./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.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 a39498090d656dd87e8bb8647a18e08a0862a7f56f6aac4cd3db5ade7105a6de --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 10:44:11,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 10:44:11,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 10:44:11,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 10:44:11,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 10:44:11,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 10:44:11,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 10:44:11,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 10:44:11,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 10:44:11,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 10:44:11,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 10:44:11,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 10:44:11,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 10:44:11,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 10:44:11,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 10:44:11,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 10:44:11,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 10:44:11,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 10:44:11,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 10:44:11,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 10:44:11,575 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 10:44:11,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 10:44:11,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 10:44:11,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 10:44:11,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 10:44:11,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 10:44:11,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 10:44:11,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 10:44:11,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 10:44:11,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 10:44:11,584 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 10:44:11,584 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 10:44:11,585 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 10:44:11,586 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 10:44:11,587 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 10:44:11,587 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 10:44:11,587 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 10:44:11,588 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 10:44:11,588 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 10:44:11,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 10:44:11,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 10:44:11,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 10:44:11,593 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 10:44:11,620 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 10:44:11,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 10:44:11,621 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 10:44:11,621 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 10:44:11,621 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 10:44:11,621 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 10:44:11,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 10:44:11,622 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 10:44:11,622 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 10:44:11,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 10:44:11,623 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 10:44:11,623 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 10:44:11,623 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 10:44:11,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 10:44:11,624 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 10:44:11,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 10:44:11,624 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 10:44:11,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 10:44:11,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 10:44:11,624 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 10:44:11,625 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 10:44:11,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 10:44:11,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 10:44:11,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 10:44:11,625 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 10:44:11,625 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 10:44:11,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 10:44:11,626 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 10:44:11,626 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 10:44:11,626 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 10:44:11,626 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a39498090d656dd87e8bb8647a18e08a0862a7f56f6aac4cd3db5ade7105a6de [2022-07-21 10:44:11,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 10:44:11,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 10:44:11,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 10:44:11,909 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 10:44:11,910 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 10:44:11,911 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i [2022-07-21 10:44:11,973 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/210689ef1/88e01dd7ec4e4b44ab4e373d2cdcaced/FLAG21598719f [2022-07-21 10:44:12,671 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 10:44:12,672 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i [2022-07-21 10:44:12,725 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/210689ef1/88e01dd7ec4e4b44ab4e373d2cdcaced/FLAG21598719f [2022-07-21 10:44:13,016 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/210689ef1/88e01dd7ec4e4b44ab4e373d2cdcaced [2022-07-21 10:44:13,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 10:44:13,019 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 10:44:13,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 10:44:13,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 10:44:13,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 10:44:13,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:44:13" (1/1) ... [2022-07-21 10:44:13,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77ea2cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:44:13, skipping insertion in model container [2022-07-21 10:44:13,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:44:13" (1/1) ... [2022-07-21 10:44:13,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 10:44:13,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 10:44:14,342 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i[390732,390745] [2022-07-21 10:44:14,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:44:14,460 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 10:44:14,732 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: mode = (unsigned int )mode & 223U [10140] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-21 10:44:14,737 INFO L158 Benchmark]: Toolchain (without parser) took 1717.06ms. Allocated memory was 52.4MB in the beginning and 169.9MB in the end (delta: 117.4MB). Free memory was 23.8MB in the beginning and 102.2MB in the end (delta: -78.4MB). Peak memory consumption was 81.6MB. Max. memory is 16.1GB. [2022-07-21 10:44:14,738 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 52.4MB. Free memory was 34.9MB in the beginning and 34.9MB in the end (delta: 44.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 10:44:14,740 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1715.57ms. Allocated memory was 52.4MB in the beginning and 169.9MB in the end (delta: 117.4MB). Free memory was 23.7MB in the beginning and 102.2MB in the end (delta: -78.5MB). Peak memory consumption was 81.6MB. Max. memory is 16.1GB. [2022-07-21 10:44:14,741 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 52.4MB. Free memory was 34.9MB in the beginning and 34.9MB in the end (delta: 44.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1715.57ms. Allocated memory was 52.4MB in the beginning and 169.9MB in the end (delta: 117.4MB). Free memory was 23.7MB in the beginning and 102.2MB in the end (delta: -78.5MB). Peak memory consumption was 81.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: mode = (unsigned int )mode & 223U [10140] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: mode = (unsigned int )mode & 223U [10140]: 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.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 a39498090d656dd87e8bb8647a18e08a0862a7f56f6aac4cd3db5ade7105a6de --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 10:44:16,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 10:44:16,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 10:44:16,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 10:44:16,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 10:44:16,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 10:44:16,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 10:44:16,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 10:44:16,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 10:44:16,356 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 10:44:16,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 10:44:16,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 10:44:16,359 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 10:44:16,360 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 10:44:16,361 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 10:44:16,363 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 10:44:16,364 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 10:44:16,365 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 10:44:16,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 10:44:16,372 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 10:44:16,373 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 10:44:16,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 10:44:16,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 10:44:16,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 10:44:16,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 10:44:16,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 10:44:16,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 10:44:16,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 10:44:16,382 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 10:44:16,382 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 10:44:16,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 10:44:16,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 10:44:16,384 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 10:44:16,385 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 10:44:16,386 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 10:44:16,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 10:44:16,387 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 10:44:16,387 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 10:44:16,387 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 10:44:16,387 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 10:44:16,388 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 10:44:16,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 10:44:16,393 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 10:44:16,417 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 10:44:16,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 10:44:16,418 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 10:44:16,418 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 10:44:16,419 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 10:44:16,419 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 10:44:16,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 10:44:16,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 10:44:16,420 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 10:44:16,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 10:44:16,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 10:44:16,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 10:44:16,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 10:44:16,421 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 10:44:16,421 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 10:44:16,422 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 10:44:16,422 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 10:44:16,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 10:44:16,422 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 10:44:16,422 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 10:44:16,422 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 10:44:16,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 10:44:16,423 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 10:44:16,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 10:44:16,423 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 10:44:16,423 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 10:44:16,423 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 10:44:16,424 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 10:44:16,424 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 10:44:16,424 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 10:44:16,424 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 10:44:16,424 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 10:44:16,425 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 10:44:16,425 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a39498090d656dd87e8bb8647a18e08a0862a7f56f6aac4cd3db5ade7105a6de [2022-07-21 10:44:16,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 10:44:16,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 10:44:16,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 10:44:16,710 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 10:44:16,720 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 10:44:16,721 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i [2022-07-21 10:44:16,760 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9afa64ac/f5124baf064e4508aeeaa6dd6226bf60/FLAG026dc0947 [2022-07-21 10:44:17,430 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 10:44:17,431 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i [2022-07-21 10:44:17,487 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9afa64ac/f5124baf064e4508aeeaa6dd6226bf60/FLAG026dc0947 [2022-07-21 10:44:17,558 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9afa64ac/f5124baf064e4508aeeaa6dd6226bf60 [2022-07-21 10:44:17,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 10:44:17,562 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 10:44:17,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 10:44:17,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 10:44:17,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 10:44:17,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:44:17" (1/1) ... [2022-07-21 10:44:17,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d51f0ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:44:17, skipping insertion in model container [2022-07-21 10:44:17,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:44:17" (1/1) ... [2022-07-21 10:44:17,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 10:44:17,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 10:44:19,362 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i[390732,390745] [2022-07-21 10:44:19,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:44:19,574 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 10:44:19,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 10:44:19,930 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i[390732,390745] [2022-07-21 10:44:19,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:44:19,992 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 10:44:20,310 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i[390732,390745] [2022-07-21 10:44:20,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:44:20,542 INFO L208 MainTranslator]: Completed translation [2022-07-21 10:44:20,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:44:20 WrapperNode [2022-07-21 10:44:20,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 10:44:20,543 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 10:44:20,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 10:44:20,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 10:44:20,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:44:20" (1/1) ... [2022-07-21 10:44:20,637 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:44:20" (1/1) ... [2022-07-21 10:44:20,748 INFO L137 Inliner]: procedures = 243, calls = 4038, calls flagged for inlining = 60, calls inlined = 42, statements flattened = 4574 [2022-07-21 10:44:20,749 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 10:44:20,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 10:44:20,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 10:44:20,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 10:44:20,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:44:20" (1/1) ... [2022-07-21 10:44:20,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:44:20" (1/1) ... [2022-07-21 10:44:20,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:44:20" (1/1) ... [2022-07-21 10:44:20,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:44:20" (1/1) ... [2022-07-21 10:44:20,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:44:20" (1/1) ... [2022-07-21 10:44:20,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:44:20" (1/1) ... [2022-07-21 10:44:20,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:44:20" (1/1) ... [2022-07-21 10:44:20,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 10:44:20,972 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 10:44:20,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 10:44:20,973 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 10:44:20,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:44:20" (1/1) ... [2022-07-21 10:44:20,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 10:44:20,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 10:44:20,999 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 10:44:21,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 10:44:21,066 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-21 10:44:21,067 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-21 10:44:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_read_reg [2022-07-21 10:44:21,067 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_read_reg [2022-07-21 10:44:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 10:44:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury [2022-07-21 10:44:21,067 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury [2022-07-21 10:44:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 10:44:21,068 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 10:44:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 10:44:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 10:44:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 10:44:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 10:44:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_atsc [2022-07-21 10:44:21,068 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_atsc [2022-07-21 10:44:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-21 10:44:21,069 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-21 10:44:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 10:44:21,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 10:44:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury [2022-07-21 10:44:21,069 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury [2022-07-21 10:44:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2160_frontend_attach [2022-07-21 10:44:21,069 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2160_frontend_attach [2022-07-21 10:44:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 10:44:21,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 10:44:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_config_pin_mux_modes [2022-07-21 10:44:21,070 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_config_pin_mux_modes [2022-07-21 10:44:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2022-07-21 10:44:21,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2022-07-21 10:44:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_isoc [2022-07-21 10:44:21,071 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_isoc [2022-07-21 10:44:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mh [2022-07-21 10:44:21,071 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mh [2022-07-21 10:44:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc [2022-07-21 10:44:21,071 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc [2022-07-21 10:44:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep6_streaming_ctrl [2022-07-21 10:44:21,072 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep6_streaming_ctrl [2022-07-21 10:44:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg_mask [2022-07-21 10:44:21,072 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg_mask [2022-07-21 10:44:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_soft_reset [2022-07-21 10:44:21,072 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_soft_reset [2022-07-21 10:44:21,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 10:44:21,073 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_bulk [2022-07-21 10:44:21,073 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_bulk [2022-07-21 10:44:21,073 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init [2022-07-21 10:44:21,073 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init [2022-07-21 10:44:21,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 10:44:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_tuner_demod [2022-07-21 10:44:21,074 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_tuner_demod [2022-07-21 10:44:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_mercury_mh_release [2022-07-21 10:44:21,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_mercury_mh_release [2022-07-21 10:44:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_dvbt [2022-07-21 10:44:21,075 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_dvbt [2022-07-21 10:44:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 10:44:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 10:44:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 10:44:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 10:44:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 10:44:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-21 10:44:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 10:44:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 10:44:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 10:44:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-21 10:44:21,077 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-21 10:44:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_atsc_release [2022-07-21 10:44:21,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_atsc_release [2022-07-21 10:44:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_mh_release [2022-07-21 10:44:21,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_mh_release [2022-07-21 10:44:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_dvbt_release [2022-07-21 10:44:21,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_dvbt_release [2022-07-21 10:44:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep5_streaming_ctrl [2022-07-21 10:44:21,078 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep5_streaming_ctrl [2022-07-21 10:44:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_mercury_release [2022-07-21 10:44:21,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_mercury_release [2022-07-21 10:44:21,079 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_msg [2022-07-21 10:44:21,079 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_msg [2022-07-21 10:44:21,079 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_dvbt [2022-07-21 10:44:21,079 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_dvbt [2022-07-21 10:44:21,079 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mh [2022-07-21 10:44:21,079 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mh [2022-07-21 10:44:21,079 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep4_streaming_ctrl [2022-07-21 10:44:21,079 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep4_streaming_ctrl [2022-07-21 10:44:21,080 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_gpio [2022-07-21 10:44:21,080 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_gpio [2022-07-21 10:44:21,080 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-21 10:44:21,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-21 10:44:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_atsc_mh [2022-07-21 10:44:21,081 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_atsc_mh [2022-07-21 10:44:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-21 10:44:21,081 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-21 10:44:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_get_chip_info [2022-07-21 10:44:21,082 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_get_chip_info [2022-07-21 10:44:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mercury_mh [2022-07-21 10:44:21,083 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mercury_mh [2022-07-21 10:44:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-21 10:44:21,083 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-21 10:44:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 10:44:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 10:44:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_enable_usb_output [2022-07-21 10:44:21,083 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_enable_usb_output [2022-07-21 10:44:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 10:44:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 10:44:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-21 10:44:21,084 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-21 10:44:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_tuner [2022-07-21 10:44:21,084 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_tuner [2022-07-21 10:44:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-21 10:44:21,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-21 10:44:21,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 10:44:21,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 10:44:21,085 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_hw_set_gpio [2022-07-21 10:44:21,086 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_hw_set_gpio [2022-07-21 10:44:21,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 10:44:21,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 10:44:21,088 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_set_device_mode [2022-07-21 10:44:21,088 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_set_device_mode [2022-07-21 10:44:21,088 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_program_regs [2022-07-21 10:44:21,089 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_program_regs [2022-07-21 10:44:21,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 10:44:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 10:44:21,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 10:44:21,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 10:44:21,094 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_atsc_mh [2022-07-21 10:44:21,094 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_atsc_mh [2022-07-21 10:44:21,094 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_gpio_mode_switch [2022-07-21 10:44:21,094 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_gpio_mode_switch [2022-07-21 10:44:21,094 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2022-07-21 10:44:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2022-07-21 10:44:21,095 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_get_stream_config_mercury [2022-07-21 10:44:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_get_stream_config_mercury [2022-07-21 10:44:21,095 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg [2022-07-21 10:44:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg [2022-07-21 10:44:21,095 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ant_hunt [2022-07-21 10:44:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ant_hunt [2022-07-21 10:44:21,095 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_ant_path [2022-07-21 10:44:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_ant_path [2022-07-21 10:44:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_port_expander [2022-07-21 10:44:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_port_expander [2022-07-21 10:44:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-21 10:44:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-21 10:44:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_demod [2022-07-21 10:44:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_demod [2022-07-21 10:44:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 10:44:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mxl111sf_props_atsc_mh_release [2022-07-21 10:44:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mxl111sf_props_atsc_mh_release [2022-07-21 10:44:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 10:44:21,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 10:44:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_probe [2022-07-21 10:44:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_top_master_ctrl [2022-07-21 10:44:21,097 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_top_master_ctrl [2022-07-21 10:44:21,749 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 10:44:21,751 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 10:45:56,392 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 10:45:56,403 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 10:45:56,403 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 10:45:56,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:45:56 BoogieIcfgContainer [2022-07-21 10:45:56,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 10:45:56,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 10:45:56,407 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 10:45:56,409 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 10:45:56,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:44:17" (1/3) ... [2022-07-21 10:45:56,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e1f5905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:45:56, skipping insertion in model container [2022-07-21 10:45:56,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:44:20" (2/3) ... [2022-07-21 10:45:56,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e1f5905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:45:56, skipping insertion in model container [2022-07-21 10:45:56,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:45:56" (3/3) ... [2022-07-21 10:45:56,411 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--usb--dvb-usb-v2--dvb-usb-mxl111sf.ko-main.cil.out.i [2022-07-21 10:45:56,422 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 10:45:56,422 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 10:45:56,475 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 10:45:56,480 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@484c2675, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@51ca7efa [2022-07-21 10:45:56,480 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 10:45:56,489 INFO L276 IsEmpty]: Start isEmpty. Operand has 1716 states, 1293 states have (on average 1.5034802784222738) internal successors, (1944), 1328 states have internal predecessors, (1944), 361 states have call successors, (361), 60 states have call predecessors, (361), 60 states have return successors, (361), 341 states have call predecessors, (361), 361 states have call successors, (361) [2022-07-21 10:45:56,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-21 10:45:56,514 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:45:56,515 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:45:56,515 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:45:56,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:45:56,519 INFO L85 PathProgramCache]: Analyzing trace with hash -776624802, now seen corresponding path program 1 times [2022-07-21 10:45:56,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:45:56,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1127751977] [2022-07-21 10:45:56,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:45:56,535 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:45:56,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:45:56,564 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 10:45:56,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 10:46:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:46:02,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 3921 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:46:02,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:46:02,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:46:02,581 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:46:02,582 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:46:02,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1127751977] [2022-07-21 10:46:02,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1127751977] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:46:02,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:46:02,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:46:02,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064305303] [2022-07-21 10:46:02,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:46:02,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:46:02,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:46:02,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:46:02,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:46:02,627 INFO L87 Difference]: Start difference. First operand has 1716 states, 1293 states have (on average 1.5034802784222738) internal successors, (1944), 1328 states have internal predecessors, (1944), 361 states have call successors, (361), 60 states have call predecessors, (361), 60 states have return successors, (361), 341 states have call predecessors, (361), 361 states have call successors, (361) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:46:03,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:46:03,677 INFO L93 Difference]: Finished difference Result 5115 states and 7956 transitions. [2022-07-21 10:46:03,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:46:03,680 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-07-21 10:46:03,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:46:03,735 INFO L225 Difference]: With dead ends: 5115 [2022-07-21 10:46:03,735 INFO L226 Difference]: Without dead ends: 3398 [2022-07-21 10:46:03,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:46:03,780 INFO L413 NwaCegarLoop]: 3012 mSDtfsCounter, 2617 mSDsluCounter, 2644 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2617 SdHoareTripleChecker+Valid, 5656 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-21 10:46:03,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2617 Valid, 5656 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-21 10:46:03,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3398 states. [2022-07-21 10:46:04,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3398 to 3398. [2022-07-21 10:46:04,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3398 states, 2562 states have (on average 1.5031225604996097) internal successors, (3851), 2624 states have internal predecessors, (3851), 717 states have call successors, (717), 119 states have call predecessors, (717), 118 states have return successors, (712), 672 states have call predecessors, (712), 712 states have call successors, (712) [2022-07-21 10:46:04,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3398 states to 3398 states and 5280 transitions. [2022-07-21 10:46:04,107 INFO L78 Accepts]: Start accepts. Automaton has 3398 states and 5280 transitions. Word has length 22 [2022-07-21 10:46:04,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:46:04,108 INFO L495 AbstractCegarLoop]: Abstraction has 3398 states and 5280 transitions. [2022-07-21 10:46:04,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:46:04,109 INFO L276 IsEmpty]: Start isEmpty. Operand 3398 states and 5280 transitions. [2022-07-21 10:46:04,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-21 10:46:04,114 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:46:04,114 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:46:04,190 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 10:46:04,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:46:04,315 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:46:04,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:46:04,316 INFO L85 PathProgramCache]: Analyzing trace with hash -521233759, now seen corresponding path program 1 times [2022-07-21 10:46:04,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:46:04,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [332983577] [2022-07-21 10:46:04,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:46:04,320 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:46:04,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:46:04,337 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 10:46:04,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 10:46:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:46:09,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 3933 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:46:09,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:46:10,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:46:10,590 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:46:10,590 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:46:10,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [332983577] [2022-07-21 10:46:10,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [332983577] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:46:10,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:46:10,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:46:10,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380005019] [2022-07-21 10:46:10,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:46:10,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:46:10,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:46:10,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:46:10,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:46:10,593 INFO L87 Difference]: Start difference. First operand 3398 states and 5280 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:46:11,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:46:11,139 INFO L93 Difference]: Finished difference Result 3400 states and 5281 transitions. [2022-07-21 10:46:11,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:46:11,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-07-21 10:46:11,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:46:11,163 INFO L225 Difference]: With dead ends: 3400 [2022-07-21 10:46:11,164 INFO L226 Difference]: Without dead ends: 3397 [2022-07-21 10:46:11,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:46:11,168 INFO L413 NwaCegarLoop]: 2652 mSDtfsCounter, 2632 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2632 SdHoareTripleChecker+Valid, 2652 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-21 10:46:11,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2632 Valid, 2652 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-21 10:46:11,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2022-07-21 10:46:11,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 3397. [2022-07-21 10:46:11,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3397 states, 2562 states have (on average 1.5027322404371584) internal successors, (3850), 2623 states have internal predecessors, (3850), 716 states have call successors, (716), 119 states have call predecessors, (716), 118 states have return successors, (712), 672 states have call predecessors, (712), 712 states have call successors, (712) [2022-07-21 10:46:11,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3397 states to 3397 states and 5278 transitions. [2022-07-21 10:46:11,290 INFO L78 Accepts]: Start accepts. Automaton has 3397 states and 5278 transitions. Word has length 24 [2022-07-21 10:46:11,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:46:11,290 INFO L495 AbstractCegarLoop]: Abstraction has 3397 states and 5278 transitions. [2022-07-21 10:46:11,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:46:11,290 INFO L276 IsEmpty]: Start isEmpty. Operand 3397 states and 5278 transitions. [2022-07-21 10:46:11,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-21 10:46:11,294 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:46:11,294 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:46:11,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 10:46:11,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:46:11,507 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:46:11,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:46:11,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1020825823, now seen corresponding path program 1 times [2022-07-21 10:46:11,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:46:11,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [631010239] [2022-07-21 10:46:11,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:46:11,511 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:46:11,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:46:11,519 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 10:46:11,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 10:46:16,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:46:17,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 3934 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:46:17,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:46:17,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:46:17,918 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:46:17,918 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:46:17,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [631010239] [2022-07-21 10:46:17,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [631010239] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:46:17,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:46:17,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:46:17,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752223832] [2022-07-21 10:46:17,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:46:17,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:46:17,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:46:17,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:46:17,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:46:17,972 INFO L87 Difference]: Start difference. First operand 3397 states and 5278 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:46:18,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:46:18,481 INFO L93 Difference]: Finished difference Result 3399 states and 5279 transitions. [2022-07-21 10:46:18,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:46:18,482 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-07-21 10:46:18,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:46:18,498 INFO L225 Difference]: With dead ends: 3399 [2022-07-21 10:46:18,498 INFO L226 Difference]: Without dead ends: 3396 [2022-07-21 10:46:18,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:46:18,502 INFO L413 NwaCegarLoop]: 2650 mSDtfsCounter, 2629 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2629 SdHoareTripleChecker+Valid, 2650 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-21 10:46:18,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2629 Valid, 2650 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-21 10:46:18,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3396 states. [2022-07-21 10:46:18,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3396 to 3396. [2022-07-21 10:46:18,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3396 states, 2562 states have (on average 1.5023419203747073) internal successors, (3849), 2622 states have internal predecessors, (3849), 715 states have call successors, (715), 119 states have call predecessors, (715), 118 states have return successors, (712), 672 states have call predecessors, (712), 712 states have call successors, (712) [2022-07-21 10:46:18,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3396 states to 3396 states and 5276 transitions. [2022-07-21 10:46:18,591 INFO L78 Accepts]: Start accepts. Automaton has 3396 states and 5276 transitions. Word has length 25 [2022-07-21 10:46:18,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:46:18,591 INFO L495 AbstractCegarLoop]: Abstraction has 3396 states and 5276 transitions. [2022-07-21 10:46:18,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:46:18,591 INFO L276 IsEmpty]: Start isEmpty. Operand 3396 states and 5276 transitions. [2022-07-21 10:46:18,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-21 10:46:18,594 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:46:18,594 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:46:18,658 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 10:46:18,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:46:18,807 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:46:18,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:46:18,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1580037476, now seen corresponding path program 1 times [2022-07-21 10:46:18,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:46:18,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [617440189] [2022-07-21 10:46:18,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:46:18,811 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:46:18,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:46:18,826 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 10:46:18,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 10:46:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:46:24,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 3935 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:46:24,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:46:25,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:46:25,121 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:46:25,121 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:46:25,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [617440189] [2022-07-21 10:46:25,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [617440189] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:46:25,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:46:25,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:46:25,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739108816] [2022-07-21 10:46:25,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:46:25,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:46:25,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:46:25,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:46:25,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:46:25,122 INFO L87 Difference]: Start difference. First operand 3396 states and 5276 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:46:25,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:46:25,620 INFO L93 Difference]: Finished difference Result 3398 states and 5277 transitions. [2022-07-21 10:46:25,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:46:25,621 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-07-21 10:46:25,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:46:25,640 INFO L225 Difference]: With dead ends: 3398 [2022-07-21 10:46:25,640 INFO L226 Difference]: Without dead ends: 3395 [2022-07-21 10:46:25,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:46:25,646 INFO L413 NwaCegarLoop]: 2648 mSDtfsCounter, 2626 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2626 SdHoareTripleChecker+Valid, 2648 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-21 10:46:25,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2626 Valid, 2648 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-21 10:46:25,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3395 states. [2022-07-21 10:46:25,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3395 to 3395. [2022-07-21 10:46:25,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3395 states, 2562 states have (on average 1.501951600312256) internal successors, (3848), 2621 states have internal predecessors, (3848), 714 states have call successors, (714), 119 states have call predecessors, (714), 118 states have return successors, (712), 672 states have call predecessors, (712), 712 states have call successors, (712) [2022-07-21 10:46:25,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3395 states to 3395 states and 5274 transitions. [2022-07-21 10:46:25,802 INFO L78 Accepts]: Start accepts. Automaton has 3395 states and 5274 transitions. Word has length 26 [2022-07-21 10:46:25,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:46:25,802 INFO L495 AbstractCegarLoop]: Abstraction has 3395 states and 5274 transitions. [2022-07-21 10:46:25,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:46:25,803 INFO L276 IsEmpty]: Start isEmpty. Operand 3395 states and 5274 transitions. [2022-07-21 10:46:25,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-07-21 10:46:25,805 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:46:25,806 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:46:25,864 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-21 10:46:26,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:46:26,031 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:46:26,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:46:26,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1735734402, now seen corresponding path program 1 times [2022-07-21 10:46:26,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:46:26,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [784725236] [2022-07-21 10:46:26,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:46:26,037 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:46:26,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:46:26,047 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 10:46:26,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 10:46:31,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:46:31,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 3936 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:46:31,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:46:32,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:46:32,326 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:46:32,326 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:46:32,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [784725236] [2022-07-21 10:46:32,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [784725236] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:46:32,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:46:32,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:46:32,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994459648] [2022-07-21 10:46:32,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:46:32,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:46:32,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:46:32,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:46:32,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:46:32,327 INFO L87 Difference]: Start difference. First operand 3395 states and 5274 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:46:32,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:46:32,801 INFO L93 Difference]: Finished difference Result 3397 states and 5275 transitions. [2022-07-21 10:46:32,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:46:32,802 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-07-21 10:46:32,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:46:32,817 INFO L225 Difference]: With dead ends: 3397 [2022-07-21 10:46:32,817 INFO L226 Difference]: Without dead ends: 3394 [2022-07-21 10:46:32,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:46:32,820 INFO L413 NwaCegarLoop]: 2646 mSDtfsCounter, 2623 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2623 SdHoareTripleChecker+Valid, 2646 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 10:46:32,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2623 Valid, 2646 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 10:46:32,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3394 states. [2022-07-21 10:46:32,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3394 to 3394. [2022-07-21 10:46:32,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3394 states, 2562 states have (on average 1.5015612802498048) internal successors, (3847), 2620 states have internal predecessors, (3847), 713 states have call successors, (713), 119 states have call predecessors, (713), 118 states have return successors, (712), 672 states have call predecessors, (712), 712 states have call successors, (712) [2022-07-21 10:46:32,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3394 states to 3394 states and 5272 transitions. [2022-07-21 10:46:32,920 INFO L78 Accepts]: Start accepts. Automaton has 3394 states and 5272 transitions. Word has length 27 [2022-07-21 10:46:32,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:46:32,920 INFO L495 AbstractCegarLoop]: Abstraction has 3394 states and 5272 transitions. [2022-07-21 10:46:32,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:46:32,921 INFO L276 IsEmpty]: Start isEmpty. Operand 3394 states and 5272 transitions. [2022-07-21 10:46:32,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-21 10:46:32,924 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:46:32,924 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:46:32,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 10:46:33,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:46:33,144 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:46:33,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:46:33,144 INFO L85 PathProgramCache]: Analyzing trace with hash -2027590617, now seen corresponding path program 1 times [2022-07-21 10:46:33,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:46:33,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1732388887] [2022-07-21 10:46:33,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:46:33,147 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:46:33,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:46:33,149 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 10:46:33,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 10:46:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:46:38,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 3937 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:46:38,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:46:39,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:46:39,550 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:46:39,550 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:46:39,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1732388887] [2022-07-21 10:46:39,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1732388887] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:46:39,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:46:39,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:46:39,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972065027] [2022-07-21 10:46:39,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:46:39,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:46:39,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:46:39,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:46:39,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:46:39,552 INFO L87 Difference]: Start difference. First operand 3394 states and 5272 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:46:39,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:46:39,970 INFO L93 Difference]: Finished difference Result 3394 states and 5272 transitions. [2022-07-21 10:46:40,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:46:40,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-07-21 10:46:40,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:46:40,040 INFO L225 Difference]: With dead ends: 3394 [2022-07-21 10:46:40,040 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 10:46:40,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:46:40,053 INFO L413 NwaCegarLoop]: 2644 mSDtfsCounter, 2619 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2619 SdHoareTripleChecker+Valid, 2644 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 10:46:40,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2619 Valid, 2644 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 10:46:40,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 10:46:40,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 10:46:40,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:46:40,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 10:46:40,054 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2022-07-21 10:46:40,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:46:40,055 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 10:46:40,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:46:40,055 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 10:46:40,055 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 10:46:40,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 10:46:40,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 10:46:40,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:46:40,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.