./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.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-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.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 84726630c8e25b12cc9a1c42ffbcb43731f626f816099a2994c8fef707cb96cf --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 14:08:41,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:08:41,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:08:41,108 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:08:41,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:08:41,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:08:41,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:08:41,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:08:41,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:08:41,115 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:08:41,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:08:41,116 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:08:41,117 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:08:41,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:08:41,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:08:41,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:08:41,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:08:41,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:08:41,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:08:41,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:08:41,124 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:08:41,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:08:41,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:08:41,126 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:08:41,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:08:41,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:08:41,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:08:41,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:08:41,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:08:41,130 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:08:41,131 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:08:41,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:08:41,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:08:41,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:08:41,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:08:41,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:08:41,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:08:41,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:08:41,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:08:41,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:08:41,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:08:41,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:08:41,150 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 14:08:41,177 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:08:41,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:08:41,178 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:08:41,183 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:08:41,184 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:08:41,184 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:08:41,184 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:08:41,184 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:08:41,185 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:08:41,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:08:41,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 14:08:41,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:08:41,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:08:41,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:08:41,191 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:08:41,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:08:41,191 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:08:41,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:08:41,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:08:41,192 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:08:41,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:08:41,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:08:41,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:08:41,193 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:08:41,193 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:08:41,193 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 14:08:41,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 14:08:41,193 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:08:41,194 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:08:41,194 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:08:41,194 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84726630c8e25b12cc9a1c42ffbcb43731f626f816099a2994c8fef707cb96cf [2022-07-21 14:08:41,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:08:41,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:08:41,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:08:41,491 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:08:41,492 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:08:41,493 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i [2022-07-21 14:08:41,536 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e25237ae/cd71a24bfcd24d1e9408cd860c119795/FLAG8a17e6ece [2022-07-21 14:08:42,421 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:08:42,422 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i [2022-07-21 14:08:42,491 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e25237ae/cd71a24bfcd24d1e9408cd860c119795/FLAG8a17e6ece [2022-07-21 14:08:42,820 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e25237ae/cd71a24bfcd24d1e9408cd860c119795 [2022-07-21 14:08:42,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:08:42,824 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:08:42,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:08:42,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:08:42,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:08:42,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:08:42" (1/1) ... [2022-07-21 14:08:42,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b1d1eb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:08:42, skipping insertion in model container [2022-07-21 14:08:42,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:08:42" (1/1) ... [2022-07-21 14:08:42,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:08:43,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:08:47,307 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722335,722348] [2022-07-21 14:08:47,310 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722482,722495] [2022-07-21 14:08:47,310 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722621,722634] [2022-07-21 14:08:47,310 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722779,722792] [2022-07-21 14:08:47,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:08:47,418 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:08:47,681 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: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 14:08:47,688 INFO L158 Benchmark]: Toolchain (without parser) took 4861.59ms. Allocated memory was 67.1MB in the beginning and 199.2MB in the end (delta: 132.1MB). Free memory was 30.9MB in the beginning and 71.7MB in the end (delta: -40.8MB). Peak memory consumption was 105.3MB. Max. memory is 16.1GB. [2022-07-21 14:08:47,689 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 67.1MB. Free memory was 49.6MB in the beginning and 49.5MB in the end (delta: 50.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 14:08:47,689 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4860.20ms. Allocated memory was 67.1MB in the beginning and 199.2MB in the end (delta: 132.1MB). Free memory was 30.8MB in the beginning and 71.7MB in the end (delta: -41.0MB). Peak memory consumption was 105.3MB. Max. memory is 16.1GB. [2022-07-21 14:08:47,690 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 67.1MB. Free memory was 49.6MB in the beginning and 49.5MB in the end (delta: 50.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4860.20ms. Allocated memory was 67.1MB in the beginning and 199.2MB in the end (delta: 132.1MB). Free memory was 30.8MB in the beginning and 71.7MB in the end (delta: -41.0MB). Peak memory consumption was 105.3MB. 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-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.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 84726630c8e25b12cc9a1c42ffbcb43731f626f816099a2994c8fef707cb96cf --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 14:08:49,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:08:49,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:08:49,077 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:08:49,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:08:49,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:08:49,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:08:49,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:08:49,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:08:49,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:08:49,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:08:49,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:08:49,096 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:08:49,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:08:49,097 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:08:49,098 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:08:49,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:08:49,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:08:49,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:08:49,106 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:08:49,108 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:08:49,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:08:49,124 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:08:49,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:08:49,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:08:49,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:08:49,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:08:49,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:08:49,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:08:49,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:08:49,129 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:08:49,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:08:49,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:08:49,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:08:49,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:08:49,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:08:49,132 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:08:49,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:08:49,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:08:49,133 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:08:49,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:08:49,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:08:49,140 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 14:08:49,162 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:08:49,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:08:49,164 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:08:49,165 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:08:49,165 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:08:49,165 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:08:49,166 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:08:49,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:08:49,166 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:08:49,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:08:49,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:08:49,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:08:49,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:08:49,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:08:49,168 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 14:08:49,168 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 14:08:49,168 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 14:08:49,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:08:49,168 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:08:49,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:08:49,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:08:49,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:08:49,169 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:08:49,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:08:49,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:08:49,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:08:49,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:08:49,170 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 14:08:49,170 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 14:08:49,170 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:08:49,171 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:08:49,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:08:49,171 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 14:08:49,171 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84726630c8e25b12cc9a1c42ffbcb43731f626f816099a2994c8fef707cb96cf [2022-07-21 14:08:49,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:08:49,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:08:49,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:08:49,444 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:08:49,445 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:08:49,446 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i [2022-07-21 14:08:49,503 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed40e33cb/9a88dae59e9d4b43a8f97ce094510c80/FLAG2bf5f1a5e [2022-07-21 14:08:50,353 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:08:50,353 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i [2022-07-21 14:08:50,445 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed40e33cb/9a88dae59e9d4b43a8f97ce094510c80/FLAG2bf5f1a5e [2022-07-21 14:08:50,826 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed40e33cb/9a88dae59e9d4b43a8f97ce094510c80 [2022-07-21 14:08:50,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:08:50,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:08:50,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:08:50,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:08:50,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:08:50,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:08:50" (1/1) ... [2022-07-21 14:08:50,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@585dd344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:08:50, skipping insertion in model container [2022-07-21 14:08:50,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:08:50" (1/1) ... [2022-07-21 14:08:50,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:08:51,111 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:08:55,249 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722335,722348] [2022-07-21 14:08:55,252 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722482,722495] [2022-07-21 14:08:55,253 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722621,722634] [2022-07-21 14:08:55,254 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722779,722792] [2022-07-21 14:08:55,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:08:55,379 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 14:08:55,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:08:55,802 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722335,722348] [2022-07-21 14:08:55,802 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722482,722495] [2022-07-21 14:08:55,803 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722621,722634] [2022-07-21 14:08:55,803 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722779,722792] [2022-07-21 14:08:55,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:08:55,838 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:08:56,250 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722335,722348] [2022-07-21 14:08:56,251 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722482,722495] [2022-07-21 14:08:56,251 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722621,722634] [2022-07-21 14:08:56,251 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722779,722792] [2022-07-21 14:08:56,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:08:56,443 INFO L208 MainTranslator]: Completed translation [2022-07-21 14:08:56,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:08:56 WrapperNode [2022-07-21 14:08:56,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 14:08:56,445 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 14:08:56,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 14:08:56,446 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 14:08:56,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:08:56" (1/1) ... [2022-07-21 14:08:56,659 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:08:56" (1/1) ... [2022-07-21 14:08:56,990 INFO L137 Inliner]: procedures = 486, calls = 6567, calls flagged for inlining = 277, calls inlined = 258, statements flattened = 15624 [2022-07-21 14:08:56,991 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 14:08:56,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 14:08:56,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 14:08:56,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 14:08:56,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:08:56" (1/1) ... [2022-07-21 14:08:56,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:08:56" (1/1) ... [2022-07-21 14:08:57,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:08:56" (1/1) ... [2022-07-21 14:08:57,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:08:56" (1/1) ... [2022-07-21 14:08:57,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:08:56" (1/1) ... [2022-07-21 14:08:57,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:08:56" (1/1) ... [2022-07-21 14:08:57,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:08:56" (1/1) ... [2022-07-21 14:08:57,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 14:08:57,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 14:08:57,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 14:08:57,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 14:08:57,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:08:56" (1/1) ... [2022-07-21 14:08:57,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:08:57,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:08:57,437 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 14:08:57,534 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 14:08:57,559 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_set_check_bssid [2022-07-21 14:08:57,559 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_set_check_bssid [2022-07-21 14:08:57,559 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_set_bb_reg [2022-07-21 14:08:57,559 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_set_bb_reg [2022-07-21 14:08:57,559 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-21 14:08:57,559 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-21 14:08:57,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 14:08:57,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 14:08:57,560 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2022-07-21 14:08:57,560 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2022-07-21 14:08:57,560 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_deinit_sw_vars [2022-07-21 14:08:57,560 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_deinit_sw_vars [2022-07-21 14:08:57,560 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_signal_scale_mapping [2022-07-21 14:08:57,560 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_signal_scale_mapping [2022-07-21 14:08:57,561 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2022-07-21 14:08:57,561 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2022-07-21 14:08:57,561 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 14:08:57,561 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 14:08:57,561 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-21 14:08:57,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-21 14:08:57,561 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2022-07-21 14:08:57,561 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2022-07-21 14:08:57,561 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_set_bw_mode [2022-07-21 14:08:57,562 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_set_bw_mode [2022-07-21 14:08:57,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 14:08:57,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 14:08:57,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 14:08:57,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 14:08:57,562 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 14:08:57,562 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 14:08:57,562 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_update_interrupt_mask [2022-07-21 14:08:57,563 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_update_interrupt_mask [2022-07-21 14:08:57,563 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_phy_rf_serial_read [2022-07-21 14:08:57,563 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_phy_rf_serial_read [2022-07-21 14:08:57,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 14:08:57,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 14:08:57,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 14:08:57,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 14:08:57,563 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_led_control [2022-07-21 14:08:57,563 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_led_control [2022-07-21 14:08:57,564 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_chk_fwcmd_iodone [2022-07-21 14:08:57,564 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_chk_fwcmd_iodone [2022-07-21 14:08:57,564 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_set_hw_reg [2022-07-21 14:08:57,564 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_set_hw_reg [2022-07-21 14:08:57,564 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_nullfunc [2022-07-21 14:08:57,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_nullfunc [2022-07-21 14:08:57,564 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 14:08:57,564 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 14:08:57,564 INFO L130 BoogieDeclarations]: Found specification of procedure get_rf_type [2022-07-21 14:08:57,565 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rf_type [2022-07-21 14:08:57,565 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_has_protected [2022-07-21 14:08:57,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_has_protected [2022-07-21 14:08:57,565 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 14:08:57,565 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 14:08:57,565 INFO L130 BoogieDeclarations]: Found specification of procedure is_hal_stop [2022-07-21 14:08:57,565 INFO L138 BoogieDeclarations]: Found implementation of procedure is_hal_stop [2022-07-21 14:08:57,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 14:08:57,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 14:08:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_set_beacon_hwreg [2022-07-21 14:08:57,566 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_set_beacon_hwreg [2022-07-21 14:08:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 14:08:57,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 14:08:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_phy_calculate_bit_shift [2022-07-21 14:08:57,566 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_phy_calculate_bit_shift [2022-07-21 14:08:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 14:08:57,566 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 14:08:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 14:08:57,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 14:08:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-07-21 14:08:57,567 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-07-21 14:08:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_beacon [2022-07-21 14:08:57,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_beacon [2022-07-21 14:08:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-07-21 14:08:57,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-07-21 14:08:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_set_fw_cmd [2022-07-21 14:08:57,568 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_set_fw_cmd [2022-07-21 14:08:57,568 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_tx_polling [2022-07-21 14:08:57,568 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_tx_polling [2022-07-21 14:08:57,568 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-07-21 14:08:57,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-07-21 14:08:57,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 14:08:57,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-21 14:08:57,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-21 14:08:57,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-07-21 14:08:57,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-07-21 14:08:57,569 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_read_eeprom_info [2022-07-21 14:08:57,569 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_read_eeprom_info [2022-07-21 14:08:57,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-21 14:08:57,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-21 14:08:57,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-07-21 14:08:57,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-07-21 14:08:57,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 14:08:57,569 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92se_set_media_status [2022-07-21 14:08:57,569 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92se_set_media_status [2022-07-21 14:08:57,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 14:08:57,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 14:08:57,570 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 14:08:57,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 14:08:57,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 14:08:57,570 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 14:08:57,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 14:08:57,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 14:08:57,571 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 14:08:57,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 14:08:57,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 14:08:57,571 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_set_sysclk [2022-07-21 14:08:57,571 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_set_sysclk [2022-07-21 14:08:57,571 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_sw_led_off [2022-07-21 14:08:57,571 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_sw_led_off [2022-07-21 14:08:57,571 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92se_halset_sysclk [2022-07-21 14:08:57,572 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92se_halset_sysclk [2022-07-21 14:08:57,572 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-21 14:08:57,572 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-21 14:08:57,572 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_hw_init [2022-07-21 14:08:57,572 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_hw_init [2022-07-21 14:08:57,572 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8192se_gpiobit3_cfg_inputmode [2022-07-21 14:08:57,572 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8192se_gpiobit3_cfg_inputmode [2022-07-21 14:08:57,572 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_cam_add_one_entry [2022-07-21 14:08:57,572 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_cam_add_one_entry [2022-07-21 14:08:57,573 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_card_disable [2022-07-21 14:08:57,573 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_card_disable [2022-07-21 14:08:57,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 14:08:57,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 14:08:57,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 14:08:57,573 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_get_hw_reg [2022-07-21 14:08:57,573 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_get_hw_reg [2022-07-21 14:08:57,573 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_dm_watchdog [2022-07-21 14:08:57,573 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_dm_watchdog [2022-07-21 14:08:57,573 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_config_rf [2022-07-21 14:08:57,574 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_config_rf [2022-07-21 14:08:57,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 14:08:57,574 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_dm_init_edca_turbo [2022-07-21 14:08:57,574 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_dm_init_edca_turbo [2022-07-21 14:08:57,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 14:08:57,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 14:08:57,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 14:08:57,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 14:08:57,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 14:08:57,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 14:08:57,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 14:08:57,575 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_rfreg [2022-07-21 14:08:57,575 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_rfreg [2022-07-21 14:08:57,575 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-21 14:08:57,575 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-21 14:08:57,575 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2022-07-21 14:08:57,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2022-07-21 14:08:57,575 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-21 14:08:57,576 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-21 14:08:57,576 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_set_beacon_interval [2022-07-21 14:08:57,576 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_set_beacon_interval [2022-07-21 14:08:57,576 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_set_txpower [2022-07-21 14:08:57,576 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_set_txpower [2022-07-21 14:08:57,576 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_suspend [2022-07-21 14:08:57,576 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_suspend [2022-07-21 14:08:57,576 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_firmware_get_nextstatus [2022-07-21 14:08:57,576 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_firmware_get_nextstatus [2022-07-21 14:08:57,577 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2022-07-21 14:08:57,577 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2022-07-21 14:08:57,577 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_set_beacon_related_registers [2022-07-21 14:08:57,577 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_set_beacon_related_registers [2022-07-21 14:08:57,577 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2022-07-21 14:08:57,577 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2022-07-21 14:08:57,577 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-21 14:08:57,577 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-21 14:08:57,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 14:08:57,578 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 14:08:57,578 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_suspend [2022-07-21 14:08:57,578 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_suspend [2022-07-21 14:08:57,578 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_phy_config_bb [2022-07-21 14:08:57,578 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_phy_config_bb [2022-07-21 14:08:57,578 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_enable_hw_security_config [2022-07-21 14:08:57,578 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_enable_hw_security_config [2022-07-21 14:08:57,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-21 14:08:57,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-21 14:08:57,578 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_init_sw_leds [2022-07-21 14:08:57,579 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_init_sw_leds [2022-07-21 14:08:57,579 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_phy_check_ephy_switchready [2022-07-21 14:08:57,579 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_phy_check_ephy_switchready [2022-07-21 14:08:57,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 14:08:57,579 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_set_qos [2022-07-21 14:08:57,579 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_set_qos [2022-07-21 14:08:57,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2022-07-21 14:08:57,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2022-07-21 14:08:57,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 14:08:57,580 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92se_rf_onoff_detect [2022-07-21 14:08:57,580 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92se_rf_onoff_detect [2022-07-21 14:08:57,580 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_tx_fill_cmddesc [2022-07-21 14:08:57,580 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_tx_fill_cmddesc [2022-07-21 14:08:57,580 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_phy_set_rfhalt [2022-07-21 14:08:57,580 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_phy_set_rfhalt [2022-07-21 14:08:57,580 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_cmd_send_packet [2022-07-21 14:08:57,580 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_cmd_send_packet [2022-07-21 14:08:57,581 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_ctl [2022-07-21 14:08:57,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_ctl [2022-07-21 14:08:57,581 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-07-21 14:08:57,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-07-21 14:08:57,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 14:08:57,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 14:08:57,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 14:08:57,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 14:08:57,581 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_enable_interrupt [2022-07-21 14:08:57,581 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_enable_interrupt [2022-07-21 14:08:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 14:08:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_phy_set_sw_chnl_cmdarray [2022-07-21 14:08:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_phy_set_sw_chnl_cmdarray [2022-07-21 14:08:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-21 14:08:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-21 14:08:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-21 14:08:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-21 14:08:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92se_init_led [2022-07-21 14:08:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92se_init_led [2022-07-21 14:08:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 14:08:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 14:08:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___5 [2022-07-21 14:08:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___5 [2022-07-21 14:08:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl92se_driver_exit_7_2 [2022-07-21 14:08:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl92se_driver_exit_7_2 [2022-07-21 14:08:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-07-21 14:08:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-07-21 14:08:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_resume [2022-07-21 14:08:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_resume [2022-07-21 14:08:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-07-21 14:08:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-07-21 14:08:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-21 14:08:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-21 14:08:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 14:08:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 14:08:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_fw_set_rqpn [2022-07-21 14:08:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_fw_set_rqpn [2022-07-21 14:08:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_query_rxpwrpercentage [2022-07-21 14:08:57,585 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_query_rxpwrpercentage [2022-07-21 14:08:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 14:08:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 14:08:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 14:08:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 14:08:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-21 14:08:57,585 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-21 14:08:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 14:08:57,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 14:08:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_bbreg [2022-07-21 14:08:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_bbreg [2022-07-21 14:08:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_query_bb_reg [2022-07-21 14:08:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_query_bb_reg [2022-07-21 14:08:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_set_rf_reg [2022-07-21 14:08:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_set_rf_reg [2022-07-21 14:08:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_scan_operation_backup [2022-07-21 14:08:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_scan_operation_backup [2022-07-21 14:08:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_bbreg [2022-07-21 14:08:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_bbreg [2022-07-21 14:08:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-21 14:08:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-21 14:08:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_disable_interrupt [2022-07-21 14:08:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_disable_interrupt [2022-07-21 14:08:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2022-07-21 14:08:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2022-07-21 14:08:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-07-21 14:08:57,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-07-21 14:08:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-21 14:08:57,601 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-21 14:08:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_update_hal_rate_tbl [2022-07-21 14:08:57,601 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_update_hal_rate_tbl [2022-07-21 14:08:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-21 14:08:57,601 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-21 14:08:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 14:08:57,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 14:08:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_resume [2022-07-21 14:08:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_resume [2022-07-21 14:08:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2022-07-21 14:08:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2022-07-21 14:08:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_sw_led_on [2022-07-21 14:08:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_sw_led_on [2022-07-21 14:08:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 14:08:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 14:08:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_update_channel_access_setting [2022-07-21 14:08:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_update_channel_access_setting [2022-07-21 14:08:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_disconnect [2022-07-21 14:08:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_disconnect [2022-07-21 14:08:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 14:08:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 14:08:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_init_sw_vars [2022-07-21 14:08:57,604 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_init_sw_vars [2022-07-21 14:08:57,604 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_query_rf_reg [2022-07-21 14:08:57,604 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_query_rf_reg [2022-07-21 14:08:57,604 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-07-21 14:08:57,604 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-07-21 14:08:58,841 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 14:08:58,844 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 14:08:59,356 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 14:10:39,382 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 14:10:55,918 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 14:10:55,947 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 14:10:55,948 INFO L299 CfgBuilder]: Removed 27 assume(true) statements. [2022-07-21 14:10:55,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:10:55 BoogieIcfgContainer [2022-07-21 14:10:55,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 14:10:55,957 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 14:10:55,957 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 14:10:55,959 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 14:10:55,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 02:08:50" (1/3) ... [2022-07-21 14:10:55,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ec83bf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:10:55, skipping insertion in model container [2022-07-21 14:10:55,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:08:56" (2/3) ... [2022-07-21 14:10:55,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ec83bf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:10:55, skipping insertion in model container [2022-07-21 14:10:55,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:10:55" (3/3) ... [2022-07-21 14:10:55,962 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i [2022-07-21 14:10:55,972 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 14:10:55,973 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-21 14:10:56,102 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 14:10:56,108 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@6388f99f, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3a614587 [2022-07-21 14:10:56,108 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-21 14:10:56,127 INFO L276 IsEmpty]: Start isEmpty. Operand has 5672 states, 3905 states have (on average 1.3743918053777209) internal successors, (5367), 4040 states have internal predecessors, (5367), 1661 states have call successors, (1661), 127 states have call predecessors, (1661), 126 states have return successors, (1651), 1579 states have call predecessors, (1651), 1651 states have call successors, (1651) [2022-07-21 14:10:56,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2022-07-21 14:10:56,156 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:10:56,157 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 26, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:10:56,158 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:10:56,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:10:56,162 INFO L85 PathProgramCache]: Analyzing trace with hash 812296159, now seen corresponding path program 1 times [2022-07-21 14:10:56,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:10:56,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [109449538] [2022-07-21 14:10:56,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:10:56,184 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:10:56,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:10:56,187 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 14:10:56,192 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 14:11:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:11:11,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 7437 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:11:11,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:11:12,049 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 2925 trivial. 0 not checked. [2022-07-21 14:11:12,049 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:11:12,050 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:11:12,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [109449538] [2022-07-21 14:11:12,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [109449538] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:11:12,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:11:12,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:11:12,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996669841] [2022-07-21 14:11:12,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:11:12,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:11:12,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:11:12,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:11:12,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:11:12,099 INFO L87 Difference]: Start difference. First operand has 5672 states, 3905 states have (on average 1.3743918053777209) internal successors, (5367), 4040 states have internal predecessors, (5367), 1661 states have call successors, (1661), 127 states have call predecessors, (1661), 126 states have return successors, (1651), 1579 states have call predecessors, (1651), 1651 states have call successors, (1651) Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-21 14:11:13,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:11:13,785 INFO L93 Difference]: Finished difference Result 12464 states and 19334 transitions. [2022-07-21 14:11:13,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:11:13,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 314 [2022-07-21 14:11:13,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:11:13,857 INFO L225 Difference]: With dead ends: 12464 [2022-07-21 14:11:13,858 INFO L226 Difference]: Without dead ends: 7155 [2022-07-21 14:11:13,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 312 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 14:11:13,907 INFO L413 NwaCegarLoop]: 7300 mSDtfsCounter, 6097 mSDsluCounter, 6206 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6097 SdHoareTripleChecker+Valid, 13506 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-21 14:11:13,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6097 Valid, 13506 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-21 14:11:13,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7155 states. [2022-07-21 14:11:14,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7155 to 7153. [2022-07-21 14:11:14,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7153 states, 5123 states have (on average 1.3495998438414991) internal successors, (6914), 5218 states have internal predecessors, (6914), 1823 states have call successors, (1823), 206 states have call predecessors, (1823), 205 states have return successors, (1820), 1770 states have call predecessors, (1820), 1820 states have call successors, (1820) [2022-07-21 14:11:14,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7153 states to 7153 states and 10557 transitions. [2022-07-21 14:11:14,368 INFO L78 Accepts]: Start accepts. Automaton has 7153 states and 10557 transitions. Word has length 314 [2022-07-21 14:11:14,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:11:14,370 INFO L495 AbstractCegarLoop]: Abstraction has 7153 states and 10557 transitions. [2022-07-21 14:11:14,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-21 14:11:14,371 INFO L276 IsEmpty]: Start isEmpty. Operand 7153 states and 10557 transitions. [2022-07-21 14:11:14,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2022-07-21 14:11:14,380 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:11:14,380 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 26, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:11:14,599 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forcibly destroying the process [2022-07-21 14:11:14,630 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 14:11:14,631 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 14:11:14,631 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:11:14,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:11:14,631 INFO L85 PathProgramCache]: Analyzing trace with hash 302809928, now seen corresponding path program 1 times [2022-07-21 14:11:14,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:11:14,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2003402537] [2022-07-21 14:11:14,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:11:14,641 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:11:14,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:11:14,643 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 14:11:14,646 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 14:11:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:11:30,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 7473 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:11:30,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:11:31,093 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 2925 trivial. 0 not checked. [2022-07-21 14:11:31,094 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:11:31,094 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:11:31,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2003402537] [2022-07-21 14:11:31,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2003402537] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:11:31,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:11:31,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:11:31,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921620114] [2022-07-21 14:11:31,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:11:31,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:11:31,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:11:31,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:11:31,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:11:31,097 INFO L87 Difference]: Start difference. First operand 7153 states and 10557 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-21 14:11:33,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:11:33,316 INFO L93 Difference]: Finished difference Result 17663 states and 26078 transitions. [2022-07-21 14:11:33,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:11:33,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 325 [2022-07-21 14:11:33,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:11:33,396 INFO L225 Difference]: With dead ends: 17663 [2022-07-21 14:11:33,396 INFO L226 Difference]: Without dead ends: 10567 [2022-07-21 14:11:33,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 323 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 14:11:33,434 INFO L413 NwaCegarLoop]: 6289 mSDtfsCounter, 5125 mSDsluCounter, 5301 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5125 SdHoareTripleChecker+Valid, 11590 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-21 14:11:33,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5125 Valid, 11590 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-21 14:11:33,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10567 states. [2022-07-21 14:11:33,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10567 to 10558. [2022-07-21 14:11:33,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10558 states, 7570 states have (on average 1.3484808454425363) internal successors, (10208), 7715 states have internal predecessors, (10208), 2680 states have call successors, (2680), 308 states have call predecessors, (2680), 306 states have return successors, (2677), 2597 states have call predecessors, (2677), 2677 states have call successors, (2677) [2022-07-21 14:11:33,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10558 states to 10558 states and 15565 transitions. [2022-07-21 14:11:33,914 INFO L78 Accepts]: Start accepts. Automaton has 10558 states and 15565 transitions. Word has length 325 [2022-07-21 14:11:33,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:11:33,916 INFO L495 AbstractCegarLoop]: Abstraction has 10558 states and 15565 transitions. [2022-07-21 14:11:33,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-21 14:11:33,916 INFO L276 IsEmpty]: Start isEmpty. Operand 10558 states and 15565 transitions. [2022-07-21 14:11:33,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-07-21 14:11:33,925 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:11:33,926 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 26, 26, 26, 26, 26, 26, 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] [2022-07-21 14:11:34,134 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forcibly destroying the process [2022-07-21 14:11:34,198 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 14:11:34,199 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 14:11:34,199 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:11:34,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:11:34,199 INFO L85 PathProgramCache]: Analyzing trace with hash -601308340, now seen corresponding path program 1 times [2022-07-21 14:11:34,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:11:34,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [498554977] [2022-07-21 14:11:34,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:11:34,209 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:11:34,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:11:34,211 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 14:11:34,214 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 14:11:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:11:48,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 7500 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:11:48,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:11:49,633 INFO L134 CoverageAnalysis]: Checked inductivity of 3007 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 2929 trivial. 0 not checked. [2022-07-21 14:11:49,633 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:11:49,633 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:11:49,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [498554977] [2022-07-21 14:11:49,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [498554977] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:11:49,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:11:49,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:11:49,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570378601] [2022-07-21 14:11:49,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:11:49,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:11:49,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:11:49,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:11:49,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:11:49,637 INFO L87 Difference]: Start difference. First operand 10558 states and 15565 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-21 14:11:51,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:11:51,435 INFO L93 Difference]: Finished difference Result 27918 states and 41172 transitions. [2022-07-21 14:11:51,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:11:51,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 346 [2022-07-21 14:11:51,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:11:51,546 INFO L225 Difference]: With dead ends: 27918 [2022-07-21 14:11:51,546 INFO L226 Difference]: Without dead ends: 17417 [2022-07-21 14:11:51,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 344 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 14:11:51,593 INFO L413 NwaCegarLoop]: 6260 mSDtfsCounter, 5157 mSDsluCounter, 5321 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5157 SdHoareTripleChecker+Valid, 11581 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-21 14:11:51,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5157 Valid, 11581 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-21 14:11:51,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17417 states. [2022-07-21 14:11:52,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17417 to 17404. [2022-07-21 14:11:52,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17404 states, 12489 states have (on average 1.3482264392665546) internal successors, (16838), 12737 states have internal predecessors, (16838), 4407 states have call successors, (4407), 509 states have call predecessors, (4407), 506 states have return successors, (4404), 4262 states have call predecessors, (4404), 4404 states have call successors, (4404) [2022-07-21 14:11:52,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17404 states to 17404 states and 25649 transitions. [2022-07-21 14:11:52,375 INFO L78 Accepts]: Start accepts. Automaton has 17404 states and 25649 transitions. Word has length 346 [2022-07-21 14:11:52,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:11:52,378 INFO L495 AbstractCegarLoop]: Abstraction has 17404 states and 25649 transitions. [2022-07-21 14:11:52,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-21 14:11:52,378 INFO L276 IsEmpty]: Start isEmpty. Operand 17404 states and 25649 transitions. [2022-07-21 14:11:52,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2022-07-21 14:11:52,389 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:11:52,390 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 26, 26, 26, 26, 26, 26, 4, 4, 4, 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] [2022-07-21 14:11:52,602 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forcibly destroying the process [2022-07-21 14:11:52,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 14:11:52,650 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 14:11:52,650 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:11:52,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:11:52,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1022627721, now seen corresponding path program 1 times [2022-07-21 14:11:52,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:11:52,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1100354702] [2022-07-21 14:11:52,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:11:52,662 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:11:52,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:11:52,663 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 14:11:52,665 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 14:12:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:07,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 7563 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:12:07,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:12:07,959 INFO L134 CoverageAnalysis]: Checked inductivity of 3290 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 3180 trivial. 0 not checked. [2022-07-21 14:12:07,959 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:12:07,959 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:12:07,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1100354702] [2022-07-21 14:12:07,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1100354702] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:12:07,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:12:07,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:12:07,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696128463] [2022-07-21 14:12:07,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:12:07,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:12:07,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:12:07,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:12:07,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:12:07,961 INFO L87 Difference]: Start difference. First operand 17404 states and 25649 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-21 14:12:09,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:12:09,618 INFO L93 Difference]: Finished difference Result 45159 states and 66583 transitions. [2022-07-21 14:12:09,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:12:09,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 371 [2022-07-21 14:12:09,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:12:09,796 INFO L225 Difference]: With dead ends: 45159 [2022-07-21 14:12:09,797 INFO L226 Difference]: Without dead ends: 31155 [2022-07-21 14:12:09,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 369 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 14:12:09,859 INFO L413 NwaCegarLoop]: 10444 mSDtfsCounter, 5183 mSDsluCounter, 5336 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5183 SdHoareTripleChecker+Valid, 15780 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-21 14:12:09,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5183 Valid, 15780 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-21 14:12:09,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31155 states. [2022-07-21 14:12:11,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31155 to 31153. [2022-07-21 14:12:11,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31153 states, 22378 states have (on average 1.3491375458039145) internal successors, (30191), 22810 states have internal predecessors, (30191), 7868 states have call successors, (7868), 908 states have call predecessors, (7868), 905 states have return successors, (7865), 7623 states have call predecessors, (7865), 7865 states have call successors, (7865) [2022-07-21 14:12:11,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31153 states to 31153 states and 45924 transitions. [2022-07-21 14:12:11,414 INFO L78 Accepts]: Start accepts. Automaton has 31153 states and 45924 transitions. Word has length 371 [2022-07-21 14:12:11,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:12:11,415 INFO L495 AbstractCegarLoop]: Abstraction has 31153 states and 45924 transitions. [2022-07-21 14:12:11,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-21 14:12:11,415 INFO L276 IsEmpty]: Start isEmpty. Operand 31153 states and 45924 transitions. [2022-07-21 14:12:11,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2022-07-21 14:12:11,433 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:12:11,433 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 26, 26, 26, 26, 26, 26, 4, 4, 4, 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] [2022-07-21 14:12:11,647 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forcibly destroying the process [2022-07-21 14:12:11,693 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 14:12:11,694 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 14:12:11,694 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:12:11,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:12:11,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1163176331, now seen corresponding path program 1 times [2022-07-21 14:12:11,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:12:11,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [771873608] [2022-07-21 14:12:11,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:12:11,704 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:12:11,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:12:11,705 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 14:12:11,707 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 14:12:24,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:25,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 7563 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 14:12:25,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:12:36,707 INFO L134 CoverageAnalysis]: Checked inductivity of 3290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3290 trivial. 0 not checked. [2022-07-21 14:12:36,707 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:12:36,707 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:12:36,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [771873608] [2022-07-21 14:12:36,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [771873608] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:12:36,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:12:36,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 14:12:36,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955792193] [2022-07-21 14:12:36,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:12:36,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 14:12:36,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:12:36,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 14:12:36,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 14:12:36,709 INFO L87 Difference]: Start difference. First operand 31153 states and 45924 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2022-07-21 14:12:37,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:12:37,936 INFO L93 Difference]: Finished difference Result 31153 states and 45924 transitions. [2022-07-21 14:12:37,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 14:12:37,937 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 371 [2022-07-21 14:12:37,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:12:38,082 INFO L225 Difference]: With dead ends: 31153 [2022-07-21 14:12:38,082 INFO L226 Difference]: Without dead ends: 31098 [2022-07-21 14:12:38,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 368 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:12:38,110 INFO L413 NwaCegarLoop]: 5362 mSDtfsCounter, 5224 mSDsluCounter, 5362 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5224 SdHoareTripleChecker+Valid, 10724 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 14:12:38,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5224 Valid, 10724 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 14:12:38,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31098 states. [2022-07-21 14:12:39,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31098 to 31098. [2022-07-21 14:12:39,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31098 states, 22353 states have (on average 1.3489911868652977) internal successors, (30154), 22773 states have internal predecessors, (30154), 7841 states have call successors, (7841), 903 states have call predecessors, (7841), 903 states have return successors, (7841), 7610 states have call predecessors, (7841), 7841 states have call successors, (7841) [2022-07-21 14:12:39,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31098 states to 31098 states and 45836 transitions. [2022-07-21 14:12:39,486 INFO L78 Accepts]: Start accepts. Automaton has 31098 states and 45836 transitions. Word has length 371 [2022-07-21 14:12:39,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:12:39,487 INFO L495 AbstractCegarLoop]: Abstraction has 31098 states and 45836 transitions. [2022-07-21 14:12:39,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2022-07-21 14:12:39,488 INFO L276 IsEmpty]: Start isEmpty. Operand 31098 states and 45836 transitions. [2022-07-21 14:12:39,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2022-07-21 14:12:39,513 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:12:39,514 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 26, 26, 26, 26, 26, 26, 4, 4, 4, 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] [2022-07-21 14:12:39,740 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forcibly destroying the process [2022-07-21 14:12:39,778 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 14:12:39,778 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 14:12:39,778 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:12:39,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:12:39,778 INFO L85 PathProgramCache]: Analyzing trace with hash 672243245, now seen corresponding path program 1 times [2022-07-21 14:12:39,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:12:39,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [263027558] [2022-07-21 14:12:39,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:12:39,790 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:12:39,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:12:39,800 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 14:12:39,801 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 14:12:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:54,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 7616 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:12:54,419 INFO L286 TraceCheckSpWp]: Computing forward predicates...