./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-rndis_wlan.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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-rndis_wlan.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 760ec64c2425d439883c5d1074b52af06ed0343ac750305f469404408ecd0aa4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 02:52:04,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 02:52:04,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 02:52:04,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 02:52:04,103 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 02:52:04,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 02:52:04,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 02:52:04,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 02:52:04,112 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 02:52:04,115 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 02:52:04,116 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 02:52:04,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 02:52:04,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 02:52:04,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 02:52:04,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 02:52:04,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 02:52:04,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 02:52:04,129 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 02:52:04,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 02:52:04,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 02:52:04,140 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 02:52:04,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 02:52:04,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 02:52:04,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 02:52:04,144 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 02:52:04,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 02:52:04,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 02:52:04,152 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 02:52:04,154 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 02:52:04,154 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 02:52:04,155 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 02:52:04,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 02:52:04,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 02:52:04,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 02:52:04,159 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 02:52:04,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 02:52:04,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 02:52:04,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 02:52:04,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 02:52:04,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 02:52:04,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 02:52:04,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 02:52:04,165 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 02:52:04,206 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 02:52:04,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 02:52:04,207 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 02:52:04,207 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 02:52:04,208 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 02:52:04,208 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 02:52:04,210 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 02:52:04,210 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 02:52:04,210 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 02:52:04,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 02:52:04,211 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 02:52:04,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 02:52:04,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 02:52:04,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 02:52:04,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 02:52:04,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 02:52:04,212 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 02:52:04,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 02:52:04,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 02:52:04,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 02:52:04,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 02:52:04,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:52:04,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 02:52:04,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 02:52:04,215 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 02:52:04,215 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 02:52:04,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 02:52:04,215 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 02:52:04,216 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 02:52:04,216 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 02:52:04,216 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 760ec64c2425d439883c5d1074b52af06ed0343ac750305f469404408ecd0aa4 [2022-07-23 02:52:04,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 02:52:04,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 02:52:04,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 02:52:04,487 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 02:52:04,487 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 02:52:04,489 INFO L432 ainManager$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-rndis_wlan.cil.i [2022-07-23 02:52:04,542 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f85d2489/c696d695f40044599d4d178451fd6a03/FLAG9884e8483 [2022-07-23 02:52:05,474 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 02:52:05,475 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-rndis_wlan.cil.i [2022-07-23 02:52:05,537 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f85d2489/c696d695f40044599d4d178451fd6a03/FLAG9884e8483 [2022-07-23 02:52:05,898 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f85d2489/c696d695f40044599d4d178451fd6a03 [2022-07-23 02:52:05,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 02:52:05,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 02:52:05,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 02:52:05,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 02:52:05,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 02:52:05,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:52:05" (1/1) ... [2022-07-23 02:52:05,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68d1f09a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:52:05, skipping insertion in model container [2022-07-23 02:52:05,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:52:05" (1/1) ... [2022-07-23 02:52:05,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 02:52:06,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:52:09,639 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-rndis_wlan.cil.i[464274,464287] [2022-07-23 02:52:09,642 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-rndis_wlan.cil.i[464421,464434] [2022-07-23 02:52:09,643 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-rndis_wlan.cil.i[464560,464573] [2022-07-23 02:52:09,644 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-rndis_wlan.cil.i[464718,464731] [2022-07-23 02:52:09,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:52:09,744 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 02:52:09,978 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: HeapLValues must be converted to RValue before their value can be queried. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:517) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-23 02:52:09,986 INFO L158 Benchmark]: Toolchain (without parser) took 4082.17ms. Allocated memory was 96.5MB in the beginning and 184.5MB in the end (delta: 88.1MB). Free memory was 60.1MB in the beginning and 93.0MB in the end (delta: -32.9MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. [2022-07-23 02:52:09,987 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 79.7MB. Free memory is still 55.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 02:52:09,988 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4077.67ms. Allocated memory was 96.5MB in the beginning and 184.5MB in the end (delta: 88.1MB). Free memory was 60.0MB in the beginning and 93.0MB in the end (delta: -33.0MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. [2022-07-23 02:52:09,990 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 79.7MB. Free memory is still 55.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4077.67ms. Allocated memory was 96.5MB in the beginning and 184.5MB in the end (delta: 88.1MB). Free memory was 60.0MB in the beginning and 93.0MB in the end (delta: -33.0MB). Peak memory consumption was 60.9MB. 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-rndis_wlan.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 760ec64c2425d439883c5d1074b52af06ed0343ac750305f469404408ecd0aa4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 02:52:11,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 02:52:11,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 02:52:11,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 02:52:11,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 02:52:11,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 02:52:11,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 02:52:11,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 02:52:12,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 02:52:12,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 02:52:12,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 02:52:12,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 02:52:12,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 02:52:12,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 02:52:12,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 02:52:12,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 02:52:12,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 02:52:12,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 02:52:12,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 02:52:12,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 02:52:12,030 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 02:52:12,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 02:52:12,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 02:52:12,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 02:52:12,035 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 02:52:12,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 02:52:12,043 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 02:52:12,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 02:52:12,045 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 02:52:12,045 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 02:52:12,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 02:52:12,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 02:52:12,049 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 02:52:12,050 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 02:52:12,051 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 02:52:12,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 02:52:12,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 02:52:12,053 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 02:52:12,053 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 02:52:12,053 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 02:52:12,054 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 02:52:12,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 02:52:12,061 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 02:52:12,094 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 02:52:12,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 02:52:12,095 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 02:52:12,095 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 02:52:12,096 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 02:52:12,096 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 02:52:12,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 02:52:12,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 02:52:12,098 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 02:52:12,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 02:52:12,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 02:52:12,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 02:52:12,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 02:52:12,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 02:52:12,100 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 02:52:12,100 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 02:52:12,101 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 02:52:12,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 02:52:12,101 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 02:52:12,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 02:52:12,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 02:52:12,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 02:52:12,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 02:52:12,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:52:12,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 02:52:12,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 02:52:12,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 02:52:12,103 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 02:52:12,103 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 02:52:12,103 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 02:52:12,104 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 02:52:12,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 02:52:12,104 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 02:52:12,105 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 760ec64c2425d439883c5d1074b52af06ed0343ac750305f469404408ecd0aa4 [2022-07-23 02:52:12,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 02:52:12,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 02:52:12,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 02:52:12,488 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 02:52:12,489 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 02:52:12,491 INFO L432 ainManager$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-rndis_wlan.cil.i [2022-07-23 02:52:12,548 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10b76c7a1/afed0ff753284195b7e3c91cb2a3b8c7/FLAGfcabf6e65 [2022-07-23 02:52:13,461 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 02:52:13,462 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-rndis_wlan.cil.i [2022-07-23 02:52:13,525 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10b76c7a1/afed0ff753284195b7e3c91cb2a3b8c7/FLAGfcabf6e65 [2022-07-23 02:52:13,884 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10b76c7a1/afed0ff753284195b7e3c91cb2a3b8c7 [2022-07-23 02:52:13,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 02:52:13,887 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 02:52:13,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 02:52:13,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 02:52:13,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 02:52:13,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:52:13" (1/1) ... [2022-07-23 02:52:13,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1da3cfb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:52:13, skipping insertion in model container [2022-07-23 02:52:13,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:52:13" (1/1) ... [2022-07-23 02:52:13,901 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 02:52:14,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:52:17,197 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-rndis_wlan.cil.i[464274,464287] [2022-07-23 02:52:17,200 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-rndis_wlan.cil.i[464421,464434] [2022-07-23 02:52:17,201 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-rndis_wlan.cil.i[464560,464573] [2022-07-23 02:52:17,201 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-rndis_wlan.cil.i[464718,464731] [2022-07-23 02:52:17,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:52:17,287 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 02:52:17,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:52:17,764 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-rndis_wlan.cil.i[464274,464287] [2022-07-23 02:52:17,765 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-rndis_wlan.cil.i[464421,464434] [2022-07-23 02:52:17,766 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-rndis_wlan.cil.i[464560,464573] [2022-07-23 02:52:17,766 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-rndis_wlan.cil.i[464718,464731] [2022-07-23 02:52:17,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:52:17,793 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 02:52:18,184 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-rndis_wlan.cil.i[464274,464287] [2022-07-23 02:52:18,185 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-rndis_wlan.cil.i[464421,464434] [2022-07-23 02:52:18,185 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-rndis_wlan.cil.i[464560,464573] [2022-07-23 02:52:18,186 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-rndis_wlan.cil.i[464718,464731] [2022-07-23 02:52:18,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:52:18,402 INFO L208 MainTranslator]: Completed translation [2022-07-23 02:52:18,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:52:18 WrapperNode [2022-07-23 02:52:18,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 02:52:18,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 02:52:18,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 02:52:18,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 02:52:18,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:52:18" (1/1) ... [2022-07-23 02:52:18,533 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:52:18" (1/1) ... [2022-07-23 02:52:18,769 INFO L137 Inliner]: procedures = 411, calls = 4490, calls flagged for inlining = 219, calls inlined = 198, statements flattened = 8658 [2022-07-23 02:52:18,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 02:52:18,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 02:52:18,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 02:52:18,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 02:52:18,781 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:52:18" (1/1) ... [2022-07-23 02:52:18,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:52:18" (1/1) ... [2022-07-23 02:52:18,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:52:18" (1/1) ... [2022-07-23 02:52:18,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:52:18" (1/1) ... [2022-07-23 02:52:19,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:52:18" (1/1) ... [2022-07-23 02:52:19,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:52:18" (1/1) ... [2022-07-23 02:52:19,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:52:18" (1/1) ... [2022-07-23 02:52:19,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 02:52:19,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 02:52:19,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 02:52:19,258 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 02:52:19,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:52:18" (1/1) ... [2022-07-23 02:52:19,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:52:19,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:52:19,319 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) [2022-07-23 02:52:19,380 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 [2022-07-23 02:52:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2022-07-23 02:52:19,424 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2022-07-23 02:52:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-07-23 02:52:19,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-07-23 02:52:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2022-07-23 02:52:19,425 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2022-07-23 02:52:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2022-07-23 02:52:19,425 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2022-07-23 02:52:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 02:52:19,426 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 02:52:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2022-07-23 02:52:19,426 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2022-07-23 02:52:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2022-07-23 02:52:19,426 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2022-07-23 02:52:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 02:52:19,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 02:52:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2022-07-23 02:52:19,427 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2022-07-23 02:52:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2022-07-23 02:52:19,427 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2022-07-23 02:52:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2022-07-23 02:52:19,428 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2022-07-23 02:52:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2022-07-23 02:52:19,428 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2022-07-23 02:52:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2022-07-23 02:52:19,428 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2022-07-23 02:52:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2022-07-23 02:52:19,429 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2022-07-23 02:52:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2022-07-23 02:52:19,429 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2022-07-23 02:52:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 02:52:19,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 02:52:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-07-23 02:52:19,430 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-07-23 02:52:19,430 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 02:52:19,430 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 02:52:19,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 02:52:19,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 02:52:19,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 02:52:19,430 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2022-07-23 02:52:19,431 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2022-07-23 02:52:19,431 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2022-07-23 02:52:19,431 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2022-07-23 02:52:19,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-23 02:52:19,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 02:52:19,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 02:52:19,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 02:52:19,432 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2022-07-23 02:52:19,432 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2022-07-23 02:52:19,432 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-23 02:52:19,432 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-23 02:52:19,432 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 02:52:19,433 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 02:52:19,433 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2022-07-23 02:52:19,433 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2022-07-23 02:52:19,433 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2022-07-23 02:52:19,433 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2022-07-23 02:52:19,433 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2022-07-23 02:52:19,433 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2022-07-23 02:52:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2022-07-23 02:52:19,434 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2022-07-23 02:52:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2022-07-23 02:52:19,434 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2022-07-23 02:52:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2022-07-23 02:52:19,434 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2022-07-23 02:52:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 02:52:19,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 02:52:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2022-07-23 02:52:19,435 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2022-07-23 02:52:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2022-07-23 02:52:19,435 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2022-07-23 02:52:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2022-07-23 02:52:19,436 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2022-07-23 02:52:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 02:52:19,436 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 02:52:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 02:52:19,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 02:52:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2022-07-23 02:52:19,437 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2022-07-23 02:52:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2022-07-23 02:52:19,437 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2022-07-23 02:52:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2022-07-23 02:52:19,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2022-07-23 02:52:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 02:52:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2022-07-23 02:52:19,438 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2022-07-23 02:52:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2022-07-23 02:52:19,438 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2022-07-23 02:52:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-23 02:52:19,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-23 02:52:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2022-07-23 02:52:19,439 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2022-07-23 02:52:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-23 02:52:19,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-23 02:52:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 02:52:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2022-07-23 02:52:19,439 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2022-07-23 02:52:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 02:52:19,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 02:52:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2022-07-23 02:52:19,440 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2022-07-23 02:52:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 02:52:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 02:52:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 02:52:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2022-07-23 02:52:19,441 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2022-07-23 02:52:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 02:52:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2022-07-23 02:52:19,441 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2022-07-23 02:52:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2022-07-23 02:52:19,442 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2022-07-23 02:52:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2022-07-23 02:52:19,444 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2022-07-23 02:52:19,444 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-23 02:52:19,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-23 02:52:19,444 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2022-07-23 02:52:19,444 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2022-07-23 02:52:19,445 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-07-23 02:52:19,445 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-07-23 02:52:19,445 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 02:52:19,445 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 02:52:19,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 02:52:19,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 02:52:19,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 02:52:19,446 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-23 02:52:19,446 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-23 02:52:19,446 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-23 02:52:19,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-23 02:52:19,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 02:52:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 02:52:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 02:52:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 02:52:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 02:52:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 02:52:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 02:52:19,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 02:52:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-07-23 02:52:19,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-07-23 02:52:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-23 02:52:19,448 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-23 02:52:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2022-07-23 02:52:19,448 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2022-07-23 02:52:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 02:52:19,449 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 02:52:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2022-07-23 02:52:19,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2022-07-23 02:52:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-23 02:52:19,449 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-23 02:52:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2022-07-23 02:52:19,450 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2022-07-23 02:52:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2022-07-23 02:52:19,450 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2022-07-23 02:52:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2022-07-23 02:52:19,450 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2022-07-23 02:52:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 02:52:19,450 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 02:52:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2022-07-23 02:52:19,451 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2022-07-23 02:52:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 02:52:19,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 02:52:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-23 02:52:19,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-23 02:52:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-23 02:52:19,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-23 02:52:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 02:52:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 02:52:19,452 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 02:52:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2022-07-23 02:52:19,452 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2022-07-23 02:52:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 02:52:19,453 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2022-07-23 02:52:19,453 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2022-07-23 02:52:19,453 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2022-07-23 02:52:19,453 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2022-07-23 02:52:19,453 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2022-07-23 02:52:19,453 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2022-07-23 02:52:19,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 02:52:19,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 02:52:19,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 02:52:19,454 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-23 02:52:19,454 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-23 02:52:19,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 02:52:19,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 02:52:19,455 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2022-07-23 02:52:19,455 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2022-07-23 02:52:19,455 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-23 02:52:19,455 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-23 02:52:19,455 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2022-07-23 02:52:19,455 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2022-07-23 02:52:19,455 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-23 02:52:19,456 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-23 02:52:19,456 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 02:52:19,456 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 02:52:19,456 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2022-07-23 02:52:19,456 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2022-07-23 02:52:19,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 02:52:19,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 02:52:19,457 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-23 02:52:19,457 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-23 02:52:19,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2022-07-23 02:52:19,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2022-07-23 02:52:19,457 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-23 02:52:19,457 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-23 02:52:19,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-23 02:52:19,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-23 02:52:19,458 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2022-07-23 02:52:19,458 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2022-07-23 02:52:19,458 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-07-23 02:52:19,458 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-07-23 02:52:19,458 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 02:52:19,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 02:52:19,459 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2022-07-23 02:52:19,459 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2022-07-23 02:52:19,459 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 02:52:19,459 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 02:52:19,459 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2022-07-23 02:52:19,459 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2022-07-23 02:52:19,459 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2022-07-23 02:52:19,460 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2022-07-23 02:52:19,460 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2022-07-23 02:52:19,460 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2022-07-23 02:52:19,460 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2022-07-23 02:52:19,460 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2022-07-23 02:52:19,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 02:52:19,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 02:52:19,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 02:52:19,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 02:52:19,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 02:52:19,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 02:52:19,461 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2022-07-23 02:52:19,461 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2022-07-23 02:52:19,464 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-07-23 02:52:19,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-07-23 02:52:19,464 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-23 02:52:19,464 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-23 02:52:19,465 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2022-07-23 02:52:19,465 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2022-07-23 02:52:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 02:52:19,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 02:52:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-23 02:52:19,472 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-23 02:52:19,472 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2022-07-23 02:52:19,472 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2022-07-23 02:52:19,472 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2022-07-23 02:52:19,472 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2022-07-23 02:52:19,472 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2022-07-23 02:52:19,472 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2022-07-23 02:52:19,473 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2022-07-23 02:52:19,473 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2022-07-23 02:52:19,473 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2022-07-23 02:52:19,473 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2022-07-23 02:52:19,473 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-07-23 02:52:19,473 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-23 02:52:19,473 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-23 02:52:19,474 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2022-07-23 02:52:19,474 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2022-07-23 02:52:19,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 02:52:19,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 02:52:20,650 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 02:52:20,653 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 02:52:28,041 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 02:54:50,084 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 02:54:56,367 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 02:54:56,399 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 02:54:56,399 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 02:54:56,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:54:56 BoogieIcfgContainer [2022-07-23 02:54:56,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 02:54:56,408 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 02:54:56,408 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 02:54:56,411 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 02:54:56,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 02:52:13" (1/3) ... [2022-07-23 02:54:56,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@239e565e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:54:56, skipping insertion in model container [2022-07-23 02:54:56,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:52:18" (2/3) ... [2022-07-23 02:54:56,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@239e565e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:54:56, skipping insertion in model container [2022-07-23 02:54:56,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:54:56" (3/3) ... [2022-07-23 02:54:56,415 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rndis_wlan.cil.i [2022-07-23 02:54:56,430 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 02:54:56,430 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-23 02:54:56,564 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 02:54:56,572 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@ce73440, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@51e05cdd [2022-07-23 02:54:56,573 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-23 02:54:56,591 INFO L276 IsEmpty]: Start isEmpty. Operand has 2634 states, 1846 states have (on average 1.3076923076923077) internal successors, (2414), 1849 states have internal predecessors, (2414), 674 states have call successors, (674), 113 states have call predecessors, (674), 112 states have return successors, (666), 666 states have call predecessors, (666), 666 states have call successors, (666) [2022-07-23 02:54:56,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2022-07-23 02:54:56,644 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:54:56,645 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:54:56,646 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:54:56,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:54:56,652 INFO L85 PathProgramCache]: Analyzing trace with hash 478673280, now seen corresponding path program 1 times [2022-07-23 02:54:56,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:54:56,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1903451542] [2022-07-23 02:54:56,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:54:56,678 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:54:56,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:54:56,681 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) [2022-07-23 02:54:56,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 02:55:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:55:00,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 4032 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:55:00,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:55:01,681 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-23 02:55:01,682 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:55:01,682 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:55:01,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1903451542] [2022-07-23 02:55:01,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1903451542] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:55:01,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:55:01,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:55:01,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169694406] [2022-07-23 02:55:01,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:55:01,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:55:01,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:55:01,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:55:01,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:55:01,732 INFO L87 Difference]: Start difference. First operand has 2634 states, 1846 states have (on average 1.3076923076923077) internal successors, (2414), 1849 states have internal predecessors, (2414), 674 states have call successors, (674), 113 states have call predecessors, (674), 112 states have return successors, (666), 666 states have call predecessors, (666), 666 states have call successors, (666) Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-23 02:55:03,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:55:03,810 INFO L93 Difference]: Finished difference Result 7632 states and 10965 transitions. [2022-07-23 02:55:03,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:55:03,813 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 429 [2022-07-23 02:55:03,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:55:03,895 INFO L225 Difference]: With dead ends: 7632 [2022-07-23 02:55:03,896 INFO L226 Difference]: Without dead ends: 5062 [2022-07-23 02:55:03,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 427 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:55:03,939 INFO L413 NwaCegarLoop]: 4354 mSDtfsCounter, 3509 mSDsluCounter, 3671 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3509 SdHoareTripleChecker+Valid, 8025 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-23 02:55:03,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3509 Valid, 8025 Invalid, 64 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-23 02:55:03,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5062 states. [2022-07-23 02:55:04,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5062 to 5060. [2022-07-23 02:55:04,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5060 states, 3567 states have (on average 1.3078216989066442) internal successors, (4665), 3572 states have internal predecessors, (4665), 1270 states have call successors, (1270), 222 states have call predecessors, (1270), 221 states have return successors, (1267), 1267 states have call predecessors, (1267), 1267 states have call successors, (1267) [2022-07-23 02:55:04,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5060 states to 5060 states and 7202 transitions. [2022-07-23 02:55:04,383 INFO L78 Accepts]: Start accepts. Automaton has 5060 states and 7202 transitions. Word has length 429 [2022-07-23 02:55:04,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:55:04,387 INFO L495 AbstractCegarLoop]: Abstraction has 5060 states and 7202 transitions. [2022-07-23 02:55:04,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-23 02:55:04,388 INFO L276 IsEmpty]: Start isEmpty. Operand 5060 states and 7202 transitions. [2022-07-23 02:55:04,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2022-07-23 02:55:04,414 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:55:04,416 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:55:04,568 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-23 02:55:04,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:55:04,632 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:55:04,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:55:04,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1769632464, now seen corresponding path program 1 times [2022-07-23 02:55:04,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:55:04,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [545792930] [2022-07-23 02:55:04,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:55:04,639 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:55:04,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:55:04,642 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) [2022-07-23 02:55:04,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 02:55:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:55:09,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 4214 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:55:09,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:55:10,081 INFO L134 CoverageAnalysis]: Checked inductivity of 5871 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5763 trivial. 0 not checked. [2022-07-23 02:55:10,082 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:55:10,082 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:55:10,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [545792930] [2022-07-23 02:55:10,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [545792930] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:55:10,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:55:10,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:55:10,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820800802] [2022-07-23 02:55:10,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:55:10,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:55:10,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:55:10,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:55:10,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:55:10,092 INFO L87 Difference]: Start difference. First operand 5060 states and 7202 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-23 02:55:11,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:55:11,656 INFO L93 Difference]: Finished difference Result 14788 states and 21053 transitions. [2022-07-23 02:55:11,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:55:11,657 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 495 [2022-07-23 02:55:11,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:55:11,738 INFO L225 Difference]: With dead ends: 14788 [2022-07-23 02:55:11,739 INFO L226 Difference]: Without dead ends: 9805 [2022-07-23 02:55:11,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 494 GetRequests, 493 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:55:11,779 INFO L413 NwaCegarLoop]: 4323 mSDtfsCounter, 3409 mSDsluCounter, 3680 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3409 SdHoareTripleChecker+Valid, 8003 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-23 02:55:11,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3409 Valid, 8003 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-23 02:55:11,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9805 states. [2022-07-23 02:55:12,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9805 to 9794. [2022-07-23 02:55:12,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9794 states, 6921 states have (on average 1.309203872272793) internal successors, (9061), 6935 states have internal predecessors, (9061), 2437 states have call successors, (2437), 435 states have call predecessors, (2437), 434 states have return successors, (2434), 2427 states have call predecessors, (2434), 2434 states have call successors, (2434) [2022-07-23 02:55:12,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9794 states to 9794 states and 13932 transitions. [2022-07-23 02:55:12,475 INFO L78 Accepts]: Start accepts. Automaton has 9794 states and 13932 transitions. Word has length 495 [2022-07-23 02:55:12,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:55:12,477 INFO L495 AbstractCegarLoop]: Abstraction has 9794 states and 13932 transitions. [2022-07-23 02:55:12,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-23 02:55:12,478 INFO L276 IsEmpty]: Start isEmpty. Operand 9794 states and 13932 transitions. [2022-07-23 02:55:12,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2022-07-23 02:55:12,509 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:55:12,510 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:55:12,622 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-23 02:55:12,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:55:12,732 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:55:12,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:55:12,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1726832612, now seen corresponding path program 1 times [2022-07-23 02:55:12,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:55:12,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [853076128] [2022-07-23 02:55:12,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:55:12,741 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:55:12,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:55:12,742 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) [2022-07-23 02:55:12,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 02:55:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:55:16,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 4164 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:55:16,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:55:17,387 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 6015 trivial. 0 not checked. [2022-07-23 02:55:17,387 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:55:17,387 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:55:17,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [853076128] [2022-07-23 02:55:17,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [853076128] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:55:17,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:55:17,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:55:17,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142294476] [2022-07-23 02:55:17,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:55:17,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:55:17,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:55:17,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:55:17,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:55:17,389 INFO L87 Difference]: Start difference. First operand 9794 states and 13932 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-07-23 02:55:19,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:55:19,221 INFO L93 Difference]: Finished difference Result 19535 states and 27792 transitions. [2022-07-23 02:55:19,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:55:19,222 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 492 [2022-07-23 02:55:19,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:55:19,482 INFO L225 Difference]: With dead ends: 19535 [2022-07-23 02:55:19,484 INFO L226 Difference]: Without dead ends: 14566 [2022-07-23 02:55:19,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 490 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:55:19,524 INFO L413 NwaCegarLoop]: 7189 mSDtfsCounter, 3468 mSDsluCounter, 3676 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3468 SdHoareTripleChecker+Valid, 10865 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-23 02:55:19,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3468 Valid, 10865 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-23 02:55:19,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14566 states. [2022-07-23 02:55:20,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14566 to 14564. [2022-07-23 02:55:20,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14564 states, 10299 states have (on average 1.3101271968152248) internal successors, (13493), 10317 states have internal predecessors, (13493), 3613 states have call successors, (3613), 651 states have call predecessors, (3613), 650 states have return successors, (3610), 3601 states have call predecessors, (3610), 3610 states have call successors, (3610) [2022-07-23 02:55:20,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14564 states to 14564 states and 20716 transitions. [2022-07-23 02:55:20,220 INFO L78 Accepts]: Start accepts. Automaton has 14564 states and 20716 transitions. Word has length 492 [2022-07-23 02:55:20,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:55:20,221 INFO L495 AbstractCegarLoop]: Abstraction has 14564 states and 20716 transitions. [2022-07-23 02:55:20,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-07-23 02:55:20,222 INFO L276 IsEmpty]: Start isEmpty. Operand 14564 states and 20716 transitions. [2022-07-23 02:55:20,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2022-07-23 02:55:20,259 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:55:20,259 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:55:20,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 02:55:20,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:55:20,480 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:55:20,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:55:20,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1704200358, now seen corresponding path program 1 times [2022-07-23 02:55:20,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:55:20,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1633650257] [2022-07-23 02:55:20,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:55:20,488 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:55:20,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:55:20,494 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) [2022-07-23 02:55:20,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 02:55:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:55:24,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 4164 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:55:24,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:55:42,644 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2022-07-23 02:55:42,644 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:55:42,644 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:55:42,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1633650257] [2022-07-23 02:55:42,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1633650257] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:55:42,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:55:42,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:55:42,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310686275] [2022-07-23 02:55:42,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:55:42,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:55:42,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:55:42,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:55:42,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:55:42,647 INFO L87 Difference]: Start difference. First operand 14564 states and 20716 transitions. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2022-07-23 02:55:43,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:55:43,576 INFO L93 Difference]: Finished difference Result 14564 states and 20716 transitions. [2022-07-23 02:55:43,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 02:55:43,577 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) Word has length 492 [2022-07-23 02:55:43,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:55:43,690 INFO L225 Difference]: With dead ends: 14564 [2022-07-23 02:55:43,691 INFO L226 Difference]: Without dead ends: 14525 [2022-07-23 02:55:43,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 489 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:55:43,712 INFO L413 NwaCegarLoop]: 3717 mSDtfsCounter, 3543 mSDsluCounter, 3717 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3543 SdHoareTripleChecker+Valid, 7434 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-23 02:55:43,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3543 Valid, 7434 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-23 02:55:43,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14525 states. [2022-07-23 02:55:44,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14525 to 14525. [2022-07-23 02:55:44,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14525 states, 10278 states have (on average 1.3101770772523837) internal successors, (13466), 10290 states have internal predecessors, (13466), 3598 states have call successors, (3598), 648 states have call predecessors, (3598), 648 states have return successors, (3598), 3592 states have call predecessors, (3598), 3598 states have call successors, (3598) [2022-07-23 02:55:44,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14525 states to 14525 states and 20662 transitions. [2022-07-23 02:55:44,522 INFO L78 Accepts]: Start accepts. Automaton has 14525 states and 20662 transitions. Word has length 492 [2022-07-23 02:55:44,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:55:44,523 INFO L495 AbstractCegarLoop]: Abstraction has 14525 states and 20662 transitions. [2022-07-23 02:55:44,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2022-07-23 02:55:44,524 INFO L276 IsEmpty]: Start isEmpty. Operand 14525 states and 20662 transitions. [2022-07-23 02:55:44,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2022-07-23 02:55:44,624 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:55:44,627 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 36, 36, 36, 36, 36, 36, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:55:44,770 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-23 02:55:44,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:55:44,844 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:55:44,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:55:44,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1999974807, now seen corresponding path program 1 times [2022-07-23 02:55:44,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:55:44,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [301364612] [2022-07-23 02:55:44,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:55:44,851 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:55:44,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:55:44,853 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) [2022-07-23 02:55:44,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-23 02:55:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:55:48,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 4255 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:55:48,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:55:49,608 INFO L134 CoverageAnalysis]: Checked inductivity of 6017 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 5787 trivial. 0 not checked. [2022-07-23 02:55:49,609 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:55:49,609 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:55:49,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [301364612] [2022-07-23 02:55:49,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [301364612] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:55:49,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:55:49,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:55:49,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285287945] [2022-07-23 02:55:49,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:55:49,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:55:49,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:55:49,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:55:49,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:55:49,613 INFO L87 Difference]: Start difference. First operand 14525 states and 20662 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-07-23 02:55:51,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:55:51,151 INFO L93 Difference]: Finished difference Result 36213 states and 51487 transitions. [2022-07-23 02:55:51,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:55:51,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 522 [2022-07-23 02:55:51,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:55:51,489 INFO L225 Difference]: With dead ends: 36213 [2022-07-23 02:55:51,489 INFO L226 Difference]: Without dead ends: 21765 [2022-07-23 02:55:51,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 521 GetRequests, 520 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:55:51,574 INFO L413 NwaCegarLoop]: 4522 mSDtfsCounter, 3545 mSDsluCounter, 3680 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3545 SdHoareTripleChecker+Valid, 8202 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-23 02:55:51,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3545 Valid, 8202 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-23 02:55:51,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21765 states. [2022-07-23 02:55:52,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21765 to 21761. [2022-07-23 02:55:52,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21761 states, 15408 states have (on average 1.309319833852544) internal successors, (20174), 15423 states have internal predecessors, (20174), 5373 states have call successors, (5373), 979 states have call predecessors, (5373), 979 states have return successors, (5373), 5367 states have call predecessors, (5373), 5373 states have call successors, (5373) [2022-07-23 02:55:52,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21761 states to 21761 states and 30920 transitions. [2022-07-23 02:55:52,764 INFO L78 Accepts]: Start accepts. Automaton has 21761 states and 30920 transitions. Word has length 522 [2022-07-23 02:55:52,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:55:52,765 INFO L495 AbstractCegarLoop]: Abstraction has 21761 states and 30920 transitions. [2022-07-23 02:55:52,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-07-23 02:55:52,766 INFO L276 IsEmpty]: Start isEmpty. Operand 21761 states and 30920 transitions. [2022-07-23 02:55:52,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 594 [2022-07-23 02:55:52,885 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:55:52,885 INFO L195 NwaCegarLoop]: trace histogram [41, 41, 36, 36, 36, 36, 36, 36, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:55:53,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-23 02:55:53,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:55:53,100 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:55:53,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:55:53,101 INFO L85 PathProgramCache]: Analyzing trace with hash -909716579, now seen corresponding path program 1 times [2022-07-23 02:55:53,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:55:53,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1081677497] [2022-07-23 02:55:53,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:55:53,106 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:55:53,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:55:53,109 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) [2022-07-23 02:55:53,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-23 02:55:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:55:57,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 4404 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:55:57,982 INFO L286 TraceCheckSpWp]: Computing forward predicates...