./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 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-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-?-3598765 [2022-07-21 11:13:37,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:13:37,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:13:37,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:13:37,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:13:37,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:13:37,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:13:37,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:13:37,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:13:37,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:13:37,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:13:37,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:13:37,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:13:37,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:13:37,921 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:13:37,924 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:13:37,925 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:13:37,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:13:37,931 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:13:37,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:13:37,933 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:13:37,934 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:13:37,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:13:37,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:13:37,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:13:37,940 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:13:37,941 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:13:37,941 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:13:37,942 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:13:37,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:13:37,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:13:37,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:13:37,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:13:37,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:13:37,945 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:13:37,946 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:13:37,946 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:13:37,947 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:13:37,947 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:13:37,947 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:13:37,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:13:37,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:13:37,949 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 11:13:37,977 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:13:37,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:13:37,978 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:13:37,978 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:13:37,979 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:13:37,979 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:13:37,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:13:37,980 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:13:37,980 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:13:37,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:13:37,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 11:13:37,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:13:37,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:13:37,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:13:37,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:13:37,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:13:37,981 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:13:37,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:13:37,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:13:37,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:13:37,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:13:37,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:13:37,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:13:37,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:13:37,983 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:13:37,983 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 11:13:37,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 11:13:37,983 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:13:37,983 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:13:37,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:13:37,984 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5df375afe9fb68708289d9f3c6788a2547ede1538b0aa584ee561e48e9fb4c63 [2022-07-21 11:13:38,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:13:38,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:13:38,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:13:38,260 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:13:38,261 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:13:38,262 INFO L432 ainManager$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 [2022-07-21 11:13:38,331 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01621cdbe/5ce7e04372e64d54a7bcd1a688737842/FLAG37d86f9b5 [2022-07-21 11:13:39,015 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:13:39,016 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 [2022-07-21 11:13:39,055 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01621cdbe/5ce7e04372e64d54a7bcd1a688737842/FLAG37d86f9b5 [2022-07-21 11:13:39,372 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01621cdbe/5ce7e04372e64d54a7bcd1a688737842 [2022-07-21 11:13:39,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:13:39,376 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:13:39,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:13:39,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:13:39,383 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:13:39,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:13:39" (1/1) ... [2022-07-21 11:13:39,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26c4a65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:13:39, skipping insertion in model container [2022-07-21 11:13:39,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:13:39" (1/1) ... [2022-07-21 11:13:39,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:13:39,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:13:40,509 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] [2022-07-21 11:13:41,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:13:41,911 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:13:42,040 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] [2022-07-21 11:13:42,174 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) [2022-07-21 11:13:42,181 INFO L158 Benchmark]: Toolchain (without parser) took 2803.45ms. Allocated memory was 62.9MB in the beginning and 138.4MB in the end (delta: 75.5MB). Free memory was 40.5MB in the beginning and 50.5MB in the end (delta: -10.0MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. [2022-07-21 11:13:42,181 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory was 45.4MB in the beginning and 45.4MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 11:13:42,182 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2801.85ms. Allocated memory was 62.9MB in the beginning and 138.4MB in the end (delta: 75.5MB). Free memory was 40.3MB in the beginning and 50.5MB in the end (delta: -10.2MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. [2022-07-21 11:13:42,184 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory was 45.4MB in the beginning and 45.4MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2801.85ms. Allocated memory was 62.9MB in the beginning and 138.4MB in the end (delta: 75.5MB). Free memory was 40.3MB in the beginning and 50.5MB in the end (delta: -10.2MB). Peak memory consumption was 62.0MB. 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-?-3598765 [2022-07-21 11:13:43,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:13:43,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:13:43,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:13:43,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:13:43,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:13:43,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:13:43,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:13:43,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:13:43,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:13:43,703 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:13:43,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:13:43,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:13:43,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:13:43,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:13:43,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:13:43,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:13:43,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:13:43,716 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:13:43,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:13:43,721 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:13:43,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:13:43,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:13:43,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:13:43,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:13:43,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:13:43,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:13:43,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:13:43,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:13:43,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:13:43,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:13:43,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:13:43,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:13:43,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:13:43,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:13:43,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:13:43,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:13:43,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:13:43,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:13:43,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:13:43,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:13:43,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:13:43,743 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 11:13:43,772 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:13:43,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:13:43,773 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:13:43,773 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:13:43,774 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:13:43,774 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:13:43,775 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:13:43,775 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:13:43,775 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:13:43,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:13:43,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:13:43,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:13:43,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:13:43,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:13:43,777 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 11:13:43,777 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 11:13:43,777 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 11:13:43,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:13:43,777 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:13:43,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:13:43,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:13:43,778 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:13:43,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:13:43,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:13:43,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:13:43,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:13:43,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:13:43,779 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 11:13:43,779 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 11:13:43,779 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:13:43,779 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:13:43,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:13:43,780 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 11:13:43,780 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5df375afe9fb68708289d9f3c6788a2547ede1538b0aa584ee561e48e9fb4c63 [2022-07-21 11:13:44,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:13:44,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:13:44,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:13:44,065 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:13:44,066 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:13:44,067 INFO L432 ainManager$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 [2022-07-21 11:13:44,119 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/853a1cfed/5d1dde24f9f648d4a633549547c9a3ab/FLAGcf9d32be6 [2022-07-21 11:13:44,814 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:13:44,815 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 [2022-07-21 11:13:44,867 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/853a1cfed/5d1dde24f9f648d4a633549547c9a3ab/FLAGcf9d32be6 [2022-07-21 11:13:45,359 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/853a1cfed/5d1dde24f9f648d4a633549547c9a3ab [2022-07-21 11:13:45,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:13:45,363 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:13:45,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:13:45,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:13:45,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:13:45,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:13:45" (1/1) ... [2022-07-21 11:13:45,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25ac78e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:13:45, skipping insertion in model container [2022-07-21 11:13:45,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:13:45" (1/1) ... [2022-07-21 11:13:45,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:13:45,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:13:46,796 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] [2022-07-21 11:13:47,836 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-21 11:13:47,931 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-21 11:13:48,007 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-21 11:13:48,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:13:48,324 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 11:13:48,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:13:48,476 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] [2022-07-21 11:13:48,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:13:48,699 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:13:48,810 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] [2022-07-21 11:13:48,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:13:49,202 INFO L208 MainTranslator]: Completed translation [2022-07-21 11:13:49,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:13:49 WrapperNode [2022-07-21 11:13:49,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 11:13:49,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 11:13:49,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 11:13:49,204 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 11:13:49,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:13:49" (1/1) ... [2022-07-21 11:13:49,322 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:13:49" (1/1) ... [2022-07-21 11:13:49,545 INFO L137 Inliner]: procedures = 397, calls = 4296, calls flagged for inlining = 180, calls inlined = 177, statements flattened = 7899 [2022-07-21 11:13:49,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 11:13:49,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 11:13:49,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 11:13:49,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 11:13:49,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:13:49" (1/1) ... [2022-07-21 11:13:49,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:13:49" (1/1) ... [2022-07-21 11:13:49,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:13:49" (1/1) ... [2022-07-21 11:13:49,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:13:49" (1/1) ... [2022-07-21 11:13:49,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:13:49" (1/1) ... [2022-07-21 11:13:49,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:13:49" (1/1) ... [2022-07-21 11:13:49,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:13:49" (1/1) ... [2022-07-21 11:13:49,876 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 11:13:49,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 11:13:49,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 11:13:49,878 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 11:13:49,879 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:13:49" (1/1) ... [2022-07-21 11:13:49,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:13:49,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:13:49,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 11:13:49,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 11:13:49,937 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2022-07-21 11:13:49,938 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2022-07-21 11:13:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-07-21 11:13:49,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-07-21 11:13:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2022-07-21 11:13:49,938 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2022-07-21 11:13:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2022-07-21 11:13:49,938 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2022-07-21 11:13:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 11:13:49,938 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 11:13:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 11:13:49,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 11:13:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2022-07-21 11:13:49,939 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2022-07-21 11:13:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2022-07-21 11:13:49,939 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2022-07-21 11:13:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-07-21 11:13:49,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-07-21 11:13:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_writereg [2022-07-21 11:13:49,940 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_writereg [2022-07-21 11:13:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-07-21 11:13:49,940 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-07-21 11:13:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_generic_frame_duration [2022-07-21 11:13:49,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_generic_frame_duration [2022-07-21 11:13:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 11:13:49,941 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 11:13:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2022-07-21 11:13:49,941 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2022-07-21 11:13:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-21 11:13:49,941 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-21 11:13:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 11:13:49,941 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 11:13:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2022-07-21 11:13:49,942 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2022-07-21 11:13:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2022-07-21 11:13:49,942 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2022-07-21 11:13:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2022-07-21 11:13:49,942 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2022-07-21 11:13:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2022-07-21 11:13:49,943 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2022-07-21 11:13:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2022-07-21 11:13:49,943 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2022-07-21 11:13:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-07-21 11:13:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2022-07-21 11:13:49,943 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2022-07-21 11:13:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 11:13:49,944 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 11:13:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-21 11:13:49,944 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-21 11:13:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 11:13:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2022-07-21 11:13:49,945 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2022-07-21 11:13:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-21 11:13:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 11:13:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 11:13:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 11:13:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2022-07-21 11:13:49,946 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2022-07-21 11:13:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 11:13:49,946 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 11:13:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2022-07-21 11:13:49,946 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2022-07-21 11:13:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2022-07-21 11:13:49,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2022-07-21 11:13:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 11:13:49,947 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 11:13:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 11:13:49,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 11:13:49,948 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2022-07-21 11:13:49,948 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2022-07-21 11:13:49,948 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2022-07-21 11:13:49,948 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2022-07-21 11:13:49,948 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 11:13:49,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 11:13:49,948 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2022-07-21 11:13:49,948 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2022-07-21 11:13:49,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 11:13:49,949 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 11:13:49,949 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-07-21 11:13:49,949 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-07-21 11:13:49,949 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-21 11:13:49,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-21 11:13:49,950 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2022-07-21 11:13:49,950 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2022-07-21 11:13:49,950 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2022-07-21 11:13:49,950 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2022-07-21 11:13:49,950 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-21 11:13:49,950 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-21 11:13:49,951 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 11:13:49,951 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 11:13:49,951 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2022-07-21 11:13:49,951 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2022-07-21 11:13:49,951 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2022-07-21 11:13:49,951 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2022-07-21 11:13:49,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-07-21 11:13:49,951 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2022-07-21 11:13:49,951 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2022-07-21 11:13:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 11:13:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 11:13:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-21 11:13:49,952 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-21 11:13:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-21 11:13:49,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-21 11:13:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2022-07-21 11:13:49,953 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2022-07-21 11:13:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 11:13:49,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 11:13:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 11:13:49,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 11:13:49,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 11:13:49,955 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 11:13:49,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 11:13:49,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 11:13:49,956 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2022-07-21 11:13:49,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2022-07-21 11:13:49,957 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_init [2022-07-21 11:13:49,957 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_init [2022-07-21 11:13:49,957 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2022-07-21 11:13:49,961 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2022-07-21 11:13:49,962 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 11:13:49,962 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 11:13:49,962 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam2 [2022-07-21 11:13:49,962 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam2 [2022-07-21 11:13:49,962 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2022-07-21 11:13:49,962 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2022-07-21 11:13:49,963 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2022-07-21 11:13:49,965 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2022-07-21 11:13:49,965 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2022-07-21 11:13:49,965 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2022-07-21 11:13:49,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 11:13:49,965 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_basic_rates [2022-07-21 11:13:49,965 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_basic_rates [2022-07-21 11:13:49,965 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-07-21 11:13:49,966 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-07-21 11:13:49,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 11:13:49,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 11:13:49,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2022-07-21 11:13:49,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2022-07-21 11:13:49,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 11:13:49,966 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 11:13:49,966 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 11:13:49,966 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2022-07-21 11:13:49,966 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2022-07-21 11:13:49,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 11:13:49,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 11:13:49,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 11:13:49,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 11:13:49,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 11:13:49,967 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_tx [2022-07-21 11:13:49,967 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_tx [2022-07-21 11:13:49,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 11:13:49,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 11:13:49,967 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2022-07-21 11:13:49,967 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2022-07-21 11:13:49,968 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-21 11:13:49,968 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-21 11:13:49,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2022-07-21 11:13:49,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2022-07-21 11:13:49,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_4 [2022-07-21 11:13:49,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_4 [2022-07-21 11:13:49,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_3 [2022-07-21 11:13:49,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_3 [2022-07-21 11:13:49,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_8 [2022-07-21 11:13:49,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_8 [2022-07-21 11:13:49,969 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2022-07-21 11:13:49,969 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2022-07-21 11:13:49,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_7 [2022-07-21 11:13:49,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_7 [2022-07-21 11:13:49,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_6 [2022-07-21 11:13:49,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_6 [2022-07-21 11:13:49,969 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2022-07-21 11:13:49,969 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2022-07-21 11:13:49,969 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2022-07-21 11:13:49,969 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2022-07-21 11:13:49,970 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_set_channel [2022-07-21 11:13:49,970 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_set_channel [2022-07-21 11:13:49,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 11:13:49,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 11:13:49,970 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-21 11:13:49,970 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-21 11:13:49,970 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2022-07-21 11:13:49,970 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2022-07-21 11:13:49,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 11:13:49,970 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 11:13:49,971 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-07-21 11:13:49,971 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-07-21 11:13:49,971 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 11:13:49,971 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 11:13:49,971 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_int_disable [2022-07-21 11:13:49,971 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_int_disable [2022-07-21 11:13:49,971 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-21 11:13:49,971 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-21 11:13:49,971 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2022-07-21 11:13:49,971 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2022-07-21 11:13:49,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 11:13:49,972 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2022-07-21 11:13:49,972 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2022-07-21 11:13:49,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 11:13:49,972 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_stop [2022-07-21 11:13:49,972 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_stop [2022-07-21 11:13:49,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-07-21 11:13:49,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-07-21 11:13:49,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 11:13:49,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 11:13:49,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 11:13:49,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 11:13:49,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 11:13:49,973 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_init [2022-07-21 11:13:49,973 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_init [2022-07-21 11:13:49,973 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-21 11:13:49,973 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-21 11:13:49,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___skb_dequeue_14 [2022-07-21 11:13:49,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___skb_dequeue_14 [2022-07-21 11:13:49,973 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2022-07-21 11:13:49,974 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2022-07-21 11:13:49,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 11:13:49,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 11:13:49,974 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2022-07-21 11:13:49,974 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2022-07-21 11:13:49,974 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_readreg [2022-07-21 11:13:49,974 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_readreg [2022-07-21 11:13:49,974 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2022-07-21 11:13:49,974 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2022-07-21 11:13:49,974 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-21 11:13:49,975 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-21 11:13:49,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-07-21 11:13:49,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-07-21 11:13:49,975 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2022-07-21 11:13:49,975 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2022-07-21 11:13:49,975 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_rx [2022-07-21 11:13:49,975 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_rx [2022-07-21 11:13:49,975 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2022-07-21 11:13:49,975 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2022-07-21 11:13:49,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 11:13:49,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 11:13:49,976 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2022-07-21 11:13:49,976 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2022-07-21 11:13:49,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 11:13:49,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 11:13:49,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 11:13:49,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 11:13:49,976 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2022-07-21 11:13:49,976 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2022-07-21 11:13:49,976 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2022-07-21 11:13:49,977 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2022-07-21 11:13:49,977 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_conf_ac_parm [2022-07-21 11:13:49,977 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_conf_ac_parm [2022-07-21 11:13:49,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-21 11:13:49,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-21 11:13:49,977 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_RXCB [2022-07-21 11:13:49,977 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_RXCB [2022-07-21 11:13:49,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-07-21 11:13:49,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-07-21 11:13:49,977 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_stop [2022-07-21 11:13:49,978 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_stop [2022-07-21 11:13:49,978 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-21 11:13:49,978 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-21 11:13:49,978 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2022-07-21 11:13:49,978 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2022-07-21 11:13:49,978 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-21 11:13:49,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-21 11:13:49,978 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-21 11:13:49,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-21 11:13:49,978 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2022-07-21 11:13:49,979 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2022-07-21 11:13:49,979 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2022-07-21 11:13:49,979 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2022-07-21 11:13:49,979 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2022-07-21 11:13:49,979 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2022-07-21 11:13:49,979 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_three_wire_io [2022-07-21 11:13:49,979 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_three_wire_io [2022-07-21 11:13:49,979 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2022-07-21 11:13:49,979 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2022-07-21 11:13:49,979 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2022-07-21 11:13:49,980 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2022-07-21 11:13:49,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-07-21 11:13:49,980 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-21 11:13:49,980 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-21 11:13:50,765 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 11:13:50,769 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 11:13:53,190 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 11:14:37,376 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 11:14:37,416 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 11:14:37,417 INFO L299 CfgBuilder]: Removed 81 assume(true) statements. [2022-07-21 11:14:37,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:14:37 BoogieIcfgContainer [2022-07-21 11:14:37,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 11:14:37,426 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 11:14:37,426 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 11:14:37,428 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 11:14:37,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:13:45" (1/3) ... [2022-07-21 11:14:37,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2781e1f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:14:37, skipping insertion in model container [2022-07-21 11:14:37,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:13:49" (2/3) ... [2022-07-21 11:14:37,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2781e1f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:14:37, skipping insertion in model container [2022-07-21 11:14:37,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:14:37" (3/3) ... [2022-07-21 11:14:37,432 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 [2022-07-21 11:14:37,444 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 11:14:37,445 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 11:14:37,543 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 11:14:37,547 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@3fe8a8e4, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4231d83c [2022-07-21 11:14:37,549 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 11:14:37,560 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) [2022-07-21 11:14:37,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-07-21 11:14:37,576 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:14:37,576 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] [2022-07-21 11:14:37,577 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:14:37,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:14:37,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1146511857, now seen corresponding path program 1 times [2022-07-21 11:14:37,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:14:37,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [191474553] [2022-07-21 11:14:37,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:14:37,598 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:14:37,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:14:37,600 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:14:37,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 11:14:46,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:14:46,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 3596 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 11:14:46,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:14:46,507 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-07-21 11:14:46,507 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:14:46,508 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:14:46,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [191474553] [2022-07-21 11:14:46,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [191474553] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:14:46,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:14:46,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 11:14:46,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753080061] [2022-07-21 11:14:46,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:14:46,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 11:14:46,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:14:46,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 11:14:46,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 11:14:46,537 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) [2022-07-21 11:14:46,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:14:46,950 INFO L93 Difference]: Finished difference Result 7034 states and 11155 transitions. [2022-07-21 11:14:46,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 11:14:46,953 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 [2022-07-21 11:14:46,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:14:46,982 INFO L225 Difference]: With dead ends: 7034 [2022-07-21 11:14:46,983 INFO L226 Difference]: Without dead ends: 3380 [2022-07-21 11:14:47,007 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 [2022-07-21 11:14:47,009 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 [2022-07-21 11:14:47,010 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] [2022-07-21 11:14:47,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3380 states. [2022-07-21 11:14:47,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3380 to 3380. [2022-07-21 11:14:47,234 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) [2022-07-21 11:14:47,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3380 states to 3380 states and 5223 transitions. [2022-07-21 11:14:47,264 INFO L78 Accepts]: Start accepts. Automaton has 3380 states and 5223 transitions. Word has length 78 [2022-07-21 11:14:47,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:14:47,265 INFO L495 AbstractCegarLoop]: Abstraction has 3380 states and 5223 transitions. [2022-07-21 11:14:47,265 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) [2022-07-21 11:14:47,265 INFO L276 IsEmpty]: Start isEmpty. Operand 3380 states and 5223 transitions. [2022-07-21 11:14:47,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-07-21 11:14:47,272 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:14:47,273 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] [2022-07-21 11:14:47,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 11:14:47,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:14:47,495 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:14:47,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:14:47,496 INFO L85 PathProgramCache]: Analyzing trace with hash -485676745, now seen corresponding path program 1 times [2022-07-21 11:14:47,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:14:47,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1106537985] [2022-07-21 11:14:47,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:14:47,499 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:14:47,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:14:47,501 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:14:47,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 11:14:56,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:14:56,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 3618 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 11:14:56,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:14:57,133 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2022-07-21 11:14:57,133 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 11:14:57,605 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-07-21 11:14:57,606 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:14:57,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1106537985] [2022-07-21 11:14:57,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1106537985] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 11:14:57,606 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 11:14:57,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-21 11:14:57,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351814444] [2022-07-21 11:14:57,606 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 11:14:57,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 11:14:57,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:14:57,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 11:14:57,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-21 11:14:57,608 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) [2022-07-21 11:14:58,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:14:58,717 INFO L93 Difference]: Finished difference Result 6752 states and 10455 transitions. [2022-07-21 11:14:58,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 11:14:58,719 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 [2022-07-21 11:14:58,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:14:58,745 INFO L225 Difference]: With dead ends: 6752 [2022-07-21 11:14:58,746 INFO L226 Difference]: Without dead ends: 3391 [2022-07-21 11:14:58,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-07-21 11:14:58,768 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, 0.5s IncrementalHoareTripleChecker+Time [2022-07-21 11:14:58,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 20846 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-21 11:14:58,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3391 states. [2022-07-21 11:14:58,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3391 to 3389. [2022-07-21 11:14:58,965 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) [2022-07-21 11:14:58,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3389 states to 3389 states and 5237 transitions. [2022-07-21 11:14:58,987 INFO L78 Accepts]: Start accepts. Automaton has 3389 states and 5237 transitions. Word has length 80 [2022-07-21 11:14:58,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:14:58,988 INFO L495 AbstractCegarLoop]: Abstraction has 3389 states and 5237 transitions. [2022-07-21 11:14:58,988 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) [2022-07-21 11:14:58,988 INFO L276 IsEmpty]: Start isEmpty. Operand 3389 states and 5237 transitions. [2022-07-21 11:14:58,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-07-21 11:14:58,990 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:14:58,991 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] [2022-07-21 11:14:59,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 11:14:59,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:14:59,215 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:14:59,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:14:59,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1364713071, now seen corresponding path program 2 times [2022-07-21 11:14:59,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:14:59,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [681721310] [2022-07-21 11:14:59,220 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 11:14:59,220 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:14:59,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:14:59,225 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:14:59,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 11:15:08,079 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 11:15:08,080 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 11:15:08,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 3462 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 11:15:08,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:15:09,145 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-07-21 11:15:09,145 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:15:09,145 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:15:09,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [681721310] [2022-07-21 11:15:09,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [681721310] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:15:09,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:15:09,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 11:15:09,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60517498] [2022-07-21 11:15:09,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:15:09,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:15:09,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:15:09,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:15:09,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:15:09,148 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) [2022-07-21 11:15:10,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:15:10,079 INFO L93 Difference]: Finished difference Result 10104 states and 15692 transitions. [2022-07-21 11:15:10,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 11:15:10,080 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 [2022-07-21 11:15:10,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:15:10,135 INFO L225 Difference]: With dead ends: 10104 [2022-07-21 11:15:10,136 INFO L226 Difference]: Without dead ends: 6740 [2022-07-21 11:15:10,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:15:10,167 INFO L413 NwaCegarLoop]: 6661 mSDtfsCounter, 5184 mSDsluCounter, 18538 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5184 SdHoareTripleChecker+Valid, 25199 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 11:15:10,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5184 Valid, 25199 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 11:15:10,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6740 states. [2022-07-21 11:15:10,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6740 to 6736. [2022-07-21 11:15:10,540 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) [2022-07-21 11:15:10,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6736 states to 6736 states and 10456 transitions. [2022-07-21 11:15:10,580 INFO L78 Accepts]: Start accepts. Automaton has 6736 states and 10456 transitions. Word has length 84 [2022-07-21 11:15:10,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:15:10,581 INFO L495 AbstractCegarLoop]: Abstraction has 6736 states and 10456 transitions. [2022-07-21 11:15:10,581 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) [2022-07-21 11:15:10,582 INFO L276 IsEmpty]: Start isEmpty. Operand 6736 states and 10456 transitions. [2022-07-21 11:15:10,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-07-21 11:15:10,597 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:15:10,613 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] [2022-07-21 11:15:10,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 11:15:10,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:15:10,827 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:15:10,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:15:10,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1194691794, now seen corresponding path program 1 times [2022-07-21 11:15:10,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:15:10,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1323912005] [2022-07-21 11:15:10,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:15:10,832 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:15:10,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:15:10,835 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:15:10,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 11:15:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:15:21,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 3951 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 11:15:21,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:15:21,377 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 59 proven. 3 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-07-21 11:15:21,377 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 11:15:22,208 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-07-21 11:15:22,208 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:15:22,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1323912005] [2022-07-21 11:15:22,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1323912005] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 11:15:22,208 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 11:15:22,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-07-21 11:15:22,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92102351] [2022-07-21 11:15:22,208 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 11:15:22,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 11:15:22,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:15:22,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 11:15:22,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-21 11:15:22,210 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) [2022-07-21 11:15:24,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:15:24,067 INFO L93 Difference]: Finished difference Result 13463 states and 20951 transitions. [2022-07-21 11:15:24,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 11:15:24,068 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 [2022-07-21 11:15:24,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:15:24,131 INFO L225 Difference]: With dead ends: 13463 [2022-07-21 11:15:24,131 INFO L226 Difference]: Without dead ends: 6756 [2022-07-21 11:15:24,175 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 [2022-07-21 11:15:24,177 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 [2022-07-21 11:15:24,178 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] [2022-07-21 11:15:24,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6756 states. [2022-07-21 11:15:24,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6756 to 6748. [2022-07-21 11:15:24,545 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) [2022-07-21 11:15:24,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6748 states to 6748 states and 10476 transitions. [2022-07-21 11:15:24,583 INFO L78 Accepts]: Start accepts. Automaton has 6748 states and 10476 transitions. Word has length 161 [2022-07-21 11:15:24,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:15:24,584 INFO L495 AbstractCegarLoop]: Abstraction has 6748 states and 10476 transitions. [2022-07-21 11:15:24,584 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) [2022-07-21 11:15:24,584 INFO L276 IsEmpty]: Start isEmpty. Operand 6748 states and 10476 transitions. [2022-07-21 11:15:24,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-07-21 11:15:24,596 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:15:24,597 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] [2022-07-21 11:15:24,725 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-21 11:15:24,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:15:24,815 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:15:24,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:15:24,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1888228334, now seen corresponding path program 2 times [2022-07-21 11:15:24,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:15:24,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [869997522] [2022-07-21 11:15:24,821 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 11:15:24,821 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:15:24,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:15:24,822 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:15:24,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 11:15:33,195 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 11:15:33,196 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 11:15:33,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 3475 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 11:15:33,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:15:33,748 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-07-21 11:15:33,748 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:15:33,748 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:15:33,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [869997522] [2022-07-21 11:15:33,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [869997522] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:15:33,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:15:33,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 11:15:33,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350104155] [2022-07-21 11:15:33,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:15:33,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 11:15:33,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:15:33,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 11:15:33,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:15:33,750 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) [2022-07-21 11:15:36,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:15:36,904 INFO L93 Difference]: Finished difference Result 20176 states and 31326 transitions. [2022-07-21 11:15:36,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 11:15:36,905 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 [2022-07-21 11:15:36,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:15:36,987 INFO L225 Difference]: With dead ends: 20176 [2022-07-21 11:15:36,987 INFO L226 Difference]: Without dead ends: 13468 [2022-07-21 11:15:37,025 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 [2022-07-21 11:15:37,026 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, 2.4s IncrementalHoareTripleChecker+Time [2022-07-21 11:15:37,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7302 Valid, 39360 Invalid, 835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [636 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-21 11:15:37,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13468 states. [2022-07-21 11:15:37,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13468 to 13448. [2022-07-21 11:15:37,752 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) [2022-07-21 11:15:37,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13448 states to 13448 states and 20884 transitions. [2022-07-21 11:15:37,817 INFO L78 Accepts]: Start accepts. Automaton has 13448 states and 20884 transitions. Word has length 165 [2022-07-21 11:15:37,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:15:37,818 INFO L495 AbstractCegarLoop]: Abstraction has 13448 states and 20884 transitions. [2022-07-21 11:15:37,819 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) [2022-07-21 11:15:37,819 INFO L276 IsEmpty]: Start isEmpty. Operand 13448 states and 20884 transitions. [2022-07-21 11:15:37,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-07-21 11:15:37,830 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:15:37,831 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] [2022-07-21 11:15:37,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 11:15:38,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:15:38,052 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:15:38,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:15:38,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1465526508, now seen corresponding path program 1 times [2022-07-21 11:15:38,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:15:38,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [306519600] [2022-07-21 11:15:38,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:15:38,057 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:15:38,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:15:38,058 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:15:38,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 11:15:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:15:49,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 3993 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-21 11:15:49,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:15:50,650 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 83 proven. 21 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-07-21 11:15:50,651 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 11:15:52,567 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 37 proven. 30 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-07-21 11:15:52,567 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:15:52,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [306519600] [2022-07-21 11:15:52,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [306519600] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 11:15:52,568 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 11:15:52,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2022-07-21 11:15:52,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322166317] [2022-07-21 11:15:52,568 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 11:15:52,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-07-21 11:15:52,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:15:52,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-07-21 11:15:52,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2022-07-21 11:15:52,569 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) [2022-07-21 11:15:57,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:15:57,379 INFO L93 Difference]: Finished difference Result 26948 states and 41959 transitions. [2022-07-21 11:15:57,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-07-21 11:15:57,381 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 [2022-07-21 11:15:57,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:15:57,542 INFO L225 Difference]: With dead ends: 26948 [2022-07-21 11:15:57,543 INFO L226 Difference]: Without dead ends: 13520 [2022-07-21 11:15:57,597 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 [2022-07-21 11:15:57,598 INFO L413 NwaCegarLoop]: 5218 mSDtfsCounter, 96 mSDsluCounter, 52133 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s 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 [2022-07-21 11:15:57,598 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] [2022-07-21 11:15:57,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13520 states. [2022-07-21 11:15:58,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13520 to 13468. [2022-07-21 11:15:58,288 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) [2022-07-21 11:15:58,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13468 states to 13468 states and 20921 transitions. [2022-07-21 11:15:58,376 INFO L78 Accepts]: Start accepts. Automaton has 13468 states and 20921 transitions. Word has length 165 [2022-07-21 11:15:58,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:15:58,377 INFO L495 AbstractCegarLoop]: Abstraction has 13468 states and 20921 transitions. [2022-07-21 11:15:58,377 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) [2022-07-21 11:15:58,378 INFO L276 IsEmpty]: Start isEmpty. Operand 13468 states and 20921 transitions. [2022-07-21 11:15:58,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-07-21 11:15:58,472 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:15:58,472 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] [2022-07-21 11:15:58,620 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-07-21 11:15:58,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:15:58,687 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:15:58,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:15:58,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1785686708, now seen corresponding path program 2 times [2022-07-21 11:15:58,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:15:58,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2108518721] [2022-07-21 11:15:58,693 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 11:15:58,694 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:15:58,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:15:58,695 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:15:58,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 11:16:08,194 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 11:16:08,195 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 11:16:08,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 3473 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-21 11:16:08,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:16:09,907 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-07-21 11:16:09,907 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:16:09,907 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:16:09,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2108518721] [2022-07-21 11:16:09,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2108518721] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:16:09,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:16:09,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-21 11:16:09,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648814328] [2022-07-21 11:16:09,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:16:09,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 11:16:09,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:16:09,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 11:16:09,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-07-21 11:16:09,909 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) [2022-07-21 11:16:12,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:16:12,016 INFO L93 Difference]: Finished difference Result 31038 states and 48501 transitions. [2022-07-21 11:16:12,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-21 11:16:12,017 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 [2022-07-21 11:16:12,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:16:12,139 INFO L225 Difference]: With dead ends: 31038 [2022-07-21 11:16:12,139 INFO L226 Difference]: Without dead ends: 17614 [2022-07-21 11:16:12,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-07-21 11:16:12,213 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, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 11:16:12,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1334 Valid, 66872 Invalid, 153 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 11:16:12,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17614 states. [2022-07-21 11:16:13,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17614 to 13540. [2022-07-21 11:16:13,372 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) [2022-07-21 11:16:13,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13540 states to 13540 states and 21092 transitions. [2022-07-21 11:16:13,457 INFO L78 Accepts]: Start accepts. Automaton has 13540 states and 21092 transitions. Word has length 167 [2022-07-21 11:16:13,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:16:13,458 INFO L495 AbstractCegarLoop]: Abstraction has 13540 states and 21092 transitions. [2022-07-21 11:16:13,458 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) [2022-07-21 11:16:13,459 INFO L276 IsEmpty]: Start isEmpty. Operand 13540 states and 21092 transitions. [2022-07-21 11:16:13,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-07-21 11:16:13,472 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:16:13,472 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] [2022-07-21 11:16:13,598 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-21 11:16:13,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:16:13,683 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:16:13,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:16:13,684 INFO L85 PathProgramCache]: Analyzing trace with hash -86965722, now seen corresponding path program 1 times [2022-07-21 11:16:13,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:16:13,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1111153133] [2022-07-21 11:16:13,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:16:13,689 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:16:13,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:16:13,691 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:16:13,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-21 11:16:24,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:16:24,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 4041 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 11:16:24,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:16:25,140 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2022-07-21 11:16:25,141 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:16:25,141 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:16:25,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1111153133] [2022-07-21 11:16:25,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1111153133] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:16:25,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:16:25,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 11:16:25,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182306947] [2022-07-21 11:16:25,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:16:25,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:16:25,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:16:25,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:16:25,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:16:25,142 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) [2022-07-21 11:16:26,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:16:26,506 INFO L93 Difference]: Finished difference Result 36828 states and 57568 transitions. [2022-07-21 11:16:26,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:16:26,507 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 [2022-07-21 11:16:26,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:16:26,695 INFO L225 Difference]: With dead ends: 36828 [2022-07-21 11:16:26,695 INFO L226 Difference]: Without dead ends: 23324 [2022-07-21 11:16:26,747 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 [2022-07-21 11:16:26,748 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 [2022-07-21 11:16:26,748 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] [2022-07-21 11:16:26,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23324 states. [2022-07-21 11:16:27,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23324 to 23248. [2022-07-21 11:16:27,847 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) [2022-07-21 11:16:27,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23248 states to 23248 states and 36367 transitions. [2022-07-21 11:16:27,976 INFO L78 Accepts]: Start accepts. Automaton has 23248 states and 36367 transitions. Word has length 174 [2022-07-21 11:16:27,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:16:27,977 INFO L495 AbstractCegarLoop]: Abstraction has 23248 states and 36367 transitions. [2022-07-21 11:16:27,977 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) [2022-07-21 11:16:27,977 INFO L276 IsEmpty]: Start isEmpty. Operand 23248 states and 36367 transitions. [2022-07-21 11:16:27,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-07-21 11:16:27,988 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:16:27,988 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] [2022-07-21 11:16:28,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-21 11:16:28,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:16:28,203 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:16:28,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:16:28,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1317364566, now seen corresponding path program 1 times [2022-07-21 11:16:28,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:16:28,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [52639195] [2022-07-21 11:16:28,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:16:28,208 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:16:28,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:16:28,210 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:16:28,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-21 11:16:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:16:39,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 4283 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 11:16:39,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:16:41,927 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2022-07-21 11:16:41,927 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:16:41,928 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:16:41,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [52639195] [2022-07-21 11:16:41,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [52639195] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:16:41,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:16:41,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 11:16:41,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098703621] [2022-07-21 11:16:41,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:16:41,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:16:41,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:16:41,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:16:41,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:16:41,929 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) [2022-07-21 11:17:31,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:17:31,638 INFO L93 Difference]: Finished difference Result 69676 states and 109121 transitions. [2022-07-21 11:17:31,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 11:17:31,639 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 [2022-07-21 11:17:31,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:17:31,850 INFO L225 Difference]: With dead ends: 69676 [2022-07-21 11:17:31,850 INFO L226 Difference]: Without dead ends: 46472 [2022-07-21 11:17:31,958 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 [2022-07-21 11:17:31,959 INFO L413 NwaCegarLoop]: 6654 mSDtfsCounter, 5144 mSDsluCounter, 9912 mSDsCounter, 0 mSdLazyCounter, 5676 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.9s 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, 47.4s IncrementalHoareTripleChecker+Time [2022-07-21 11:17:31,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5148 Valid, 16566 Invalid, 5693 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 5676 Invalid, 0 Unknown, 0 Unchecked, 47.4s Time] [2022-07-21 11:17:32,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46472 states. [2022-07-21 11:17:34,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46472 to 46464. [2022-07-21 11:17:34,101 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) [2022-07-21 11:17:34,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46464 states to 46464 states and 72725 transitions. [2022-07-21 11:17:34,637 INFO L78 Accepts]: Start accepts. Automaton has 46464 states and 72725 transitions. Word has length 186 [2022-07-21 11:17:34,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:17:34,638 INFO L495 AbstractCegarLoop]: Abstraction has 46464 states and 72725 transitions. [2022-07-21 11:17:34,638 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) [2022-07-21 11:17:34,638 INFO L276 IsEmpty]: Start isEmpty. Operand 46464 states and 72725 transitions. [2022-07-21 11:17:34,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-07-21 11:17:34,649 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:17:34,649 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] [2022-07-21 11:17:34,780 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-21 11:17:34,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:17:34,859 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:17:34,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:17:34,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1728809943, now seen corresponding path program 1 times [2022-07-21 11:17:35,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:17:35,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [20363492] [2022-07-21 11:17:35,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:17:35,101 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:17:35,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:17:35,102 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) [2022-07-21 11:17:35,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-21 11:17:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:17:46,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 4281 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 11:17:46,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:17:49,117 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2022-07-21 11:17:49,117 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:17:49,117 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:17:49,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [20363492] [2022-07-21 11:17:49,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [20363492] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:17:49,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:17:49,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 11:17:49,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251484809] [2022-07-21 11:17:49,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:17:49,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:17:49,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:17:49,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:17:49,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:17:49,119 INFO L87 Difference]: Start difference. First operand 46464 states and 72725 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 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)