./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 f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-?-f4b24e3 [2022-07-14 01:33:40,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 01:33:40,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 01:33:40,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 01:33:40,214 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 01:33:40,215 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 01:33:40,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 01:33:40,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 01:33:40,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 01:33:40,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 01:33:40,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 01:33:40,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 01:33:40,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 01:33:40,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 01:33:40,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 01:33:40,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 01:33:40,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 01:33:40,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 01:33:40,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 01:33:40,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 01:33:40,241 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 01:33:40,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 01:33:40,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 01:33:40,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 01:33:40,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 01:33:40,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 01:33:40,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 01:33:40,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 01:33:40,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 01:33:40,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 01:33:40,256 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 01:33:40,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 01:33:40,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 01:33:40,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 01:33:40,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 01:33:40,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 01:33:40,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 01:33:40,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 01:33:40,261 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 01:33:40,261 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 01:33:40,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 01:33:40,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 01:33:40,265 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 01:33:40,287 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 01:33:40,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 01:33:40,288 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 01:33:40,288 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 01:33:40,288 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 01:33:40,288 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 01:33:40,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 01:33:40,289 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 01:33:40,289 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 01:33:40,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 01:33:40,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 01:33:40,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 01:33:40,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 01:33:40,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 01:33:40,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 01:33:40,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 01:33:40,291 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 01:33:40,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 01:33:40,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 01:33:40,292 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 01:33:40,292 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 01:33:40,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 01:33:40,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 01:33:40,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 01:33:40,292 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 01:33:40,293 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 01:33:40,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 01:33:40,293 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 01:33:40,293 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 01:33:40,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 01:33:40,294 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> defe568d3ecd4be058b114d2d7ea2aab8a7b360536dba6f49b11be810e3fc79e [2022-07-14 01:33:40,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 01:33:40,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 01:33:40,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 01:33:40,536 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 01:33:40,537 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 01:33:40,538 INFO L432 ainManager$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 [2022-07-14 01:33:40,590 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8450661e1/2445820f73b848a291387404a46bdb7c/FLAG1627c9ef1 [2022-07-14 01:33:41,256 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 01:33:41,257 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 [2022-07-14 01:33:41,313 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8450661e1/2445820f73b848a291387404a46bdb7c/FLAG1627c9ef1 [2022-07-14 01:33:41,616 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8450661e1/2445820f73b848a291387404a46bdb7c [2022-07-14 01:33:41,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 01:33:41,619 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 01:33:41,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 01:33:41,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 01:33:41,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 01:33:41,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:33:41" (1/1) ... [2022-07-14 01:33:41,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c74afe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:33:41, skipping insertion in model container [2022-07-14 01:33:41,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:33:41" (1/1) ... [2022-07-14 01:33:41,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 01:33:41,755 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 01:33:44,461 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] [2022-07-14 01:33:44,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:33:44,772 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 01:33:45,101 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) [2022-07-14 01:33:45,110 INFO L158 Benchmark]: Toolchain (without parser) took 3489.07ms. Allocated memory was 121.6MB in the beginning and 358.6MB in the end (delta: 237.0MB). Free memory was 76.2MB in the beginning and 255.1MB in the end (delta: -179.0MB). Peak memory consumption was 102.4MB. Max. memory is 16.1GB. [2022-07-14 01:33:45,111 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory is still 76.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 01:33:45,113 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3487.61ms. Allocated memory was 121.6MB in the beginning and 358.6MB in the end (delta: 237.0MB). Free memory was 75.8MB in the beginning and 255.1MB in the end (delta: -179.3MB). Peak memory consumption was 102.4MB. Max. memory is 16.1GB. [2022-07-14 01:33:45,113 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory is still 76.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3487.61ms. Allocated memory was 121.6MB in the beginning and 358.6MB in the end (delta: 237.0MB). Free memory was 75.8MB in the beginning and 255.1MB in the end (delta: -179.3MB). Peak memory consumption was 102.4MB. 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-?-f4b24e3 [2022-07-14 01:33:46,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 01:33:46,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 01:33:46,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 01:33:46,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 01:33:46,684 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 01:33:46,687 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 01:33:46,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 01:33:46,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 01:33:46,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 01:33:46,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 01:33:46,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 01:33:46,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 01:33:46,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 01:33:46,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 01:33:46,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 01:33:46,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 01:33:46,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 01:33:46,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 01:33:46,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 01:33:46,712 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 01:33:46,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 01:33:46,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 01:33:46,715 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 01:33:46,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 01:33:46,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 01:33:46,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 01:33:46,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 01:33:46,730 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 01:33:46,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 01:33:46,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 01:33:46,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 01:33:46,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 01:33:46,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 01:33:46,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 01:33:46,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 01:33:46,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 01:33:46,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 01:33:46,736 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 01:33:46,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 01:33:46,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 01:33:46,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 01:33:46,742 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 01:33:46,768 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 01:33:46,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 01:33:46,769 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 01:33:46,769 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 01:33:46,770 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 01:33:46,770 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 01:33:46,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 01:33:46,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 01:33:46,771 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 01:33:46,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 01:33:46,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 01:33:46,772 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 01:33:46,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 01:33:46,772 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 01:33:46,772 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 01:33:46,773 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 01:33:46,773 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 01:33:46,773 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 01:33:46,773 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 01:33:46,773 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 01:33:46,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 01:33:46,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 01:33:46,774 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 01:33:46,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 01:33:46,774 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 01:33:46,774 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 01:33:46,774 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 01:33:46,774 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 01:33:46,775 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 01:33:46,775 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 01:33:46,775 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 01:33:46,775 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 01:33:46,775 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 01:33:46,775 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> defe568d3ecd4be058b114d2d7ea2aab8a7b360536dba6f49b11be810e3fc79e [2022-07-14 01:33:47,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 01:33:47,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 01:33:47,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 01:33:47,065 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 01:33:47,066 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 01:33:47,067 INFO L432 ainManager$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 [2022-07-14 01:33:47,127 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4059337aa/208ffd7d7c154ebc938324612f9e95f0/FLAG1b83ad956 [2022-07-14 01:33:47,834 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 01:33:47,835 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 [2022-07-14 01:33:47,926 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4059337aa/208ffd7d7c154ebc938324612f9e95f0/FLAG1b83ad956 [2022-07-14 01:33:48,397 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4059337aa/208ffd7d7c154ebc938324612f9e95f0 [2022-07-14 01:33:48,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 01:33:48,401 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 01:33:48,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 01:33:48,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 01:33:48,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 01:33:48,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:33:48" (1/1) ... [2022-07-14 01:33:48,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@448a6af4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:33:48, skipping insertion in model container [2022-07-14 01:33:48,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:33:48" (1/1) ... [2022-07-14 01:33:48,412 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 01:33:48,534 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 01:33:51,587 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] [2022-07-14 01:33:51,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:33:51,943 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 01:33:51,995 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 01:33:52,336 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] [2022-07-14 01:33:52,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:33:52,371 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 01:33:52,728 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] [2022-07-14 01:33:52,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:33:52,870 INFO L208 MainTranslator]: Completed translation [2022-07-14 01:33:52,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:33:52 WrapperNode [2022-07-14 01:33:52,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 01:33:52,872 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 01:33:52,872 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 01:33:52,872 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 01:33:52,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:33:52" (1/1) ... [2022-07-14 01:33:53,049 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:33:52" (1/1) ... [2022-07-14 01:33:53,237 INFO L137 Inliner]: procedures = 486, calls = 5785, calls flagged for inlining = 211, calls inlined = 190, statements flattened = 10429 [2022-07-14 01:33:53,238 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 01:33:53,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 01:33:53,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 01:33:53,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 01:33:53,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:33:52" (1/1) ... [2022-07-14 01:33:53,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:33:52" (1/1) ... [2022-07-14 01:33:53,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:33:52" (1/1) ... [2022-07-14 01:33:53,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:33:52" (1/1) ... [2022-07-14 01:33:53,464 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:33:52" (1/1) ... [2022-07-14 01:33:53,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:33:52" (1/1) ... [2022-07-14 01:33:53,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:33:52" (1/1) ... [2022-07-14 01:33:53,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 01:33:53,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 01:33:53,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 01:33:53,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 01:33:53,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:33:52" (1/1) ... [2022-07-14 01:33:53,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 01:33:53,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 01:33:53,662 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 01:33:53,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 01:33:53,714 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-14 01:33:53,714 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-14 01:33:53,714 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-14 01:33:53,715 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_do_loop_tuple [2022-07-14 01:33:53,715 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_do_loop_tuple [2022-07-14 01:33:53,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 01:33:53,715 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 01:33:53,715 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_cis_cache [2022-07-14 01:33:53,715 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_cis_cache [2022-07-14 01:33:53,715 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_probe [2022-07-14 01:33:53,716 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_probe [2022-07-14 01:33:53,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 01:33:53,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 01:33:53,716 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2022-07-14 01:33:53,716 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2022-07-14 01:33:53,716 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_load_firmware [2022-07-14 01:33:53,716 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_load_firmware [2022-07-14 01:33:53,716 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_get_next_tuple [2022-07-14 01:33:53,717 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_get_next_tuple [2022-07-14 01:33:53,717 INFO L130 BoogieDeclarations]: Found specification of procedure read_cis_cache [2022-07-14 01:33:53,717 INFO L138 BoogieDeclarations]: Found implementation of procedure read_cis_cache [2022-07-14 01:33:53,717 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-07-14 01:33:53,717 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-07-14 01:33:53,717 INFO L130 BoogieDeclarations]: Found specification of procedure remove_cis_cache [2022-07-14 01:33:53,717 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_cis_cache [2022-07-14 01:33:53,717 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-14 01:33:53,718 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-14 01:33:53,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 01:33:53,718 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-14 01:33:53,718 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-14 01:33:53,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-14 01:33:53,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 01:33:53,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 01:33:53,719 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_requery_callback [2022-07-14 01:33:53,719 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_requery_callback [2022-07-14 01:33:53,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 01:33:53,719 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-14 01:33:53,719 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-14 01:33:53,719 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 01:33:53,720 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 01:33:53,720 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_validate_mem [2022-07-14 01:33:53,720 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_validate_mem [2022-07-14 01:33:53,720 INFO L130 BoogieDeclarations]: Found specification of procedure release_io_space [2022-07-14 01:33:53,720 INFO L138 BoogieDeclarations]: Found implementation of procedure release_io_space [2022-07-14 01:33:53,720 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_early_resume [2022-07-14 01:33:53,721 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_early_resume [2022-07-14 01:33:53,721 INFO L130 BoogieDeclarations]: Found specification of procedure follow_link [2022-07-14 01:33:53,721 INFO L138 BoogieDeclarations]: Found implementation of procedure follow_link [2022-07-14 01:33:53,721 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-14 01:33:53,722 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-14 01:33:53,722 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_read_cis_mem [2022-07-14 01:33:53,722 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_read_cis_mem [2022-07-14 01:33:53,723 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_card_add [2022-07-14 01:33:53,723 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_card_add [2022-07-14 01:33:53,723 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_query [2022-07-14 01:33:53,723 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_query [2022-07-14 01:33:53,723 INFO L130 BoogieDeclarations]: Found specification of procedure parse_strings [2022-07-14 01:33:53,724 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_strings [2022-07-14 01:33:53,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 01:33:53,724 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 01:33:53,724 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_resume_callback [2022-07-14 01:33:53,724 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_resume_callback [2022-07-14 01:33:53,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_skt_mutex_of_pcmcia_socket [2022-07-14 01:33:53,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_skt_mutex_of_pcmcia_socket [2022-07-14 01:33:53,725 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_put_socket [2022-07-14 01:33:53,725 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_put_socket [2022-07-14 01:33:53,725 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_enable_device [2022-07-14 01:33:53,725 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_enable_device [2022-07-14 01:33:53,725 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_setup_isa_irq [2022-07-14 01:33:53,726 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_setup_isa_irq [2022-07-14 01:33:53,726 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-14 01:33:53,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-14 01:33:53,726 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-07-14 01:33:53,726 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-07-14 01:33:53,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-14 01:33:53,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-14 01:33:53,726 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_get_first_tuple [2022-07-14 01:33:53,727 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_get_first_tuple [2022-07-14 01:33:53,727 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock [2022-07-14 01:33:53,727 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock [2022-07-14 01:33:53,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 01:33:53,727 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-14 01:33:53,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-14 01:33:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_release_dev [2022-07-14 01:33:53,840 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_release_dev [2022-07-14 01:33:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_do_loop_config [2022-07-14 01:33:53,840 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_do_loop_config [2022-07-14 01:33:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 01:33:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_card_remove [2022-07-14 01:33:53,840 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_card_remove [2022-07-14 01:33:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_add_socket [2022-07-14 01:33:53,840 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_add_socket [2022-07-14 01:33:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 01:33:53,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 01:33:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 01:33:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 01:33:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 01:33:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 01:33:53,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 01:33:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 01:33:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2022-07-14 01:33:53,841 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2022-07-14 01:33:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-14 01:33:53,841 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-14 01:33:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_fixup_iowidth [2022-07-14 01:33:53,841 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_fixup_iowidth [2022-07-14 01:33:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_221 [2022-07-14 01:33:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_221 [2022-07-14 01:33:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 01:33:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 01:33:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-14 01:33:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-14 01:33:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 01:33:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-14 01:33:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-14 01:33:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure set_cis_map [2022-07-14 01:33:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cis_map [2022-07-14 01:33:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_remove [2022-07-14 01:33:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_remove [2022-07-14 01:33:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 01:33:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 01:33:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2022-07-14 01:33:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2022-07-14 01:33:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2022-07-14 01:33:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2022-07-14 01:33:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 01:33:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-07-14 01:33:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-07-14 01:33:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 01:33:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_put_dev [2022-07-14 01:33:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_put_dev [2022-07-14 01:33:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 01:33:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 01:33:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 01:33:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 01:33:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 01:33:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 01:33:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-14 01:33:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-14 01:33:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_parse_uevents [2022-07-14 01:33:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_parse_uevents [2022-07-14 01:33:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_devmatch [2022-07-14 01:33:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_devmatch [2022-07-14 01:33:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 01:33:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 01:33:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_get_mac_from_cis [2022-07-14 01:33:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_get_mac_from_cis [2022-07-14 01:33:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 01:33:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 01:33:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 01:33:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 01:33:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 01:33:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 01:33:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_add [2022-07-14 01:33:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_add [2022-07-14 01:33:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-14 01:33:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-14 01:33:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-14 01:33:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-14 01:33:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_io_space [2022-07-14 01:33:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_io_space [2022-07-14 01:33:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_get_tuple_data [2022-07-14 01:33:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_get_tuple_data [2022-07-14 01:33:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 01:33:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_request_irq [2022-07-14 01:33:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_request_irq [2022-07-14 01:33:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_parse_tuple [2022-07-14 01:33:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_parse_tuple [2022-07-14 01:33:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 01:33:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 01:33:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-07-14 01:33:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-07-14 01:33:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 01:33:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-07-14 01:33:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-07-14 01:33:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_disable_device [2022-07-14 01:33:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_disable_device [2022-07-14 01:33:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-07-14 01:33:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-07-14 01:33:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_skt_mutex_of_pcmcia_socket [2022-07-14 01:33:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_skt_mutex_of_pcmcia_socket [2022-07-14 01:33:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2022-07-14 01:33:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2022-07-14 01:33:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 01:33:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 01:33:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 01:33:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure bus_for_each_dev [2022-07-14 01:33:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_for_each_dev [2022-07-14 01:33:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 01:33:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 01:33:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure request_resource [2022-07-14 01:33:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure request_resource [2022-07-14 01:33:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2022-07-14 01:33:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2022-07-14 01:33:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_release_configuration [2022-07-14 01:33:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_release_configuration [2022-07-14 01:33:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-14 01:33:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-14 01:33:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_suspend [2022-07-14 01:33:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_suspend [2022-07-14 01:33:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_release_window [2022-07-14 01:33:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_release_window [2022-07-14 01:33:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_find_mem_region [2022-07-14 01:33:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_find_mem_region [2022-07-14 01:33:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_add [2022-07-14 01:33:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_add [2022-07-14 01:33:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2022-07-14 01:33:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2022-07-14 01:33:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_pcmcia_dynids [2022-07-14 01:33:53,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_pcmcia_dynids [2022-07-14 01:33:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure runtime_resume [2022-07-14 01:33:53,847 INFO L138 BoogieDeclarations]: Found implementation of procedure runtime_resume [2022-07-14 01:33:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2022-07-14 01:33:53,847 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2022-07-14 01:33:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure verify_cis_cache [2022-07-14 01:33:53,847 INFO L138 BoogieDeclarations]: Found implementation of procedure verify_cis_cache [2022-07-14 01:33:53,860 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2022-07-14 01:33:53,861 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2022-07-14 01:33:53,861 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 01:33:53,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 01:33:53,861 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_resume [2022-07-14 01:33:53,861 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_resume [2022-07-14 01:33:53,861 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_validate_cis [2022-07-14 01:33:53,861 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_validate_cis [2022-07-14 01:33:53,862 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 01:33:53,862 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 01:33:53,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 01:33:53,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 01:33:53,862 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_loop_tuple [2022-07-14 01:33:53,862 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_loop_tuple [2022-07-14 01:33:53,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 01:33:53,862 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_tuple [2022-07-14 01:33:53,862 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_tuple [2022-07-14 01:33:53,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 01:33:53,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 01:33:53,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 01:33:53,863 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-14 01:33:53,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-14 01:33:53,863 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_requery [2022-07-14 01:33:53,864 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_requery [2022-07-14 01:33:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_suspend_callback [2022-07-14 01:33:53,865 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_suspend_callback [2022-07-14 01:33:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_match [2022-07-14 01:33:53,866 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_match [2022-07-14 01:33:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-14 01:33:53,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-14 01:33:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_dev_suspend [2022-07-14 01:33:53,867 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_dev_suspend [2022-07-14 01:33:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_uevent [2022-07-14 01:33:53,870 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_uevent [2022-07-14 01:33:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_register_pcmcia [2022-07-14 01:33:53,871 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_register_pcmcia [2022-07-14 01:33:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_replace_cis [2022-07-14 01:33:53,871 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_replace_cis [2022-07-14 01:33:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_remove [2022-07-14 01:33:53,871 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_remove [2022-07-14 01:33:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_config [2022-07-14 01:33:53,871 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_config [2022-07-14 01:33:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure parse_power [2022-07-14 01:33:53,871 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_power [2022-07-14 01:33:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_get_socket [2022-07-14 01:33:53,872 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_get_socket [2022-07-14 01:33:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_write_cis_mem [2022-07-14 01:33:53,872 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_write_cis_mem [2022-07-14 01:33:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure runtime_suspend [2022-07-14 01:33:53,872 INFO L138 BoogieDeclarations]: Found implementation of procedure runtime_suspend [2022-07-14 01:33:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2022-07-14 01:33:53,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2022-07-14 01:33:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_pcmcia_dynids [2022-07-14 01:33:53,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_pcmcia_dynids [2022-07-14 01:33:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2022-07-14 01:33:53,873 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2022-07-14 01:33:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-14 01:33:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-07-14 01:33:53,873 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-07-14 01:33:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_dev_resume [2022-07-14 01:33:53,873 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_dev_resume [2022-07-14 01:33:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_read_tuple [2022-07-14 01:33:53,873 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_read_tuple [2022-07-14 01:33:54,793 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 01:33:54,797 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 01:33:54,931 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 01:36:20,097 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 01:36:20,124 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 01:36:20,124 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 01:36:20,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:36:20 BoogieIcfgContainer [2022-07-14 01:36:20,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 01:36:20,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 01:36:20,132 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 01:36:20,134 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 01:36:20,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 01:33:48" (1/3) ... [2022-07-14 01:36:20,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a4664c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:36:20, skipping insertion in model container [2022-07-14 01:36:20,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:33:52" (2/3) ... [2022-07-14 01:36:20,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a4664c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:36:20, skipping insertion in model container [2022-07-14 01:36:20,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:36:20" (3/3) ... [2022-07-14 01:36:20,137 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i [2022-07-14 01:36:20,152 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 01:36:20,152 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 01:36:20,252 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 01:36:20,258 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@2923c9a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@44fb856f [2022-07-14 01:36:20,258 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 01:36:20,269 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) [2022-07-14 01:36:20,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 705 [2022-07-14 01:36:20,292 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:36:20,293 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] [2022-07-14 01:36:20,294 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:36:20,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:36:20,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1010162225, now seen corresponding path program 1 times [2022-07-14 01:36:20,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:36:20,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [501387478] [2022-07-14 01:36:20,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:36:20,315 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:36:20,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:36:20,322 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 01:36:20,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 01:36:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:36:26,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 4910 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-14 01:36:26,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:36:26,204 INFO L134 CoverageAnalysis]: Checked inductivity of 10974 backedges. 4371 proven. 0 refuted. 0 times theorem prover too weak. 6603 trivial. 0 not checked. [2022-07-14 01:36:26,205 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 01:36:26,205 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:36:26,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [501387478] [2022-07-14 01:36:26,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [501387478] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:36:26,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:36:26,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 01:36:26,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224364640] [2022-07-14 01:36:26,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:36:26,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-14 01:36:26,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:36:26,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-14 01:36:26,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-14 01:36:26,257 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) [2022-07-14 01:36:26,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:36:26,466 INFO L93 Difference]: Finished difference Result 5845 states and 9083 transitions. [2022-07-14 01:36:26,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-14 01:36:26,468 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 [2022-07-14 01:36:26,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:36:26,499 INFO L225 Difference]: With dead ends: 5845 [2022-07-14 01:36:26,499 INFO L226 Difference]: Without dead ends: 2899 [2022-07-14 01:36:26,523 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 [2022-07-14 01:36:26,525 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 [2022-07-14 01:36:26,526 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] [2022-07-14 01:36:26,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2899 states. [2022-07-14 01:36:26,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2899 to 2899. [2022-07-14 01:36:26,681 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) [2022-07-14 01:36:26,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2899 states to 2899 states and 4318 transitions. [2022-07-14 01:36:26,708 INFO L78 Accepts]: Start accepts. Automaton has 2899 states and 4318 transitions. Word has length 704 [2022-07-14 01:36:26,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:36:26,710 INFO L495 AbstractCegarLoop]: Abstraction has 2899 states and 4318 transitions. [2022-07-14 01:36:26,711 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) [2022-07-14 01:36:26,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2899 states and 4318 transitions. [2022-07-14 01:36:26,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 705 [2022-07-14 01:36:26,725 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:36:26,725 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] [2022-07-14 01:36:26,820 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-14 01:36:26,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:36:26,944 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:36:26,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:36:26,945 INFO L85 PathProgramCache]: Analyzing trace with hash 968871455, now seen corresponding path program 1 times [2022-07-14 01:36:26,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:36:26,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2056453911] [2022-07-14 01:36:26,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:36:26,950 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:36:26,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:36:26,967 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 01:36:26,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 01:36:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:36:37,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 4910 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-14 01:36:37,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:36:37,951 INFO L134 CoverageAnalysis]: Checked inductivity of 10974 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 10947 trivial. 0 not checked. [2022-07-14 01:36:37,952 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 01:36:37,952 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:36:37,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2056453911] [2022-07-14 01:36:37,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2056453911] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:36:37,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:36:37,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 01:36:37,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000115777] [2022-07-14 01:36:37,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:36:37,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 01:36:37,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:36:37,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 01:36:37,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 01:36:37,956 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) [2022-07-14 01:36:38,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:36:38,851 INFO L93 Difference]: Finished difference Result 5720 states and 8531 transitions. [2022-07-14 01:36:38,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 01:36:38,852 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 [2022-07-14 01:36:38,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:36:38,872 INFO L225 Difference]: With dead ends: 5720 [2022-07-14 01:36:38,872 INFO L226 Difference]: Without dead ends: 2902 [2022-07-14 01:36:38,887 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 [2022-07-14 01:36:38,889 INFO L413 NwaCegarLoop]: 4303 mSDtfsCounter, 6 mSDsluCounter, 17181 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-07-14 01:36:38,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 21484 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-14 01:36:38,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2902 states. [2022-07-14 01:36:38,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2902 to 2902. [2022-07-14 01:36:38,982 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) [2022-07-14 01:36:38,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2902 states to 2902 states and 4325 transitions. [2022-07-14 01:36:39,001 INFO L78 Accepts]: Start accepts. Automaton has 2902 states and 4325 transitions. Word has length 704 [2022-07-14 01:36:39,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:36:39,004 INFO L495 AbstractCegarLoop]: Abstraction has 2902 states and 4325 transitions. [2022-07-14 01:36:39,004 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) [2022-07-14 01:36:39,004 INFO L276 IsEmpty]: Start isEmpty. Operand 2902 states and 4325 transitions. [2022-07-14 01:36:39,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 709 [2022-07-14 01:36:39,015 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:36:39,016 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] [2022-07-14 01:36:39,139 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 01:36:39,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:36:39,244 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:36:39,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:36:39,245 INFO L85 PathProgramCache]: Analyzing trace with hash 112827215, now seen corresponding path program 1 times [2022-07-14 01:36:39,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:36:39,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1805626271] [2022-07-14 01:36:39,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:36:39,249 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:36:39,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:36:39,264 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 01:36:39,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 01:36:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:36:48,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 4954 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-14 01:36:48,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:36:49,249 INFO L134 CoverageAnalysis]: Checked inductivity of 10996 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 10959 trivial. 0 not checked. [2022-07-14 01:36:49,249 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 01:36:50,595 INFO L134 CoverageAnalysis]: Checked inductivity of 10996 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 10965 trivial. 0 not checked. [2022-07-14 01:36:50,596 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:36:50,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1805626271] [2022-07-14 01:36:50,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1805626271] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 01:36:50,596 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 01:36:50,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-14 01:36:50,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300476866] [2022-07-14 01:36:50,597 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 01:36:50,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-14 01:36:50,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:36:50,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-14 01:36:50,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-14 01:36:50,599 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) [2022-07-14 01:36:52,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:36:52,558 INFO L93 Difference]: Finished difference Result 5731 states and 8551 transitions. [2022-07-14 01:36:52,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-14 01:36:52,559 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 [2022-07-14 01:36:52,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:36:52,578 INFO L225 Difference]: With dead ends: 5731 [2022-07-14 01:36:52,578 INFO L226 Difference]: Without dead ends: 2910 [2022-07-14 01:36:52,591 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 [2022-07-14 01:36:52,594 INFO L413 NwaCegarLoop]: 4305 mSDtfsCounter, 14 mSDsluCounter, 30078 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.5s IncrementalHoareTripleChecker+Time [2022-07-14 01:36:52,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 34383 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-14 01:36:52,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2910 states. [2022-07-14 01:36:52,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2910 to 2908. [2022-07-14 01:36:52,661 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) [2022-07-14 01:36:52,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2908 states to 2908 states and 4332 transitions. [2022-07-14 01:36:52,678 INFO L78 Accepts]: Start accepts. Automaton has 2908 states and 4332 transitions. Word has length 708 [2022-07-14 01:36:52,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:36:52,680 INFO L495 AbstractCegarLoop]: Abstraction has 2908 states and 4332 transitions. [2022-07-14 01:36:52,681 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) [2022-07-14 01:36:52,681 INFO L276 IsEmpty]: Start isEmpty. Operand 2908 states and 4332 transitions. [2022-07-14 01:36:52,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 713 [2022-07-14 01:36:52,685 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:36:52,685 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] [2022-07-14 01:36:52,797 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 01:36:52,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:36:52,912 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:36:52,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:36:52,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1439905951, now seen corresponding path program 2 times [2022-07-14 01:36:52,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:36:52,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [565387353] [2022-07-14 01:36:52,915 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 01:36:52,915 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:36:52,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:36:52,919 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 01:36:52,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 01:36:56,801 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 01:36:56,802 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 01:36:56,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 2963 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-14 01:36:57,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:37:03,378 INFO L134 CoverageAnalysis]: Checked inductivity of 11034 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11034 trivial. 0 not checked. [2022-07-14 01:37:03,378 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 01:37:03,378 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:37:03,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [565387353] [2022-07-14 01:37:03,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [565387353] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:37:03,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:37:03,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 01:37:03,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926424916] [2022-07-14 01:37:03,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:37:03,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 01:37:03,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:37:03,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 01:37:03,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 01:37:03,380 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) [2022-07-14 01:37:03,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:37:03,524 INFO L93 Difference]: Finished difference Result 8008 states and 12273 transitions. [2022-07-14 01:37:03,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 01:37:03,524 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 [2022-07-14 01:37:03,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:37:03,550 INFO L225 Difference]: With dead ends: 8008 [2022-07-14 01:37:03,550 INFO L226 Difference]: Without dead ends: 5196 [2022-07-14 01:37:03,565 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 [2022-07-14 01:37:03,567 INFO L413 NwaCegarLoop]: 5252 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, 8652 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 [2022-07-14 01:37:03,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4226 Valid, 8652 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 01:37:03,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5196 states. [2022-07-14 01:37:03,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5196 to 5185. [2022-07-14 01:37:03,701 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) [2022-07-14 01:37:03,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5185 states to 5185 states and 7811 transitions. [2022-07-14 01:37:03,721 INFO L78 Accepts]: Start accepts. Automaton has 5185 states and 7811 transitions. Word has length 712 [2022-07-14 01:37:03,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:37:03,723 INFO L495 AbstractCegarLoop]: Abstraction has 5185 states and 7811 transitions. [2022-07-14 01:37:03,724 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) [2022-07-14 01:37:03,725 INFO L276 IsEmpty]: Start isEmpty. Operand 5185 states and 7811 transitions. [2022-07-14 01:37:03,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 714 [2022-07-14 01:37:03,729 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:37:03,729 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] [2022-07-14 01:37:03,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 01:37:03,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:37:03,951 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:37:03,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:37:03,951 INFO L85 PathProgramCache]: Analyzing trace with hash 240199978, now seen corresponding path program 1 times [2022-07-14 01:37:03,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:37:03,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [595708719] [2022-07-14 01:37:03,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:37:03,954 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:37:03,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:37:03,955 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 01:37:03,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 01:37:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:12,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 4982 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 01:37:12,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:37:13,350 INFO L134 CoverageAnalysis]: Checked inductivity of 11034 backedges. 51 proven. 3 refuted. 0 times theorem prover too weak. 10980 trivial. 0 not checked. [2022-07-14 01:37:13,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 01:37:14,886 INFO L134 CoverageAnalysis]: Checked inductivity of 11034 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 10986 trivial. 0 not checked. [2022-07-14 01:37:14,886 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:37:14,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [595708719] [2022-07-14 01:37:14,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [595708719] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 01:37:14,887 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 01:37:14,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-14 01:37:14,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843796252] [2022-07-14 01:37:14,887 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 01:37:14,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-14 01:37:14,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:37:14,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-14 01:37:14,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-14 01:37:14,890 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) [2022-07-14 01:37:16,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:37:16,664 INFO L93 Difference]: Finished difference Result 10306 states and 15546 transitions. [2022-07-14 01:37:16,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-14 01:37:16,665 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 [2022-07-14 01:37:16,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:37:16,688 INFO L225 Difference]: With dead ends: 10306 [2022-07-14 01:37:16,688 INFO L226 Difference]: Without dead ends: 5199 [2022-07-14 01:37:16,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1429 GetRequests, 1413 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2022-07-14 01:37:16,707 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, 1.2s IncrementalHoareTripleChecker+Time [2022-07-14 01:37:16,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 21487 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-14 01:37:16,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5199 states. [2022-07-14 01:37:16,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5199 to 5186. [2022-07-14 01:37:16,826 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) [2022-07-14 01:37:16,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5186 states to 5186 states and 7813 transitions. [2022-07-14 01:37:16,845 INFO L78 Accepts]: Start accepts. Automaton has 5186 states and 7813 transitions. Word has length 713 [2022-07-14 01:37:16,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:37:16,846 INFO L495 AbstractCegarLoop]: Abstraction has 5186 states and 7813 transitions. [2022-07-14 01:37:16,846 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) [2022-07-14 01:37:16,846 INFO L276 IsEmpty]: Start isEmpty. Operand 5186 states and 7813 transitions. [2022-07-14 01:37:16,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 718 [2022-07-14 01:37:16,850 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:37:16,851 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] [2022-07-14 01:37:16,927 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-07-14 01:37:17,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:37:17,069 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:37:17,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:37:17,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1248536582, now seen corresponding path program 2 times [2022-07-14 01:37:17,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:37:17,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [445736094] [2022-07-14 01:37:17,072 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 01:37:17,072 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:37:17,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:37:17,073 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 01:37:17,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 01:37:20,902 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 01:37:20,902 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 01:37:21,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 2947 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-14 01:37:21,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:37:27,337 INFO L134 CoverageAnalysis]: Checked inductivity of 11088 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11088 trivial. 0 not checked. [2022-07-14 01:37:27,338 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 01:37:27,338 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:37:27,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [445736094] [2022-07-14 01:37:27,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [445736094] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:37:27,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:37:27,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 01:37:27,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874388817] [2022-07-14 01:37:27,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:37:27,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 01:37:27,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:37:27,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 01:37:27,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 01:37:27,339 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) [2022-07-14 01:37:27,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:37:27,536 INFO L93 Difference]: Finished difference Result 14814 states and 23347 transitions. [2022-07-14 01:37:27,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 01:37:27,536 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 [2022-07-14 01:37:27,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:37:27,591 INFO L225 Difference]: With dead ends: 14814 [2022-07-14 01:37:27,592 INFO L226 Difference]: Without dead ends: 9724 [2022-07-14 01:37:27,621 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 [2022-07-14 01:37:27,622 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 [2022-07-14 01:37:27,622 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] [2022-07-14 01:37:27,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9724 states. [2022-07-14 01:37:28,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9724 to 9697. [2022-07-14 01:37:28,065 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) [2022-07-14 01:37:28,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9697 states to 9697 states and 14941 transitions. [2022-07-14 01:37:28,104 INFO L78 Accepts]: Start accepts. Automaton has 9697 states and 14941 transitions. Word has length 717 [2022-07-14 01:37:28,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:37:28,105 INFO L495 AbstractCegarLoop]: Abstraction has 9697 states and 14941 transitions. [2022-07-14 01:37:28,105 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) [2022-07-14 01:37:28,105 INFO L276 IsEmpty]: Start isEmpty. Operand 9697 states and 14941 transitions. [2022-07-14 01:37:28,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 718 [2022-07-14 01:37:28,109 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:37:28,109 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] [2022-07-14 01:37:28,161 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-14 01:37:28,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:37:28,336 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:37:28,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:37:28,336 INFO L85 PathProgramCache]: Analyzing trace with hash -249431367, now seen corresponding path program 1 times [2022-07-14 01:37:28,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:37:28,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1440036974] [2022-07-14 01:37:28,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:37:28,339 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:37:28,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:37:28,340 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) [2022-07-14 01:37:28,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-14 01:37:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:37,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 5025 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-14 01:37:37,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:37:37,864 INFO L134 CoverageAnalysis]: Checked inductivity of 11088 backedges. 72 proven. 6 refuted. 0 times theorem prover too weak. 11010 trivial. 0 not checked. [2022-07-14 01:37:37,864 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 01:37:40,115 INFO L134 CoverageAnalysis]: Checked inductivity of 11088 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 11016 trivial. 0 not checked. [2022-07-14 01:37:40,116 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:37:40,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1440036974] [2022-07-14 01:37:40,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1440036974] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 01:37:40,116 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 01:37:40,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-14 01:37:40,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27963606] [2022-07-14 01:37:40,117 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 01:37:40,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-14 01:37:40,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:37:40,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-14 01:37:40,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-14 01:37:40,119 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) [2022-07-14 01:37:44,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:37:44,343 INFO L93 Difference]: Finished difference Result 19359 states and 29874 transitions. [2022-07-14 01:37:44,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-14 01:37:44,345 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 [2022-07-14 01:37:44,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:37:44,413 INFO L225 Difference]: With dead ends: 19359 [2022-07-14 01:37:44,414 INFO L226 Difference]: Without dead ends: 9740 [2022-07-14 01:37:44,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1438 GetRequests, 1419 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2022-07-14 01:37:44,457 INFO L413 NwaCegarLoop]: 4303 mSDtfsCounter, 25 mSDsluCounter, 34347 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s 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, 3.1s IncrementalHoareTripleChecker+Time [2022-07-14 01:37:44,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 38650 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-14 01:37:44,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9740 states. [2022-07-14 01:37:44,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9740 to 9698. [2022-07-14 01:37:44,905 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) [2022-07-14 01:37:44,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9698 states to 9698 states and 14943 transitions. [2022-07-14 01:37:44,964 INFO L78 Accepts]: Start accepts. Automaton has 9698 states and 14943 transitions. Word has length 717 [2022-07-14 01:37:44,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:37:44,965 INFO L495 AbstractCegarLoop]: Abstraction has 9698 states and 14943 transitions. [2022-07-14 01:37:44,965 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) [2022-07-14 01:37:44,965 INFO L276 IsEmpty]: Start isEmpty. Operand 9698 states and 14943 transitions. [2022-07-14 01:37:44,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 722 [2022-07-14 01:37:44,969 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:37:44,970 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] [2022-07-14 01:37:45,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-14 01:37:45,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:37:45,183 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:37:45,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:37:45,184 INFO L85 PathProgramCache]: Analyzing trace with hash 516108649, now seen corresponding path program 2 times [2022-07-14 01:37:45,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:37:45,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [137918628] [2022-07-14 01:37:45,187 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 01:37:45,187 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:37:45,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:37:45,189 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) [2022-07-14 01:37:45,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-14 01:37:49,700 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 01:37:49,701 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 01:37:49,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 2946 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-14 01:37:49,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 01:37:56,189 INFO L134 CoverageAnalysis]: Checked inductivity of 11158 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11158 trivial. 0 not checked. [2022-07-14 01:37:56,189 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 01:37:56,189 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 01:37:56,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [137918628] [2022-07-14 01:37:56,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [137918628] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:37:56,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:37:56,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 01:37:56,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529262924] [2022-07-14 01:37:56,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:37:56,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 01:37:56,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 01:37:56,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 01:37:56,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 01:37:56,191 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) [2022-07-14 01:37:56,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:37:56,505 INFO L93 Difference]: Finished difference Result 24233 states and 38937 transitions. [2022-07-14 01:37:56,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 01:37:56,505 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 [2022-07-14 01:37:56,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:37:56,565 INFO L225 Difference]: With dead ends: 24233 [2022-07-14 01:37:56,566 INFO L226 Difference]: Without dead ends: 14631 [2022-07-14 01:37:56,731 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 [2022-07-14 01:37:56,732 INFO L413 NwaCegarLoop]: 5328 mSDtfsCounter, 3632 mSDsluCounter, 2932 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 01:37:56,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3632 Valid, 8260 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 01:37:56,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14631 states. [2022-07-14 01:37:57,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14631 to 14529. [2022-07-14 01:37:57,018 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) [2022-07-14 01:37:57,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14529 states to 14529 states and 22339 transitions. [2022-07-14 01:37:57,083 INFO L78 Accepts]: Start accepts. Automaton has 14529 states and 22339 transitions. Word has length 721 [2022-07-14 01:37:57,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:37:57,084 INFO L495 AbstractCegarLoop]: Abstraction has 14529 states and 22339 transitions. [2022-07-14 01:37:57,084 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) [2022-07-14 01:37:57,084 INFO L276 IsEmpty]: Start isEmpty. Operand 14529 states and 22339 transitions. [2022-07-14 01:37:57,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 724 [2022-07-14 01:37:57,088 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:37:57,088 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] [2022-07-14 01:37:57,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-14 01:37:57,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 01:37:57,312 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:37:57,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:37:57,312 INFO L85 PathProgramCache]: Analyzing trace with hash -2138563789, now seen corresponding path program 1 times [2022-07-14 01:37:57,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 01:37:57,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1950023575] [2022-07-14 01:37:57,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:37:57,315 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 01:37:57,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 01:37:57,328 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) [2022-07-14 01:37:57,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process