./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 eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-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-?-eb692b5 [2022-07-20 02:37:22,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 02:37:22,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 02:37:22,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 02:37:22,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 02:37:22,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 02:37:22,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 02:37:22,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 02:37:22,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 02:37:22,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 02:37:22,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 02:37:22,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 02:37:22,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 02:37:22,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 02:37:22,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 02:37:22,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 02:37:22,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 02:37:22,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 02:37:22,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 02:37:22,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 02:37:22,092 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 02:37:22,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 02:37:22,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 02:37:22,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 02:37:22,096 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 02:37:22,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 02:37:22,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 02:37:22,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 02:37:22,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 02:37:22,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 02:37:22,106 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 02:37:22,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 02:37:22,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 02:37:22,109 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 02:37:22,109 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 02:37:22,110 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 02:37:22,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 02:37:22,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 02:37:22,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 02:37:22,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 02:37:22,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 02:37:22,115 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 02:37:22,116 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 02:37:22,141 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 02:37:22,142 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 02:37:22,142 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 02:37:22,142 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 02:37:22,143 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 02:37:22,143 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 02:37:22,144 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 02:37:22,144 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 02:37:22,144 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 02:37:22,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 02:37:22,146 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 02:37:22,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 02:37:22,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 02:37:22,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 02:37:22,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 02:37:22,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 02:37:22,147 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 02:37:22,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 02:37:22,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 02:37:22,147 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 02:37:22,148 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 02:37:22,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:37:22,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 02:37:22,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 02:37:22,148 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 02:37:22,149 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 02:37:22,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 02:37:22,149 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 02:37:22,149 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 02:37:22,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 02:37:22,150 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 760ec64c2425d439883c5d1074b52af06ed0343ac750305f469404408ecd0aa4 [2022-07-20 02:37:22,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 02:37:22,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 02:37:22,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 02:37:22,385 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 02:37:22,385 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 02:37:22,386 INFO L432 ainManager$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 [2022-07-20 02:37:22,455 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ecbc6122/b77d53d50cda40c1bc46429acffe992f/FLAG70c1d992e [2022-07-20 02:37:23,301 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 02:37:23,302 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 [2022-07-20 02:37:23,360 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ecbc6122/b77d53d50cda40c1bc46429acffe992f/FLAG70c1d992e [2022-07-20 02:37:23,762 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ecbc6122/b77d53d50cda40c1bc46429acffe992f [2022-07-20 02:37:23,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 02:37:23,765 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 02:37:23,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 02:37:23,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 02:37:23,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 02:37:23,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:37:23" (1/1) ... [2022-07-20 02:37:23,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@346034f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:37:23, skipping insertion in model container [2022-07-20 02:37:23,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:37:23" (1/1) ... [2022-07-20 02:37:23,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 02:37:23,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:37:26,782 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rndis_wlan.cil.i[464274,464287] [2022-07-20 02:37:26,790 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] [2022-07-20 02:37:26,791 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] [2022-07-20 02:37:26,792 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] [2022-07-20 02:37:26,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:37:26,854 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 02:37:27,101 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) [2022-07-20 02:37:27,110 INFO L158 Benchmark]: Toolchain (without parser) took 3343.19ms. Allocated memory was 119.5MB in the beginning and 169.9MB in the end (delta: 50.3MB). Free memory was 72.0MB in the beginning and 85.6MB in the end (delta: -13.6MB). Peak memory consumption was 78.9MB. Max. memory is 16.1GB. [2022-07-20 02:37:27,111 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 119.5MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 02:37:27,112 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3337.91ms. Allocated memory was 119.5MB in the beginning and 169.9MB in the end (delta: 50.3MB). Free memory was 72.0MB in the beginning and 85.6MB in the end (delta: -13.6MB). Peak memory consumption was 78.9MB. Max. memory is 16.1GB. [2022-07-20 02:37:27,113 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 119.5MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3337.91ms. Allocated memory was 119.5MB in the beginning and 169.9MB in the end (delta: 50.3MB). Free memory was 72.0MB in the beginning and 85.6MB in the end (delta: -13.6MB). Peak memory consumption was 78.9MB. 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-?-eb692b5 [2022-07-20 02:37:28,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 02:37:28,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 02:37:28,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 02:37:28,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 02:37:28,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 02:37:28,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 02:37:28,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 02:37:28,988 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 02:37:29,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 02:37:29,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 02:37:29,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 02:37:29,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 02:37:29,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 02:37:29,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 02:37:29,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 02:37:29,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 02:37:29,021 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 02:37:29,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 02:37:29,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 02:37:29,029 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 02:37:29,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 02:37:29,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 02:37:29,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 02:37:29,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 02:37:29,041 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 02:37:29,041 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 02:37:29,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 02:37:29,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 02:37:29,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 02:37:29,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 02:37:29,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 02:37:29,046 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 02:37:29,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 02:37:29,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 02:37:29,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 02:37:29,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 02:37:29,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 02:37:29,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 02:37:29,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 02:37:29,050 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 02:37:29,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 02:37:29,057 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 02:37:29,088 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 02:37:29,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 02:37:29,089 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 02:37:29,089 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 02:37:29,090 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 02:37:29,090 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 02:37:29,091 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 02:37:29,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 02:37:29,091 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 02:37:29,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 02:37:29,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 02:37:29,092 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 02:37:29,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 02:37:29,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 02:37:29,093 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 02:37:29,093 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 02:37:29,094 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 02:37:29,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 02:37:29,094 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 02:37:29,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 02:37:29,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 02:37:29,095 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 02:37:29,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 02:37:29,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:37:29,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 02:37:29,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 02:37:29,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 02:37:29,096 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 02:37:29,096 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 02:37:29,096 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 02:37:29,097 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 02:37:29,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 02:37:29,097 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 02:37:29,097 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 760ec64c2425d439883c5d1074b52af06ed0343ac750305f469404408ecd0aa4 [2022-07-20 02:37:29,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 02:37:29,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 02:37:29,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 02:37:29,436 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 02:37:29,436 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 02:37:29,437 INFO L432 ainManager$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 [2022-07-20 02:37:29,495 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01047c02e/fadfdfef9ba64c8daec9bc2743d2fc41/FLAGd731ff132 [2022-07-20 02:37:30,366 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 02:37:30,366 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 [2022-07-20 02:37:30,448 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01047c02e/fadfdfef9ba64c8daec9bc2743d2fc41/FLAGd731ff132 [2022-07-20 02:37:30,547 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01047c02e/fadfdfef9ba64c8daec9bc2743d2fc41 [2022-07-20 02:37:30,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 02:37:30,551 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 02:37:30,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 02:37:30,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 02:37:30,555 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 02:37:30,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:37:30" (1/1) ... [2022-07-20 02:37:30,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49926fad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:37:30, skipping insertion in model container [2022-07-20 02:37:30,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:37:30" (1/1) ... [2022-07-20 02:37:30,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 02:37:30,708 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:37:33,478 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] [2022-07-20 02:37:33,505 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] [2022-07-20 02:37:33,506 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] [2022-07-20 02:37:33,506 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] [2022-07-20 02:37:33,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:37:33,592 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 02:37:33,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:37:34,085 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] [2022-07-20 02:37:34,086 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] [2022-07-20 02:37:34,086 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] [2022-07-20 02:37:34,086 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] [2022-07-20 02:37:34,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:37:34,122 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 02:37:34,600 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] [2022-07-20 02:37:34,600 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] [2022-07-20 02:37:34,601 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] [2022-07-20 02:37:34,601 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] [2022-07-20 02:37:34,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:37:34,836 INFO L208 MainTranslator]: Completed translation [2022-07-20 02:37:34,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:37:34 WrapperNode [2022-07-20 02:37:34,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 02:37:34,838 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 02:37:34,838 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 02:37:34,839 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 02:37:34,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:37:34" (1/1) ... [2022-07-20 02:37:34,967 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:37:34" (1/1) ... [2022-07-20 02:37:35,193 INFO L137 Inliner]: procedures = 411, calls = 4490, calls flagged for inlining = 219, calls inlined = 198, statements flattened = 8658 [2022-07-20 02:37:35,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 02:37:35,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 02:37:35,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 02:37:35,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 02:37:35,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:37:34" (1/1) ... [2022-07-20 02:37:35,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:37:34" (1/1) ... [2022-07-20 02:37:35,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:37:34" (1/1) ... [2022-07-20 02:37:35,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:37:34" (1/1) ... [2022-07-20 02:37:35,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:37:34" (1/1) ... [2022-07-20 02:37:35,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:37:34" (1/1) ... [2022-07-20 02:37:35,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:37:34" (1/1) ... [2022-07-20 02:37:35,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 02:37:35,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 02:37:35,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 02:37:35,580 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 02:37:35,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:37:34" (1/1) ... [2022-07-20 02:37:35,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:37:35,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 02:37:35,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 02:37:35,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 02:37:35,652 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2022-07-20 02:37:35,653 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2022-07-20 02:37:35,653 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-07-20 02:37:35,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-07-20 02:37:35,653 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2022-07-20 02:37:35,653 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2022-07-20 02:37:35,654 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2022-07-20 02:37:35,654 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2022-07-20 02:37:35,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 02:37:35,654 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 02:37:35,654 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2022-07-20 02:37:35,654 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2022-07-20 02:37:35,655 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2022-07-20 02:37:35,655 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2022-07-20 02:37:35,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 02:37:35,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 02:37:35,655 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2022-07-20 02:37:35,655 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2022-07-20 02:37:35,655 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2022-07-20 02:37:35,656 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2022-07-20 02:37:35,656 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2022-07-20 02:37:35,657 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2022-07-20 02:37:35,657 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2022-07-20 02:37:35,657 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2022-07-20 02:37:35,657 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2022-07-20 02:37:35,657 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2022-07-20 02:37:35,657 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2022-07-20 02:37:35,658 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2022-07-20 02:37:35,658 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2022-07-20 02:37:35,658 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2022-07-20 02:37:35,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 02:37:35,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 02:37:35,659 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-07-20 02:37:35,659 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-07-20 02:37:35,659 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 02:37:35,659 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 02:37:35,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 02:37:35,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 02:37:35,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 02:37:35,660 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2022-07-20 02:37:35,661 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2022-07-20 02:37:35,661 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2022-07-20 02:37:35,661 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2022-07-20 02:37:35,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-20 02:37:35,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 02:37:35,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 02:37:35,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-20 02:37:35,662 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2022-07-20 02:37:35,663 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2022-07-20 02:37:35,663 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-20 02:37:35,663 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-20 02:37:35,663 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 02:37:35,663 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 02:37:35,663 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2022-07-20 02:37:35,664 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2022-07-20 02:37:35,664 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2022-07-20 02:37:35,664 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2022-07-20 02:37:35,664 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2022-07-20 02:37:35,665 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2022-07-20 02:37:35,665 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2022-07-20 02:37:35,665 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2022-07-20 02:37:35,665 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2022-07-20 02:37:35,665 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2022-07-20 02:37:35,665 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2022-07-20 02:37:35,666 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2022-07-20 02:37:35,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 02:37:35,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 02:37:35,666 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2022-07-20 02:37:35,666 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2022-07-20 02:37:35,666 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2022-07-20 02:37:35,666 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2022-07-20 02:37:35,667 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2022-07-20 02:37:35,667 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2022-07-20 02:37:35,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 02:37:35,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 02:37:35,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 02:37:35,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 02:37:35,668 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2022-07-20 02:37:35,669 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2022-07-20 02:37:35,669 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2022-07-20 02:37:35,669 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2022-07-20 02:37:35,669 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2022-07-20 02:37:35,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2022-07-20 02:37:35,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 02:37:35,670 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2022-07-20 02:37:35,670 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2022-07-20 02:37:35,670 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2022-07-20 02:37:35,670 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2022-07-20 02:37:35,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 02:37:35,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 02:37:35,671 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2022-07-20 02:37:35,671 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2022-07-20 02:37:35,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-20 02:37:35,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-20 02:37:35,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 02:37:35,672 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2022-07-20 02:37:35,672 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2022-07-20 02:37:35,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 02:37:35,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 02:37:35,672 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2022-07-20 02:37:35,673 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2022-07-20 02:37:35,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 02:37:35,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-20 02:37:35,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-20 02:37:35,677 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2022-07-20 02:37:35,677 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2022-07-20 02:37:35,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-20 02:37:35,678 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2022-07-20 02:37:35,678 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2022-07-20 02:37:35,678 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2022-07-20 02:37:35,678 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2022-07-20 02:37:35,679 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2022-07-20 02:37:35,684 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2022-07-20 02:37:35,684 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-20 02:37:35,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-20 02:37:35,685 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2022-07-20 02:37:35,685 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2022-07-20 02:37:35,685 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-07-20 02:37:35,685 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-07-20 02:37:35,686 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 02:37:35,686 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 02:37:35,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-20 02:37:35,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 02:37:35,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 02:37:35,686 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-20 02:37:35,686 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-20 02:37:35,687 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-20 02:37:35,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-20 02:37:35,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 02:37:35,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 02:37:35,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 02:37:35,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 02:37:35,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 02:37:35,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 02:37:35,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 02:37:35,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 02:37:35,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-07-20 02:37:35,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-07-20 02:37:35,688 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-20 02:37:35,688 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-20 02:37:35,689 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2022-07-20 02:37:35,689 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2022-07-20 02:37:35,689 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-20 02:37:35,689 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-20 02:37:35,689 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2022-07-20 02:37:35,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2022-07-20 02:37:35,689 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-20 02:37:35,690 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-20 02:37:35,690 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2022-07-20 02:37:35,690 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2022-07-20 02:37:35,690 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2022-07-20 02:37:35,690 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2022-07-20 02:37:35,690 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2022-07-20 02:37:35,690 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2022-07-20 02:37:35,691 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-20 02:37:35,691 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-20 02:37:35,691 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2022-07-20 02:37:35,691 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2022-07-20 02:37:35,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 02:37:35,691 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 02:37:35,691 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-20 02:37:35,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-20 02:37:35,692 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-20 02:37:35,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-20 02:37:35,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 02:37:35,692 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 02:37:35,692 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 02:37:35,692 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2022-07-20 02:37:35,693 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2022-07-20 02:37:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 02:37:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2022-07-20 02:37:35,693 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2022-07-20 02:37:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2022-07-20 02:37:35,693 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2022-07-20 02:37:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2022-07-20 02:37:35,694 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2022-07-20 02:37:35,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-20 02:37:35,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 02:37:35,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 02:37:35,694 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-20 02:37:35,694 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-20 02:37:35,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 02:37:35,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 02:37:35,695 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2022-07-20 02:37:35,695 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2022-07-20 02:37:35,695 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-20 02:37:35,695 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-20 02:37:35,695 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2022-07-20 02:37:35,695 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2022-07-20 02:37:35,695 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-20 02:37:35,696 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-20 02:37:35,696 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 02:37:35,696 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 02:37:35,696 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2022-07-20 02:37:35,696 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2022-07-20 02:37:35,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 02:37:35,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 02:37:35,697 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-20 02:37:35,697 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-20 02:37:35,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2022-07-20 02:37:35,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2022-07-20 02:37:35,697 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-20 02:37:35,697 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-20 02:37:35,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-20 02:37:35,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-20 02:37:35,698 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2022-07-20 02:37:35,698 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2022-07-20 02:37:35,698 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-07-20 02:37:35,698 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-07-20 02:37:35,698 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 02:37:35,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 02:37:35,699 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2022-07-20 02:37:35,699 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2022-07-20 02:37:35,699 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 02:37:35,699 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 02:37:35,699 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2022-07-20 02:37:35,699 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2022-07-20 02:37:35,699 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2022-07-20 02:37:35,699 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2022-07-20 02:37:35,700 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2022-07-20 02:37:35,700 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2022-07-20 02:37:35,700 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2022-07-20 02:37:35,700 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2022-07-20 02:37:35,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 02:37:35,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-20 02:37:35,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 02:37:35,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-20 02:37:35,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 02:37:35,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 02:37:35,702 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2022-07-20 02:37:35,705 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2022-07-20 02:37:35,705 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-07-20 02:37:35,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-07-20 02:37:35,705 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-20 02:37:35,705 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-20 02:37:35,706 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2022-07-20 02:37:35,706 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2022-07-20 02:37:35,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 02:37:35,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 02:37:35,707 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-20 02:37:35,708 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-20 02:37:35,708 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2022-07-20 02:37:35,708 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2022-07-20 02:37:35,708 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2022-07-20 02:37:35,708 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2022-07-20 02:37:35,708 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2022-07-20 02:37:35,708 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2022-07-20 02:37:35,708 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2022-07-20 02:37:35,709 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2022-07-20 02:37:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2022-07-20 02:37:35,709 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2022-07-20 02:37:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-07-20 02:37:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-20 02:37:35,709 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-20 02:37:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2022-07-20 02:37:35,710 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2022-07-20 02:37:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 02:37:35,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 02:37:36,834 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 02:37:36,838 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 02:37:43,429 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 02:39:53,081 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 02:39:58,917 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 02:39:58,939 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 02:39:58,939 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-20 02:39:58,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:39:58 BoogieIcfgContainer [2022-07-20 02:39:58,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 02:39:58,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 02:39:58,947 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 02:39:58,950 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 02:39:58,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 02:37:30" (1/3) ... [2022-07-20 02:39:58,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2953cfd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:39:58, skipping insertion in model container [2022-07-20 02:39:58,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:37:34" (2/3) ... [2022-07-20 02:39:58,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2953cfd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:39:58, skipping insertion in model container [2022-07-20 02:39:58,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:39:58" (3/3) ... [2022-07-20 02:39:58,953 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rndis_wlan.cil.i [2022-07-20 02:39:58,967 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 02:39:58,967 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-20 02:39:59,060 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 02:39:59,068 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@467bb988, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7995ee6 [2022-07-20 02:39:59,068 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-20 02:39:59,083 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) [2022-07-20 02:39:59,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2022-07-20 02:39:59,120 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:39:59,122 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] [2022-07-20 02:39:59,122 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 02:39:59,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:39:59,127 INFO L85 PathProgramCache]: Analyzing trace with hash 478673280, now seen corresponding path program 1 times [2022-07-20 02:39:59,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:39:59,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1138938737] [2022-07-20 02:39:59,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:39:59,147 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:39:59,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:39:59,150 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 02:39:59,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 02:40:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:40:02,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 4032 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:40:02,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:40:04,072 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-20 02:40:04,073 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:40:04,073 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:40:04,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1138938737] [2022-07-20 02:40:04,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1138938737] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:40:04,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:40:04,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:40:04,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3694471] [2022-07-20 02:40:04,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:40:04,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:40:04,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:40:04,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:40:04,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:40:04,120 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) [2022-07-20 02:40:06,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:40:06,091 INFO L93 Difference]: Finished difference Result 7632 states and 10965 transitions. [2022-07-20 02:40:06,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:40:06,094 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 [2022-07-20 02:40:06,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:40:06,152 INFO L225 Difference]: With dead ends: 7632 [2022-07-20 02:40:06,153 INFO L226 Difference]: Without dead ends: 5062 [2022-07-20 02:40:06,177 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 [2022-07-20 02:40:06,180 INFO L413 NwaCegarLoop]: 4354 mSDtfsCounter, 3509 mSDsluCounter, 3671 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3509 SdHoareTripleChecker+Valid, 8025 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-20 02:40:06,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3509 Valid, 8025 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-20 02:40:06,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5062 states. [2022-07-20 02:40:06,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5062 to 5060. [2022-07-20 02:40:06,494 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) [2022-07-20 02:40:06,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5060 states to 5060 states and 7202 transitions. [2022-07-20 02:40:06,540 INFO L78 Accepts]: Start accepts. Automaton has 5060 states and 7202 transitions. Word has length 429 [2022-07-20 02:40:06,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:40:06,543 INFO L495 AbstractCegarLoop]: Abstraction has 5060 states and 7202 transitions. [2022-07-20 02:40:06,543 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) [2022-07-20 02:40:06,543 INFO L276 IsEmpty]: Start isEmpty. Operand 5060 states and 7202 transitions. [2022-07-20 02:40:06,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2022-07-20 02:40:06,566 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:40:06,568 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] [2022-07-20 02:40:06,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-20 02:40:06,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:40:06,792 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 02:40:06,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:40:06,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1769632464, now seen corresponding path program 1 times [2022-07-20 02:40:06,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:40:06,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1367674505] [2022-07-20 02:40:06,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:40:06,796 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:40:06,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:40:06,798 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 02:40:06,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 02:40:10,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:40:10,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 4214 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:40:10,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:40:11,681 INFO L134 CoverageAnalysis]: Checked inductivity of 5871 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5763 trivial. 0 not checked. [2022-07-20 02:40:11,682 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:40:11,682 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:40:11,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1367674505] [2022-07-20 02:40:11,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1367674505] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:40:11,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:40:11,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:40:11,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537972064] [2022-07-20 02:40:11,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:40:11,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:40:11,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:40:11,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:40:11,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:40:11,686 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) [2022-07-20 02:40:13,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:40:13,395 INFO L93 Difference]: Finished difference Result 14788 states and 21053 transitions. [2022-07-20 02:40:13,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:40:13,396 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 [2022-07-20 02:40:13,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:40:13,480 INFO L225 Difference]: With dead ends: 14788 [2022-07-20 02:40:13,480 INFO L226 Difference]: Without dead ends: 9805 [2022-07-20 02:40:13,514 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 [2022-07-20 02:40:13,517 INFO L413 NwaCegarLoop]: 4323 mSDtfsCounter, 3409 mSDsluCounter, 3680 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.4s IncrementalHoareTripleChecker+Time [2022-07-20 02:40:13,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3409 Valid, 8003 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-20 02:40:13,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9805 states. [2022-07-20 02:40:14,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9805 to 9794. [2022-07-20 02:40:14,041 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) [2022-07-20 02:40:14,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9794 states to 9794 states and 13932 transitions. [2022-07-20 02:40:14,103 INFO L78 Accepts]: Start accepts. Automaton has 9794 states and 13932 transitions. Word has length 495 [2022-07-20 02:40:14,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:40:14,105 INFO L495 AbstractCegarLoop]: Abstraction has 9794 states and 13932 transitions. [2022-07-20 02:40:14,106 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) [2022-07-20 02:40:14,107 INFO L276 IsEmpty]: Start isEmpty. Operand 9794 states and 13932 transitions. [2022-07-20 02:40:14,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2022-07-20 02:40:14,137 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:40:14,138 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] [2022-07-20 02:40:14,282 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-20 02:40:14,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:40:14,364 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 02:40:14,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:40:14,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1726832612, now seen corresponding path program 1 times [2022-07-20 02:40:14,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:40:14,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [290318220] [2022-07-20 02:40:14,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:40:14,370 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:40:14,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:40:14,372 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 02:40:14,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 02:40:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:40:18,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 4164 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:40:18,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:40:19,048 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 6015 trivial. 0 not checked. [2022-07-20 02:40:19,049 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:40:19,049 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:40:19,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [290318220] [2022-07-20 02:40:19,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [290318220] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:40:19,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:40:19,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:40:19,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443114976] [2022-07-20 02:40:19,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:40:19,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:40:19,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:40:19,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:40:19,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:40:19,051 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) [2022-07-20 02:40:21,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:40:21,049 INFO L93 Difference]: Finished difference Result 19535 states and 27792 transitions. [2022-07-20 02:40:21,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:40:21,050 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 [2022-07-20 02:40:21,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:40:21,185 INFO L225 Difference]: With dead ends: 19535 [2022-07-20 02:40:21,186 INFO L226 Difference]: Without dead ends: 14566 [2022-07-20 02:40:21,226 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 [2022-07-20 02:40:21,230 INFO L413 NwaCegarLoop]: 7189 mSDtfsCounter, 3468 mSDsluCounter, 3676 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-07-20 02:40:21,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3468 Valid, 10865 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-20 02:40:21,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14566 states. [2022-07-20 02:40:21,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14566 to 14564. [2022-07-20 02:40:21,923 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) [2022-07-20 02:40:22,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14564 states to 14564 states and 20716 transitions. [2022-07-20 02:40:22,018 INFO L78 Accepts]: Start accepts. Automaton has 14564 states and 20716 transitions. Word has length 492 [2022-07-20 02:40:22,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:40:22,020 INFO L495 AbstractCegarLoop]: Abstraction has 14564 states and 20716 transitions. [2022-07-20 02:40:22,020 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) [2022-07-20 02:40:22,020 INFO L276 IsEmpty]: Start isEmpty. Operand 14564 states and 20716 transitions. [2022-07-20 02:40:22,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2022-07-20 02:40:22,056 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:40:22,056 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] [2022-07-20 02:40:22,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-20 02:40:22,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:40:22,392 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 02:40:22,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:40:22,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1704200358, now seen corresponding path program 1 times [2022-07-20 02:40:22,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:40:22,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1668898375] [2022-07-20 02:40:22,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:40:22,398 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:40:22,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:40:22,403 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 02:40:22,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-20 02:40:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:40:26,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 4164 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 02:40:26,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:40:47,128 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2022-07-20 02:40:47,129 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:40:47,129 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:40:47,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1668898375] [2022-07-20 02:40:47,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1668898375] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:40:47,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:40:47,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:40:47,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473511719] [2022-07-20 02:40:47,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:40:47,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:40:47,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:40:47,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:40:47,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:40:47,132 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) [2022-07-20 02:40:47,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:40:47,990 INFO L93 Difference]: Finished difference Result 14564 states and 20716 transitions. [2022-07-20 02:40:47,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 02:40:47,991 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 [2022-07-20 02:40:47,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:40:48,166 INFO L225 Difference]: With dead ends: 14564 [2022-07-20 02:40:48,167 INFO L226 Difference]: Without dead ends: 14525 [2022-07-20 02:40:48,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 489 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:40:48,187 INFO L413 NwaCegarLoop]: 3717 mSDtfsCounter, 3543 mSDsluCounter, 3717 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 02:40:48,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3543 Valid, 7434 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 02:40:48,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14525 states. [2022-07-20 02:40:49,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14525 to 14525. [2022-07-20 02:40:49,118 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) [2022-07-20 02:40:49,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14525 states to 14525 states and 20662 transitions. [2022-07-20 02:40:49,192 INFO L78 Accepts]: Start accepts. Automaton has 14525 states and 20662 transitions. Word has length 492 [2022-07-20 02:40:49,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:40:49,194 INFO L495 AbstractCegarLoop]: Abstraction has 14525 states and 20662 transitions. [2022-07-20 02:40:49,195 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) [2022-07-20 02:40:49,195 INFO L276 IsEmpty]: Start isEmpty. Operand 14525 states and 20662 transitions. [2022-07-20 02:40:49,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2022-07-20 02:40:49,229 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:40:49,229 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] [2022-07-20 02:40:49,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-20 02:40:49,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:40:49,452 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 02:40:49,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:40:49,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1999974807, now seen corresponding path program 1 times [2022-07-20 02:40:49,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:40:49,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1211166391] [2022-07-20 02:40:49,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:40:49,458 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:40:49,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:40:49,459 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 02:40:49,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-20 02:40:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:40:53,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 4255 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:40:53,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:40:53,926 INFO L134 CoverageAnalysis]: Checked inductivity of 6017 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 5787 trivial. 0 not checked. [2022-07-20 02:40:53,927 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:40:53,927 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:40:53,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1211166391] [2022-07-20 02:40:53,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1211166391] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:40:53,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:40:53,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:40:53,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133128565] [2022-07-20 02:40:53,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:40:53,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:40:53,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:40:53,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:40:53,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:40:53,931 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) [2022-07-20 02:40:55,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:40:55,076 INFO L93 Difference]: Finished difference Result 36213 states and 51487 transitions. [2022-07-20 02:40:55,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:40:55,077 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 [2022-07-20 02:40:55,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:40:55,296 INFO L225 Difference]: With dead ends: 36213 [2022-07-20 02:40:55,296 INFO L226 Difference]: Without dead ends: 21765 [2022-07-20 02:40:55,369 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 [2022-07-20 02:40:55,370 INFO L413 NwaCegarLoop]: 4522 mSDtfsCounter, 3545 mSDsluCounter, 3680 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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 [2022-07-20 02:40:55,371 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] [2022-07-20 02:40:55,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21765 states. [2022-07-20 02:40:56,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21765 to 21761. [2022-07-20 02:40:56,292 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) [2022-07-20 02:40:56,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21761 states to 21761 states and 30920 transitions. [2022-07-20 02:40:56,402 INFO L78 Accepts]: Start accepts. Automaton has 21761 states and 30920 transitions. Word has length 522 [2022-07-20 02:40:56,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:40:56,403 INFO L495 AbstractCegarLoop]: Abstraction has 21761 states and 30920 transitions. [2022-07-20 02:40:56,403 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) [2022-07-20 02:40:56,403 INFO L276 IsEmpty]: Start isEmpty. Operand 21761 states and 30920 transitions. [2022-07-20 02:40:56,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 594 [2022-07-20 02:40:56,502 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:40:56,503 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] [2022-07-20 02:40:56,641 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-20 02:40:56,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:40:56,724 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 02:40:56,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:40:56,724 INFO L85 PathProgramCache]: Analyzing trace with hash -909716579, now seen corresponding path program 1 times [2022-07-20 02:40:56,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:40:56,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1356010667] [2022-07-20 02:40:56,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:40:56,729 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:40:56,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:40:56,732 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 02:40:56,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-20 02:41:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:41:01,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 4404 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 02:41:01,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:41:23,884 INFO L134 CoverageAnalysis]: Checked inductivity of 6510 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6510 trivial. 0 not checked. [2022-07-20 02:41:23,885 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:41:23,885 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:41:23,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1356010667] [2022-07-20 02:41:23,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1356010667] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:41:23,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:41:23,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:41:23,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804132256] [2022-07-20 02:41:23,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:41:23,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:41:23,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:41:23,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:41:23,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:41:23,888 INFO L87 Difference]: Start difference. First operand 21761 states and 30920 transitions. Second operand has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52)