./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.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 73868717431db2e2213c78014bba9664fa2a1aea672a285381bce5667bb4d0d4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 15:29:13,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 15:29:13,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 15:29:13,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 15:29:13,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 15:29:13,094 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 15:29:13,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 15:29:13,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 15:29:13,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 15:29:13,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 15:29:13,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 15:29:13,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 15:29:13,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 15:29:13,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 15:29:13,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 15:29:13,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 15:29:13,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 15:29:13,116 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 15:29:13,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 15:29:13,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 15:29:13,125 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 15:29:13,126 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 15:29:13,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 15:29:13,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 15:29:13,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 15:29:13,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 15:29:13,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 15:29:13,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 15:29:13,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 15:29:13,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 15:29:13,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 15:29:13,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 15:29:13,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 15:29:13,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 15:29:13,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 15:29:13,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 15:29:13,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 15:29:13,142 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 15:29:13,142 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 15:29:13,143 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 15:29:13,143 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 15:29:13,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 15:29:13,146 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 15:29:13,166 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 15:29:13,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 15:29:13,167 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 15:29:13,168 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 15:29:13,168 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 15:29:13,168 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 15:29:13,169 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 15:29:13,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 15:29:13,169 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 15:29:13,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 15:29:13,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 15:29:13,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 15:29:13,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 15:29:13,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 15:29:13,170 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 15:29:13,170 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 15:29:13,170 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 15:29:13,170 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 15:29:13,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 15:29:13,171 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 15:29:13,171 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 15:29:13,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:29:13,171 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 15:29:13,171 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 15:29:13,171 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 15:29:13,171 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 15:29:13,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 15:29:13,172 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 15:29:13,172 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 15:29:13,172 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 15:29:13,172 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73868717431db2e2213c78014bba9664fa2a1aea672a285381bce5667bb4d0d4 [2022-07-12 15:29:13,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 15:29:13,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 15:29:13,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 15:29:13,419 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 15:29:13,420 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 15:29:13,421 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i [2022-07-12 15:29:13,481 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2231fdd4d/98a1ce22cfd040f78dc9c0019c5ed888/FLAG24d7bd4d6 [2022-07-12 15:29:14,227 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 15:29:14,228 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i [2022-07-12 15:29:14,278 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2231fdd4d/98a1ce22cfd040f78dc9c0019c5ed888/FLAG24d7bd4d6 [2022-07-12 15:29:14,744 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2231fdd4d/98a1ce22cfd040f78dc9c0019c5ed888 [2022-07-12 15:29:14,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 15:29:14,748 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 15:29:14,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 15:29:14,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 15:29:14,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 15:29:14,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:29:14" (1/1) ... [2022-07-12 15:29:14,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@127040ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:29:14, skipping insertion in model container [2022-07-12 15:29:14,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:29:14" (1/1) ... [2022-07-12 15:29:14,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 15:29:14,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 15:29:17,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421155,421168] [2022-07-12 15:29:17,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421302,421315] [2022-07-12 15:29:17,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421441,421454] [2022-07-12 15:29:17,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421599,421612] [2022-07-12 15:29:17,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:29:17,883 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 15:29:18,140 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: reg = reg & 4043309055U [10107] 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.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) [2022-07-12 15:29:18,150 INFO L158 Benchmark]: Toolchain (without parser) took 3400.86ms. Allocated memory was 109.1MB in the beginning and 205.5MB in the end (delta: 96.5MB). Free memory was 74.5MB in the beginning and 129.6MB in the end (delta: -55.1MB). Peak memory consumption was 85.9MB. Max. memory is 16.1GB. [2022-07-12 15:29:18,151 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 88.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 15:29:18,152 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3399.22ms. Allocated memory was 109.1MB in the beginning and 205.5MB in the end (delta: 96.5MB). Free memory was 74.1MB in the beginning and 129.6MB in the end (delta: -55.5MB). Peak memory consumption was 85.9MB. Max. memory is 16.1GB. [2022-07-12 15:29:18,154 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 88.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3399.22ms. Allocated memory was 109.1MB in the beginning and 205.5MB in the end (delta: 96.5MB). Free memory was 74.1MB in the beginning and 129.6MB in the end (delta: -55.5MB). Peak memory consumption was 85.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: reg = reg & 4043309055U [10107] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: reg = reg & 4043309055U [10107]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.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 73868717431db2e2213c78014bba9664fa2a1aea672a285381bce5667bb4d0d4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 15:29:19,868 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 15:29:19,871 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 15:29:19,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 15:29:19,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 15:29:19,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 15:29:19,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 15:29:19,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 15:29:19,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 15:29:19,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 15:29:19,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 15:29:19,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 15:29:19,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 15:29:19,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 15:29:19,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 15:29:19,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 15:29:19,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 15:29:19,944 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 15:29:19,945 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 15:29:19,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 15:29:19,949 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 15:29:19,950 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 15:29:19,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 15:29:19,953 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 15:29:19,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 15:29:19,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 15:29:19,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 15:29:19,963 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 15:29:19,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 15:29:19,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 15:29:19,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 15:29:19,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 15:29:19,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 15:29:19,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 15:29:19,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 15:29:19,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 15:29:19,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 15:29:19,970 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 15:29:19,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 15:29:19,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 15:29:19,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 15:29:19,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 15:29:19,978 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 15:29:20,009 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 15:29:20,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 15:29:20,010 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 15:29:20,010 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 15:29:20,011 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 15:29:20,011 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 15:29:20,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 15:29:20,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 15:29:20,012 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 15:29:20,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 15:29:20,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 15:29:20,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 15:29:20,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 15:29:20,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 15:29:20,014 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 15:29:20,014 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 15:29:20,015 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 15:29:20,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 15:29:20,015 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 15:29:20,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 15:29:20,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 15:29:20,016 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 15:29:20,016 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 15:29:20,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:29:20,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 15:29:20,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 15:29:20,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 15:29:20,017 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 15:29:20,017 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 15:29:20,017 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 15:29:20,018 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 15:29:20,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 15:29:20,018 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 15:29:20,018 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73868717431db2e2213c78014bba9664fa2a1aea672a285381bce5667bb4d0d4 [2022-07-12 15:29:20,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 15:29:20,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 15:29:20,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 15:29:20,378 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 15:29:20,378 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 15:29:20,379 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i [2022-07-12 15:29:20,443 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8044c45e6/8ca2bf9c3472405490d4638d7b9c3767/FLAGb6b656998 [2022-07-12 15:29:21,305 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 15:29:21,306 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i [2022-07-12 15:29:21,366 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8044c45e6/8ca2bf9c3472405490d4638d7b9c3767/FLAGb6b656998 [2022-07-12 15:29:21,804 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8044c45e6/8ca2bf9c3472405490d4638d7b9c3767 [2022-07-12 15:29:21,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 15:29:21,808 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 15:29:21,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 15:29:21,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 15:29:21,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 15:29:21,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:29:21" (1/1) ... [2022-07-12 15:29:21,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ee0053a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:29:21, skipping insertion in model container [2022-07-12 15:29:21,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:29:21" (1/1) ... [2022-07-12 15:29:21,830 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 15:29:22,008 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 15:29:25,219 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421155,421168] [2022-07-12 15:29:25,222 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421302,421315] [2022-07-12 15:29:25,227 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421441,421454] [2022-07-12 15:29:25,228 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421599,421612] [2022-07-12 15:29:25,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:29:25,313 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 15:29:25,416 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 15:29:25,780 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421155,421168] [2022-07-12 15:29:25,781 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421302,421315] [2022-07-12 15:29:25,781 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421441,421454] [2022-07-12 15:29:25,782 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421599,421612] [2022-07-12 15:29:25,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:29:25,821 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 15:29:26,165 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421155,421168] [2022-07-12 15:29:26,166 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421302,421315] [2022-07-12 15:29:26,166 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421441,421454] [2022-07-12 15:29:26,167 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421599,421612] [2022-07-12 15:29:26,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:29:26,458 INFO L208 MainTranslator]: Completed translation [2022-07-12 15:29:26,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:29:26 WrapperNode [2022-07-12 15:29:26,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 15:29:26,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 15:29:26,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 15:29:26,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 15:29:26,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:29:26" (1/1) ... [2022-07-12 15:29:26,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:29:26" (1/1) ... [2022-07-12 15:29:26,757 INFO L137 Inliner]: procedures = 549, calls = 2700, calls flagged for inlining = 309, calls inlined = 257, statements flattened = 5791 [2022-07-12 15:29:26,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 15:29:26,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 15:29:26,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 15:29:26,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 15:29:26,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:29:26" (1/1) ... [2022-07-12 15:29:26,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:29:26" (1/1) ... [2022-07-12 15:29:26,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:29:26" (1/1) ... [2022-07-12 15:29:26,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:29:26" (1/1) ... [2022-07-12 15:29:26,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:29:26" (1/1) ... [2022-07-12 15:29:26,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:29:26" (1/1) ... [2022-07-12 15:29:27,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:29:26" (1/1) ... [2022-07-12 15:29:27,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 15:29:27,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 15:29:27,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 15:29:27,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 15:29:27,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:29:26" (1/1) ... [2022-07-12 15:29:27,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:29:27,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 15:29:27,092 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) [2022-07-12 15:29:27,122 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 [2022-07-12 15:29:27,134 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-12 15:29:27,134 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-12 15:29:27,134 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-07-12 15:29:27,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-07-12 15:29:27,135 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-07-12 15:29:27,135 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-07-12 15:29:27,135 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-12 15:29:27,135 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-12 15:29:27,135 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_mac_processor [2022-07-12 15:29:27,136 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_mac_processor [2022-07-12 15:29:27,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 15:29:27,136 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 15:29:27,136 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32 [2022-07-12 15:29:27,136 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32 [2022-07-12 15:29:27,136 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-12 15:29:27,136 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-12 15:29:27,137 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_regs_len [2022-07-12 15:29:27,137 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_regs_len [2022-07-12 15:29:27,137 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 15:29:27,137 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 15:29:27,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 15:29:27,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 15:29:27,138 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_on [2022-07-12 15:29:27,138 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_on [2022-07-12 15:29:27,138 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_rx_engine [2022-07-12 15:29:27,138 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_rx_engine [2022-07-12 15:29:27,138 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-12 15:29:27,138 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-12 15:29:27,138 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-12 15:29:27,139 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-12 15:29:27,139 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 15:29:27,139 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 15:29:27,139 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 15:29:27,139 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 15:29:27,139 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_link [2022-07-12 15:29:27,140 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_link [2022-07-12 15:29:27,140 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 15:29:27,140 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 15:29:27,140 INFO L130 BoogieDeclarations]: Found specification of procedure jme_netpoll [2022-07-12 15:29:27,140 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_netpoll [2022-07-12 15:29:27,140 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2022-07-12 15:29:27,140 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2022-07-12 15:29:27,141 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-12 15:29:27,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-12 15:29:27,141 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-12 15:29:27,141 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-12 15:29:27,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 15:29:27,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 15:29:27,142 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-12 15:29:27,142 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-12 15:29:27,142 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-12 15:29:27,142 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-12 15:29:27,142 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-12 15:29:27,142 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 15:29:27,142 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 15:29:27,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 15:29:27,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 15:29:27,143 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-12 15:29:27,143 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-12 15:29:27,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 15:29:27,143 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-12 15:29:27,144 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-12 15:29:27,144 INFO L130 BoogieDeclarations]: Found specification of procedure jread32 [2022-07-12 15:29:27,144 INFO L138 BoogieDeclarations]: Found implementation of procedure jread32 [2022-07-12 15:29:27,144 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-07-12 15:29:27,144 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-07-12 15:29:27,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 15:29:27,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 15:29:27,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 15:29:27,145 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2022-07-12 15:29:27,145 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 15:29:27,145 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 15:29:27,145 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_rx_pcc [2022-07-12 15:29:27,145 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_rx_pcc [2022-07-12 15:29:27,146 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-12 15:29:27,146 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-12 15:29:27,146 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-12 15:29:27,146 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-12 15:29:27,146 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_unicastaddr [2022-07-12 15:29:27,146 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_unicastaddr [2022-07-12 15:29:27,146 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 15:29:27,147 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 15:29:27,147 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 15:29:27,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 15:29:27,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 15:29:27,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 15:29:27,147 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_calibration [2022-07-12 15:29:27,148 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_calibration [2022-07-12 15:29:27,148 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 15:29:27,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 15:29:27,148 INFO L130 BoogieDeclarations]: Found specification of procedure jme_restart_rx_engine [2022-07-12 15:29:27,148 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_restart_rx_engine [2022-07-12 15:29:27,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 15:29:27,148 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 15:29:27,149 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-12 15:29:27,149 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-12 15:29:27,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-12 15:29:27,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-12 15:29:27,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 15:29:27,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 15:29:27,150 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_hi_schedule [2022-07-12 15:29:27,150 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_hi_schedule [2022-07-12 15:29:27,150 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-12 15:29:27,150 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-12 15:29:27,150 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 15:29:27,150 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 15:29:27,150 INFO L130 BoogieDeclarations]: Found specification of procedure jme_linkstat_from_phy [2022-07-12 15:29:27,151 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_linkstat_from_phy [2022-07-12 15:29:27,151 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_write [2022-07-12 15:29:27,151 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_write [2022-07-12 15:29:27,151 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_on [2022-07-12 15:29:27,151 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_on [2022-07-12 15:29:27,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 15:29:27,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-12 15:29:27,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-12 15:29:27,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-12 15:29:27,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-12 15:29:27,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-12 15:29:27,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-12 15:29:27,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-12 15:29:27,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-12 15:29:27,153 INFO L130 BoogieDeclarations]: Found specification of procedure smi_phy_addr [2022-07-12 15:29:27,153 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_phy_addr [2022-07-12 15:29:27,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 15:29:27,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 15:29:27,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 15:29:27,154 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 15:29:27,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 15:29:27,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 15:29:27,154 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-12 15:29:27,154 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-12 15:29:27,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 15:29:27,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 15:29:27,155 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 15:29:27,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 15:29:27,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 15:29:27,155 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-12 15:29:27,155 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-12 15:29:27,155 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-12 15:29:27,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-12 15:29:27,156 INFO L130 BoogieDeclarations]: Found specification of procedure reg_dbg [2022-07-12 15:29:27,156 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_dbg [2022-07-12 15:29:27,156 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 15:29:27,156 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 15:29:27,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-12 15:29:27,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-12 15:29:27,157 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-12 15:29:27,157 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-12 15:29:27,157 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 15:29:27,157 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 15:29:27,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 15:29:27,157 INFO L130 BoogieDeclarations]: Found specification of procedure jme_start_irq [2022-07-12 15:29:27,157 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_start_irq [2022-07-12 15:29:27,158 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-12 15:29:27,158 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-12 15:29:27,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 15:29:27,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 15:29:27,158 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-12 15:29:27,158 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-12 15:29:27,158 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-12 15:29:27,159 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-12 15:29:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 15:29:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure jme_fill_tx_map [2022-07-12 15:29:27,159 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_fill_tx_map [2022-07-12 15:29:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_tx_resources [2022-07-12 15:29:27,159 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_tx_resources [2022-07-12 15:29:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-12 15:29:27,160 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-12 15:29:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 15:29:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure jme_polling_mode [2022-07-12 15:29:27,160 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_polling_mode [2022-07-12 15:29:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 15:29:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 15:29:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2022-07-12 15:29:27,160 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2022-07-12 15:29:27,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 15:29:27,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 15:29:27,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 15:29:27,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 15:29:27,161 INFO L130 BoogieDeclarations]: Found specification of procedure jme_remove_one [2022-07-12 15:29:27,161 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_remove_one [2022-07-12 15:29:27,162 INFO L130 BoogieDeclarations]: Found specification of procedure jme_powersave_phy [2022-07-12 15:29:27,162 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_powersave_phy [2022-07-12 15:29:27,162 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_on [2022-07-12 15:29:27,162 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_on [2022-07-12 15:29:27,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2022-07-12 15:29:27,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2022-07-12 15:29:27,162 INFO L130 BoogieDeclarations]: Found specification of procedure new_phy_power_ctrl [2022-07-12 15:29:27,163 INFO L138 BoogieDeclarations]: Found implementation of procedure new_phy_power_ctrl [2022-07-12 15:29:27,163 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 15:29:27,163 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 15:29:27,163 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-07-12 15:29:27,163 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-07-12 15:29:27,163 INFO L130 BoogieDeclarations]: Found specification of procedure jme_intr_msi [2022-07-12 15:29:27,163 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_intr_msi [2022-07-12 15:29:27,164 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32f [2022-07-12 15:29:27,164 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32f [2022-07-12 15:29:27,164 INFO L130 BoogieDeclarations]: Found specification of procedure smi_reg_addr [2022-07-12 15:29:27,164 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_reg_addr [2022-07-12 15:29:27,164 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_settings [2022-07-12 15:29:27,164 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_settings [2022-07-12 15:29:27,164 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-12 15:29:27,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-12 15:29:27,165 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-12 15:29:27,165 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-12 15:29:27,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 15:29:27,165 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 15:29:27,165 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 15:29:27,165 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 15:29:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-12 15:29:27,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-12 15:29:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-12 15:29:27,166 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-12 15:29:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure jme_nway_reset [2022-07-12 15:29:27,166 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_nway_reset [2022-07-12 15:29:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-12 15:29:27,167 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-12 15:29:27,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 15:29:27,167 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-12 15:29:27,167 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-12 15:29:27,167 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-12 15:29:27,167 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-12 15:29:27,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2022-07-12 15:29:27,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2022-07-12 15:29:27,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 15:29:27,168 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_rx_resources [2022-07-12 15:29:27,168 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_rx_resources [2022-07-12 15:29:27,168 INFO L130 BoogieDeclarations]: Found specification of procedure jme_resume [2022-07-12 15:29:27,168 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_resume [2022-07-12 15:29:27,168 INFO L130 BoogieDeclarations]: Found specification of procedure jme_tx_timeout [2022-07-12 15:29:27,169 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_tx_timeout [2022-07-12 15:29:27,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 15:29:27,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 15:29:27,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 15:29:27,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 15:29:27,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 15:29:27,169 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_tx_engine [2022-07-12 15:29:27,170 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_tx_engine [2022-07-12 15:29:27,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-12 15:29:27,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-12 15:29:27,170 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-12 15:29:27,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-12 15:29:27,170 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 15:29:27,170 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 15:29:27,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 15:29:27,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 15:29:27,171 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_off [2022-07-12 15:29:27,171 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_off [2022-07-12 15:29:27,171 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_setEA [2022-07-12 15:29:27,171 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_setEA [2022-07-12 15:29:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-07-12 15:29:27,172 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-07-12 15:29:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_multi [2022-07-12 15:29:27,172 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_multi [2022-07-12 15:29:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-12 15:29:27,172 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-12 15:29:27,172 INFO L130 BoogieDeclarations]: Found specification of procedure mmapio_memcpy [2022-07-12 15:29:27,173 INFO L138 BoogieDeclarations]: Found implementation of procedure mmapio_memcpy [2022-07-12 15:29:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-12 15:29:27,173 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-12 15:29:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 15:29:27,173 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 15:29:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_read [2022-07-12 15:29:27,174 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_read [2022-07-12 15:29:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure jme_clear_pm [2022-07-12 15:29:27,174 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_clear_pm [2022-07-12 15:29:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-07-12 15:29:27,174 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-07-12 15:29:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 15:29:27,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 15:29:27,175 INFO L130 BoogieDeclarations]: Found specification of procedure jme_close [2022-07-12 15:29:27,175 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_close [2022-07-12 15:29:27,175 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 15:29:27,175 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 15:29:27,175 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-12 15:29:27,175 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-12 15:29:27,176 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_irq [2022-07-12 15:29:27,176 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_irq [2022-07-12 15:29:27,176 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 15:29:27,176 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 15:29:27,176 INFO L130 BoogieDeclarations]: Found specification of procedure jme_shutdown [2022-07-12 15:29:27,176 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_shutdown [2022-07-12 15:29:27,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 15:29:27,177 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_off [2022-07-12 15:29:27,177 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_off [2022-07-12 15:29:27,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 15:29:27,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 15:29:27,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 15:29:27,177 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_phy_processor [2022-07-12 15:29:27,177 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_phy_processor [2022-07-12 15:29:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure jme_suspend [2022-07-12 15:29:27,178 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_suspend [2022-07-12 15:29:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 15:29:27,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 15:29:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_write [2022-07-12 15:29:27,178 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_write [2022-07-12 15:29:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-12 15:29:27,179 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-12 15:29:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_off [2022-07-12 15:29:27,179 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_off [2022-07-12 15:29:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_phyfifo_5level [2022-07-12 15:29:27,179 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_phyfifo_5level [2022-07-12 15:29:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-12 15:29:27,179 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-12 15:29:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-12 15:29:27,180 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-12 15:29:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_eeprom_len [2022-07-12 15:29:27,180 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_eeprom_len [2022-07-12 15:29:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2022-07-12 15:29:27,180 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2022-07-12 15:29:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 15:29:27,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 15:29:27,181 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_pcc_timer [2022-07-12 15:29:27,181 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_pcc_timer [2022-07-12 15:29:27,181 INFO L130 BoogieDeclarations]: Found specification of procedure jme_interrupt_mode [2022-07-12 15:29:27,181 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_interrupt_mode [2022-07-12 15:29:27,181 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_settings [2022-07-12 15:29:27,181 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_settings [2022-07-12 15:29:27,182 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_read [2022-07-12 15:29:27,182 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_read [2022-07-12 15:29:27,182 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-12 15:29:27,182 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-12 15:29:27,182 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-12 15:29:27,182 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-12 15:29:27,182 INFO L130 BoogieDeclarations]: Found specification of procedure jme_open [2022-07-12 15:29:27,182 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_open [2022-07-12 15:29:27,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 15:29:27,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 15:29:27,183 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-07-12 15:29:27,183 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-07-12 15:29:27,183 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-07-12 15:29:27,183 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-07-12 15:29:28,077 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 15:29:28,080 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 15:29:35,092 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 15:30:14,673 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 15:30:15,280 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 15:30:15,305 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 15:30:15,306 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-12 15:30:15,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:30:15 BoogieIcfgContainer [2022-07-12 15:30:15,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 15:30:15,311 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 15:30:15,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 15:30:15,314 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 15:30:15,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 03:29:21" (1/3) ... [2022-07-12 15:30:15,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7004870b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:30:15, skipping insertion in model container [2022-07-12 15:30:15,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:29:26" (2/3) ... [2022-07-12 15:30:15,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7004870b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:30:15, skipping insertion in model container [2022-07-12 15:30:15,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:30:15" (3/3) ... [2022-07-12 15:30:15,316 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i [2022-07-12 15:30:15,328 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 15:30:15,328 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-12 15:30:15,419 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 15:30:15,424 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@7b35f60, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@93137b1 [2022-07-12 15:30:15,424 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-12 15:30:15,435 INFO L276 IsEmpty]: Start isEmpty. Operand has 2623 states, 1769 states have (on average 1.2679479932165065) internal successors, (2243), 1819 states have internal predecessors, (2243), 707 states have call successors, (707), 150 states have call predecessors, (707), 149 states have return successors, (698), 682 states have call predecessors, (698), 698 states have call successors, (698) [2022-07-12 15:30:15,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-07-12 15:30:15,468 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:30:15,468 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:30:15,470 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:30:15,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:30:15,475 INFO L85 PathProgramCache]: Analyzing trace with hash -451639904, now seen corresponding path program 1 times [2022-07-12 15:30:15,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:30:15,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1851862641] [2022-07-12 15:30:15,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:30:15,490 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:30:15,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:30:15,498 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) [2022-07-12 15:30:15,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 15:30:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:16,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 1262 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:30:16,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:30:17,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-07-12 15:30:17,096 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:30:17,097 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:30:17,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1851862641] [2022-07-12 15:30:17,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1851862641] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:30:17,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:30:17,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:30:17,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589494071] [2022-07-12 15:30:17,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:30:17,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:30:17,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:30:17,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:30:17,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:30:17,136 INFO L87 Difference]: Start difference. First operand has 2623 states, 1769 states have (on average 1.2679479932165065) internal successors, (2243), 1819 states have internal predecessors, (2243), 707 states have call successors, (707), 150 states have call predecessors, (707), 149 states have return successors, (698), 682 states have call predecessors, (698), 698 states have call successors, (698) Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-12 15:30:17,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:30:17,897 INFO L93 Difference]: Finished difference Result 7673 states and 10785 transitions. [2022-07-12 15:30:17,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:30:17,900 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 225 [2022-07-12 15:30:17,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:30:17,950 INFO L225 Difference]: With dead ends: 7673 [2022-07-12 15:30:17,950 INFO L226 Difference]: Without dead ends: 5077 [2022-07-12 15:30:17,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:30:17,976 INFO L413 NwaCegarLoop]: 4276 mSDtfsCounter, 3473 mSDsluCounter, 3554 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3473 SdHoareTripleChecker+Valid, 7830 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-12 15:30:17,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3473 Valid, 7830 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-12 15:30:18,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5077 states. [2022-07-12 15:30:18,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5077 to 5075. [2022-07-12 15:30:18,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5075 states, 3428 states have (on average 1.2613768961493583) internal successors, (4324), 3521 states have internal predecessors, (4324), 1350 states have call successors, (1350), 296 states have call predecessors, (1350), 295 states have return successors, (1347), 1315 states have call predecessors, (1347), 1347 states have call successors, (1347) [2022-07-12 15:30:18,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5075 states to 5075 states and 7021 transitions. [2022-07-12 15:30:18,276 INFO L78 Accepts]: Start accepts. Automaton has 5075 states and 7021 transitions. Word has length 225 [2022-07-12 15:30:18,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:30:18,280 INFO L495 AbstractCegarLoop]: Abstraction has 5075 states and 7021 transitions. [2022-07-12 15:30:18,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-12 15:30:18,280 INFO L276 IsEmpty]: Start isEmpty. Operand 5075 states and 7021 transitions. [2022-07-12 15:30:18,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-07-12 15:30:18,291 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:30:18,292 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:30:18,334 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 15:30:18,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:30:18,512 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:30:18,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:30:18,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1698650712, now seen corresponding path program 1 times [2022-07-12 15:30:18,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:30:18,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [773252891] [2022-07-12 15:30:18,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:30:18,514 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:30:18,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:30:18,517 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) [2022-07-12 15:30:18,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 15:30:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:19,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 1348 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:30:19,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:30:20,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-07-12 15:30:20,250 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:30:20,250 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:30:20,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [773252891] [2022-07-12 15:30:20,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [773252891] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:30:20,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:30:20,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:30:20,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45360908] [2022-07-12 15:30:20,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:30:20,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:30:20,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:30:20,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:30:20,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:30:20,255 INFO L87 Difference]: Start difference. First operand 5075 states and 7021 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-12 15:30:21,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:30:21,300 INFO L93 Difference]: Finished difference Result 11990 states and 16547 transitions. [2022-07-12 15:30:21,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:30:21,300 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 247 [2022-07-12 15:30:21,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:30:21,349 INFO L225 Difference]: With dead ends: 11990 [2022-07-12 15:30:21,350 INFO L226 Difference]: Without dead ends: 6956 [2022-07-12 15:30:21,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:30:21,376 INFO L413 NwaCegarLoop]: 4167 mSDtfsCounter, 3003 mSDsluCounter, 3518 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3003 SdHoareTripleChecker+Valid, 7685 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 15:30:21,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3003 Valid, 7685 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 15:30:21,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6956 states. [2022-07-12 15:30:21,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6956 to 6947. [2022-07-12 15:30:21,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6947 states, 4702 states have (on average 1.2566992769034453) internal successors, (5909), 4830 states have internal predecessors, (5909), 1820 states have call successors, (1820), 425 states have call predecessors, (1820), 423 states have return successors, (1817), 1768 states have call predecessors, (1817), 1817 states have call successors, (1817) [2022-07-12 15:30:21,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6947 states to 6947 states and 9546 transitions. [2022-07-12 15:30:21,737 INFO L78 Accepts]: Start accepts. Automaton has 6947 states and 9546 transitions. Word has length 247 [2022-07-12 15:30:21,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:30:21,739 INFO L495 AbstractCegarLoop]: Abstraction has 6947 states and 9546 transitions. [2022-07-12 15:30:21,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-12 15:30:21,740 INFO L276 IsEmpty]: Start isEmpty. Operand 6947 states and 9546 transitions. [2022-07-12 15:30:21,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-07-12 15:30:21,746 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:30:21,747 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:30:21,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 15:30:21,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:30:21,971 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:30:21,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:30:21,972 INFO L85 PathProgramCache]: Analyzing trace with hash 502559660, now seen corresponding path program 1 times [2022-07-12 15:30:21,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:30:21,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1045151796] [2022-07-12 15:30:21,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:30:21,974 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:30:21,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:30:21,977 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) [2022-07-12 15:30:21,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 15:30:23,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:23,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 1327 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:30:23,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:30:23,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1435 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1381 trivial. 0 not checked. [2022-07-12 15:30:23,556 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:30:23,556 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:30:23,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1045151796] [2022-07-12 15:30:23,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1045151796] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:30:23,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:30:23,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:30:23,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779002315] [2022-07-12 15:30:23,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:30:23,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:30:23,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:30:23,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:30:23,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:30:23,559 INFO L87 Difference]: Start difference. First operand 6947 states and 9546 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-12 15:30:24,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:30:24,546 INFO L93 Difference]: Finished difference Result 18391 states and 25273 transitions. [2022-07-12 15:30:24,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:30:24,548 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 259 [2022-07-12 15:30:24,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:30:24,628 INFO L225 Difference]: With dead ends: 18391 [2022-07-12 15:30:24,628 INFO L226 Difference]: Without dead ends: 11485 [2022-07-12 15:30:24,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:30:24,668 INFO L413 NwaCegarLoop]: 4244 mSDtfsCounter, 3397 mSDsluCounter, 3538 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3397 SdHoareTripleChecker+Valid, 7782 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 15:30:24,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3397 Valid, 7782 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 15:30:24,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11485 states. [2022-07-12 15:30:25,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11485 to 11472. [2022-07-12 15:30:25,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11472 states, 7764 states have (on average 1.254765584750129) internal successors, (9742), 7986 states have internal predecessors, (9742), 3003 states have call successors, (3003), 706 states have call predecessors, (3003), 703 states have return successors, (3000), 2909 states have call predecessors, (3000), 3000 states have call successors, (3000) [2022-07-12 15:30:25,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11472 states to 11472 states and 15745 transitions. [2022-07-12 15:30:25,297 INFO L78 Accepts]: Start accepts. Automaton has 11472 states and 15745 transitions. Word has length 259 [2022-07-12 15:30:25,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:30:25,300 INFO L495 AbstractCegarLoop]: Abstraction has 11472 states and 15745 transitions. [2022-07-12 15:30:25,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-12 15:30:25,301 INFO L276 IsEmpty]: Start isEmpty. Operand 11472 states and 15745 transitions. [2022-07-12 15:30:25,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2022-07-12 15:30:25,311 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:30:25,311 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:30:25,344 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-07-12 15:30:25,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:30:25,532 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:30:25,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:30:25,532 INFO L85 PathProgramCache]: Analyzing trace with hash -2593651, now seen corresponding path program 1 times [2022-07-12 15:30:25,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:30:25,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [814646629] [2022-07-12 15:30:25,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:30:25,534 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:30:25,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:30:25,540 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) [2022-07-12 15:30:25,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 15:30:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:26,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 1387 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 15:30:26,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:30:31,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2022-07-12 15:30:31,719 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:30:31,719 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:30:31,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [814646629] [2022-07-12 15:30:31,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [814646629] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:30:31,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:30:31,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:30:31,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479782372] [2022-07-12 15:30:31,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:30:31,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:30:31,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:30:31,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:30:31,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:30:31,722 INFO L87 Difference]: Start difference. First operand 11472 states and 15745 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2022-07-12 15:30:32,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:30:32,310 INFO L93 Difference]: Finished difference Result 11472 states and 15745 transitions. [2022-07-12 15:30:32,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 15:30:32,311 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 281 [2022-07-12 15:30:32,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:30:32,387 INFO L225 Difference]: With dead ends: 11472 [2022-07-12 15:30:32,388 INFO L226 Difference]: Without dead ends: 11417 [2022-07-12 15:30:32,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 15:30:32,401 INFO L413 NwaCegarLoop]: 3579 mSDtfsCounter, 3466 mSDsluCounter, 3579 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3466 SdHoareTripleChecker+Valid, 7158 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 15:30:32,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3466 Valid, 7158 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 15:30:32,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11417 states. [2022-07-12 15:30:32,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11417 to 11417. [2022-07-12 15:30:32,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11417 states, 7739 states have (on average 1.2540379894043159) internal successors, (9705), 7949 states have internal predecessors, (9705), 2976 states have call successors, (2976), 701 states have call predecessors, (2976), 701 states have return successors, (2976), 2896 states have call predecessors, (2976), 2976 states have call successors, (2976) [2022-07-12 15:30:32,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11417 states to 11417 states and 15657 transitions. [2022-07-12 15:30:32,919 INFO L78 Accepts]: Start accepts. Automaton has 11417 states and 15657 transitions. Word has length 281 [2022-07-12 15:30:32,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:30:32,921 INFO L495 AbstractCegarLoop]: Abstraction has 11417 states and 15657 transitions. [2022-07-12 15:30:32,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2022-07-12 15:30:32,921 INFO L276 IsEmpty]: Start isEmpty. Operand 11417 states and 15657 transitions. [2022-07-12 15:30:32,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2022-07-12 15:30:32,944 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:30:32,944 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:30:32,977 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 15:30:33,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:30:33,160 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:30:33,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:30:33,160 INFO L85 PathProgramCache]: Analyzing trace with hash -991394371, now seen corresponding path program 1 times [2022-07-12 15:30:33,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:30:33,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1438676397] [2022-07-12 15:30:33,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:30:33,162 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:30:33,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:30:33,163 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) [2022-07-12 15:30:33,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 15:30:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:34,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 1490 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:30:34,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:30:35,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2022-07-12 15:30:35,197 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:30:35,198 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:30:35,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1438676397] [2022-07-12 15:30:35,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1438676397] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:30:35,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:30:35,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:30:35,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730442853] [2022-07-12 15:30:35,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:30:35,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:30:35,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:30:35,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:30:35,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:30:35,200 INFO L87 Difference]: Start difference. First operand 11417 states and 15657 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-07-12 15:30:36,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:30:36,447 INFO L93 Difference]: Finished difference Result 25038 states and 34349 transitions. [2022-07-12 15:30:36,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:30:36,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 311 [2022-07-12 15:30:36,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:30:36,534 INFO L225 Difference]: With dead ends: 25038 [2022-07-12 15:30:36,534 INFO L226 Difference]: Without dead ends: 15726 [2022-07-12 15:30:36,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:30:36,588 INFO L413 NwaCegarLoop]: 6415 mSDtfsCounter, 2958 mSDsluCounter, 3488 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2958 SdHoareTripleChecker+Valid, 9903 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-12 15:30:36,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2958 Valid, 9903 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-12 15:30:36,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15726 states. [2022-07-12 15:30:37,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15726 to 15722. [2022-07-12 15:30:37,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15722 states, 10661 states have (on average 1.253447143795141) internal successors, (13363), 10951 states have internal predecessors, (13363), 4086 states have call successors, (4086), 974 states have call predecessors, (4086), 974 states have return successors, (4086), 3974 states have call predecessors, (4086), 4086 states have call successors, (4086) [2022-07-12 15:30:37,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15722 states to 15722 states and 21535 transitions. [2022-07-12 15:30:37,281 INFO L78 Accepts]: Start accepts. Automaton has 15722 states and 21535 transitions. Word has length 311 [2022-07-12 15:30:37,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:30:37,282 INFO L495 AbstractCegarLoop]: Abstraction has 15722 states and 21535 transitions. [2022-07-12 15:30:37,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-07-12 15:30:37,282 INFO L276 IsEmpty]: Start isEmpty. Operand 15722 states and 21535 transitions. [2022-07-12 15:30:37,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2022-07-12 15:30:37,314 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:30:37,314 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 18, 18, 18, 18, 18, 18, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:30:37,354 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 15:30:37,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:30:37,528 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:30:37,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:30:37,528 INFO L85 PathProgramCache]: Analyzing trace with hash -529675242, now seen corresponding path program 1 times [2022-07-12 15:30:37,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:30:37,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1907853856] [2022-07-12 15:30:37,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:30:37,531 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:30:37,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:30:37,532 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) [2022-07-12 15:30:37,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 15:30:38,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:38,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 1480 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:30:38,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:30:38,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 1572 trivial. 0 not checked. [2022-07-12 15:30:38,927 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:30:38,927 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:30:38,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1907853856] [2022-07-12 15:30:38,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1907853856] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:30:38,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:30:38,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:30:38,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646347644] [2022-07-12 15:30:38,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:30:38,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:30:38,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:30:38,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:30:38,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:30:38,929 INFO L87 Difference]: Start difference. First operand 15722 states and 21535 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-12 15:30:40,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:30:40,080 INFO L93 Difference]: Finished difference Result 42692 states and 58511 transitions. [2022-07-12 15:30:40,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:30:40,081 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 335 [2022-07-12 15:30:40,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:30:40,207 INFO L225 Difference]: With dead ends: 42692 [2022-07-12 15:30:40,208 INFO L226 Difference]: Without dead ends: 26965 [2022-07-12 15:30:40,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:30:40,266 INFO L413 NwaCegarLoop]: 6586 mSDtfsCounter, 3427 mSDsluCounter, 3534 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3427 SdHoareTripleChecker+Valid, 10120 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 15:30:40,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3427 Valid, 10120 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 15:30:40,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26965 states. [2022-07-12 15:30:41,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26965 to 26963. [2022-07-12 15:30:41,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26963 states, 18276 states have (on average 1.254541475158678) internal successors, (22928), 18770 states have internal predecessors, (22928), 7016 states have call successors, (7016), 1670 states have call predecessors, (7016), 1670 states have return successors, (7016), 6830 states have call predecessors, (7016), 7016 states have call successors, (7016) [2022-07-12 15:30:41,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26963 states to 26963 states and 36960 transitions. [2022-07-12 15:30:41,634 INFO L78 Accepts]: Start accepts. Automaton has 26963 states and 36960 transitions. Word has length 335 [2022-07-12 15:30:41,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:30:41,635 INFO L495 AbstractCegarLoop]: Abstraction has 26963 states and 36960 transitions. [2022-07-12 15:30:41,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-12 15:30:41,636 INFO L276 IsEmpty]: Start isEmpty. Operand 26963 states and 36960 transitions. [2022-07-12 15:30:41,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2022-07-12 15:30:41,671 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:30:41,671 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 18, 18, 18, 18, 18, 18, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:30:41,719 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-12 15:30:41,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:30:41,892 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:30:41,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:30:41,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1368708904, now seen corresponding path program 1 times [2022-07-12 15:30:41,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:30:41,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1191026224] [2022-07-12 15:30:41,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:30:41,895 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:30:41,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:30:41,912 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) [2022-07-12 15:30:41,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 15:30:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:43,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 1480 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:30:43,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:30:43,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 1572 trivial. 0 not checked. [2022-07-12 15:30:43,296 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:30:43,297 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:30:43,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1191026224] [2022-07-12 15:30:43,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1191026224] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:30:43,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:30:43,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:30:43,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143755992] [2022-07-12 15:30:43,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:30:43,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:30:43,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:30:43,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:30:43,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:30:43,299 INFO L87 Difference]: Start difference. First operand 26963 states and 36960 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-12 15:30:44,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:30:44,590 INFO L93 Difference]: Finished difference Result 65168 states and 89355 transitions. [2022-07-12 15:30:44,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:30:44,691 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 335 [2022-07-12 15:30:44,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:30:44,888 INFO L225 Difference]: With dead ends: 65168 [2022-07-12 15:30:44,888 INFO L226 Difference]: Without dead ends: 40310 [2022-07-12 15:30:44,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:30:44,974 INFO L413 NwaCegarLoop]: 6981 mSDtfsCounter, 3432 mSDsluCounter, 3529 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3432 SdHoareTripleChecker+Valid, 10510 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 15:30:44,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3432 Valid, 10510 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 15:30:45,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40310 states. [2022-07-12 15:30:46,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40310 to 40308. [2022-07-12 15:30:46,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40308 states, 27330 states have (on average 1.2547383827296013) internal successors, (34292), 28066 states have internal predecessors, (34292), 10480 states have call successors, (10480), 2497 states have call predecessors, (10480), 2497 states have return successors, (10480), 10206 states have call predecessors, (10480), 10480 states have call successors, (10480) [2022-07-12 15:30:46,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40308 states to 40308 states and 55252 transitions. [2022-07-12 15:30:46,602 INFO L78 Accepts]: Start accepts. Automaton has 40308 states and 55252 transitions. Word has length 335 [2022-07-12 15:30:46,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:30:46,604 INFO L495 AbstractCegarLoop]: Abstraction has 40308 states and 55252 transitions. [2022-07-12 15:30:46,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-12 15:30:46,605 INFO L276 IsEmpty]: Start isEmpty. Operand 40308 states and 55252 transitions. [2022-07-12 15:30:46,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2022-07-12 15:30:46,665 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:30:46,665 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 18, 18, 18, 18, 18, 18, 7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:30:46,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-12 15:30:46,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:30:46,880 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:30:46,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:30:46,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1042881162, now seen corresponding path program 1 times [2022-07-12 15:30:46,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:30:46,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1015756583] [2022-07-12 15:30:46,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:30:46,883 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:30:46,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:30:46,884 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) [2022-07-12 15:30:46,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-12 15:30:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:48,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 1516 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-12 15:30:48,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:30:50,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1939 backedges. 414 proven. 3 refuted. 0 times theorem prover too weak. 1522 trivial. 0 not checked. [2022-07-12 15:30:50,930 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 15:30:53,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1939 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 1873 trivial. 0 not checked. [2022-07-12 15:30:53,868 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:30:53,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1015756583] [2022-07-12 15:30:53,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1015756583] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 15:30:53,869 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 15:30:53,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 22 [2022-07-12 15:30:53,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905680828] [2022-07-12 15:30:53,869 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 15:30:53,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-07-12 15:30:53,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:30:53,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-07-12 15:30:53,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-07-12 15:30:53,872 INFO L87 Difference]: Start difference. First operand 40308 states and 55252 transitions. Second operand has 22 states, 21 states have (on average 6.761904761904762) internal successors, (142), 20 states have internal predecessors, (142), 6 states have call successors, (49), 3 states have call predecessors, (49), 8 states have return successors, (49), 7 states have call predecessors, (49), 6 states have call successors, (49) [2022-07-12 15:32:02,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:32:02,865 INFO L93 Difference]: Finished difference Result 103176 states and 141430 transitions. [2022-07-12 15:32:02,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-12 15:32:02,865 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.761904761904762) internal successors, (142), 20 states have internal predecessors, (142), 6 states have call successors, (49), 3 states have call predecessors, (49), 8 states have return successors, (49), 7 states have call predecessors, (49), 6 states have call successors, (49) Word has length 359 [2022-07-12 15:32:02,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:32:03,259 INFO L225 Difference]: With dead ends: 103176 [2022-07-12 15:32:03,260 INFO L226 Difference]: Without dead ends: 62839 [2022-07-12 15:32:03,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 730 GetRequests, 697 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=173, Invalid=1017, Unknown=0, NotChecked=0, Total=1190 [2022-07-12 15:32:03,414 INFO L413 NwaCegarLoop]: 7245 mSDtfsCounter, 12691 mSDsluCounter, 90226 mSDsCounter, 0 mSdLazyCounter, 7345 mSolverCounterSat, 2603 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13012 SdHoareTripleChecker+Valid, 97471 SdHoareTripleChecker+Invalid, 9948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 2603 IncrementalHoareTripleChecker+Valid, 7345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.5s IncrementalHoareTripleChecker+Time [2022-07-12 15:32:03,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13012 Valid, 97471 Invalid, 9948 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [2603 Valid, 7345 Invalid, 0 Unknown, 0 Unchecked, 63.5s Time] [2022-07-12 15:32:03,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62839 states. [2022-07-12 15:32:05,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62839 to 40352. [2022-07-12 15:32:05,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40352 states, 27361 states have (on average 1.254486312634772) internal successors, (34324), 28097 states have internal predecessors, (34324), 10482 states have call successors, (10482), 2508 states have call predecessors, (10482), 2508 states have return successors, (10482), 10208 states have call predecessors, (10482), 10482 states have call successors, (10482) [2022-07-12 15:32:05,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40352 states to 40352 states and 55288 transitions. [2022-07-12 15:32:05,778 INFO L78 Accepts]: Start accepts. Automaton has 40352 states and 55288 transitions. Word has length 359 [2022-07-12 15:32:05,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:32:05,781 INFO L495 AbstractCegarLoop]: Abstraction has 40352 states and 55288 transitions. [2022-07-12 15:32:05,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.761904761904762) internal successors, (142), 20 states have internal predecessors, (142), 6 states have call successors, (49), 3 states have call predecessors, (49), 8 states have return successors, (49), 7 states have call predecessors, (49), 6 states have call successors, (49) [2022-07-12 15:32:05,781 INFO L276 IsEmpty]: Start isEmpty. Operand 40352 states and 55288 transitions. [2022-07-12 15:32:05,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2022-07-12 15:32:05,819 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:32:05,820 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 18, 18, 18, 18, 18, 18, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:32:05,862 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-12 15:32:06,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:32:06,040 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:32:06,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:32:06,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1976025518, now seen corresponding path program 1 times [2022-07-12 15:32:06,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:32:06,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [640854258] [2022-07-12 15:32:06,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:32:06,042 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:32:06,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:32:06,043 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:32:06,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-12 15:32:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:07,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 1533 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:32:07,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:32:07,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1967 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 1738 trivial. 0 not checked. [2022-07-12 15:32:07,282 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:32:07,282 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:32:07,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [640854258] [2022-07-12 15:32:07,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [640854258] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:32:07,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:32:07,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:32:07,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579817190] [2022-07-12 15:32:07,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:32:07,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:32:07,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:32:07,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:32:07,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:32:07,284 INFO L87 Difference]: Start difference. First operand 40352 states and 55288 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-12 15:32:08,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:32:08,762 INFO L93 Difference]: Finished difference Result 91928 states and 125975 transitions. [2022-07-12 15:32:08,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:32:08,762 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 367 [2022-07-12 15:32:08,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:32:08,976 INFO L225 Difference]: With dead ends: 91928 [2022-07-12 15:32:08,977 INFO L226 Difference]: Without dead ends: 51595 [2022-07-12 15:32:09,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 365 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:32:09,106 INFO L413 NwaCegarLoop]: 6986 mSDtfsCounter, 3425 mSDsluCounter, 3534 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3425 SdHoareTripleChecker+Valid, 10520 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 15:32:09,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3425 Valid, 10520 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 15:32:09,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51595 states. [2022-07-12 15:32:10,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51595 to 40352. [2022-07-12 15:32:10,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40352 states, 27361 states have (on average 1.2544497642630021) internal successors, (34323), 28097 states have internal predecessors, (34323), 10482 states have call successors, (10482), 2508 states have call predecessors, (10482), 2508 states have return successors, (10482), 10208 states have call predecessors, (10482), 10482 states have call successors, (10482) [2022-07-12 15:32:10,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40352 states to 40352 states and 55287 transitions. [2022-07-12 15:32:10,825 INFO L78 Accepts]: Start accepts. Automaton has 40352 states and 55287 transitions. Word has length 367 [2022-07-12 15:32:10,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:32:10,826 INFO L495 AbstractCegarLoop]: Abstraction has 40352 states and 55287 transitions. [2022-07-12 15:32:10,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-12 15:32:10,827 INFO L276 IsEmpty]: Start isEmpty. Operand 40352 states and 55287 transitions. [2022-07-12 15:32:10,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2022-07-12 15:32:10,857 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:32:10,858 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 18, 18, 18, 18, 18, 18, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:32:10,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-12 15:32:11,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:32:11,072 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:32:11,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:32:11,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1479908116, now seen corresponding path program 1 times [2022-07-12 15:32:11,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:32:11,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1885971471] [2022-07-12 15:32:11,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:32:11,075 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:32:11,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:32:11,076 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:32:11,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-12 15:32:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:12,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 1533 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:32:12,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:32:12,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1967 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 1836 trivial. 0 not checked. [2022-07-12 15:32:12,659 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:32:12,659 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:32:12,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1885971471] [2022-07-12 15:32:12,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1885971471] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:32:12,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:32:12,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:32:12,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157688000] [2022-07-12 15:32:12,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:32:12,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:32:12,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:32:12,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:32:12,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:32:12,661 INFO L87 Difference]: Start difference. First operand 40352 states and 55287 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-12 15:32:14,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:32:14,894 INFO L93 Difference]: Finished difference Result 98411 states and 134876 transitions. [2022-07-12 15:32:14,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:32:14,895 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 367 [2022-07-12 15:32:14,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:32:15,109 INFO L225 Difference]: With dead ends: 98411 [2022-07-12 15:32:15,109 INFO L226 Difference]: Without dead ends: 60164 [2022-07-12 15:32:15,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 365 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:32:15,244 INFO L413 NwaCegarLoop]: 6926 mSDtfsCounter, 3366 mSDsluCounter, 3505 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3366 SdHoareTripleChecker+Valid, 10431 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 15:32:15,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3366 Valid, 10431 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 15:32:15,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60164 states. [2022-07-12 15:32:17,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60164 to 60156. [2022-07-12 15:32:17,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60156 states, 40786 states have (on average 1.253763546314912) internal successors, (51136), 41893 states have internal predecessors, (51136), 15621 states have call successors, (15621), 3748 states have call predecessors, (15621), 3748 states have return successors, (15621), 15207 states have call predecessors, (15621), 15621 states have call successors, (15621) [2022-07-12 15:32:17,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60156 states to 60156 states and 82378 transitions. [2022-07-12 15:32:17,498 INFO L78 Accepts]: Start accepts. Automaton has 60156 states and 82378 transitions. Word has length 367 [2022-07-12 15:32:17,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:32:17,499 INFO L495 AbstractCegarLoop]: Abstraction has 60156 states and 82378 transitions. [2022-07-12 15:32:17,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-12 15:32:17,499 INFO L276 IsEmpty]: Start isEmpty. Operand 60156 states and 82378 transitions. [2022-07-12 15:32:17,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-07-12 15:32:17,542 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:32:17,542 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 18, 18, 18, 18, 18, 18, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:32:17,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-12 15:32:17,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:32:17,756 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:32:17,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:32:17,756 INFO L85 PathProgramCache]: Analyzing trace with hash 173178619, now seen corresponding path program 1 times [2022-07-12 15:32:17,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:32:17,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [447894400] [2022-07-12 15:32:17,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:32:17,758 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:32:17,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:32:17,759 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:32:17,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-12 15:32:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:18,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:32:18,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:32:19,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1928 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 1803 trivial. 0 not checked. [2022-07-12 15:32:19,228 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:32:19,228 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:32:19,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [447894400] [2022-07-12 15:32:19,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [447894400] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:32:19,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:32:19,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:32:19,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389370161] [2022-07-12 15:32:19,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:32:19,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:32:19,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:32:19,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:32:19,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:32:19,230 INFO L87 Difference]: Start difference. First operand 60156 states and 82378 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-12 15:32:22,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:32:22,269 INFO L93 Difference]: Finished difference Result 137163 states and 187848 transitions. [2022-07-12 15:32:22,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:32:22,270 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 385 [2022-07-12 15:32:22,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:32:22,746 INFO L225 Difference]: With dead ends: 137163 [2022-07-12 15:32:22,747 INFO L226 Difference]: Without dead ends: 77028 [2022-07-12 15:32:22,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 383 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:32:22,884 INFO L413 NwaCegarLoop]: 6532 mSDtfsCounter, 2973 mSDsluCounter, 3495 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2973 SdHoareTripleChecker+Valid, 10027 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 15:32:22,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2973 Valid, 10027 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 15:32:22,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77028 states. [2022-07-12 15:32:25,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77028 to 77023. [2022-07-12 15:32:25,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77023 states, 52224 states have (on average 1.253274356617647) internal successors, (65451), 53642 states have internal predecessors, (65451), 19975 states have call successors, (19975), 4823 states have call predecessors, (19975), 4823 states have return successors, (19975), 19442 states have call predecessors, (19975), 19975 states have call successors, (19975) [2022-07-12 15:32:25,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77023 states to 77023 states and 105401 transitions. [2022-07-12 15:32:25,750 INFO L78 Accepts]: Start accepts. Automaton has 77023 states and 105401 transitions. Word has length 385 [2022-07-12 15:32:25,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:32:25,751 INFO L495 AbstractCegarLoop]: Abstraction has 77023 states and 105401 transitions. [2022-07-12 15:32:25,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-12 15:32:25,752 INFO L276 IsEmpty]: Start isEmpty. Operand 77023 states and 105401 transitions. [2022-07-12 15:32:25,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-07-12 15:32:25,786 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:32:25,786 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 18, 18, 18, 18, 18, 18, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:32:25,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-12 15:32:26,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:32:26,008 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:32:26,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:32:26,008 INFO L85 PathProgramCache]: Analyzing trace with hash 2101451321, now seen corresponding path program 1 times [2022-07-12 15:32:26,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:32:26,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [103330775] [2022-07-12 15:32:26,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:32:26,009 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:32:26,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:32:26,010 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:32:26,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-12 15:32:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:32:27,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 15:32:27,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:32:33,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1928 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1928 trivial. 0 not checked. [2022-07-12 15:32:33,162 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:32:33,162 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:32:33,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [103330775] [2022-07-12 15:32:33,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [103330775] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:32:33,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:32:33,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:32:33,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153200802] [2022-07-12 15:32:33,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:32:33,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:32:33,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:32:33,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:32:33,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:32:33,165 INFO L87 Difference]: Start difference. First operand 77023 states and 105401 transitions. Second operand has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2022-07-12 15:32:34,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:32:34,967 INFO L93 Difference]: Finished difference Result 77059 states and 105440 transitions. [2022-07-12 15:32:34,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 15:32:34,967 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 385 [2022-07-12 15:32:34,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:32:34,972 INFO L225 Difference]: With dead ends: 77059 [2022-07-12 15:32:34,973 INFO L226 Difference]: Without dead ends: 0 [2022-07-12 15:32:35,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 15:32:35,126 INFO L413 NwaCegarLoop]: 3552 mSDtfsCounter, 3380 mSDsluCounter, 3550 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3380 SdHoareTripleChecker+Valid, 7102 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 15:32:35,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3380 Valid, 7102 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 15:32:35,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-12 15:32:35,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-12 15:32:35,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 15:32:35,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-12 15:32:35,137 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 385 [2022-07-12 15:32:35,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:32:35,138 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-12 15:32:35,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2022-07-12 15:32:35,138 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-12 15:32:35,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-12 15:32:35,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-07-12 15:32:35,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-07-12 15:32:35,179 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2022-07-12 15:32:35,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:32:35,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.