./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-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 73e11d79da89f19153d89e853a8d4a3607f25d95ae579da9c148a59839e48ce3 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 01:26:48,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 01:26:48,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 01:26:48,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 01:26:48,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 01:26:48,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 01:26:48,094 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 01:26:48,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 01:26:48,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 01:26:48,111 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 01:26:48,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 01:26:48,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 01:26:48,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 01:26:48,118 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 01:26:48,120 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 01:26:48,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 01:26:48,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 01:26:48,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 01:26:48,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 01:26:48,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 01:26:48,138 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 01:26:48,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 01:26:48,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 01:26:48,142 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 01:26:48,144 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 01:26:48,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 01:26:48,153 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 01:26:48,154 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 01:26:48,155 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 01:26:48,156 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 01:26:48,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 01:26:48,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 01:26:48,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 01:26:48,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 01:26:48,162 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 01:26:48,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 01:26:48,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 01:26:48,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 01:26:48,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 01:26:48,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 01:26:48,165 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 01:26:48,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 01:26:48,168 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 01:26:48,203 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 01:26:48,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 01:26:48,204 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 01:26:48,204 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 01:26:48,205 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 01:26:48,205 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 01:26:48,206 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 01:26:48,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 01:26:48,206 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 01:26:48,208 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 01:26:48,208 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 01:26:48,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 01:26:48,208 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 01:26:48,209 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 01:26:48,209 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 01:26:48,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 01:26:48,209 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 01:26:48,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 01:26:48,210 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 01:26:48,210 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 01:26:48,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 01:26:48,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:26:48,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 01:26:48,211 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 01:26:48,211 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 01:26:48,211 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 01:26:48,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 01:26:48,212 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 01:26:48,212 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 01:26:48,212 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 01:26:48,213 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73e11d79da89f19153d89e853a8d4a3607f25d95ae579da9c148a59839e48ce3 [2022-07-20 01:26:48,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 01:26:48,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 01:26:48,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 01:26:48,519 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 01:26:48,520 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 01:26:48,521 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2022-07-20 01:26:48,595 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42ce796a9/eaec4921f7844fd9a79afd026dadab06/FLAGe1713945a [2022-07-20 01:26:49,549 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 01:26:49,550 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2022-07-20 01:26:49,626 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42ce796a9/eaec4921f7844fd9a79afd026dadab06/FLAGe1713945a [2022-07-20 01:26:49,929 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42ce796a9/eaec4921f7844fd9a79afd026dadab06 [2022-07-20 01:26:49,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 01:26:49,933 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 01:26:49,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 01:26:49,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 01:26:49,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 01:26:49,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:26:49" (1/1) ... [2022-07-20 01:26:49,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f75a75e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:26:49, skipping insertion in model container [2022-07-20 01:26:49,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:26:49" (1/1) ... [2022-07-20 01:26:49,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 01:26:50,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:26:54,381 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[468644,468657] [2022-07-20 01:26:54,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:26:54,591 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 01:26:54,864 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 [9822] 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) [2022-07-20 01:26:54,870 INFO L158 Benchmark]: Toolchain (without parser) took 4935.51ms. Allocated memory was 130.0MB in the beginning and 201.3MB in the end (delta: 71.3MB). Free memory was 95.1MB in the beginning and 79.9MB in the end (delta: 15.2MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. [2022-07-20 01:26:54,870 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 100.7MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 01:26:54,872 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4932.18ms. Allocated memory was 130.0MB in the beginning and 201.3MB in the end (delta: 71.3MB). Free memory was 95.1MB in the beginning and 79.9MB in the end (delta: 15.2MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. [2022-07-20 01:26:54,874 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 100.7MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4932.18ms. Allocated memory was 130.0MB in the beginning and 201.3MB in the end (delta: 71.3MB). Free memory was 95.1MB in the beginning and 79.9MB in the end (delta: 15.2MB). Peak memory consumption was 86.0MB. 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 [9822] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: eeprom_val = (unsigned int )eeprom_val & 255U [9822]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-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 73e11d79da89f19153d89e853a8d4a3607f25d95ae579da9c148a59839e48ce3 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 01:26:56,787 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 01:26:56,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 01:26:56,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 01:26:56,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 01:26:56,824 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 01:26:56,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 01:26:56,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 01:26:56,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 01:26:56,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 01:26:56,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 01:26:56,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 01:26:56,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 01:26:56,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 01:26:56,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 01:26:56,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 01:26:56,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 01:26:56,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 01:26:56,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 01:26:56,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 01:26:56,860 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 01:26:56,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 01:26:56,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 01:26:56,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 01:26:56,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 01:26:56,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 01:26:56,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 01:26:56,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 01:26:56,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 01:26:56,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 01:26:56,878 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 01:26:56,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 01:26:56,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 01:26:56,881 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 01:26:56,882 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 01:26:56,883 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 01:26:56,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 01:26:56,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 01:26:56,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 01:26:56,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 01:26:56,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 01:26:56,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 01:26:56,887 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 01:26:56,930 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 01:26:56,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 01:26:56,931 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 01:26:56,931 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 01:26:56,932 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 01:26:56,932 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 01:26:56,933 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 01:26:56,933 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 01:26:56,933 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 01:26:56,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 01:26:56,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 01:26:56,935 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 01:26:56,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 01:26:56,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 01:26:56,935 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 01:26:56,935 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 01:26:56,936 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 01:26:56,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 01:26:56,936 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 01:26:56,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 01:26:56,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 01:26:56,937 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 01:26:56,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 01:26:56,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:26:56,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 01:26:56,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 01:26:56,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 01:26:56,938 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 01:26:56,938 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 01:26:56,939 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 01:26:56,939 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 01:26:56,939 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 01:26:56,939 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 01:26:56,940 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73e11d79da89f19153d89e853a8d4a3607f25d95ae579da9c148a59839e48ce3 [2022-07-20 01:26:57,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 01:26:57,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 01:26:57,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 01:26:57,310 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 01:26:57,311 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 01:26:57,313 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2022-07-20 01:26:57,390 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0512feda4/d98ec797fcd04ee29951520cf40fb72d/FLAGc7c7403fa [2022-07-20 01:26:58,392 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 01:26:58,393 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2022-07-20 01:26:58,449 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0512feda4/d98ec797fcd04ee29951520cf40fb72d/FLAGc7c7403fa [2022-07-20 01:26:58,776 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0512feda4/d98ec797fcd04ee29951520cf40fb72d [2022-07-20 01:26:58,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 01:26:58,781 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 01:26:58,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 01:26:58,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 01:26:58,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 01:26:58,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:26:58" (1/1) ... [2022-07-20 01:26:58,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79748fe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:26:58, skipping insertion in model container [2022-07-20 01:26:58,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:26:58" (1/1) ... [2022-07-20 01:26:58,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 01:26:59,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:27:02,166 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-20 01:27:02,330 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-20 01:27:02,473 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-20 01:27:02,810 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[468644,468657] [2022-07-20 01:27:02,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:27:03,033 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 01:27:03,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:27:03,423 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[468644,468657] [2022-07-20 01:27:03,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:27:03,471 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 01:27:03,914 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[468644,468657] [2022-07-20 01:27:03,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:27:04,092 INFO L208 MainTranslator]: Completed translation [2022-07-20 01:27:04,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:27:04 WrapperNode [2022-07-20 01:27:04,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 01:27:04,094 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 01:27:04,095 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 01:27:04,095 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 01:27:04,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:27:04" (1/1) ... [2022-07-20 01:27:04,222 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:27:04" (1/1) ... [2022-07-20 01:27:04,426 INFO L137 Inliner]: procedures = 455, calls = 4514, calls flagged for inlining = 181, calls inlined = 178, statements flattened = 8094 [2022-07-20 01:27:04,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 01:27:04,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 01:27:04,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 01:27:04,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 01:27:04,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:27:04" (1/1) ... [2022-07-20 01:27:04,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:27:04" (1/1) ... [2022-07-20 01:27:04,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:27:04" (1/1) ... [2022-07-20 01:27:04,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:27:04" (1/1) ... [2022-07-20 01:27:04,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:27:04" (1/1) ... [2022-07-20 01:27:04,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:27:04" (1/1) ... [2022-07-20 01:27:04,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:27:04" (1/1) ... [2022-07-20 01:27:04,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 01:27:04,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 01:27:04,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 01:27:04,849 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 01:27:04,849 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:27:04" (1/1) ... [2022-07-20 01:27:04,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:27:04,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 01:27:04,881 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) [2022-07-20 01:27:04,911 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 [2022-07-20 01:27:04,930 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2022-07-20 01:27:04,931 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2022-07-20 01:27:04,931 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-07-20 01:27:04,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-07-20 01:27:04,931 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2022-07-20 01:27:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2022-07-20 01:27:04,932 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2022-07-20 01:27:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2022-07-20 01:27:04,932 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-20 01:27:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-20 01:27:04,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 01:27:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 01:27:04,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-20 01:27:04,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-20 01:27:04,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 01:27:04,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 01:27:04,933 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2022-07-20 01:27:04,933 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2022-07-20 01:27:04,933 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2022-07-20 01:27:04,934 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2022-07-20 01:27:04,934 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_writereg [2022-07-20 01:27:04,934 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_writereg [2022-07-20 01:27:04,934 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-07-20 01:27:04,934 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-07-20 01:27:04,934 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_generic_frame_duration [2022-07-20 01:27:04,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_generic_frame_duration [2022-07-20 01:27:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-07-20 01:27:04,935 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-07-20 01:27:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 01:27:04,936 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 01:27:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2022-07-20 01:27:04,936 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2022-07-20 01:27:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-20 01:27:04,936 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-20 01:27:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 01:27:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 01:27:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2022-07-20 01:27:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2022-07-20 01:27:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2022-07-20 01:27:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2022-07-20 01:27:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2022-07-20 01:27:04,938 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2022-07-20 01:27:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2022-07-20 01:27:04,939 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2022-07-20 01:27:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2022-07-20 01:27:04,939 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2022-07-20 01:27:04,940 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2022-07-20 01:27:04,940 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2022-07-20 01:27:04,940 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 01:27:04,940 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 01:27:04,940 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-20 01:27:04,940 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-20 01:27:04,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 01:27:04,941 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2022-07-20 01:27:04,941 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2022-07-20 01:27:04,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-20 01:27:04,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 01:27:04,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 01:27:04,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-20 01:27:04,942 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2022-07-20 01:27:04,942 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2022-07-20 01:27:04,942 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-20 01:27:04,942 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-20 01:27:04,942 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2022-07-20 01:27:04,942 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2022-07-20 01:27:04,942 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2022-07-20 01:27:04,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2022-07-20 01:27:04,943 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 01:27:04,943 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 01:27:04,943 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 01:27:04,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 01:27:04,943 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2022-07-20 01:27:04,943 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2022-07-20 01:27:04,944 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2022-07-20 01:27:04,944 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2022-07-20 01:27:04,944 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2022-07-20 01:27:04,944 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2022-07-20 01:27:04,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_10 [2022-07-20 01:27:04,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_10 [2022-07-20 01:27:04,944 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 01:27:04,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 01:27:04,945 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2022-07-20 01:27:04,945 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2022-07-20 01:27:04,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 01:27:04,945 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 01:27:04,945 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-07-20 01:27:04,945 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-07-20 01:27:04,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-20 01:27:04,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-20 01:27:04,946 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-20 01:27:04,946 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-20 01:27:04,946 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2022-07-20 01:27:04,946 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2022-07-20 01:27:04,946 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2022-07-20 01:27:04,946 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2022-07-20 01:27:04,947 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-20 01:27:04,947 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-20 01:27:04,947 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 01:27:04,947 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 01:27:04,947 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2022-07-20 01:27:04,947 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2022-07-20 01:27:04,947 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2022-07-20 01:27:04,948 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2022-07-20 01:27:04,948 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2022-07-20 01:27:04,948 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2022-07-20 01:27:04,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 01:27:04,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 01:27:04,948 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-20 01:27:04,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-20 01:27:04,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 01:27:04,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 01:27:04,949 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-20 01:27:04,949 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-20 01:27:04,949 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-20 01:27:04,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-20 01:27:04,950 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2022-07-20 01:27:04,950 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2022-07-20 01:27:04,950 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 01:27:04,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 01:27:04,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 01:27:04,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-20 01:27:04,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-20 01:27:04,954 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 01:27:04,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 01:27:04,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-20 01:27:04,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_10 [2022-07-20 01:27:04,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_10 [2022-07-20 01:27:04,955 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2022-07-20 01:27:04,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2022-07-20 01:27:04,955 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_init [2022-07-20 01:27:04,955 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_init [2022-07-20 01:27:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2022-07-20 01:27:04,956 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2022-07-20 01:27:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2022-07-20 01:27:04,956 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2022-07-20 01:27:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam2 [2022-07-20 01:27:04,956 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam2 [2022-07-20 01:27:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2022-07-20 01:27:04,956 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2022-07-20 01:27:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2022-07-20 01:27:04,957 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2022-07-20 01:27:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2022-07-20 01:27:04,957 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2022-07-20 01:27:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-20 01:27:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_basic_rates [2022-07-20 01:27:04,957 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_basic_rates [2022-07-20 01:27:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-07-20 01:27:04,958 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-07-20 01:27:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 01:27:04,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 01:27:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 01:27:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-20 01:27:04,958 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-20 01:27:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2022-07-20 01:27:04,959 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2022-07-20 01:27:04,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 01:27:04,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 01:27:04,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 01:27:04,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 01:27:04,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 01:27:04,959 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_tx [2022-07-20 01:27:04,959 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_tx [2022-07-20 01:27:04,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 01:27:04,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 01:27:04,960 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2022-07-20 01:27:04,960 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2022-07-20 01:27:04,960 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-20 01:27:04,960 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-20 01:27:04,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2022-07-20 01:27:04,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2022-07-20 01:27:04,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_4 [2022-07-20 01:27:04,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_4 [2022-07-20 01:27:04,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_9 [2022-07-20 01:27:04,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_9 [2022-07-20 01:27:04,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_8 [2022-07-20 01:27:04,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_8 [2022-07-20 01:27:04,961 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2022-07-20 01:27:04,962 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2022-07-20 01:27:04,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_7 [2022-07-20 01:27:04,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_7 [2022-07-20 01:27:04,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_6 [2022-07-20 01:27:04,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_6 [2022-07-20 01:27:04,962 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2022-07-20 01:27:04,964 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2022-07-20 01:27:04,964 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2022-07-20 01:27:04,964 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2022-07-20 01:27:04,964 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_set_channel [2022-07-20 01:27:04,964 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_set_channel [2022-07-20 01:27:04,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 01:27:04,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 01:27:04,965 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-20 01:27:04,965 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-20 01:27:04,965 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-20 01:27:04,965 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-20 01:27:04,965 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2022-07-20 01:27:04,965 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2022-07-20 01:27:04,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 01:27:04,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 01:27:04,966 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-07-20 01:27:04,966 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-07-20 01:27:04,966 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 01:27:04,966 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 01:27:04,966 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_int_disable [2022-07-20 01:27:04,966 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_int_disable [2022-07-20 01:27:04,967 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2022-07-20 01:27:04,967 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2022-07-20 01:27:04,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 01:27:04,967 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2022-07-20 01:27:04,967 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2022-07-20 01:27:04,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 01:27:04,967 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_stop [2022-07-20 01:27:04,968 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_stop [2022-07-20 01:27:04,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-20 01:27:04,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-20 01:27:04,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-20 01:27:04,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 01:27:04,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 01:27:04,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 01:27:04,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 01:27:04,969 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_init [2022-07-20 01:27:04,969 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_init [2022-07-20 01:27:04,969 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-20 01:27:04,969 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-20 01:27:04,969 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-20 01:27:04,969 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-20 01:27:04,969 INFO L130 BoogieDeclarations]: Found specification of procedure _ieee80211_hw_set [2022-07-20 01:27:04,969 INFO L138 BoogieDeclarations]: Found implementation of procedure _ieee80211_hw_set [2022-07-20 01:27:04,970 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2022-07-20 01:27:04,970 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2022-07-20 01:27:04,970 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2022-07-20 01:27:04,970 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2022-07-20 01:27:04,970 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_readreg [2022-07-20 01:27:04,970 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_readreg [2022-07-20 01:27:04,970 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_beacon_work [2022-07-20 01:27:04,971 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_beacon_work [2022-07-20 01:27:04,971 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2022-07-20 01:27:04,971 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2022-07-20 01:27:04,971 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-20 01:27:04,972 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-20 01:27:04,972 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2022-07-20 01:27:04,972 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2022-07-20 01:27:04,972 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_rx [2022-07-20 01:27:04,972 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_rx [2022-07-20 01:27:04,972 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2022-07-20 01:27:04,972 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2022-07-20 01:27:04,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 01:27:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-20 01:27:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2022-07-20 01:27:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2022-07-20 01:27:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 01:27:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-20 01:27:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-20 01:27:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-20 01:27:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 01:27:04,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 01:27:04,974 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2022-07-20 01:27:04,974 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2022-07-20 01:27:04,974 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2022-07-20 01:27:04,974 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2022-07-20 01:27:04,974 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_conf_ac_parm [2022-07-20 01:27:04,974 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_conf_ac_parm [2022-07-20 01:27:04,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 01:27:04,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 01:27:04,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-20 01:27:04,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-20 01:27:04,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-07-20 01:27:04,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-07-20 01:27:04,975 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_stop [2022-07-20 01:27:04,975 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_stop [2022-07-20 01:27:04,976 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-20 01:27:04,976 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-20 01:27:04,976 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2022-07-20 01:27:04,976 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2022-07-20 01:27:04,976 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-20 01:27:04,976 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-20 01:27:04,976 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-20 01:27:04,976 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-20 01:27:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2022-07-20 01:27:04,977 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2022-07-20 01:27:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2022-07-20 01:27:04,977 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2022-07-20 01:27:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2022-07-20 01:27:04,977 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2022-07-20 01:27:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_three_wire_io [2022-07-20 01:27:04,977 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_three_wire_io [2022-07-20 01:27:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2022-07-20 01:27:04,978 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2022-07-20 01:27:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2022-07-20 01:27:04,978 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2022-07-20 01:27:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-20 01:27:04,978 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-20 01:27:05,996 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 01:27:06,003 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 01:27:08,917 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 01:28:00,181 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 01:28:00,203 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 01:28:00,204 INFO L299 CfgBuilder]: Removed 78 assume(true) statements. [2022-07-20 01:28:00,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:28:00 BoogieIcfgContainer [2022-07-20 01:28:00,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 01:28:00,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 01:28:00,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 01:28:00,215 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 01:28:00,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:26:58" (1/3) ... [2022-07-20 01:28:00,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a181c3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:28:00, skipping insertion in model container [2022-07-20 01:28:00,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:27:04" (2/3) ... [2022-07-20 01:28:00,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a181c3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:28:00, skipping insertion in model container [2022-07-20 01:28:00,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:28:00" (3/3) ... [2022-07-20 01:28:00,218 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2022-07-20 01:28:00,230 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 01:28:00,231 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 01:28:00,342 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 01:28:00,351 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@11d433cf, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5c86237f [2022-07-20 01:28:00,351 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 01:28:00,368 INFO L276 IsEmpty]: Start isEmpty. Operand has 3746 states, 2156 states have (on average 1.312152133580705) internal successors, (2829), 2311 states have internal predecessors, (2829), 1537 states have call successors, (1537), 130 states have call predecessors, (1537), 129 states have return successors, (1522), 1485 states have call predecessors, (1522), 1522 states have call successors, (1522) [2022-07-20 01:28:00,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2022-07-20 01:28:00,402 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:28:00,403 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:28:00,404 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:28:00,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:28:00,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1156017786, now seen corresponding path program 1 times [2022-07-20 01:28:00,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:28:00,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1224133541] [2022-07-20 01:28:00,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:28:00,432 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:28:00,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:28:00,437 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) [2022-07-20 01:28:00,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 01:28:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:28:11,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 4399 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-20 01:28:11,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:28:11,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 199 proven. 0 refuted. 0 times theorem prover too weak. 860 trivial. 0 not checked. [2022-07-20 01:28:11,080 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:28:11,081 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:28:11,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1224133541] [2022-07-20 01:28:11,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1224133541] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:28:11,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:28:11,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 01:28:11,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290999406] [2022-07-20 01:28:11,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:28:11,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-20 01:28:11,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:28:11,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-20 01:28:11,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-20 01:28:11,124 INFO L87 Difference]: Start difference. First operand has 3746 states, 2156 states have (on average 1.312152133580705) internal successors, (2829), 2311 states have internal predecessors, (2829), 1537 states have call successors, (1537), 130 states have call predecessors, (1537), 129 states have return successors, (1522), 1485 states have call predecessors, (1522), 1522 states have call successors, (1522) Second operand has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-20 01:28:11,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:28:11,482 INFO L93 Difference]: Finished difference Result 7253 states and 11443 transitions. [2022-07-20 01:28:11,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-20 01:28:11,484 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 279 [2022-07-20 01:28:11,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:28:11,537 INFO L225 Difference]: With dead ends: 7253 [2022-07-20 01:28:11,538 INFO L226 Difference]: Without dead ends: 3484 [2022-07-20 01:28:11,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-20 01:28:11,579 INFO L413 NwaCegarLoop]: 5416 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5416 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 01:28:11,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5416 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 01:28:11,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3484 states. [2022-07-20 01:28:11,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3484 to 3484. [2022-07-20 01:28:11,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3484 states, 1911 states have (on average 1.3003663003663004) internal successors, (2485), 1980 states have internal predecessors, (2485), 1444 states have call successors, (1444), 129 states have call predecessors, (1444), 128 states have return successors, (1443), 1406 states have call predecessors, (1443), 1443 states have call successors, (1443) [2022-07-20 01:28:11,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3484 states to 3484 states and 5372 transitions. [2022-07-20 01:28:11,948 INFO L78 Accepts]: Start accepts. Automaton has 3484 states and 5372 transitions. Word has length 279 [2022-07-20 01:28:11,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:28:11,949 INFO L495 AbstractCegarLoop]: Abstraction has 3484 states and 5372 transitions. [2022-07-20 01:28:11,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-20 01:28:11,950 INFO L276 IsEmpty]: Start isEmpty. Operand 3484 states and 5372 transitions. [2022-07-20 01:28:11,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2022-07-20 01:28:11,955 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:28:11,955 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:28:12,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-20 01:28:12,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:28:12,176 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:28:12,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:28:12,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1870882658, now seen corresponding path program 1 times [2022-07-20 01:28:12,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:28:12,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1014619653] [2022-07-20 01:28:12,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:28:12,183 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:28:12,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:28:12,190 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) [2022-07-20 01:28:12,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 01:28:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:28:26,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 4399 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-20 01:28:26,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:28:26,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 1014 trivial. 0 not checked. [2022-07-20 01:28:26,422 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:28:26,423 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:28:26,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1014619653] [2022-07-20 01:28:26,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1014619653] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:28:26,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:28:26,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:28:26,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910182772] [2022-07-20 01:28:26,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:28:26,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:28:26,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:28:26,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:28:26,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:28:26,429 INFO L87 Difference]: Start difference. First operand 3484 states and 5372 transitions. Second operand has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-20 01:28:27,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:28:27,910 INFO L93 Difference]: Finished difference Result 6946 states and 10737 transitions. [2022-07-20 01:28:27,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 01:28:27,912 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 279 [2022-07-20 01:28:27,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:28:27,947 INFO L225 Difference]: With dead ends: 6946 [2022-07-20 01:28:27,948 INFO L226 Difference]: Without dead ends: 3485 [2022-07-20 01:28:27,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-20 01:28:27,977 INFO L413 NwaCegarLoop]: 5357 mSDtfsCounter, 6 mSDsluCounter, 21394 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 26751 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-20 01:28:27,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 26751 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-20 01:28:27,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3485 states. [2022-07-20 01:28:28,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3485 to 3485. [2022-07-20 01:28:28,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3485 states, 1912 states have (on average 1.3002092050209204) internal successors, (2486), 1981 states have internal predecessors, (2486), 1444 states have call successors, (1444), 129 states have call predecessors, (1444), 128 states have return successors, (1443), 1406 states have call predecessors, (1443), 1443 states have call successors, (1443) [2022-07-20 01:28:28,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3485 states to 3485 states and 5373 transitions. [2022-07-20 01:28:28,201 INFO L78 Accepts]: Start accepts. Automaton has 3485 states and 5373 transitions. Word has length 279 [2022-07-20 01:28:28,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:28:28,203 INFO L495 AbstractCegarLoop]: Abstraction has 3485 states and 5373 transitions. [2022-07-20 01:28:28,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-20 01:28:28,204 INFO L276 IsEmpty]: Start isEmpty. Operand 3485 states and 5373 transitions. [2022-07-20 01:28:28,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-07-20 01:28:28,209 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:28:28,210 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:28:28,365 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-20 01:28:28,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:28:28,432 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:28:28,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:28:28,432 INFO L85 PathProgramCache]: Analyzing trace with hash -441142654, now seen corresponding path program 1 times [2022-07-20 01:28:28,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:28:28,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1457024172] [2022-07-20 01:28:28,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:28:28,439 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:28:28,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:28:28,440 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) [2022-07-20 01:28:28,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 01:28:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:28:44,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 4465 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-20 01:28:44,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:28:45,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1110 backedges. 60 proven. 1 refuted. 0 times theorem prover too weak. 1049 trivial. 0 not checked. [2022-07-20 01:28:45,257 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 01:28:46,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1110 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2022-07-20 01:28:46,935 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:28:46,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1457024172] [2022-07-20 01:28:46,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1457024172] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 01:28:46,936 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 01:28:46,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-20 01:28:46,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511553780] [2022-07-20 01:28:46,937 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 01:28:46,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-20 01:28:46,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:28:46,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-20 01:28:46,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-20 01:28:46,939 INFO L87 Difference]: Start difference. First operand 3485 states and 5373 transitions. Second operand has 11 states, 9 states have (on average 8.0) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (32), 2 states have call predecessors, (32), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-20 01:28:49,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:28:49,639 INFO L93 Difference]: Finished difference Result 6958 states and 10753 transitions. [2022-07-20 01:28:49,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-20 01:28:49,642 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 8.0) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (32), 2 states have call predecessors, (32), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 285 [2022-07-20 01:28:49,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:28:49,686 INFO L225 Difference]: With dead ends: 6958 [2022-07-20 01:28:49,686 INFO L226 Difference]: Without dead ends: 3501 [2022-07-20 01:28:49,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 572 GetRequests, 559 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-07-20 01:28:49,722 INFO L413 NwaCegarLoop]: 5360 mSDtfsCounter, 14 mSDsluCounter, 32107 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 37467 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-20 01:28:49,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 37467 Invalid, 213 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [35 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-20 01:28:49,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3501 states. [2022-07-20 01:28:49,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3501 to 3501. [2022-07-20 01:28:49,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3501 states, 1923 states have (on average 1.2990119604784192) internal successors, (2498), 1992 states have internal predecessors, (2498), 1446 states have call successors, (1446), 132 states have call predecessors, (1446), 131 states have return successors, (1445), 1408 states have call predecessors, (1445), 1445 states have call successors, (1445) [2022-07-20 01:28:49,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3501 states to 3501 states and 5389 transitions. [2022-07-20 01:28:49,987 INFO L78 Accepts]: Start accepts. Automaton has 3501 states and 5389 transitions. Word has length 285 [2022-07-20 01:28:49,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:28:49,989 INFO L495 AbstractCegarLoop]: Abstraction has 3501 states and 5389 transitions. [2022-07-20 01:28:49,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 8.0) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (32), 2 states have call predecessors, (32), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-20 01:28:49,989 INFO L276 IsEmpty]: Start isEmpty. Operand 3501 states and 5389 transitions. [2022-07-20 01:28:49,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2022-07-20 01:28:49,994 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:28:49,994 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:28:50,194 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-20 01:28:50,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:28:50,195 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:28:50,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:28:50,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1156138526, now seen corresponding path program 2 times [2022-07-20 01:28:50,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:28:50,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1892210802] [2022-07-20 01:28:50,201 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 01:28:50,201 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:28:50,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:28:50,203 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) [2022-07-20 01:28:50,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-20 01:29:00,534 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-20 01:29:00,534 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 01:29:00,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 3692 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:29:00,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:29:01,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1197 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1197 trivial. 0 not checked. [2022-07-20 01:29:01,110 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:29:01,111 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:29:01,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1892210802] [2022-07-20 01:29:01,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1892210802] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:29:01,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:29:01,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:29:01,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359489310] [2022-07-20 01:29:01,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:29:01,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:29:01,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:29:01,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:29:01,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:29:01,112 INFO L87 Difference]: Start difference. First operand 3501 states and 5389 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2022-07-20 01:29:02,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:29:02,477 INFO L93 Difference]: Finished difference Result 9835 states and 15173 transitions. [2022-07-20 01:29:02,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:29:02,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 291 [2022-07-20 01:29:02,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:29:02,549 INFO L225 Difference]: With dead ends: 9835 [2022-07-20 01:29:02,550 INFO L226 Difference]: Without dead ends: 6384 [2022-07-20 01:29:02,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:29:02,589 INFO L413 NwaCegarLoop]: 7448 mSDtfsCounter, 4502 mSDsluCounter, 5249 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4502 SdHoareTripleChecker+Valid, 12697 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-20 01:29:02,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4502 Valid, 12697 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-20 01:29:02,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6384 states. [2022-07-20 01:29:03,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6384 to 6380. [2022-07-20 01:29:03,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6380 states, 3452 states have (on average 1.2989571263035922) internal successors, (4484), 3569 states have internal predecessors, (4484), 2678 states have call successors, (2678), 248 states have call predecessors, (2678), 249 states have return successors, (2686), 2624 states have call predecessors, (2686), 2677 states have call successors, (2686) [2022-07-20 01:29:03,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6380 states to 6380 states and 9848 transitions. [2022-07-20 01:29:03,112 INFO L78 Accepts]: Start accepts. Automaton has 6380 states and 9848 transitions. Word has length 291 [2022-07-20 01:29:03,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:29:03,115 INFO L495 AbstractCegarLoop]: Abstraction has 6380 states and 9848 transitions. [2022-07-20 01:29:03,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2022-07-20 01:29:03,115 INFO L276 IsEmpty]: Start isEmpty. Operand 6380 states and 9848 transitions. [2022-07-20 01:29:03,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2022-07-20 01:29:03,127 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:29:03,127 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-07-20 01:29:03,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-20 01:29:03,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:29:03,348 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:29:03,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:29:03,348 INFO L85 PathProgramCache]: Analyzing trace with hash -893825162, now seen corresponding path program 1 times [2022-07-20 01:29:03,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:29:03,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1409085577] [2022-07-20 01:29:03,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:29:03,353 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:29:03,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:29:03,354 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) [2022-07-20 01:29:03,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-20 01:29:18,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:29:19,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 4846 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-20 01:29:19,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:29:19,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 85 proven. 3 refuted. 0 times theorem prover too weak. 1112 trivial. 0 not checked. [2022-07-20 01:29:19,829 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 01:29:21,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2022-07-20 01:29:21,996 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:29:21,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1409085577] [2022-07-20 01:29:21,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1409085577] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 01:29:21,997 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 01:29:21,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-20 01:29:21,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755508524] [2022-07-20 01:29:21,998 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 01:29:21,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-20 01:29:22,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:29:22,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-20 01:29:22,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-20 01:29:22,001 INFO L87 Difference]: Start difference. First operand 6380 states and 9848 transitions. Second operand has 13 states, 11 states have (on average 10.818181818181818) internal successors, (119), 13 states have internal predecessors, (119), 4 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2022-07-20 01:29:24,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:29:24,882 INFO L93 Difference]: Finished difference Result 12750 states and 19715 transitions. [2022-07-20 01:29:24,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-20 01:29:24,884 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 10.818181818181818) internal successors, (119), 13 states have internal predecessors, (119), 4 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 340 [2022-07-20 01:29:24,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:29:24,972 INFO L225 Difference]: With dead ends: 12750 [2022-07-20 01:29:24,972 INFO L226 Difference]: Without dead ends: 6393 [2022-07-20 01:29:25,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 683 GetRequests, 667 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2022-07-20 01:29:25,022 INFO L413 NwaCegarLoop]: 5360 mSDtfsCounter, 23 mSDsluCounter, 26768 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 32128 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-20 01:29:25,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 32128 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-20 01:29:25,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6393 states. [2022-07-20 01:29:25,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6393 to 6393. [2022-07-20 01:29:25,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6393 states, 3462 states have (on average 1.2986712882726748) internal successors, (4496), 3579 states have internal predecessors, (4496), 2679 states have call successors, (2679), 250 states have call predecessors, (2679), 251 states have return successors, (2687), 2625 states have call predecessors, (2687), 2678 states have call successors, (2687) [2022-07-20 01:29:25,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6393 states to 6393 states and 9862 transitions. [2022-07-20 01:29:25,560 INFO L78 Accepts]: Start accepts. Automaton has 6393 states and 9862 transitions. Word has length 340 [2022-07-20 01:29:25,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:29:25,561 INFO L495 AbstractCegarLoop]: Abstraction has 6393 states and 9862 transitions. [2022-07-20 01:29:25,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 10.818181818181818) internal successors, (119), 13 states have internal predecessors, (119), 4 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2022-07-20 01:29:25,561 INFO L276 IsEmpty]: Start isEmpty. Operand 6393 states and 9862 transitions. [2022-07-20 01:29:25,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2022-07-20 01:29:25,573 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:29:25,573 INFO L195 NwaCegarLoop]: trace histogram [17, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-07-20 01:29:25,787 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forcibly destroying the process [2022-07-20 01:29:25,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-20 01:29:25,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:29:25,848 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:29:25,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:29:25,848 INFO L85 PathProgramCache]: Analyzing trace with hash -759897951, now seen corresponding path program 1 times [2022-07-20 01:29:25,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:29:25,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [148519661] [2022-07-20 01:29:25,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:29:25,855 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:29:25,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:29:25,860 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) [2022-07-20 01:29:25,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-20 01:29:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:29:41,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 4905 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-20 01:29:41,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:29:42,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 1178 trivial. 0 not checked. [2022-07-20 01:29:42,085 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 01:29:44,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 1188 trivial. 0 not checked. [2022-07-20 01:29:44,648 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:29:44,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [148519661] [2022-07-20 01:29:44,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [148519661] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 01:29:44,648 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 01:29:44,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-20 01:29:44,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937611290] [2022-07-20 01:29:44,649 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 01:29:44,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-20 01:29:44,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:29:44,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-20 01:29:44,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-20 01:29:44,651 INFO L87 Difference]: Start difference. First operand 6393 states and 9862 transitions. Second operand has 15 states, 13 states have (on average 9.461538461538462) internal successors, (123), 15 states have internal predecessors, (123), 4 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2022-07-20 01:29:47,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:29:47,909 INFO L93 Difference]: Finished difference Result 12770 states and 19732 transitions. [2022-07-20 01:29:47,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-20 01:29:47,911 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 9.461538461538462) internal successors, (123), 15 states have internal predecessors, (123), 4 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 347 [2022-07-20 01:29:47,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:29:47,970 INFO L225 Difference]: With dead ends: 12770 [2022-07-20 01:29:47,970 INFO L226 Difference]: Without dead ends: 6395 [2022-07-20 01:29:48,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 698 GetRequests, 679 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2022-07-20 01:29:48,004 INFO L413 NwaCegarLoop]: 5361 mSDtfsCounter, 28 mSDsluCounter, 37462 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 42823 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-20 01:29:48,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 42823 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-20 01:29:48,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6395 states. [2022-07-20 01:29:48,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6395 to 6395. [2022-07-20 01:29:48,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6395 states, 3464 states have (on average 1.298498845265589) internal successors, (4498), 3581 states have internal predecessors, (4498), 2679 states have call successors, (2679), 250 states have call predecessors, (2679), 251 states have return successors, (2687), 2625 states have call predecessors, (2687), 2678 states have call successors, (2687) [2022-07-20 01:29:48,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6395 states to 6395 states and 9864 transitions. [2022-07-20 01:29:48,409 INFO L78 Accepts]: Start accepts. Automaton has 6395 states and 9864 transitions. Word has length 347 [2022-07-20 01:29:48,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:29:48,410 INFO L495 AbstractCegarLoop]: Abstraction has 6395 states and 9864 transitions. [2022-07-20 01:29:48,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 9.461538461538462) internal successors, (123), 15 states have internal predecessors, (123), 4 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2022-07-20 01:29:48,410 INFO L276 IsEmpty]: Start isEmpty. Operand 6395 states and 9864 transitions. [2022-07-20 01:29:48,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2022-07-20 01:29:48,418 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:29:48,419 INFO L195 NwaCegarLoop]: trace histogram [22, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-07-20 01:29:48,635 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forcibly destroying the process [2022-07-20 01:29:48,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-20 01:29:48,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:29:48,655 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:29:48,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:29:48,656 INFO L85 PathProgramCache]: Analyzing trace with hash 896705633, now seen corresponding path program 1 times [2022-07-20 01:29:48,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:29:48,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1399620742] [2022-07-20 01:29:48,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:29:48,661 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:29:48,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:29:48,664 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) [2022-07-20 01:29:48,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-20 01:30:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:30:10,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 4964 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-20 01:30:10,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:30:10,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 269 proven. 10 refuted. 0 times theorem prover too weak. 1146 trivial. 0 not checked. [2022-07-20 01:30:10,828 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 01:30:13,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 114 proven. 41 refuted. 0 times theorem prover too weak. 1270 trivial. 0 not checked. [2022-07-20 01:30:13,884 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:30:13,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1399620742] [2022-07-20 01:30:13,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1399620742] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 01:30:13,885 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 01:30:13,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2022-07-20 01:30:13,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467632306] [2022-07-20 01:30:13,885 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 01:30:13,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-20 01:30:13,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:30:13,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-20 01:30:13,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2022-07-20 01:30:13,887 INFO L87 Difference]: Start difference. First operand 6395 states and 9864 transitions. Second operand has 17 states, 15 states have (on average 8.066666666666666) internal successors, (121), 17 states have internal predecessors, (121), 4 states have call successors, (40), 2 states have call predecessors, (40), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-20 01:30:17,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:30:17,297 INFO L93 Difference]: Finished difference Result 12777 states and 19743 transitions. [2022-07-20 01:30:17,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-20 01:30:17,299 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 8.066666666666666) internal successors, (121), 17 states have internal predecessors, (121), 4 states have call successors, (40), 2 states have call predecessors, (40), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) Word has length 348 [2022-07-20 01:30:17,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:30:17,355 INFO L225 Difference]: With dead ends: 12777 [2022-07-20 01:30:17,355 INFO L226 Difference]: Without dead ends: 6405 [2022-07-20 01:30:17,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 700 GetRequests, 679 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2022-07-20 01:30:17,396 INFO L413 NwaCegarLoop]: 5359 mSDtfsCounter, 40 mSDsluCounter, 53522 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 58881 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-20 01:30:17,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 58881 Invalid, 339 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [44 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-20 01:30:17,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6405 states. [2022-07-20 01:30:17,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6405 to 6405. [2022-07-20 01:30:17,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6405 states, 3473 states have (on average 1.2985891160380074) internal successors, (4510), 3590 states have internal predecessors, (4510), 2679 states have call successors, (2679), 251 states have call predecessors, (2679), 252 states have return successors, (2687), 2625 states have call predecessors, (2687), 2678 states have call successors, (2687) [2022-07-20 01:30:17,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6405 states to 6405 states and 9876 transitions. [2022-07-20 01:30:17,788 INFO L78 Accepts]: Start accepts. Automaton has 6405 states and 9876 transitions. Word has length 348 [2022-07-20 01:30:17,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:30:17,789 INFO L495 AbstractCegarLoop]: Abstraction has 6405 states and 9876 transitions. [2022-07-20 01:30:17,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 8.066666666666666) internal successors, (121), 17 states have internal predecessors, (121), 4 states have call successors, (40), 2 states have call predecessors, (40), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-20 01:30:17,789 INFO L276 IsEmpty]: Start isEmpty. Operand 6405 states and 9876 transitions. [2022-07-20 01:30:17,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2022-07-20 01:30:17,796 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:30:17,796 INFO L195 NwaCegarLoop]: trace histogram [23, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-07-20 01:30:18,016 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forcibly destroying the process [2022-07-20 01:30:18,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-20 01:30:18,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:30:18,048 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:30:18,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:30:18,049 INFO L85 PathProgramCache]: Analyzing trace with hash -561425126, now seen corresponding path program 1 times [2022-07-20 01:30:18,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:30:18,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [523639181] [2022-07-20 01:30:18,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:30:18,056 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:30:18,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:30:18,058 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) [2022-07-20 01:30:18,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-20 01:30:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:30:39,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 4977 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-20 01:30:39,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:30:40,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1453 backedges. 292 proven. 15 refuted. 0 times theorem prover too weak. 1146 trivial. 0 not checked. [2022-07-20 01:30:40,503 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 01:30:43,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1453 backedges. 132 proven. 51 refuted. 0 times theorem prover too weak. 1270 trivial. 0 not checked. [2022-07-20 01:30:43,938 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:30:43,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [523639181] [2022-07-20 01:30:43,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [523639181] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 01:30:43,939 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 01:30:43,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2022-07-20 01:30:43,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694074171] [2022-07-20 01:30:43,939 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 01:30:43,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-07-20 01:30:43,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:30:43,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-07-20 01:30:43,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2022-07-20 01:30:43,941 INFO L87 Difference]: Start difference. First operand 6405 states and 9876 transitions. Second operand has 19 states, 17 states have (on average 7.294117647058823) internal successors, (124), 19 states have internal predecessors, (124), 4 states have call successors, (40), 2 states have call predecessors, (40), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-20 01:30:47,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:30:47,686 INFO L93 Difference]: Finished difference Result 12769 states and 19726 transitions. [2022-07-20 01:30:47,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-20 01:30:47,687 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 7.294117647058823) internal successors, (124), 19 states have internal predecessors, (124), 4 states have call successors, (40), 2 states have call predecessors, (40), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) Word has length 350 [2022-07-20 01:30:47,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:30:47,722 INFO L225 Difference]: With dead ends: 12769 [2022-07-20 01:30:47,722 INFO L226 Difference]: Without dead ends: 6407 [2022-07-20 01:30:47,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 705 GetRequests, 681 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=132, Invalid=518, Unknown=0, NotChecked=0, Total=650 [2022-07-20 01:30:47,747 INFO L413 NwaCegarLoop]: 5359 mSDtfsCounter, 63 mSDsluCounter, 53535 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 58894 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-20 01:30:47,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 58894 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-20 01:30:47,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6407 states. [2022-07-20 01:30:48,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6407 to 6407. [2022-07-20 01:30:48,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6407 states, 3475 states have (on average 1.2984172661870503) internal successors, (4512), 3592 states have internal predecessors, (4512), 2679 states have call successors, (2679), 251 states have call predecessors, (2679), 252 states have return successors, (2687), 2625 states have call predecessors, (2687), 2678 states have call successors, (2687)