./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.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 ed68d02e3340e974ceb85a32805324d7a9365cc739c1b33e4c9dbafc7a73800a --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 14:45:36,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:45:36,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:45:36,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:45:36,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:45:36,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:45:36,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:45:36,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:45:36,867 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:45:36,867 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:45:36,868 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:45:36,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:45:36,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:45:36,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:45:36,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:45:36,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:45:36,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:45:36,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:45:36,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:45:36,874 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:45:36,875 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:45:36,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:45:36,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:45:36,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:45:36,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:45:36,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:45:36,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:45:36,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:45:36,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:45:36,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:45:36,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:45:36,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:45:36,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:45:36,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:45:36,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:45:36,889 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:45:36,889 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:45:36,890 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:45:36,890 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:45:36,890 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:45:36,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:45:36,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:45:36,892 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 14:45:36,907 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:45:36,907 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:45:36,907 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:45:36,907 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:45:36,908 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:45:36,908 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:45:36,909 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:45:36,909 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:45:36,909 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:45:36,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:45:36,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 14:45:36,909 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:45:36,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:45:36,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:45:36,910 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:45:36,910 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:45:36,910 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:45:36,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:45:36,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:45:36,910 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:45:36,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:45:36,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:45:36,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:45:36,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:45:36,911 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:45:36,911 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 14:45:36,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 14:45:36,912 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:45:36,912 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:45:36,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:45:36,912 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed68d02e3340e974ceb85a32805324d7a9365cc739c1b33e4c9dbafc7a73800a [2022-07-21 14:45:37,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:45:37,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:45:37,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:45:37,203 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:45:37,203 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:45:37,204 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2022-07-21 14:45:37,247 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ba52361e/8a006e902f284f378c491356cce55ee2/FLAG5e92259f5 [2022-07-21 14:45:38,011 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:45:38,014 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2022-07-21 14:45:38,068 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ba52361e/8a006e902f284f378c491356cce55ee2/FLAG5e92259f5 [2022-07-21 14:45:38,559 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ba52361e/8a006e902f284f378c491356cce55ee2 [2022-07-21 14:45:38,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:45:38,563 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:45:38,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:45:38,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:45:38,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:45:38,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:45:38" (1/1) ... [2022-07-21 14:45:38,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b9daf28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:45:38, skipping insertion in model container [2022-07-21 14:45:38,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:45:38" (1/1) ... [2022-07-21 14:45:38,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:45:38,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:45:41,707 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i[491185,491198] [2022-07-21 14:45:41,710 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i[491330,491343] [2022-07-21 14:45:41,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:45:41,812 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:45:42,004 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: HeapLValues must be converted to RValue before their value can be queried. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:517) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-21 14:45:42,011 INFO L158 Benchmark]: Toolchain (without parser) took 3447.09ms. Allocated memory was 71.3MB in the beginning and 136.3MB in the end (delta: 65.0MB). Free memory was 47.0MB in the beginning and 49.9MB in the end (delta: -2.9MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. [2022-07-21 14:45:42,012 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory was 35.3MB in the beginning and 35.3MB in the end (delta: 36.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 14:45:42,012 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3445.24ms. Allocated memory was 71.3MB in the beginning and 136.3MB in the end (delta: 65.0MB). Free memory was 47.0MB in the beginning and 49.9MB in the end (delta: -2.9MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. [2022-07-21 14:45:42,016 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory was 35.3MB in the beginning and 35.3MB in the end (delta: 36.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3445.24ms. Allocated memory was 71.3MB in the beginning and 136.3MB in the end (delta: 65.0MB). Free memory was 47.0MB in the beginning and 49.9MB in the end (delta: -2.9MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.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 ed68d02e3340e974ceb85a32805324d7a9365cc739c1b33e4c9dbafc7a73800a --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 14:45:43,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:45:43,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:45:43,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:45:43,416 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:45:43,417 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:45:43,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:45:43,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:45:43,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:45:43,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:45:43,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:45:43,423 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:45:43,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:45:43,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:45:43,430 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:45:43,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:45:43,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:45:43,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:45:43,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:45:43,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:45:43,443 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:45:43,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:45:43,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:45:43,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:45:43,448 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:45:43,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:45:43,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:45:43,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:45:43,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:45:43,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:45:43,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:45:43,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:45:43,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:45:43,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:45:43,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:45:43,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:45:43,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:45:43,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:45:43,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:45:43,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:45:43,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:45:43,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:45:43,464 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 14:45:43,494 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:45:43,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:45:43,494 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:45:43,495 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:45:43,495 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:45:43,495 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:45:43,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:45:43,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:45:43,504 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:45:43,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:45:43,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:45:43,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:45:43,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:45:43,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:45:43,505 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 14:45:43,505 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 14:45:43,506 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 14:45:43,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:45:43,506 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:45:43,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:45:43,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:45:43,506 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:45:43,506 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:45:43,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:45:43,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:45:43,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:45:43,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:45:43,507 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 14:45:43,507 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 14:45:43,510 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:45:43,510 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:45:43,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:45:43,511 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 14:45:43,511 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed68d02e3340e974ceb85a32805324d7a9365cc739c1b33e4c9dbafc7a73800a [2022-07-21 14:45:43,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:45:43,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:45:43,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:45:43,792 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:45:43,793 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:45:43,794 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2022-07-21 14:45:43,839 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58db699b4/c18aa784393f401d9c9605a26e50c87c/FLAG8282c076d [2022-07-21 14:45:44,616 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:45:44,616 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2022-07-21 14:45:44,698 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58db699b4/c18aa784393f401d9c9605a26e50c87c/FLAG8282c076d [2022-07-21 14:45:45,173 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58db699b4/c18aa784393f401d9c9605a26e50c87c [2022-07-21 14:45:45,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:45:45,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:45:45,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:45:45,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:45:45,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:45:45,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:45:45" (1/1) ... [2022-07-21 14:45:45,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ae795a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:45:45, skipping insertion in model container [2022-07-21 14:45:45,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:45:45" (1/1) ... [2022-07-21 14:45:45,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:45:45,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:45:47,907 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i[491185,491198] [2022-07-21 14:45:47,909 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i[491330,491343] [2022-07-21 14:45:47,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:45:47,983 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 14:45:48,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:45:48,349 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i[491185,491198] [2022-07-21 14:45:48,350 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i[491330,491343] [2022-07-21 14:45:48,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:45:48,377 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:45:48,761 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i[491185,491198] [2022-07-21 14:45:48,762 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i[491330,491343] [2022-07-21 14:45:48,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:45:48,929 INFO L208 MainTranslator]: Completed translation [2022-07-21 14:45:48,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:45:48 WrapperNode [2022-07-21 14:45:48,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 14:45:48,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 14:45:48,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 14:45:48,931 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 14:45:48,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:45:48" (1/1) ... [2022-07-21 14:45:49,048 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:45:48" (1/1) ... [2022-07-21 14:45:49,236 INFO L137 Inliner]: procedures = 488, calls = 4713, calls flagged for inlining = 228, calls inlined = 198, statements flattened = 8753 [2022-07-21 14:45:49,237 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 14:45:49,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 14:45:49,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 14:45:49,238 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 14:45:49,244 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:45:48" (1/1) ... [2022-07-21 14:45:49,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:45:48" (1/1) ... [2022-07-21 14:45:49,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:45:48" (1/1) ... [2022-07-21 14:45:49,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:45:48" (1/1) ... [2022-07-21 14:45:49,467 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:45:48" (1/1) ... [2022-07-21 14:45:49,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:45:48" (1/1) ... [2022-07-21 14:45:49,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:45:48" (1/1) ... [2022-07-21 14:45:49,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 14:45:49,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 14:45:49,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 14:45:49,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 14:45:49,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:45:48" (1/1) ... [2022-07-21 14:45:49,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:45:49,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:45:49,605 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 14:45:49,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 14:45:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2022-07-21 14:45:49,636 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2022-07-21 14:45:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-07-21 14:45:49,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-07-21 14:45:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2022-07-21 14:45:49,637 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2022-07-21 14:45:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2022-07-21 14:45:49,637 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2022-07-21 14:45:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 14:45:49,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 14:45:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2022-07-21 14:45:49,638 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2022-07-21 14:45:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2022-07-21 14:45:49,638 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2022-07-21 14:45:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 14:45:49,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 14:45:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2022-07-21 14:45:49,639 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2022-07-21 14:45:49,639 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2022-07-21 14:45:49,639 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2022-07-21 14:45:49,639 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2022-07-21 14:45:49,639 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2022-07-21 14:45:49,639 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2022-07-21 14:45:49,639 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2022-07-21 14:45:49,639 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2022-07-21 14:45:49,640 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2022-07-21 14:45:49,640 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2022-07-21 14:45:49,640 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2022-07-21 14:45:49,640 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2022-07-21 14:45:49,640 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2022-07-21 14:45:49,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 14:45:49,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 14:45:49,641 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-07-21 14:45:49,641 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-07-21 14:45:49,641 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 14:45:49,641 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 14:45:49,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 14:45:49,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 14:45:49,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 14:45:49,642 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2022-07-21 14:45:49,642 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2022-07-21 14:45:49,642 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2022-07-21 14:45:49,642 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2022-07-21 14:45:49,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-21 14:45:49,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 14:45:49,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 14:45:49,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 14:45:49,644 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2022-07-21 14:45:49,644 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2022-07-21 14:45:49,644 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-21 14:45:49,644 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-21 14:45:49,644 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 14:45:49,645 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 14:45:49,645 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2022-07-21 14:45:49,645 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2022-07-21 14:45:49,645 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2022-07-21 14:45:49,645 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2022-07-21 14:45:49,645 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2022-07-21 14:45:49,645 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2022-07-21 14:45:49,646 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2022-07-21 14:45:49,646 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2022-07-21 14:45:49,646 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2022-07-21 14:45:49,646 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2022-07-21 14:45:49,646 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2022-07-21 14:45:49,646 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2022-07-21 14:45:49,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 14:45:49,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 14:45:49,647 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2022-07-21 14:45:49,647 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2022-07-21 14:45:49,647 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2022-07-21 14:45:49,647 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2022-07-21 14:45:49,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-21 14:45:49,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-21 14:45:49,648 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2022-07-21 14:45:49,648 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2022-07-21 14:45:49,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 14:45:49,648 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 14:45:49,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 14:45:49,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 14:45:49,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-21 14:45:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-21 14:45:49,649 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2022-07-21 14:45:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2022-07-21 14:45:49,649 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2022-07-21 14:45:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2022-07-21 14:45:49,650 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2022-07-21 14:45:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2022-07-21 14:45:49,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 14:45:49,650 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2022-07-21 14:45:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2022-07-21 14:45:49,651 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2022-07-21 14:45:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2022-07-21 14:45:49,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-21 14:45:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-21 14:45:49,651 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2022-07-21 14:45:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2022-07-21 14:45:49,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-21 14:45:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-21 14:45:49,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 14:45:49,652 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2022-07-21 14:45:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2022-07-21 14:45:49,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 14:45:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 14:45:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2022-07-21 14:45:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2022-07-21 14:45:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 14:45:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 14:45:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 14:45:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2022-07-21 14:45:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2022-07-21 14:45:49,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 14:45:49,656 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2022-07-21 14:45:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2022-07-21 14:45:49,657 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2022-07-21 14:45:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2022-07-21 14:45:49,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-21 14:45:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-21 14:45:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-21 14:45:49,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-21 14:45:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2022-07-21 14:45:49,658 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2022-07-21 14:45:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-21 14:45:49,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-21 14:45:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2022-07-21 14:45:49,658 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2022-07-21 14:45:49,659 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-07-21 14:45:49,659 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-07-21 14:45:49,659 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 14:45:49,659 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 14:45:49,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 14:45:49,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 14:45:49,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 14:45:49,659 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-21 14:45:49,660 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-21 14:45:49,660 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-21 14:45:49,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-21 14:45:49,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 14:45:49,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 14:45:49,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 14:45:49,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 14:45:49,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 14:45:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 14:45:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 14:45:49,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 14:45:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-07-21 14:45:49,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-07-21 14:45:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-21 14:45:49,661 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-21 14:45:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2022-07-21 14:45:49,661 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2022-07-21 14:45:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 14:45:49,662 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 14:45:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2022-07-21 14:45:49,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2022-07-21 14:45:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-21 14:45:49,662 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-21 14:45:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2022-07-21 14:45:49,662 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2022-07-21 14:45:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2022-07-21 14:45:49,663 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2022-07-21 14:45:49,663 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2022-07-21 14:45:49,663 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2022-07-21 14:45:49,663 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 14:45:49,663 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 14:45:49,663 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2022-07-21 14:45:49,663 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2022-07-21 14:45:49,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 14:45:49,664 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 14:45:49,664 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-21 14:45:49,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-21 14:45:49,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 14:45:49,664 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 14:45:49,664 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 14:45:49,664 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2022-07-21 14:45:49,664 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2022-07-21 14:45:49,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 14:45:49,665 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2022-07-21 14:45:49,665 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2022-07-21 14:45:49,665 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2022-07-21 14:45:49,665 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2022-07-21 14:45:49,665 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2022-07-21 14:45:49,665 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2022-07-21 14:45:49,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 14:45:49,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 14:45:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 14:45:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-21 14:45:49,666 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-21 14:45:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 14:45:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 14:45:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2022-07-21 14:45:49,666 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2022-07-21 14:45:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 14:45:49,667 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 14:45:49,667 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2022-07-21 14:45:49,667 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2022-07-21 14:45:49,667 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-21 14:45:49,667 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-21 14:45:49,667 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 14:45:49,667 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 14:45:49,667 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2022-07-21 14:45:49,667 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2022-07-21 14:45:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 14:45:49,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 14:45:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-21 14:45:49,668 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-21 14:45:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2022-07-21 14:45:49,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2022-07-21 14:45:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-21 14:45:49,668 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-21 14:45:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 14:45:49,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 14:45:49,669 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2022-07-21 14:45:49,669 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2022-07-21 14:45:49,669 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-07-21 14:45:49,669 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-07-21 14:45:49,669 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 14:45:49,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 14:45:49,669 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2022-07-21 14:45:49,670 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2022-07-21 14:45:49,670 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 14:45:49,670 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 14:45:49,670 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2022-07-21 14:45:49,670 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2022-07-21 14:45:49,670 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2022-07-21 14:45:49,670 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2022-07-21 14:45:49,670 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2022-07-21 14:45:49,670 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2022-07-21 14:45:49,671 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2022-07-21 14:45:49,671 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2022-07-21 14:45:49,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 14:45:49,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 14:45:49,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 14:45:49,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 14:45:49,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 14:45:49,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 14:45:49,672 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2022-07-21 14:45:49,672 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2022-07-21 14:45:49,672 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-07-21 14:45:49,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-07-21 14:45:49,672 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-21 14:45:49,672 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-21 14:45:49,672 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2022-07-21 14:45:49,672 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2022-07-21 14:45:49,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 14:45:49,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 14:45:49,673 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-21 14:45:49,673 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-21 14:45:49,673 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2022-07-21 14:45:49,673 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2022-07-21 14:45:49,673 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2022-07-21 14:45:49,673 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2022-07-21 14:45:49,673 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2022-07-21 14:45:49,674 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2022-07-21 14:45:49,674 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2022-07-21 14:45:49,674 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2022-07-21 14:45:49,674 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2022-07-21 14:45:49,674 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2022-07-21 14:45:49,674 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-07-21 14:45:49,674 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-21 14:45:49,674 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-21 14:45:49,675 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2022-07-21 14:45:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2022-07-21 14:45:49,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 14:45:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 14:45:50,519 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 14:45:50,521 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 14:45:57,315 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 14:47:59,522 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 14:48:05,495 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 14:48:05,513 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 14:48:05,513 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-21 14:48:05,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:48:05 BoogieIcfgContainer [2022-07-21 14:48:05,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 14:48:05,519 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 14:48:05,519 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 14:48:05,521 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 14:48:05,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 02:45:45" (1/3) ... [2022-07-21 14:48:05,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b9c13a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:48:05, skipping insertion in model container [2022-07-21 14:48:05,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:45:48" (2/3) ... [2022-07-21 14:48:05,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b9c13a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:48:05, skipping insertion in model container [2022-07-21 14:48:05,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:48:05" (3/3) ... [2022-07-21 14:48:05,524 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2022-07-21 14:48:05,534 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 14:48:05,535 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 14:48:05,617 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 14:48:05,623 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@7a08285c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@206ca1e6 [2022-07-21 14:48:05,623 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 14:48:05,636 INFO L276 IsEmpty]: Start isEmpty. Operand has 2675 states, 1864 states have (on average 1.309549356223176) internal successors, (2441), 1866 states have internal predecessors, (2441), 695 states have call successors, (695), 116 states have call predecessors, (695), 115 states have return successors, (687), 687 states have call predecessors, (687), 687 states have call successors, (687) [2022-07-21 14:48:05,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2022-07-21 14:48:05,679 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:48:05,681 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:48:05,681 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:48:05,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:48:05,685 INFO L85 PathProgramCache]: Analyzing trace with hash -894127153, now seen corresponding path program 1 times [2022-07-21 14:48:05,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:48:05,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1067513724] [2022-07-21 14:48:05,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:48:05,704 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:48:05,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:48:05,708 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:48:05,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 14:48:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:09,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 4413 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:48:09,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:48:10,614 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-21 14:48:10,614 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:48:10,615 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:48:10,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1067513724] [2022-07-21 14:48:10,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1067513724] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:48:10,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:48:10,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:48:10,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878652117] [2022-07-21 14:48:10,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:48:10,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:48:10,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:48:10,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:48:10,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:48:10,646 INFO L87 Difference]: Start difference. First operand has 2675 states, 1864 states have (on average 1.309549356223176) internal successors, (2441), 1866 states have internal predecessors, (2441), 695 states have call successors, (695), 116 states have call predecessors, (695), 115 states have return successors, (687), 687 states have call predecessors, (687), 687 states have call successors, (687) Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-21 14:48:12,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:48:12,729 INFO L93 Difference]: Finished difference Result 7772 states and 11415 transitions. [2022-07-21 14:48:12,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:48:12,732 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 457 [2022-07-21 14:48:12,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:48:12,785 INFO L225 Difference]: With dead ends: 7772 [2022-07-21 14:48:12,785 INFO L226 Difference]: Without dead ends: 5097 [2022-07-21 14:48:12,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 456 GetRequests, 455 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:48:12,909 INFO L413 NwaCegarLoop]: 4448 mSDtfsCounter, 3565 mSDsluCounter, 3755 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3565 SdHoareTripleChecker+Valid, 8203 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-21 14:48:12,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3565 Valid, 8203 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-21 14:48:12,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5097 states. [2022-07-21 14:48:13,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5097 to 5091. [2022-07-21 14:48:13,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5091 states, 3592 states have (on average 1.30902004454343) internal successors, (4702), 3596 states have internal predecessors, (4702), 1272 states have call successors, (1272), 226 states have call predecessors, (1272), 226 states have return successors, (1272), 1270 states have call predecessors, (1272), 1272 states have call successors, (1272) [2022-07-21 14:48:13,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5091 states to 5091 states and 7246 transitions. [2022-07-21 14:48:13,201 INFO L78 Accepts]: Start accepts. Automaton has 5091 states and 7246 transitions. Word has length 457 [2022-07-21 14:48:13,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:48:13,205 INFO L495 AbstractCegarLoop]: Abstraction has 5091 states and 7246 transitions. [2022-07-21 14:48:13,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-21 14:48:13,205 INFO L276 IsEmpty]: Start isEmpty. Operand 5091 states and 7246 transitions. [2022-07-21 14:48:13,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2022-07-21 14:48:13,221 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:48:13,223 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:48:13,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 14:48:13,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:48:13,452 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:48:13,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:48:13,453 INFO L85 PathProgramCache]: Analyzing trace with hash 518699637, now seen corresponding path program 1 times [2022-07-21 14:48:13,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:48:13,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2073365337] [2022-07-21 14:48:13,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:48:13,457 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:48:13,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:48:13,459 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:48:13,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 14:48:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:17,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 4414 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:48:17,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:48:18,245 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-21 14:48:18,245 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:48:18,245 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:48:18,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2073365337] [2022-07-21 14:48:18,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2073365337] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:48:18,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:48:18,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:48:18,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895379336] [2022-07-21 14:48:18,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:48:18,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:48:18,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:48:18,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:48:18,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:48:18,249 INFO L87 Difference]: Start difference. First operand 5091 states and 7246 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-21 14:48:20,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:48:20,377 INFO L93 Difference]: Finished difference Result 14971 states and 21292 transitions. [2022-07-21 14:48:20,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:48:20,380 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 458 [2022-07-21 14:48:20,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:48:20,488 INFO L225 Difference]: With dead ends: 14971 [2022-07-21 14:48:20,489 INFO L226 Difference]: Without dead ends: 9957 [2022-07-21 14:48:20,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 456 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:48:20,511 INFO L413 NwaCegarLoop]: 4429 mSDtfsCounter, 3496 mSDsluCounter, 3687 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3496 SdHoareTripleChecker+Valid, 8116 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-21 14:48:20,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3496 Valid, 8116 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-21 14:48:20,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9957 states. [2022-07-21 14:48:20,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9957 to 9949. [2022-07-21 14:48:20,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9949 states, 7040 states have (on average 1.3096590909090908) internal successors, (9220), 7050 states have internal predecessors, (9220), 2456 states have call successors, (2456), 452 states have call predecessors, (2456), 452 states have return successors, (2456), 2450 states have call predecessors, (2456), 2456 states have call successors, (2456) [2022-07-21 14:48:20,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9949 states to 9949 states and 14132 transitions. [2022-07-21 14:48:20,920 INFO L78 Accepts]: Start accepts. Automaton has 9949 states and 14132 transitions. Word has length 458 [2022-07-21 14:48:20,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:48:20,922 INFO L495 AbstractCegarLoop]: Abstraction has 9949 states and 14132 transitions. [2022-07-21 14:48:20,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-21 14:48:20,923 INFO L276 IsEmpty]: Start isEmpty. Operand 9949 states and 14132 transitions. [2022-07-21 14:48:20,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2022-07-21 14:48:20,933 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:48:20,933 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:48:21,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 14:48:21,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:48:21,156 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:48:21,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:48:21,156 INFO L85 PathProgramCache]: Analyzing trace with hash 280828728, now seen corresponding path program 1 times [2022-07-21 14:48:21,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:48:21,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [747171655] [2022-07-21 14:48:21,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:48:21,160 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:48:21,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:48:21,162 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:48:21,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 14:48:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:25,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 4412 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:48:25,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:48:25,797 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-21 14:48:25,797 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:48:25,798 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:48:25,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [747171655] [2022-07-21 14:48:25,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [747171655] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:48:25,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:48:25,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:48:25,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896987603] [2022-07-21 14:48:25,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:48:25,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:48:25,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:48:25,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:48:25,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:48:25,800 INFO L87 Difference]: Start difference. First operand 9949 states and 14132 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-21 14:48:28,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:48:28,277 INFO L93 Difference]: Finished difference Result 29154 states and 41403 transitions. [2022-07-21 14:48:28,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:48:28,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 456 [2022-07-21 14:48:28,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:48:28,389 INFO L225 Difference]: With dead ends: 29154 [2022-07-21 14:48:28,389 INFO L226 Difference]: Without dead ends: 19282 [2022-07-21 14:48:28,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 455 GetRequests, 454 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:48:28,426 INFO L413 NwaCegarLoop]: 4647 mSDtfsCounter, 3496 mSDsluCounter, 3685 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3496 SdHoareTripleChecker+Valid, 8332 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-21 14:48:28,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3496 Valid, 8332 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-21 14:48:28,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19282 states. [2022-07-21 14:48:29,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19282 to 19278. [2022-07-21 14:48:29,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19278 states, 13669 states have (on average 1.3097519935620747) internal successors, (17903), 13691 states have internal predecessors, (17903), 4719 states have call successors, (4719), 889 states have call predecessors, (4719), 889 states have return successors, (4719), 4705 states have call predecessors, (4719), 4719 states have call successors, (4719) [2022-07-21 14:48:29,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19278 states to 19278 states and 27341 transitions. [2022-07-21 14:48:29,262 INFO L78 Accepts]: Start accepts. Automaton has 19278 states and 27341 transitions. Word has length 456 [2022-07-21 14:48:29,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:48:29,263 INFO L495 AbstractCegarLoop]: Abstraction has 19278 states and 27341 transitions. [2022-07-21 14:48:29,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-21 14:48:29,263 INFO L276 IsEmpty]: Start isEmpty. Operand 19278 states and 27341 transitions. [2022-07-21 14:48:29,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2022-07-21 14:48:29,273 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:48:29,274 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:48:29,368 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-07-21 14:48:29,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:48:29,480 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:48:29,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:48:29,480 INFO L85 PathProgramCache]: Analyzing trace with hash 899187853, now seen corresponding path program 1 times [2022-07-21 14:48:29,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:48:29,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1223149649] [2022-07-21 14:48:29,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:48:29,485 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:48:29,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:48:29,500 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:48:29,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 14:48:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:33,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 4392 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:48:33,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:48:34,413 INFO L134 CoverageAnalysis]: Checked inductivity of 5781 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5673 trivial. 0 not checked. [2022-07-21 14:48:34,413 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:48:34,413 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:48:34,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1223149649] [2022-07-21 14:48:34,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1223149649] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:48:34,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:48:34,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:48:34,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035557951] [2022-07-21 14:48:34,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:48:34,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:48:34,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:48:34,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:48:34,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:48:34,416 INFO L87 Difference]: Start difference. First operand 19278 states and 27341 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-21 14:48:37,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:48:37,713 INFO L93 Difference]: Finished difference Result 49077 states and 69156 transitions. [2022-07-21 14:48:37,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:48:37,714 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 462 [2022-07-21 14:48:37,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:48:37,866 INFO L225 Difference]: With dead ends: 49077 [2022-07-21 14:48:37,866 INFO L226 Difference]: Without dead ends: 29876 [2022-07-21 14:48:37,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 460 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:48:37,945 INFO L413 NwaCegarLoop]: 4345 mSDtfsCounter, 2041 mSDsluCounter, 3652 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2041 SdHoareTripleChecker+Valid, 7997 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-21 14:48:37,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2041 Valid, 7997 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-21 14:48:37,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29876 states. [2022-07-21 14:48:38,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29876 to 29858. [2022-07-21 14:48:38,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29858 states, 21304 states have (on average 1.3041212917761922) internal successors, (27783), 21356 states have internal predecessors, (27783), 7028 states have call successors, (7028), 1525 states have call predecessors, (7028), 1525 states have return successors, (7028), 6984 states have call predecessors, (7028), 7028 states have call successors, (7028) [2022-07-21 14:48:39,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29858 states to 29858 states and 41839 transitions. [2022-07-21 14:48:39,077 INFO L78 Accepts]: Start accepts. Automaton has 29858 states and 41839 transitions. Word has length 462 [2022-07-21 14:48:39,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:48:39,078 INFO L495 AbstractCegarLoop]: Abstraction has 29858 states and 41839 transitions. [2022-07-21 14:48:39,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-21 14:48:39,079 INFO L276 IsEmpty]: Start isEmpty. Operand 29858 states and 41839 transitions. [2022-07-21 14:48:39,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2022-07-21 14:48:39,091 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:48:39,092 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:48:39,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 14:48:39,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:48:39,316 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:48:39,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:48:39,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1881844334, now seen corresponding path program 1 times [2022-07-21 14:48:39,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:48:39,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1736871508] [2022-07-21 14:48:39,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:48:39,321 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:48:39,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:48:39,323 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:48:39,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 14:48:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:42,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 4448 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:48:42,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:48:43,961 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-21 14:48:43,961 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:48:43,962 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:48:43,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1736871508] [2022-07-21 14:48:43,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1736871508] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:48:43,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:48:43,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:48:43,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630391392] [2022-07-21 14:48:43,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:48:43,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:48:43,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:48:43,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:48:43,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:48:43,964 INFO L87 Difference]: Start difference. First operand 29858 states and 41839 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-21 14:48:46,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:48:46,194 INFO L93 Difference]: Finished difference Result 86479 states and 121235 transitions. [2022-07-21 14:48:46,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:48:46,195 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 473 [2022-07-21 14:48:46,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:48:46,534 INFO L225 Difference]: With dead ends: 86479 [2022-07-21 14:48:46,535 INFO L226 Difference]: Without dead ends: 56698 [2022-07-21 14:48:46,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 471 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:48:46,614 INFO L413 NwaCegarLoop]: 4770 mSDtfsCounter, 3444 mSDsluCounter, 3703 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3444 SdHoareTripleChecker+Valid, 8473 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 14:48:46,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3444 Valid, 8473 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 14:48:46,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56698 states. [2022-07-21 14:48:48,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56698 to 56664. [2022-07-21 14:48:48,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56664 states, 40529 states have (on average 1.3036097609119397) internal successors, (52834), 40665 states have internal predecessors, (52834), 13233 states have call successors, (13233), 2901 states have call predecessors, (13233), 2901 states have return successors, (13233), 13113 states have call predecessors, (13233), 13233 states have call successors, (13233) [2022-07-21 14:48:48,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56664 states to 56664 states and 79300 transitions. [2022-07-21 14:48:48,619 INFO L78 Accepts]: Start accepts. Automaton has 56664 states and 79300 transitions. Word has length 473 [2022-07-21 14:48:48,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:48:48,620 INFO L495 AbstractCegarLoop]: Abstraction has 56664 states and 79300 transitions. [2022-07-21 14:48:48,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-21 14:48:48,621 INFO L276 IsEmpty]: Start isEmpty. Operand 56664 states and 79300 transitions. [2022-07-21 14:48:48,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2022-07-21 14:48:48,634 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:48:48,635 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 36, 36, 36, 36, 36, 36, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:48:48,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 14:48:48,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:48:48,856 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:48:48,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:48:48,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1039367074, now seen corresponding path program 1 times [2022-07-21 14:48:48,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:48:48,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1968480782] [2022-07-21 14:48:48,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:48:48,860 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:48:48,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:48:48,861 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:48:48,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 14:48:52,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:48:52,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 4449 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:48:52,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:48:53,278 INFO L134 CoverageAnalysis]: Checked inductivity of 5901 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-21 14:48:53,278 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:48:53,278 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:48:53,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1968480782] [2022-07-21 14:48:53,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1968480782] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:48:53,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:48:53,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:48:53,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872539296] [2022-07-21 14:48:53,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:48:53,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:48:53,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:48:53,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:48:53,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:48:53,282 INFO L87 Difference]: Start difference. First operand 56664 states and 79300 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-21 14:48:55,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:48:55,839 INFO L93 Difference]: Finished difference Result 114708 states and 160229 transitions. [2022-07-21 14:48:55,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:48:55,840 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 485 [2022-07-21 14:48:55,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:48:56,094 INFO L225 Difference]: With dead ends: 114708 [2022-07-21 14:48:56,094 INFO L226 Difference]: Without dead ends: 58121 [2022-07-21 14:48:56,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 483 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:48:56,243 INFO L413 NwaCegarLoop]: 3969 mSDtfsCounter, 1172 mSDsluCounter, 3675 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1172 SdHoareTripleChecker+Valid, 7644 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 14:48:56,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1172 Valid, 7644 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 14:48:56,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58121 states. [2022-07-21 14:48:57,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58121 to 58119. [2022-07-21 14:48:57,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58119 states, 41606 states have (on average 1.3009421718021439) internal successors, (54127), 41744 states have internal predecessors, (54127), 13447 states have call successors, (13447), 3065 states have call predecessors, (13447), 3065 states have return successors, (13447), 13325 states have call predecessors, (13447), 13447 states have call successors, (13447) [2022-07-21 14:48:58,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58119 states to 58119 states and 81021 transitions. [2022-07-21 14:48:58,025 INFO L78 Accepts]: Start accepts. Automaton has 58119 states and 81021 transitions. Word has length 485 [2022-07-21 14:48:58,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:48:58,026 INFO L495 AbstractCegarLoop]: Abstraction has 58119 states and 81021 transitions. [2022-07-21 14:48:58,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-21 14:48:58,026 INFO L276 IsEmpty]: Start isEmpty. Operand 58119 states and 81021 transitions. [2022-07-21 14:48:58,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2022-07-21 14:48:58,031 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:48:58,032 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 36, 36, 36, 36, 36, 36, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:48:58,130 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 14:48:58,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:48:58,259 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:48:58,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:48:58,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1996353760, now seen corresponding path program 1 times [2022-07-21 14:48:58,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:48:58,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1398094605] [2022-07-21 14:48:58,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:48:58,263 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:48:58,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:48:58,265 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:48:58,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 14:49:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:01,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 4489 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:49:01,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:49:02,553 INFO L134 CoverageAnalysis]: Checked inductivity of 5909 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-21 14:49:02,553 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:49:02,553 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:49:02,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1398094605] [2022-07-21 14:49:02,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1398094605] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:49:02,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:49:02,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:49:02,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773029812] [2022-07-21 14:49:02,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:49:02,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:49:02,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:49:02,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:49:02,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:49:02,555 INFO L87 Difference]: Start difference. First operand 58119 states and 81021 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (51), 3 states have call predecessors, (51), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-21 14:49:05,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:49:05,022 INFO L93 Difference]: Finished difference Result 172042 states and 239994 transitions. [2022-07-21 14:49:05,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:49:05,022 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (51), 3 states have call predecessors, (51), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 500 [2022-07-21 14:49:05,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:49:05,730 INFO L225 Difference]: With dead ends: 172042 [2022-07-21 14:49:05,730 INFO L226 Difference]: Without dead ends: 114000 [2022-07-21 14:49:05,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 498 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:49:05,919 INFO L413 NwaCegarLoop]: 7016 mSDtfsCounter, 3598 mSDsluCounter, 3733 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3598 SdHoareTripleChecker+Valid, 10749 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-21 14:49:05,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3598 Valid, 10749 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-21 14:49:06,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114000 states. [2022-07-21 14:49:08,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114000 to 113966. [2022-07-21 14:49:08,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113966 states, 81520 states have (on average 1.3011285574092248) internal successors, (106068), 81792 states have internal predecessors, (106068), 26443 states have call successors, (26443), 6002 states have call predecessors, (26443), 6002 states have return successors, (26443), 26203 states have call predecessors, (26443), 26443 states have call successors, (26443) [2022-07-21 14:49:09,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113966 states to 113966 states and 158954 transitions. [2022-07-21 14:49:09,475 INFO L78 Accepts]: Start accepts. Automaton has 113966 states and 158954 transitions. Word has length 500 [2022-07-21 14:49:09,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:49:09,476 INFO L495 AbstractCegarLoop]: Abstraction has 113966 states and 158954 transitions. [2022-07-21 14:49:09,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (51), 3 states have call predecessors, (51), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-21 14:49:09,476 INFO L276 IsEmpty]: Start isEmpty. Operand 113966 states and 158954 transitions. [2022-07-21 14:49:09,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2022-07-21 14:49:09,494 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:49:09,495 INFO L195 NwaCegarLoop]: trace histogram [41, 41, 36, 36, 36, 36, 36, 36, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:49:09,589 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-21 14:49:09,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:49:09,710 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:49:09,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:49:09,711 INFO L85 PathProgramCache]: Analyzing trace with hash -524716183, now seen corresponding path program 1 times [2022-07-21 14:49:09,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:49:09,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1636435028] [2022-07-21 14:49:09,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:49:09,714 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:49:09,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:49:09,715 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:49:09,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-21 14:49:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:49:13,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 4580 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:49:13,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:49:14,283 INFO L134 CoverageAnalysis]: Checked inductivity of 6294 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 6024 trivial. 0 not checked. [2022-07-21 14:49:14,284 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:49:14,284 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:49:14,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1636435028] [2022-07-21 14:49:14,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1636435028] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:49:14,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:49:14,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:49:14,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066754226] [2022-07-21 14:49:14,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:49:14,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:49:14,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:49:14,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:49:14,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:49:14,285 INFO L87 Difference]: Start difference. First operand 113966 states and 158954 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-07-21 14:49:20,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:49:20,232 INFO L93 Difference]: Finished difference Result 337106 states and 470704 transitions. [2022-07-21 14:49:20,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:49:20,238 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) Word has length 547 [2022-07-21 14:49:20,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:49:21,284 INFO L225 Difference]: With dead ends: 337106 [2022-07-21 14:49:21,284 INFO L226 Difference]: Without dead ends: 223432 [2022-07-21 14:49:21,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 546 GetRequests, 545 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:49:21,907 INFO L413 NwaCegarLoop]: 7260 mSDtfsCounter, 3522 mSDsluCounter, 3702 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3522 SdHoareTripleChecker+Valid, 10962 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 14:49:21,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3522 Valid, 10962 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 14:49:22,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223432 states. [2022-07-21 14:49:28,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223432 to 223430. [2022-07-21 14:49:28,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223430 states, 159944 states have (on average 1.3015430400640224) internal successors, (208174), 160280 states have internal predecessors, (208174), 51683 states have call successors, (51683), 11802 states have call predecessors, (51683), 11802 states have return successors, (51683), 51411 states have call predecessors, (51683), 51683 states have call successors, (51683)