./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5df375afe9fb68708289d9f3c6788a2547ede1538b0aa584ee561e48e9fb4c63 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 23:42:06,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:42:06,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:42:06,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:42:06,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:42:06,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:42:06,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:42:06,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:42:06,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:42:06,597 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:42:06,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:42:06,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:42:06,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:42:06,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:42:06,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:42:06,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:42:06,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:42:06,610 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:42:06,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:42:06,615 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:42:06,617 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:42:06,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:42:06,619 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:42:06,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:42:06,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:42:06,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:42:06,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:42:06,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:42:06,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:42:06,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:42:06,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:42:06,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:42:06,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:42:06,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:42:06,631 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:42:06,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:42:06,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:42:06,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:42:06,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:42:06,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:42:06,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:42:06,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:42:06,635 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-19 23:42:06,661 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:42:06,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:42:06,664 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:42:06,664 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:42:06,665 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:42:06,665 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:42:06,665 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:42:06,666 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:42:06,666 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:42:06,667 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:42:06,667 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 23:42:06,667 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:42:06,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:42:06,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:42:06,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:42:06,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:42:06,668 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:42:06,668 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:42:06,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:42:06,668 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:42:06,668 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:42:06,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:42:06,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:42:06,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:42:06,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:42:06,669 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 23:42:06,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 23:42:06,670 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:42:06,670 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:42:06,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:42:06,670 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5df375afe9fb68708289d9f3c6788a2547ede1538b0aa584ee561e48e9fb4c63 [2022-07-19 23:42:06,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:42:06,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:42:06,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:42:06,923 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:42:06,923 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:42:06,924 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2022-07-19 23:42:06,969 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ebbae7b4/974583fe3619430ab624c06f2d7da3c3/FLAG6df55abd2 [2022-07-19 23:42:07,713 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:42:07,716 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2022-07-19 23:42:07,754 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ebbae7b4/974583fe3619430ab624c06f2d7da3c3/FLAG6df55abd2 [2022-07-19 23:42:07,992 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ebbae7b4/974583fe3619430ab624c06f2d7da3c3 [2022-07-19 23:42:07,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:42:07,996 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:42:08,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:42:08,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:42:08,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:42:08,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:42:07" (1/1) ... [2022-07-19 23:42:08,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a51f1d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:42:08, skipping insertion in model container [2022-07-19 23:42:08,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:42:07" (1/1) ... [2022-07-19 23:42:08,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:42:08,111 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:42:09,172 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[209494,209507] [2022-07-19 23:42:10,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:42:10,417 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:42:10,547 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[209494,209507] [2022-07-19 23:42:10,640 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: eeprom_val = (unsigned int )eeprom_val & 255U [9309] 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: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) [2022-07-19 23:42:10,645 INFO L158 Benchmark]: Toolchain (without parser) took 2647.49ms. Allocated memory was 98.6MB in the beginning and 207.6MB in the end (delta: 109.1MB). Free memory was 62.0MB in the beginning and 104.2MB in the end (delta: -42.2MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. [2022-07-19 23:42:10,645 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 98.6MB. Free memory is still 76.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 23:42:10,646 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2638.64ms. Allocated memory was 98.6MB in the beginning and 207.6MB in the end (delta: 109.1MB). Free memory was 61.6MB in the beginning and 104.2MB in the end (delta: -42.6MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. [2022-07-19 23:42:10,648 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 98.6MB. Free memory is still 76.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2638.64ms. Allocated memory was 98.6MB in the beginning and 207.6MB in the end (delta: 109.1MB). Free memory was 61.6MB in the beginning and 104.2MB in the end (delta: -42.6MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: eeprom_val = (unsigned int )eeprom_val & 255U [9309] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: eeprom_val = (unsigned int )eeprom_val & 255U [9309]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5df375afe9fb68708289d9f3c6788a2547ede1538b0aa584ee561e48e9fb4c63 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 23:42:12,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:42:12,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:42:12,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:42:12,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:42:12,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:42:12,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:42:12,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:42:12,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:42:12,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:42:12,563 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:42:12,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:42:12,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:42:12,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:42:12,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:42:12,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:42:12,575 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:42:12,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:42:12,578 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:42:12,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:42:12,589 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:42:12,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:42:12,591 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:42:12,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:42:12,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:42:12,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:42:12,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:42:12,604 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:42:12,605 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:42:12,606 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:42:12,606 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:42:12,606 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:42:12,607 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:42:12,608 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:42:12,609 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:42:12,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:42:12,611 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:42:12,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:42:12,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:42:12,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:42:12,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:42:12,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:42:12,614 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-19 23:42:12,640 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:42:12,641 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:42:12,641 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:42:12,641 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:42:12,642 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:42:12,642 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:42:12,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:42:12,642 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:42:12,643 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:42:12,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:42:12,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:42:12,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:42:12,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:42:12,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:42:12,644 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-19 23:42:12,644 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-19 23:42:12,644 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-19 23:42:12,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:42:12,645 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:42:12,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:42:12,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:42:12,645 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:42:12,645 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:42:12,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:42:12,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:42:12,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:42:12,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:42:12,646 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-19 23:42:12,646 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-19 23:42:12,646 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:42:12,647 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:42:12,647 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:42:12,647 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-19 23:42:12,647 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5df375afe9fb68708289d9f3c6788a2547ede1538b0aa584ee561e48e9fb4c63 [2022-07-19 23:42:12,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:42:12,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:42:12,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:42:12,937 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:42:12,937 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:42:12,938 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2022-07-19 23:42:13,006 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/989a4763e/ac8d9a0602a4454397f4b8a3467d2533/FLAGb90823cd2 [2022-07-19 23:42:13,696 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:42:13,696 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2022-07-19 23:42:13,749 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/989a4763e/ac8d9a0602a4454397f4b8a3467d2533/FLAGb90823cd2 [2022-07-19 23:42:14,047 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/989a4763e/ac8d9a0602a4454397f4b8a3467d2533 [2022-07-19 23:42:14,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:42:14,050 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:42:14,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:42:14,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:42:14,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:42:14,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:42:14" (1/1) ... [2022-07-19 23:42:14,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28757310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:42:14, skipping insertion in model container [2022-07-19 23:42:14,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:42:14" (1/1) ... [2022-07-19 23:42:14,064 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:42:14,298 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:42:15,055 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[209494,209507] [2022-07-19 23:42:15,760 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-19 23:42:15,811 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-19 23:42:15,871 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-19 23:42:16,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:42:16,112 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-19 23:42:16,159 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:42:16,263 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[209494,209507] [2022-07-19 23:42:16,424 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:42:16,452 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:42:16,568 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[209494,209507] [2022-07-19 23:42:16,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:42:16,841 INFO L208 MainTranslator]: Completed translation [2022-07-19 23:42:16,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:42:16 WrapperNode [2022-07-19 23:42:16,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 23:42:16,843 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 23:42:16,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 23:42:16,843 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 23:42:16,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:42:16" (1/1) ... [2022-07-19 23:42:16,942 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:42:16" (1/1) ... [2022-07-19 23:42:17,198 INFO L137 Inliner]: procedures = 397, calls = 4296, calls flagged for inlining = 180, calls inlined = 177, statements flattened = 7899 [2022-07-19 23:42:17,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 23:42:17,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 23:42:17,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 23:42:17,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 23:42:17,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:42:16" (1/1) ... [2022-07-19 23:42:17,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:42:16" (1/1) ... [2022-07-19 23:42:17,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:42:16" (1/1) ... [2022-07-19 23:42:17,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:42:16" (1/1) ... [2022-07-19 23:42:17,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:42:16" (1/1) ... [2022-07-19 23:42:17,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:42:16" (1/1) ... [2022-07-19 23:42:17,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:42:16" (1/1) ... [2022-07-19 23:42:17,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 23:42:17,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 23:42:17,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 23:42:17,549 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 23:42:17,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:42:16" (1/1) ... [2022-07-19 23:42:17,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:42:17,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:42:17,569 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) [2022-07-19 23:42:17,597 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 [2022-07-19 23:42:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2022-07-19 23:42:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2022-07-19 23:42:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-07-19 23:42:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-07-19 23:42:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2022-07-19 23:42:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2022-07-19 23:42:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2022-07-19 23:42:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2022-07-19 23:42:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-19 23:42:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-19 23:42:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-19 23:42:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-19 23:42:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2022-07-19 23:42:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2022-07-19 23:42:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2022-07-19 23:42:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2022-07-19 23:42:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-07-19 23:42:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-07-19 23:42:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_writereg [2022-07-19 23:42:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_writereg [2022-07-19 23:42:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-07-19 23:42:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-07-19 23:42:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_generic_frame_duration [2022-07-19 23:42:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_generic_frame_duration [2022-07-19 23:42:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-19 23:42:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-19 23:42:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2022-07-19 23:42:17,610 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2022-07-19 23:42:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-19 23:42:17,610 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-19 23:42:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-19 23:42:17,611 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-19 23:42:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2022-07-19 23:42:17,611 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2022-07-19 23:42:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2022-07-19 23:42:17,611 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2022-07-19 23:42:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2022-07-19 23:42:17,612 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2022-07-19 23:42:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2022-07-19 23:42:17,612 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2022-07-19 23:42:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2022-07-19 23:42:17,612 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2022-07-19 23:42:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-07-19 23:42:17,613 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2022-07-19 23:42:17,613 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2022-07-19 23:42:17,613 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-19 23:42:17,613 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-19 23:42:17,614 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-19 23:42:17,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-19 23:42:17,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 23:42:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2022-07-19 23:42:17,615 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2022-07-19 23:42:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-19 23:42:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-19 23:42:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-19 23:42:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-19 23:42:17,616 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2022-07-19 23:42:17,616 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2022-07-19 23:42:17,616 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-19 23:42:17,616 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-19 23:42:17,616 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2022-07-19 23:42:17,616 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2022-07-19 23:42:17,616 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2022-07-19 23:42:17,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2022-07-19 23:42:17,617 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-19 23:42:17,617 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-19 23:42:17,617 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-19 23:42:17,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-19 23:42:17,617 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2022-07-19 23:42:17,618 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2022-07-19 23:42:17,618 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2022-07-19 23:42:17,618 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2022-07-19 23:42:17,618 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-19 23:42:17,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-19 23:42:17,618 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2022-07-19 23:42:17,618 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2022-07-19 23:42:17,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-19 23:42:17,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-19 23:42:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-07-19 23:42:17,619 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-07-19 23:42:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-19 23:42:17,619 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-19 23:42:17,620 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2022-07-19 23:42:17,620 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2022-07-19 23:42:17,620 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2022-07-19 23:42:17,620 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2022-07-19 23:42:17,620 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-19 23:42:17,621 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-19 23:42:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-19 23:42:17,621 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-19 23:42:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2022-07-19 23:42:17,621 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2022-07-19 23:42:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2022-07-19 23:42:17,621 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2022-07-19 23:42:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-07-19 23:42:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2022-07-19 23:42:17,622 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2022-07-19 23:42:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 23:42:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 23:42:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-19 23:42:17,622 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-19 23:42:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-19 23:42:17,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-19 23:42:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2022-07-19 23:42:17,623 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2022-07-19 23:42:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-19 23:42:17,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-19 23:42:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-19 23:42:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-19 23:42:17,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-19 23:42:17,626 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-19 23:42:17,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-19 23:42:17,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-19 23:42:17,627 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2022-07-19 23:42:17,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2022-07-19 23:42:17,628 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_init [2022-07-19 23:42:17,628 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_init [2022-07-19 23:42:17,628 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2022-07-19 23:42:17,632 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2022-07-19 23:42:17,632 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-19 23:42:17,632 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-19 23:42:17,632 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam2 [2022-07-19 23:42:17,632 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam2 [2022-07-19 23:42:17,632 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2022-07-19 23:42:17,632 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2022-07-19 23:42:17,633 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2022-07-19 23:42:17,633 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2022-07-19 23:42:17,633 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2022-07-19 23:42:17,633 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2022-07-19 23:42:17,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-19 23:42:17,633 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_basic_rates [2022-07-19 23:42:17,633 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_basic_rates [2022-07-19 23:42:17,633 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-07-19 23:42:17,633 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-07-19 23:42:17,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 23:42:17,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 23:42:17,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2022-07-19 23:42:17,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2022-07-19 23:42:17,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-19 23:42:17,634 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-19 23:42:17,634 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-19 23:42:17,634 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2022-07-19 23:42:17,634 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2022-07-19 23:42:17,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-19 23:42:17,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-19 23:42:17,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-19 23:42:17,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-19 23:42:17,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-19 23:42:17,635 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_tx [2022-07-19 23:42:17,635 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_tx [2022-07-19 23:42:17,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-19 23:42:17,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-19 23:42:17,636 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2022-07-19 23:42:17,636 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2022-07-19 23:42:17,636 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-19 23:42:17,636 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-19 23:42:17,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2022-07-19 23:42:17,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2022-07-19 23:42:17,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_4 [2022-07-19 23:42:17,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_4 [2022-07-19 23:42:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_3 [2022-07-19 23:42:17,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_3 [2022-07-19 23:42:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_8 [2022-07-19 23:42:17,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_8 [2022-07-19 23:42:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2022-07-19 23:42:17,637 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2022-07-19 23:42:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_7 [2022-07-19 23:42:17,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_7 [2022-07-19 23:42:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_6 [2022-07-19 23:42:17,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_6 [2022-07-19 23:42:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2022-07-19 23:42:17,638 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2022-07-19 23:42:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2022-07-19 23:42:17,638 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2022-07-19 23:42:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_set_channel [2022-07-19 23:42:17,638 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_set_channel [2022-07-19 23:42:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-19 23:42:17,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-19 23:42:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-19 23:42:17,639 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-19 23:42:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2022-07-19 23:42:17,639 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2022-07-19 23:42:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-19 23:42:17,640 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-19 23:42:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-07-19 23:42:17,640 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-07-19 23:42:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-19 23:42:17,640 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-19 23:42:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_int_disable [2022-07-19 23:42:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_int_disable [2022-07-19 23:42:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-19 23:42:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-19 23:42:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2022-07-19 23:42:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2022-07-19 23:42:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 23:42:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2022-07-19 23:42:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2022-07-19 23:42:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-19 23:42:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_stop [2022-07-19 23:42:17,642 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_stop [2022-07-19 23:42:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-07-19 23:42:17,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-07-19 23:42:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-19 23:42:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-19 23:42:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-19 23:42:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-19 23:42:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 23:42:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_init [2022-07-19 23:42:17,643 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_init [2022-07-19 23:42:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-19 23:42:17,643 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-19 23:42:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___skb_dequeue_14 [2022-07-19 23:42:17,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___skb_dequeue_14 [2022-07-19 23:42:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2022-07-19 23:42:17,643 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2022-07-19 23:42:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-19 23:42:17,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-19 23:42:17,644 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2022-07-19 23:42:17,644 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2022-07-19 23:42:17,644 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_readreg [2022-07-19 23:42:17,644 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_readreg [2022-07-19 23:42:17,644 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2022-07-19 23:42:17,645 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2022-07-19 23:42:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-19 23:42:17,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-19 23:42:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-07-19 23:42:17,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-07-19 23:42:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2022-07-19 23:42:17,645 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2022-07-19 23:42:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_rx [2022-07-19 23:42:17,645 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_rx [2022-07-19 23:42:17,646 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2022-07-19 23:42:17,646 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2022-07-19 23:42:17,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-19 23:42:17,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-19 23:42:17,647 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2022-07-19 23:42:17,649 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2022-07-19 23:42:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-19 23:42:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-19 23:42:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-19 23:42:17,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-19 23:42:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2022-07-19 23:42:17,650 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2022-07-19 23:42:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2022-07-19 23:42:17,650 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2022-07-19 23:42:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_conf_ac_parm [2022-07-19 23:42:17,651 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_conf_ac_parm [2022-07-19 23:42:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-19 23:42:17,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-19 23:42:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_RXCB [2022-07-19 23:42:17,651 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_RXCB [2022-07-19 23:42:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-07-19 23:42:17,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-07-19 23:42:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_stop [2022-07-19 23:42:17,652 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_stop [2022-07-19 23:42:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-19 23:42:17,652 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-19 23:42:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2022-07-19 23:42:17,652 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2022-07-19 23:42:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-19 23:42:17,652 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-19 23:42:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-19 23:42:17,653 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-19 23:42:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2022-07-19 23:42:17,653 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2022-07-19 23:42:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2022-07-19 23:42:17,653 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2022-07-19 23:42:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2022-07-19 23:42:17,653 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2022-07-19 23:42:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_three_wire_io [2022-07-19 23:42:17,653 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_three_wire_io [2022-07-19 23:42:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2022-07-19 23:42:17,654 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2022-07-19 23:42:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2022-07-19 23:42:17,654 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2022-07-19 23:42:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-07-19 23:42:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-19 23:42:17,654 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-19 23:42:18,588 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 23:42:18,591 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 23:42:20,905 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-19 23:43:05,789 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 23:43:05,821 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 23:43:05,821 INFO L299 CfgBuilder]: Removed 81 assume(true) statements. [2022-07-19 23:43:05,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:43:05 BoogieIcfgContainer [2022-07-19 23:43:05,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 23:43:05,828 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 23:43:05,828 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 23:43:05,831 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 23:43:05,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:42:14" (1/3) ... [2022-07-19 23:43:05,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@291e7511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:43:05, skipping insertion in model container [2022-07-19 23:43:05,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:42:16" (2/3) ... [2022-07-19 23:43:05,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@291e7511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:43:05, skipping insertion in model container [2022-07-19 23:43:05,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:43:05" (3/3) ... [2022-07-19 23:43:05,837 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2022-07-19 23:43:05,854 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 23:43:05,854 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 23:43:05,935 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 23:43:05,940 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@cc9407b, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@34a13c35 [2022-07-19 23:43:05,940 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 23:43:05,952 INFO L276 IsEmpty]: Start isEmpty. Operand has 3635 states, 2087 states have (on average 1.3143267848586488) internal successors, (2743), 2242 states have internal predecessors, (2743), 1503 states have call successors, (1503), 122 states have call predecessors, (1503), 121 states have return successors, (1489), 1454 states have call predecessors, (1489), 1489 states have call successors, (1489) [2022-07-19 23:43:05,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-07-19 23:43:05,980 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:43:05,980 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:43:05,982 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:43:05,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:43:05,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1146511857, now seen corresponding path program 1 times [2022-07-19 23:43:06,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:43:06,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [719354095] [2022-07-19 23:43:06,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:43:06,005 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:43:06,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:43:06,021 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) [2022-07-19 23:43:06,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-19 23:43:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:14,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 3596 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-19 23:43:14,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:43:15,023 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-07-19 23:43:15,035 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:43:15,036 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:43:15,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [719354095] [2022-07-19 23:43:15,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [719354095] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:43:15,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:43:15,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 23:43:15,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373239386] [2022-07-19 23:43:15,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:43:15,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 23:43:15,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:43:15,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 23:43:15,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 23:43:15,069 INFO L87 Difference]: Start difference. First operand has 3635 states, 2087 states have (on average 1.3143267848586488) internal successors, (2743), 2242 states have internal predecessors, (2743), 1503 states have call successors, (1503), 122 states have call predecessors, (1503), 121 states have return successors, (1489), 1454 states have call predecessors, (1489), 1489 states have call successors, (1489) Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-19 23:43:15,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:43:15,478 INFO L93 Difference]: Finished difference Result 7034 states and 11155 transitions. [2022-07-19 23:43:15,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 23:43:15,481 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 78 [2022-07-19 23:43:15,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:43:15,518 INFO L225 Difference]: With dead ends: 7034 [2022-07-19 23:43:15,518 INFO L226 Difference]: Without dead ends: 3380 [2022-07-19 23:43:15,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:43:15,547 INFO L413 NwaCegarLoop]: 5253 mSDtfsCounter, 2 mSDsluCounter, 10500 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 15753 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 23:43:15,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 15753 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 23:43:15,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3380 states. [2022-07-19 23:43:15,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3380 to 3380. [2022-07-19 23:43:15,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3380 states, 1847 states have (on average 1.2994044396318354) internal successors, (2400), 1918 states have internal predecessors, (2400), 1411 states have call successors, (1411), 121 states have call predecessors, (1411), 121 states have return successors, (1412), 1375 states have call predecessors, (1412), 1410 states have call successors, (1412) [2022-07-19 23:43:15,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3380 states to 3380 states and 5223 transitions. [2022-07-19 23:43:15,939 INFO L78 Accepts]: Start accepts. Automaton has 3380 states and 5223 transitions. Word has length 78 [2022-07-19 23:43:15,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:43:15,940 INFO L495 AbstractCegarLoop]: Abstraction has 3380 states and 5223 transitions. [2022-07-19 23:43:15,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-19 23:43:15,940 INFO L276 IsEmpty]: Start isEmpty. Operand 3380 states and 5223 transitions. [2022-07-19 23:43:15,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-07-19 23:43:15,944 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:43:15,944 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:43:16,137 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-19 23:43:16,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:43:16,168 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:43:16,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:43:16,168 INFO L85 PathProgramCache]: Analyzing trace with hash -485676745, now seen corresponding path program 1 times [2022-07-19 23:43:16,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:43:16,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1005549855] [2022-07-19 23:43:16,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:43:16,172 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:43:16,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:43:16,173 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) [2022-07-19 23:43:16,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-19 23:43:24,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:24,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 3618 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 23:43:24,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:43:24,920 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2022-07-19 23:43:24,920 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 23:43:25,427 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-07-19 23:43:25,428 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:43:25,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1005549855] [2022-07-19 23:43:25,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1005549855] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 23:43:25,428 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-19 23:43:25,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-19 23:43:25,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659622258] [2022-07-19 23:43:25,429 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-19 23:43:25,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-19 23:43:25,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:43:25,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-19 23:43:25,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-19 23:43:25,430 INFO L87 Difference]: Start difference. First operand 3380 states and 5223 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-19 23:43:26,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:43:26,600 INFO L93 Difference]: Finished difference Result 6752 states and 10455 transitions. [2022-07-19 23:43:26,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-19 23:43:26,601 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 80 [2022-07-19 23:43:26,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:43:26,624 INFO L225 Difference]: With dead ends: 6752 [2022-07-19 23:43:26,624 INFO L226 Difference]: Without dead ends: 3391 [2022-07-19 23:43:26,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-07-19 23:43:26,642 INFO L413 NwaCegarLoop]: 5214 mSDtfsCounter, 14 mSDsluCounter, 15632 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 20846 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 23:43:26,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 20846 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 23:43:26,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3391 states. [2022-07-19 23:43:26,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3391 to 3389. [2022-07-19 23:43:26,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3389 states, 1855 states have (on average 1.3013477088948786) internal successors, (2414), 1926 states have internal predecessors, (2414), 1411 states have call successors, (1411), 122 states have call predecessors, (1411), 122 states have return successors, (1412), 1375 states have call predecessors, (1412), 1410 states have call successors, (1412) [2022-07-19 23:43:26,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3389 states to 3389 states and 5237 transitions. [2022-07-19 23:43:26,773 INFO L78 Accepts]: Start accepts. Automaton has 3389 states and 5237 transitions. Word has length 80 [2022-07-19 23:43:26,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:43:26,775 INFO L495 AbstractCegarLoop]: Abstraction has 3389 states and 5237 transitions. [2022-07-19 23:43:26,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-19 23:43:26,776 INFO L276 IsEmpty]: Start isEmpty. Operand 3389 states and 5237 transitions. [2022-07-19 23:43:26,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-07-19 23:43:26,778 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:43:26,779 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:43:26,878 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-19 23:43:26,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:43:26,994 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:43:26,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:43:26,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1364713071, now seen corresponding path program 2 times [2022-07-19 23:43:26,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:43:26,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1924620806] [2022-07-19 23:43:26,997 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-19 23:43:26,997 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:43:26,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:43:27,000 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) [2022-07-19 23:43:27,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-19 23:43:34,654 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-19 23:43:34,654 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-19 23:43:34,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 3462 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 23:43:34,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:43:35,669 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-07-19 23:43:35,669 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:43:35,669 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:43:35,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1924620806] [2022-07-19 23:43:35,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1924620806] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:43:35,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:43:35,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 23:43:35,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917896406] [2022-07-19 23:43:35,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:43:35,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 23:43:35,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:43:35,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 23:43:35,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:43:35,670 INFO L87 Difference]: Start difference. First operand 3389 states and 5237 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-19 23:43:36,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:43:36,688 INFO L93 Difference]: Finished difference Result 10104 states and 15692 transitions. [2022-07-19 23:43:36,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 23:43:36,689 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 84 [2022-07-19 23:43:36,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:43:36,742 INFO L225 Difference]: With dead ends: 10104 [2022-07-19 23:43:36,742 INFO L226 Difference]: Without dead ends: 6740 [2022-07-19 23:43:36,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-19 23:43:36,770 INFO L413 NwaCegarLoop]: 6650 mSDtfsCounter, 5184 mSDsluCounter, 18516 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5184 SdHoareTripleChecker+Valid, 25166 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 23:43:36,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5184 Valid, 25166 Invalid, 43 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 23:43:36,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6740 states. [2022-07-19 23:43:37,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6740 to 6736. [2022-07-19 23:43:37,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6736 states, 3680 states have (on average 1.3013586956521739) internal successors, (4789), 3822 states have internal predecessors, (4789), 2812 states have call successors, (2812), 242 states have call predecessors, (2812), 243 states have return successors, (2855), 2741 states have call predecessors, (2855), 2811 states have call successors, (2855) [2022-07-19 23:43:37,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6736 states to 6736 states and 10456 transitions. [2022-07-19 23:43:37,154 INFO L78 Accepts]: Start accepts. Automaton has 6736 states and 10456 transitions. Word has length 84 [2022-07-19 23:43:37,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:43:37,155 INFO L495 AbstractCegarLoop]: Abstraction has 6736 states and 10456 transitions. [2022-07-19 23:43:37,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-19 23:43:37,156 INFO L276 IsEmpty]: Start isEmpty. Operand 6736 states and 10456 transitions. [2022-07-19 23:43:37,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-07-19 23:43:37,171 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:43:37,171 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:43:37,297 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-07-19 23:43:37,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:43:37,400 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:43:37,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:43:37,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1194691794, now seen corresponding path program 1 times [2022-07-19 23:43:37,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:43:37,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1070157465] [2022-07-19 23:43:37,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:43:37,403 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:43:37,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:43:37,405 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) [2022-07-19 23:43:37,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-19 23:43:48,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:48,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 3951 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-19 23:43:48,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:43:49,031 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 59 proven. 3 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-07-19 23:43:49,031 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 23:43:49,751 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-07-19 23:43:49,752 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:43:49,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1070157465] [2022-07-19 23:43:49,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1070157465] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 23:43:49,752 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-19 23:43:49,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-07-19 23:43:49,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973279870] [2022-07-19 23:43:49,753 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-19 23:43:49,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-19 23:43:49,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:43:49,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-19 23:43:49,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-19 23:43:49,754 INFO L87 Difference]: Start difference. First operand 6736 states and 10456 transitions. Second operand has 10 states, 10 states have (on average 13.3) internal successors, (133), 10 states have internal predecessors, (133), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-19 23:43:51,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:43:51,692 INFO L93 Difference]: Finished difference Result 13463 states and 20951 transitions. [2022-07-19 23:43:51,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 23:43:51,694 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.3) internal successors, (133), 10 states have internal predecessors, (133), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 161 [2022-07-19 23:43:51,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:43:51,748 INFO L225 Difference]: With dead ends: 13463 [2022-07-19 23:43:51,748 INFO L226 Difference]: Without dead ends: 6756 [2022-07-19 23:43:51,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=113, Invalid=193, Unknown=0, NotChecked=0, Total=306 [2022-07-19 23:43:51,788 INFO L413 NwaCegarLoop]: 5214 mSDtfsCounter, 43 mSDsluCounter, 15639 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 20853 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-19 23:43:51,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 20853 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-19 23:43:51,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6756 states. [2022-07-19 23:43:52,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6756 to 6748. [2022-07-19 23:43:52,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6748 states, 3691 states have (on average 1.302898943375779) internal successors, (4809), 3833 states have internal predecessors, (4809), 2812 states have call successors, (2812), 243 states have call predecessors, (2812), 244 states have return successors, (2855), 2741 states have call predecessors, (2855), 2811 states have call successors, (2855) [2022-07-19 23:43:52,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6748 states to 6748 states and 10476 transitions. [2022-07-19 23:43:52,081 INFO L78 Accepts]: Start accepts. Automaton has 6748 states and 10476 transitions. Word has length 161 [2022-07-19 23:43:52,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:43:52,081 INFO L495 AbstractCegarLoop]: Abstraction has 6748 states and 10476 transitions. [2022-07-19 23:43:52,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.3) internal successors, (133), 10 states have internal predecessors, (133), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-19 23:43:52,082 INFO L276 IsEmpty]: Start isEmpty. Operand 6748 states and 10476 transitions. [2022-07-19 23:43:52,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-07-19 23:43:52,091 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:43:52,092 INFO L195 NwaCegarLoop]: trace histogram [10, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:43:52,220 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-19 23:43:52,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:43:52,319 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:43:52,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:43:52,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1888228334, now seen corresponding path program 2 times [2022-07-19 23:43:52,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:43:52,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [513264594] [2022-07-19 23:43:52,323 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-19 23:43:52,323 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:43:52,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:43:52,325 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) [2022-07-19 23:43:52,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-19 23:44:00,518 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-19 23:44:00,518 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-19 23:44:00,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 3475 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-19 23:44:00,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:44:01,082 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-07-19 23:44:01,082 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:44:01,082 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:44:01,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [513264594] [2022-07-19 23:44:01,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [513264594] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:44:01,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:44:01,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 23:44:01,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596541684] [2022-07-19 23:44:01,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:44:01,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 23:44:01,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:44:01,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 23:44:01,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 23:44:01,083 INFO L87 Difference]: Start difference. First operand 6748 states and 10476 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-07-19 23:44:04,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:44:04,142 INFO L93 Difference]: Finished difference Result 20176 states and 31326 transitions. [2022-07-19 23:44:04,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 23:44:04,142 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 165 [2022-07-19 23:44:04,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:44:04,217 INFO L225 Difference]: With dead ends: 20176 [2022-07-19 23:44:04,218 INFO L226 Difference]: Without dead ends: 13468 [2022-07-19 23:44:04,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-07-19 23:44:04,252 INFO L413 NwaCegarLoop]: 9047 mSDtfsCounter, 7302 mSDsluCounter, 30313 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 636 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7302 SdHoareTripleChecker+Valid, 39360 SdHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 636 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-19 23:44:04,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7302 Valid, 39360 Invalid, 835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [636 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-19 23:44:04,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13468 states. [2022-07-19 23:44:04,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13468 to 13448. [2022-07-19 23:44:04,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13448 states, 7347 states have (on average 1.3024363685858174) internal successors, (9569), 7635 states have internal predecessors, (9569), 5614 states have call successors, (5614), 483 states have call predecessors, (5614), 486 states have return successors, (5701), 5469 states have call predecessors, (5701), 5613 states have call successors, (5701) [2022-07-19 23:44:05,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13448 states to 13448 states and 20884 transitions. [2022-07-19 23:44:05,007 INFO L78 Accepts]: Start accepts. Automaton has 13448 states and 20884 transitions. Word has length 165 [2022-07-19 23:44:05,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:44:05,009 INFO L495 AbstractCegarLoop]: Abstraction has 13448 states and 20884 transitions. [2022-07-19 23:44:05,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-07-19 23:44:05,009 INFO L276 IsEmpty]: Start isEmpty. Operand 13448 states and 20884 transitions. [2022-07-19 23:44:05,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-07-19 23:44:05,023 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:44:05,024 INFO L195 NwaCegarLoop]: trace histogram [10, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:44:05,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-19 23:44:05,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:44:05,239 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:44:05,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:44:05,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1465526508, now seen corresponding path program 1 times [2022-07-19 23:44:05,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:44:05,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1378785220] [2022-07-19 23:44:05,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:44:05,243 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:44:05,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:44:05,260 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) [2022-07-19 23:44:05,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-19 23:44:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 3993 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-19 23:44:15,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:44:15,996 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 83 proven. 21 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-07-19 23:44:15,997 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 23:44:17,827 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 37 proven. 30 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-07-19 23:44:17,827 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:44:17,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1378785220] [2022-07-19 23:44:17,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1378785220] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 23:44:17,828 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-19 23:44:17,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2022-07-19 23:44:17,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178093915] [2022-07-19 23:44:17,828 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-19 23:44:17,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-07-19 23:44:17,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:44:17,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-07-19 23:44:17,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2022-07-19 23:44:17,829 INFO L87 Difference]: Start difference. First operand 13448 states and 20884 transitions. Second operand has 18 states, 18 states have (on average 7.833333333333333) internal successors, (141), 18 states have internal predecessors, (141), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-19 23:44:22,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:44:22,873 INFO L93 Difference]: Finished difference Result 26948 states and 41959 transitions. [2022-07-19 23:44:22,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-07-19 23:44:22,874 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 7.833333333333333) internal successors, (141), 18 states have internal predecessors, (141), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 165 [2022-07-19 23:44:22,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:44:22,970 INFO L225 Difference]: With dead ends: 26948 [2022-07-19 23:44:22,970 INFO L226 Difference]: Without dead ends: 13520 [2022-07-19 23:44:23,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=250, Invalid=742, Unknown=0, NotChecked=0, Total=992 [2022-07-19 23:44:23,012 INFO L413 NwaCegarLoop]: 5218 mSDtfsCounter, 96 mSDsluCounter, 52133 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 57351 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-19 23:44:23,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 57351 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-19 23:44:23,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13520 states. [2022-07-19 23:44:23,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13520 to 13468. [2022-07-19 23:44:23,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13468 states, 7367 states have (on average 1.303922899416316) internal successors, (9606), 7655 states have internal predecessors, (9606), 5614 states have call successors, (5614), 483 states have call predecessors, (5614), 486 states have return successors, (5701), 5469 states have call predecessors, (5701), 5613 states have call successors, (5701) [2022-07-19 23:44:23,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13468 states to 13468 states and 20921 transitions. [2022-07-19 23:44:23,867 INFO L78 Accepts]: Start accepts. Automaton has 13468 states and 20921 transitions. Word has length 165 [2022-07-19 23:44:23,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:44:23,867 INFO L495 AbstractCegarLoop]: Abstraction has 13468 states and 20921 transitions. [2022-07-19 23:44:23,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.833333333333333) internal successors, (141), 18 states have internal predecessors, (141), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-19 23:44:23,868 INFO L276 IsEmpty]: Start isEmpty. Operand 13468 states and 20921 transitions. [2022-07-19 23:44:23,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-07-19 23:44:23,884 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:44:23,884 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:44:24,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-19 23:44:24,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:44:24,103 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:44:24,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:44:24,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1785686708, now seen corresponding path program 2 times [2022-07-19 23:44:24,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:44:24,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [74233688] [2022-07-19 23:44:24,109 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-19 23:44:24,109 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:44:24,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:44:24,111 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 23:44:24,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-19 23:44:32,177 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-19 23:44:32,178 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-19 23:44:32,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 3473 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-19 23:44:32,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:44:33,795 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-07-19 23:44:33,796 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:44:33,796 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:44:33,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [74233688] [2022-07-19 23:44:33,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [74233688] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:44:33,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:44:33,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-19 23:44:33,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123382295] [2022-07-19 23:44:33,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:44:33,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-19 23:44:33,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:44:33,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-19 23:44:33,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-07-19 23:44:33,797 INFO L87 Difference]: Start difference. First operand 13468 states and 20921 transitions. Second operand has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 8 states have internal predecessors, (98), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (16), 4 states have call predecessors, (16), 1 states have call successors, (16) [2022-07-19 23:44:35,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:44:35,824 INFO L93 Difference]: Finished difference Result 31038 states and 48501 transitions. [2022-07-19 23:44:35,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-19 23:44:35,825 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 8 states have internal predecessors, (98), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (16), 4 states have call predecessors, (16), 1 states have call successors, (16) Word has length 167 [2022-07-19 23:44:35,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:44:36,101 INFO L225 Difference]: With dead ends: 31038 [2022-07-19 23:44:36,101 INFO L226 Difference]: Without dead ends: 17614 [2022-07-19 23:44:36,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-07-19 23:44:36,151 INFO L413 NwaCegarLoop]: 6824 mSDtfsCounter, 1010 mSDsluCounter, 60048 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1334 SdHoareTripleChecker+Valid, 66872 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-19 23:44:36,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1334 Valid, 66872 Invalid, 153 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-19 23:44:36,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17614 states. [2022-07-19 23:44:36,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17614 to 13540. [2022-07-19 23:44:36,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13540 states, 7425 states have (on average 1.3034343434343434) internal successors, (9678), 7715 states have internal predecessors, (9678), 5614 states have call successors, (5614), 483 states have call predecessors, (5614), 500 states have return successors, (5800), 5481 states have call predecessors, (5800), 5613 states have call successors, (5800) [2022-07-19 23:44:36,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13540 states to 13540 states and 21092 transitions. [2022-07-19 23:44:36,993 INFO L78 Accepts]: Start accepts. Automaton has 13540 states and 21092 transitions. Word has length 167 [2022-07-19 23:44:36,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:44:36,994 INFO L495 AbstractCegarLoop]: Abstraction has 13540 states and 21092 transitions. [2022-07-19 23:44:36,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 8 states have internal predecessors, (98), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (16), 4 states have call predecessors, (16), 1 states have call successors, (16) [2022-07-19 23:44:36,994 INFO L276 IsEmpty]: Start isEmpty. Operand 13540 states and 21092 transitions. [2022-07-19 23:44:37,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-07-19 23:44:37,009 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:44:37,010 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:44:37,132 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-19 23:44:37,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:44:37,223 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:44:37,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:44:37,224 INFO L85 PathProgramCache]: Analyzing trace with hash -86965722, now seen corresponding path program 1 times [2022-07-19 23:44:37,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:44:37,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [824948884] [2022-07-19 23:44:37,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:44:37,227 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:44:37,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:44:37,231 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 23:44:37,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-19 23:44:48,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:49,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 4041 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:44:49,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:44:49,425 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2022-07-19 23:44:49,425 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:44:49,426 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:44:49,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [824948884] [2022-07-19 23:44:49,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [824948884] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:44:49,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:44:49,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:44:49,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651886439] [2022-07-19 23:44:49,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:44:49,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:44:49,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:44:49,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:44:49,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:44:49,427 INFO L87 Difference]: Start difference. First operand 13540 states and 21092 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-19 23:44:50,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:44:50,789 INFO L93 Difference]: Finished difference Result 36828 states and 57568 transitions. [2022-07-19 23:44:50,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:44:50,789 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 174 [2022-07-19 23:44:50,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:44:51,008 INFO L225 Difference]: With dead ends: 36828 [2022-07-19 23:44:51,008 INFO L226 Difference]: Without dead ends: 23324 [2022-07-19 23:44:51,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:44:51,058 INFO L413 NwaCegarLoop]: 6341 mSDtfsCounter, 3833 mSDsluCounter, 5124 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3833 SdHoareTripleChecker+Valid, 11465 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-19 23:44:51,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3833 Valid, 11465 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-19 23:44:51,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23324 states. [2022-07-19 23:44:52,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23324 to 23248. [2022-07-19 23:44:52,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23248 states, 12311 states have (on average 1.3014377386077491) internal successors, (16022), 12771 states have internal predecessors, (16022), 10058 states have call successors, (10058), 859 states have call predecessors, (10058), 878 states have return successors, (10287), 9865 states have call predecessors, (10287), 10057 states have call successors, (10287) [2022-07-19 23:44:52,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23248 states to 23248 states and 36367 transitions. [2022-07-19 23:44:52,328 INFO L78 Accepts]: Start accepts. Automaton has 23248 states and 36367 transitions. Word has length 174 [2022-07-19 23:44:52,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:44:52,328 INFO L495 AbstractCegarLoop]: Abstraction has 23248 states and 36367 transitions. [2022-07-19 23:44:52,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-19 23:44:52,329 INFO L276 IsEmpty]: Start isEmpty. Operand 23248 states and 36367 transitions. [2022-07-19 23:44:52,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-07-19 23:44:52,341 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:44:52,341 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:44:52,454 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-07-19 23:44:52,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:44:52,555 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:44:52,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:44:52,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1317364566, now seen corresponding path program 1 times [2022-07-19 23:44:52,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:44:52,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [65460459] [2022-07-19 23:44:52,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:44:52,559 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:44:52,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:44:52,580 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 23:44:52,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-19 23:45:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:45:03,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 4283 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 23:45:03,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:45:05,809 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2022-07-19 23:45:05,809 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:45:05,809 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:45:05,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [65460459] [2022-07-19 23:45:05,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [65460459] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:45:05,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:45:05,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 23:45:05,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657755240] [2022-07-19 23:45:05,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:45:05,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 23:45:05,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:45:05,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 23:45:05,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:45:05,811 INFO L87 Difference]: Start difference. First operand 23248 states and 36367 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-19 23:45:56,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:45:56,040 INFO L93 Difference]: Finished difference Result 69676 states and 109121 transitions. [2022-07-19 23:45:56,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 23:45:56,041 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 186 [2022-07-19 23:45:56,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:45:56,278 INFO L225 Difference]: With dead ends: 69676 [2022-07-19 23:45:56,278 INFO L226 Difference]: Without dead ends: 46472 [2022-07-19 23:45:56,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-19 23:45:56,384 INFO L413 NwaCegarLoop]: 6654 mSDtfsCounter, 5144 mSDsluCounter, 9912 mSDsCounter, 0 mSdLazyCounter, 5676 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5148 SdHoareTripleChecker+Valid, 16566 SdHoareTripleChecker+Invalid, 5693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 5676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.1s IncrementalHoareTripleChecker+Time [2022-07-19 23:45:56,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5148 Valid, 16566 Invalid, 5693 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 5676 Invalid, 0 Unknown, 0 Unchecked, 48.1s Time] [2022-07-19 23:45:56,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46472 states. [2022-07-19 23:45:59,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46472 to 46464. [2022-07-19 23:45:59,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46464 states, 24595 states have (on average 1.3011587721081521) internal successors, (32002), 25523 states have internal predecessors, (32002), 20106 states have call successors, (20106), 1715 states have call predecessors, (20106), 1762 states have return successors, (20617), 19721 states have call predecessors, (20617), 20105 states have call successors, (20617) [2022-07-19 23:45:59,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46464 states to 46464 states and 72725 transitions. [2022-07-19 23:45:59,575 INFO L78 Accepts]: Start accepts. Automaton has 46464 states and 72725 transitions. Word has length 186 [2022-07-19 23:45:59,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:45:59,575 INFO L495 AbstractCegarLoop]: Abstraction has 46464 states and 72725 transitions. [2022-07-19 23:45:59,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-19 23:45:59,576 INFO L276 IsEmpty]: Start isEmpty. Operand 46464 states and 72725 transitions. [2022-07-19 23:45:59,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-07-19 23:45:59,586 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:45:59,586 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:45:59,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-19 23:45:59,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 23:45:59,812 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:45:59,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:45:59,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1776004227, now seen corresponding path program 1 times [2022-07-19 23:45:59,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 23:45:59,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1724559504] [2022-07-19 23:45:59,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:45:59,816 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 23:45:59,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 23:45:59,820 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 23:45:59,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-19 23:46:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:46:11,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 4279 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 23:46:11,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:46:13,873 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2022-07-19 23:46:13,873 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:46:13,873 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 23:46:13,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1724559504] [2022-07-19 23:46:13,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1724559504] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:46:13,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:46:13,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 23:46:13,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99454559] [2022-07-19 23:46:13,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:46:13,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 23:46:13,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 23:46:13,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 23:46:13,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:46:13,874 INFO L87 Difference]: Start difference. First operand 46464 states and 72725 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20)