start difference. First operand 9697 states and 14941 transitions. Second operand has 15 states, 13 states have (on average 7.846153846153846) internal successors, (102), 15 states have internal predecessors, (102), 4 states have call successors, (56), 2 states have call predecessors, (56), 5 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) [2022-07-21 12:30:42,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:30:42,532 INFO L93 Difference]: Finished difference Result 19359 states and 29874 transitions. [2022-07-21 12:30:42,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-21 12:30:42,533 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 7.846153846153846) internal successors, (102), 15 states have internal predecessors, (102), 4 states have call successors, (56), 2 states have call predecessors, (56), 5 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) Word has length 717 [2022-07-21 12:30:42,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:30:42,572 INFO L225 Difference]: With dead ends: 19359 [2022-07-21 12:30:42,572 INFO L226 Difference]: Without dead ends: 9740 [2022-07-21 12:30:42,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1438 GetRequests, 1419 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2022-07-21 12:30:42,596 INFO L413 NwaCegarLoop]: 4303 mSDtfsCounter, 25 mSDsluCounter, 34347 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 38650 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-21 12:30:42,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 38650 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-21 12:30:42,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9740 states. [2022-07-21 12:30:42,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9740 to 9698. [2022-07-21 12:30:42,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9698 states, 6964 states have (on average 1.412263067202757) internal successors, (9835), 7071 states have internal predecessors, (9835), 2287 states have call successors, (2287), 460 states have call predecessors, (2287), 446 states have return successors, (2821), 2248 states have call predecessors, (2821), 2270 states have call successors, (2821) [2022-07-21 12:30:42,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9698 states to 9698 states and 14943 transitions. [2022-07-21 12:30:42,876 INFO L78 Accepts]: Start accepts. Automaton has 9698 states and 14943 transitions. Word has length 717 [2022-07-21 12:30:42,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:30:42,878 INFO L495 AbstractCegarLoop]: Abstraction has 9698 states and 14943 transitions. [2022-07-21 12:30:42,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 7.846153846153846) internal successors, (102), 15 states have internal predecessors, (102), 4 states have call successors, (56), 2 states have call predecessors, (56), 5 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) [2022-07-21 12:30:42,878 INFO L276 IsEmpty]: Start isEmpty. Operand 9698 states and 14943 transitions. [2022-07-21 12:30:42,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 722 [2022-07-21 12:30:42,882 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:30:42,882 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 16, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:30:42,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-21 12:30:43,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:30:43,104 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:30:43,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:30:43,104 INFO L85 PathProgramCache]: Analyzing trace with hash 516108649, now seen corresponding path program 2 times [2022-07-21 12:30:43,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:30:43,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [598925659] [2022-07-21 12:30:43,107 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 12:30:43,107 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:30:43,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:30:43,108 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 12:30:43,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-21 12:30:47,125 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 12:30:47,125 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 12:30:47,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 2946 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-21 12:30:47,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:30:53,720 INFO L134 CoverageAnalysis]: Checked inductivity of 11158 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11158 trivial. 0 not checked. [2022-07-21 12:30:53,721 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:30:53,721 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 12:30:53,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [598925659] [2022-07-21 12:30:53,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [598925659] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:30:53,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:30:53,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 12:30:53,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905538885] [2022-07-21 12:30:53,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:30:53,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 12:30:53,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 12:30:53,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 12:30:53,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 12:30:53,722 INFO L87 Difference]: Start difference. First operand 9698 states and 14943 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 2 states have internal predecessors, (78), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2022-07-21 12:30:54,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:30:54,058 INFO L93 Difference]: Finished difference Result 24233 states and 38937 transitions. [2022-07-21 12:30:54,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 12:30:54,059 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 2 states have internal predecessors, (78), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) Word has length 721 [2022-07-21 12:30:54,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:30:54,125 INFO L225 Difference]: With dead ends: 24233 [2022-07-21 12:30:54,125 INFO L226 Difference]: Without dead ends: 14631 [2022-07-21 12:30:54,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 720 GetRequests, 719 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 12:30:54,200 INFO L413 NwaCegarLoop]: 5328 mSDtfsCounter, 3632 mSDsluCounter, 2932 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3632 SdHoareTripleChecker+Valid, 8260 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 12:30:54,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3632 Valid, 8260 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 12:30:54,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14631 states. [2022-07-21 12:30:54,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14631 to 14529. [2022-07-21 12:30:54,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14529 states, 10709 states have (on average 1.430198898123074) internal successors, (15316), 10944 states have internal predecessors, (15316), 3090 states have call successors, (3090), 791 states have call predecessors, (3090), 729 states have return successors, (3933), 2902 states have call predecessors, (3933), 3064 states have call successors, (3933) [2022-07-21 12:30:54,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14529 states to 14529 states and 22339 transitions. [2022-07-21 12:30:54,695 INFO L78 Accepts]: Start accepts. Automaton has 14529 states and 22339 transitions. Word has length 721 [2022-07-21 12:30:54,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:30:54,696 INFO L495 AbstractCegarLoop]: Abstraction has 14529 states and 22339 transitions. [2022-07-21 12:30:54,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 2 states have internal predecessors, (78), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2022-07-21 12:30:54,696 INFO L276 IsEmpty]: Start isEmpty. Operand 14529 states and 22339 transitions. [2022-07-21 12:30:54,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 724 [2022-07-21 12:30:54,700 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:30:54,701 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 16, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:30:54,770 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-21 12:30:54,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 12:30:54,916 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:30:54,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:30:54,916 INFO L85 PathProgramCache]: Analyzing trace with hash -2138563789, now seen corresponding path program 1 times [2022-07-21 12:30:54,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 12:30:54,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [302490707] [2022-07-21 12:30:54,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:30:54,920 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 12:30:54,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 12:30:54,921 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 12:30:54,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-21 12:31:04,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:31:04,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 5026 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-21 12:31:04,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:31:04,742 INFO L134 CoverageAnalysis]: Checked inductivity of 11158 backedges. 99 proven. 10 refuted. 0 times theorem prover too weak. 11049 trivial. 0 not checked. [2022-07-21 12:31:04,742 INFO L328 TraceCheckSpWp]: Computing backward predicates...