./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ed68d02e3340e974ceb85a32805324d7a9365cc739c1b33e4c9dbafc7a73800a --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 16:12:04,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:12:04,444 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:12:04,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:12:04,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:12:04,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:12:04,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:12:04,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:12:04,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:12:04,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:12:04,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:12:04,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:12:04,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:12:04,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:12:04,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:12:04,502 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:12:04,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:12:04,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:12:04,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:12:04,506 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:12:04,508 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:12:04,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:12:04,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:12:04,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:12:04,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:12:04,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:12:04,517 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:12:04,517 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:12:04,518 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:12:04,518 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:12:04,519 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:12:04,520 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:12:04,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:12:04,521 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:12:04,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:12:04,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:12:04,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:12:04,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:12:04,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:12:04,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:12:04,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:12:04,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:12:04,526 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 16:12:04,549 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:12:04,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:12:04,550 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:12:04,550 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:12:04,551 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:12:04,551 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:12:04,551 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:12:04,551 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:12:04,552 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:12:04,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:12:04,552 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 16:12:04,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:12:04,553 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:12:04,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:12:04,553 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:12:04,553 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:12:04,553 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:12:04,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:12:04,554 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:12:04,554 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:12:04,555 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:12:04,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:12:04,555 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:12:04,555 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:12:04,555 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:12:04,555 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 16:12:04,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 16:12:04,556 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:12:04,556 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:12:04,556 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:12:04,556 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed68d02e3340e974ceb85a32805324d7a9365cc739c1b33e4c9dbafc7a73800a [2022-07-12 16:12:04,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:12:04,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:12:04,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:12:04,786 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:12:04,787 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:12:04,787 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2022-07-12 16:12:04,850 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/285d1988c/82818ab05ff344abbc31ac12e3ff91cc/FLAGa4fc8ac2c [2022-07-12 16:12:05,511 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:12:05,511 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2022-07-12 16:12:05,555 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/285d1988c/82818ab05ff344abbc31ac12e3ff91cc/FLAGa4fc8ac2c [2022-07-12 16:12:05,622 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/285d1988c/82818ab05ff344abbc31ac12e3ff91cc [2022-07-12 16:12:05,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:12:05,625 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:12:05,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:12:05,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:12:05,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:12:05,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:12:05" (1/1) ... [2022-07-12 16:12:05,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fe5c463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:05, skipping insertion in model container [2022-07-12 16:12:05,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:12:05" (1/1) ... [2022-07-12 16:12:05,636 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:12:05,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:12:07,915 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i[491185,491198] [2022-07-12 16:12:07,917 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i[491330,491343] [2022-07-12 16:12:07,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:12:07,974 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:12:08,117 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) [2022-07-12 16:12:08,122 INFO L158 Benchmark]: Toolchain (without parser) took 2495.67ms. Allocated memory was 113.2MB in the beginning and 199.2MB in the end (delta: 86.0MB). Free memory was 78.1MB in the beginning and 114.4MB in the end (delta: -36.3MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. [2022-07-12 16:12:08,123 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 92.3MB. Free memory is still 70.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 16:12:08,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2492.80ms. Allocated memory was 113.2MB in the beginning and 199.2MB in the end (delta: 86.0MB). Free memory was 77.6MB in the beginning and 114.4MB in the end (delta: -36.8MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. [2022-07-12 16:12:08,128 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 92.3MB. Free memory is still 70.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2492.80ms. Allocated memory was 113.2MB in the beginning and 199.2MB in the end (delta: 86.0MB). Free memory was 77.6MB in the beginning and 114.4MB in the end (delta: -36.8MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ed68d02e3340e974ceb85a32805324d7a9365cc739c1b33e4c9dbafc7a73800a --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 16:12:09,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:12:09,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:12:09,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:12:09,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:12:09,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:12:09,634 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:12:09,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:12:09,636 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:12:09,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:12:09,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:12:09,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:12:09,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:12:09,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:12:09,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:12:09,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:12:09,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:12:09,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:12:09,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:12:09,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:12:09,644 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:12:09,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:12:09,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:12:09,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:12:09,646 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:12:09,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:12:09,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:12:09,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:12:09,659 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:12:09,659 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:12:09,660 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:12:09,660 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:12:09,661 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:12:09,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:12:09,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:12:09,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:12:09,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:12:09,663 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:12:09,663 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:12:09,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:12:09,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:12:09,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:12:09,665 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 16:12:09,680 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:12:09,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:12:09,680 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:12:09,680 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:12:09,681 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:12:09,681 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:12:09,681 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:12:09,682 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:12:09,682 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:12:09,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:12:09,682 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:12:09,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:12:09,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:12:09,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:12:09,683 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 16:12:09,683 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 16:12:09,683 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 16:12:09,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:12:09,683 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:12:09,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:12:09,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:12:09,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:12:09,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:12:09,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:12:09,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:12:09,684 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:12:09,684 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:12:09,684 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 16:12:09,685 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 16:12:09,685 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:12:09,685 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:12:09,685 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:12:09,685 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 16:12:09,685 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed68d02e3340e974ceb85a32805324d7a9365cc739c1b33e4c9dbafc7a73800a [2022-07-12 16:12:09,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:12:09,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:12:09,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:12:09,991 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:12:09,997 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:12:09,999 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2022-07-12 16:12:10,048 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3a85f8a7/8695204c652b4e85bea80829d8f33ea0/FLAG39cd48ef7 [2022-07-12 16:12:10,766 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:12:10,767 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2022-07-12 16:12:10,814 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3a85f8a7/8695204c652b4e85bea80829d8f33ea0/FLAG39cd48ef7 [2022-07-12 16:12:11,070 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3a85f8a7/8695204c652b4e85bea80829d8f33ea0 [2022-07-12 16:12:11,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:12:11,075 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:12:11,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:12:11,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:12:11,081 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:12:11,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:12:11" (1/1) ... [2022-07-12 16:12:11,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48a726f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:11, skipping insertion in model container [2022-07-12 16:12:11,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:12:11" (1/1) ... [2022-07-12 16:12:11,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:12:11,208 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:12:13,557 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i[491185,491198] [2022-07-12 16:12:13,559 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i[491330,491343] [2022-07-12 16:12:13,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:12:13,624 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 16:12:13,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:12:14,016 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i[491185,491198] [2022-07-12 16:12:14,017 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i[491330,491343] [2022-07-12 16:12:14,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:12:14,103 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:12:14,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i[491185,491198] [2022-07-12 16:12:14,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i[491330,491343] [2022-07-12 16:12:14,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:12:14,593 INFO L208 MainTranslator]: Completed translation [2022-07-12 16:12:14,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:14 WrapperNode [2022-07-12 16:12:14,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 16:12:14,595 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 16:12:14,595 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 16:12:14,595 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 16:12:14,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:14" (1/1) ... [2022-07-12 16:12:14,712 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:14" (1/1) ... [2022-07-12 16:12:14,940 INFO L137 Inliner]: procedures = 488, calls = 4713, calls flagged for inlining = 228, calls inlined = 198, statements flattened = 8753 [2022-07-12 16:12:14,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 16:12:14,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 16:12:14,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 16:12:14,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 16:12:14,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:14" (1/1) ... [2022-07-12 16:12:14,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:14" (1/1) ... [2022-07-12 16:12:14,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:14" (1/1) ... [2022-07-12 16:12:14,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:14" (1/1) ... [2022-07-12 16:12:15,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:14" (1/1) ... [2022-07-12 16:12:15,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:14" (1/1) ... [2022-07-12 16:12:15,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:14" (1/1) ... [2022-07-12 16:12:15,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 16:12:15,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 16:12:15,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 16:12:15,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 16:12:15,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:14" (1/1) ... [2022-07-12 16:12:15,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:12:15,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 16:12:15,191 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 16:12:15,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 16:12:15,221 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2022-07-12 16:12:15,221 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2022-07-12 16:12:15,221 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-07-12 16:12:15,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-07-12 16:12:15,222 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2022-07-12 16:12:15,222 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2022-07-12 16:12:15,222 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2022-07-12 16:12:15,222 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2022-07-12 16:12:15,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 16:12:15,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 16:12:15,222 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2022-07-12 16:12:15,222 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2022-07-12 16:12:15,222 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2022-07-12 16:12:15,223 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2022-07-12 16:12:15,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 16:12:15,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 16:12:15,223 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2022-07-12 16:12:15,223 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2022-07-12 16:12:15,224 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2022-07-12 16:12:15,224 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2022-07-12 16:12:15,224 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2022-07-12 16:12:15,224 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2022-07-12 16:12:15,224 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2022-07-12 16:12:15,224 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2022-07-12 16:12:15,224 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2022-07-12 16:12:15,224 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2022-07-12 16:12:15,225 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2022-07-12 16:12:15,225 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2022-07-12 16:12:15,225 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2022-07-12 16:12:15,225 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2022-07-12 16:12:15,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 16:12:15,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 16:12:15,225 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-07-12 16:12:15,225 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-07-12 16:12:15,226 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 16:12:15,226 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 16:12:15,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 16:12:15,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 16:12:15,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 16:12:15,226 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2022-07-12 16:12:15,227 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2022-07-12 16:12:15,227 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2022-07-12 16:12:15,227 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2022-07-12 16:12:15,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-12 16:12:15,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 16:12:15,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 16:12:15,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 16:12:15,228 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2022-07-12 16:12:15,228 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2022-07-12 16:12:15,229 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-12 16:12:15,229 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-12 16:12:15,229 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 16:12:15,230 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 16:12:15,230 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2022-07-12 16:12:15,230 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2022-07-12 16:12:15,230 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2022-07-12 16:12:15,230 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2022-07-12 16:12:15,230 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2022-07-12 16:12:15,230 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2022-07-12 16:12:15,231 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2022-07-12 16:12:15,231 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2022-07-12 16:12:15,231 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2022-07-12 16:12:15,231 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2022-07-12 16:12:15,231 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2022-07-12 16:12:15,231 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2022-07-12 16:12:15,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 16:12:15,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 16:12:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2022-07-12 16:12:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2022-07-12 16:12:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2022-07-12 16:12:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2022-07-12 16:12:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-12 16:12:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-12 16:12:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2022-07-12 16:12:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2022-07-12 16:12:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 16:12:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 16:12:15,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 16:12:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 16:12:15,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-12 16:12:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-12 16:12:15,233 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2022-07-12 16:12:15,234 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2022-07-12 16:12:15,234 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2022-07-12 16:12:15,234 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2022-07-12 16:12:15,234 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2022-07-12 16:12:15,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2022-07-12 16:12:15,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 16:12:15,235 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2022-07-12 16:12:15,235 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2022-07-12 16:12:15,235 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2022-07-12 16:12:15,235 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2022-07-12 16:12:15,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-12 16:12:15,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-12 16:12:15,235 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2022-07-12 16:12:15,236 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2022-07-12 16:12:15,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-12 16:12:15,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-12 16:12:15,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 16:12:15,236 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2022-07-12 16:12:15,236 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2022-07-12 16:12:15,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 16:12:15,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 16:12:15,237 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2022-07-12 16:12:15,237 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2022-07-12 16:12:15,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 16:12:15,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 16:12:15,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 16:12:15,238 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2022-07-12 16:12:15,239 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2022-07-12 16:12:15,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 16:12:15,240 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2022-07-12 16:12:15,240 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2022-07-12 16:12:15,241 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2022-07-12 16:12:15,241 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2022-07-12 16:12:15,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-12 16:12:15,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-12 16:12:15,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-12 16:12:15,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-12 16:12:15,245 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2022-07-12 16:12:15,245 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2022-07-12 16:12:15,245 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-12 16:12:15,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-12 16:12:15,246 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2022-07-12 16:12:15,246 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2022-07-12 16:12:15,246 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-07-12 16:12:15,246 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-07-12 16:12:15,246 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 16:12:15,246 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 16:12:15,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 16:12:15,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 16:12:15,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 16:12:15,247 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 16:12:15,247 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 16:12:15,247 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-12 16:12:15,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-12 16:12:15,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 16:12:15,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 16:12:15,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 16:12:15,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 16:12:15,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 16:12:15,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 16:12:15,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 16:12:15,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 16:12:15,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-07-12 16:12:15,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-07-12 16:12:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-12 16:12:15,249 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-12 16:12:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2022-07-12 16:12:15,249 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2022-07-12 16:12:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 16:12:15,249 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 16:12:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2022-07-12 16:12:15,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2022-07-12 16:12:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-12 16:12:15,250 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-12 16:12:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2022-07-12 16:12:15,250 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2022-07-12 16:12:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2022-07-12 16:12:15,250 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2022-07-12 16:12:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2022-07-12 16:12:15,250 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2022-07-12 16:12:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 16:12:15,250 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 16:12:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2022-07-12 16:12:15,250 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2022-07-12 16:12:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 16:12:15,251 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 16:12:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-12 16:12:15,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-12 16:12:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 16:12:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 16:12:15,251 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 16:12:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2022-07-12 16:12:15,251 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2022-07-12 16:12:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 16:12:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2022-07-12 16:12:15,252 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2022-07-12 16:12:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2022-07-12 16:12:15,252 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2022-07-12 16:12:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2022-07-12 16:12:15,253 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2022-07-12 16:12:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 16:12:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 16:12:15,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 16:12:15,254 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-12 16:12:15,254 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-12 16:12:15,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 16:12:15,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 16:12:15,254 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2022-07-12 16:12:15,254 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2022-07-12 16:12:15,254 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-12 16:12:15,254 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-12 16:12:15,254 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2022-07-12 16:12:15,255 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2022-07-12 16:12:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-12 16:12:15,255 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-12 16:12:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 16:12:15,255 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 16:12:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2022-07-12 16:12:15,255 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2022-07-12 16:12:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 16:12:15,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 16:12:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-12 16:12:15,256 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-12 16:12:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2022-07-12 16:12:15,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2022-07-12 16:12:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-12 16:12:15,256 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-12 16:12:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 16:12:15,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 16:12:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2022-07-12 16:12:15,256 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2022-07-12 16:12:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-07-12 16:12:15,256 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-07-12 16:12:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 16:12:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 16:12:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2022-07-12 16:12:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2022-07-12 16:12:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 16:12:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 16:12:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2022-07-12 16:12:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2022-07-12 16:12:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2022-07-12 16:12:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2022-07-12 16:12:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2022-07-12 16:12:15,258 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2022-07-12 16:12:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2022-07-12 16:12:15,258 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2022-07-12 16:12:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 16:12:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 16:12:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 16:12:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 16:12:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 16:12:15,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 16:12:15,259 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2022-07-12 16:12:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2022-07-12 16:12:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-07-12 16:12:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-07-12 16:12:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-12 16:12:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-12 16:12:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2022-07-12 16:12:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2022-07-12 16:12:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 16:12:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 16:12:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-12 16:12:15,263 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-12 16:12:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2022-07-12 16:12:15,263 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2022-07-12 16:12:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2022-07-12 16:12:15,264 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2022-07-12 16:12:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2022-07-12 16:12:15,264 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2022-07-12 16:12:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2022-07-12 16:12:15,264 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2022-07-12 16:12:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2022-07-12 16:12:15,264 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2022-07-12 16:12:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-07-12 16:12:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-12 16:12:15,265 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-12 16:12:15,265 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2022-07-12 16:12:15,265 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2022-07-12 16:12:15,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 16:12:15,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 16:12:16,145 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 16:12:16,147 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 16:12:22,714 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 16:14:29,686 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 16:14:35,442 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 16:14:35,464 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 16:14:35,465 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-12 16:14:35,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:14:35 BoogieIcfgContainer [2022-07-12 16:14:35,468 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 16:14:35,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 16:14:35,470 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 16:14:35,472 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 16:14:35,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 04:12:11" (1/3) ... [2022-07-12 16:14:35,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4de2b5ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:14:35, skipping insertion in model container [2022-07-12 16:14:35,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:14" (2/3) ... [2022-07-12 16:14:35,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4de2b5ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:14:35, skipping insertion in model container [2022-07-12 16:14:35,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:14:35" (3/3) ... [2022-07-12 16:14:35,474 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2022-07-12 16:14:35,485 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 16:14:35,485 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 16:14:35,620 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 16:14:35,627 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@4741e98b, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2528a4db [2022-07-12 16:14:35,627 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 16:14:35,637 INFO L276 IsEmpty]: Start isEmpty. Operand has 2675 states, 1864 states have (on average 1.309549356223176) internal successors, (2441), 1866 states have internal predecessors, (2441), 695 states have call successors, (695), 116 states have call predecessors, (695), 115 states have return successors, (687), 687 states have call predecessors, (687), 687 states have call successors, (687) [2022-07-12 16:14:35,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2022-07-12 16:14:35,676 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:14:35,677 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:14:35,678 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:14:35,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:14:35,682 INFO L85 PathProgramCache]: Analyzing trace with hash -894127153, now seen corresponding path program 1 times [2022-07-12 16:14:35,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:14:35,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [214118105] [2022-07-12 16:14:35,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:14:35,696 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:14:35,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:14:35,698 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:14:35,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 16:14:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:39,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 4413 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:14:39,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:14:39,898 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-12 16:14:39,898 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:14:39,899 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:14:39,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [214118105] [2022-07-12 16:14:39,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [214118105] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:14:39,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:14:39,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:14:39,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804084203] [2022-07-12 16:14:39,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:14:39,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:14:39,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:14:39,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:14:39,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:14:39,928 INFO L87 Difference]: Start difference. First operand has 2675 states, 1864 states have (on average 1.309549356223176) internal successors, (2441), 1866 states have internal predecessors, (2441), 695 states have call successors, (695), 116 states have call predecessors, (695), 115 states have return successors, (687), 687 states have call predecessors, (687), 687 states have call successors, (687) Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-12 16:14:42,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:14:42,190 INFO L93 Difference]: Finished difference Result 7772 states and 11415 transitions. [2022-07-12 16:14:42,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:14:42,192 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 457 [2022-07-12 16:14:42,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:14:42,236 INFO L225 Difference]: With dead ends: 7772 [2022-07-12 16:14:42,236 INFO L226 Difference]: Without dead ends: 5097 [2022-07-12 16:14:42,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 456 GetRequests, 455 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:14:42,264 INFO L413 NwaCegarLoop]: 4448 mSDtfsCounter, 3565 mSDsluCounter, 3755 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3565 SdHoareTripleChecker+Valid, 8203 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-12 16:14:42,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3565 Valid, 8203 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-12 16:14:42,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5097 states. [2022-07-12 16:14:42,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5097 to 5091. [2022-07-12 16:14:42,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5091 states, 3592 states have (on average 1.30902004454343) internal successors, (4702), 3596 states have internal predecessors, (4702), 1272 states have call successors, (1272), 226 states have call predecessors, (1272), 226 states have return successors, (1272), 1270 states have call predecessors, (1272), 1272 states have call successors, (1272) [2022-07-12 16:14:42,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5091 states to 5091 states and 7246 transitions. [2022-07-12 16:14:42,674 INFO L78 Accepts]: Start accepts. Automaton has 5091 states and 7246 transitions. Word has length 457 [2022-07-12 16:14:42,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:14:42,676 INFO L495 AbstractCegarLoop]: Abstraction has 5091 states and 7246 transitions. [2022-07-12 16:14:42,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-12 16:14:42,677 INFO L276 IsEmpty]: Start isEmpty. Operand 5091 states and 7246 transitions. [2022-07-12 16:14:42,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2022-07-12 16:14:42,690 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:14:42,690 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:14:42,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 16:14:42,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:14:42,912 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:14:42,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:14:42,914 INFO L85 PathProgramCache]: Analyzing trace with hash 518699637, now seen corresponding path program 1 times [2022-07-12 16:14:42,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:14:42,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1227651303] [2022-07-12 16:14:42,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:14:42,918 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:14:42,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:14:42,928 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:14:42,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 16:14:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:46,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 4414 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:14:46,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:14:47,169 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-12 16:14:47,169 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:14:47,169 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:14:47,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1227651303] [2022-07-12 16:14:47,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1227651303] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:14:47,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:14:47,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:14:47,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742962096] [2022-07-12 16:14:47,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:14:47,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:14:47,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:14:47,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:14:47,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:14:47,172 INFO L87 Difference]: Start difference. First operand 5091 states and 7246 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-12 16:14:49,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:14:49,259 INFO L93 Difference]: Finished difference Result 14971 states and 21292 transitions. [2022-07-12 16:14:49,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:14:49,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 458 [2022-07-12 16:14:49,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:14:49,309 INFO L225 Difference]: With dead ends: 14971 [2022-07-12 16:14:49,310 INFO L226 Difference]: Without dead ends: 9957 [2022-07-12 16:14:49,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 456 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:14:49,335 INFO L413 NwaCegarLoop]: 4429 mSDtfsCounter, 3496 mSDsluCounter, 3687 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3496 SdHoareTripleChecker+Valid, 8116 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-12 16:14:49,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3496 Valid, 8116 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-12 16:14:49,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9957 states. [2022-07-12 16:14:49,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9957 to 9949. [2022-07-12 16:14:49,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9949 states, 7040 states have (on average 1.3096590909090908) internal successors, (9220), 7050 states have internal predecessors, (9220), 2456 states have call successors, (2456), 452 states have call predecessors, (2456), 452 states have return successors, (2456), 2450 states have call predecessors, (2456), 2456 states have call successors, (2456) [2022-07-12 16:14:49,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9949 states to 9949 states and 14132 transitions. [2022-07-12 16:14:49,742 INFO L78 Accepts]: Start accepts. Automaton has 9949 states and 14132 transitions. Word has length 458 [2022-07-12 16:14:49,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:14:49,743 INFO L495 AbstractCegarLoop]: Abstraction has 9949 states and 14132 transitions. [2022-07-12 16:14:49,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-12 16:14:49,744 INFO L276 IsEmpty]: Start isEmpty. Operand 9949 states and 14132 transitions. [2022-07-12 16:14:49,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2022-07-12 16:14:49,752 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:14:49,753 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:14:49,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 16:14:49,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:14:49,960 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:14:49,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:14:49,960 INFO L85 PathProgramCache]: Analyzing trace with hash 280828728, now seen corresponding path program 1 times [2022-07-12 16:14:49,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:14:49,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [123855398] [2022-07-12 16:14:49,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:14:49,964 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:14:49,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:14:49,966 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:14:49,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 16:14:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:53,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 4412 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:14:53,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:14:54,330 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-12 16:14:54,331 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:14:54,331 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:14:54,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [123855398] [2022-07-12 16:14:54,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [123855398] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:14:54,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:14:54,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:14:54,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631585499] [2022-07-12 16:14:54,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:14:54,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:14:54,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:14:54,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:14:54,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:14:54,332 INFO L87 Difference]: Start difference. First operand 9949 states and 14132 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-12 16:14:56,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:14:56,590 INFO L93 Difference]: Finished difference Result 29154 states and 41403 transitions. [2022-07-12 16:14:56,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:14:56,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 456 [2022-07-12 16:14:56,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:14:56,707 INFO L225 Difference]: With dead ends: 29154 [2022-07-12 16:14:56,708 INFO L226 Difference]: Without dead ends: 19282 [2022-07-12 16:14:56,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 455 GetRequests, 454 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:14:56,745 INFO L413 NwaCegarLoop]: 4647 mSDtfsCounter, 3496 mSDsluCounter, 3685 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3496 SdHoareTripleChecker+Valid, 8332 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-12 16:14:56,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3496 Valid, 8332 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-12 16:14:56,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19282 states. [2022-07-12 16:14:57,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19282 to 19278. [2022-07-12 16:14:57,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19278 states, 13669 states have (on average 1.3097519935620747) internal successors, (17903), 13691 states have internal predecessors, (17903), 4719 states have call successors, (4719), 889 states have call predecessors, (4719), 889 states have return successors, (4719), 4705 states have call predecessors, (4719), 4719 states have call successors, (4719) [2022-07-12 16:14:57,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19278 states to 19278 states and 27341 transitions. [2022-07-12 16:14:57,409 INFO L78 Accepts]: Start accepts. Automaton has 19278 states and 27341 transitions. Word has length 456 [2022-07-12 16:14:57,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:14:57,410 INFO L495 AbstractCegarLoop]: Abstraction has 19278 states and 27341 transitions. [2022-07-12 16:14:57,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-12 16:14:57,410 INFO L276 IsEmpty]: Start isEmpty. Operand 19278 states and 27341 transitions. [2022-07-12 16:14:57,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2022-07-12 16:14:57,419 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:14:57,420 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:14:57,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 16:14:57,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:14:57,648 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:14:57,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:14:57,648 INFO L85 PathProgramCache]: Analyzing trace with hash 899187853, now seen corresponding path program 1 times [2022-07-12 16:14:57,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:14:57,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [447017488] [2022-07-12 16:14:57,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:14:57,652 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:14:57,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:14:57,665 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:14:57,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 16:15:00,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:01,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 4392 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:15:01,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:15:02,154 INFO L134 CoverageAnalysis]: Checked inductivity of 5781 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5673 trivial. 0 not checked. [2022-07-12 16:15:02,155 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:15:02,155 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:15:02,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [447017488] [2022-07-12 16:15:02,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [447017488] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:15:02,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:15:02,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:15:02,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335678786] [2022-07-12 16:15:02,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:15:02,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:15:02,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:15:02,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:15:02,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:15:02,156 INFO L87 Difference]: Start difference. First operand 19278 states and 27341 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-12 16:15:05,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:15:05,381 INFO L93 Difference]: Finished difference Result 49077 states and 69156 transitions. [2022-07-12 16:15:05,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:15:05,382 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 462 [2022-07-12 16:15:05,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:15:05,516 INFO L225 Difference]: With dead ends: 49077 [2022-07-12 16:15:05,517 INFO L226 Difference]: Without dead ends: 29876 [2022-07-12 16:15:05,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 460 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:15:05,587 INFO L413 NwaCegarLoop]: 4345 mSDtfsCounter, 2041 mSDsluCounter, 3652 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2041 SdHoareTripleChecker+Valid, 7997 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-12 16:15:05,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2041 Valid, 7997 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-12 16:15:05,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29876 states. [2022-07-12 16:15:06,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29876 to 29858. [2022-07-12 16:15:06,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29858 states, 21304 states have (on average 1.3041212917761922) internal successors, (27783), 21356 states have internal predecessors, (27783), 7028 states have call successors, (7028), 1525 states have call predecessors, (7028), 1525 states have return successors, (7028), 6984 states have call predecessors, (7028), 7028 states have call successors, (7028) [2022-07-12 16:15:06,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29858 states to 29858 states and 41839 transitions. [2022-07-12 16:15:06,494 INFO L78 Accepts]: Start accepts. Automaton has 29858 states and 41839 transitions. Word has length 462 [2022-07-12 16:15:06,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:15:06,495 INFO L495 AbstractCegarLoop]: Abstraction has 29858 states and 41839 transitions. [2022-07-12 16:15:06,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-12 16:15:06,495 INFO L276 IsEmpty]: Start isEmpty. Operand 29858 states and 41839 transitions. [2022-07-12 16:15:06,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2022-07-12 16:15:06,505 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:15:06,506 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:15:06,589 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-12 16:15:06,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:15:06,720 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:15:06,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:15:06,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1881844334, now seen corresponding path program 1 times [2022-07-12 16:15:06,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:15:06,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [977613449] [2022-07-12 16:15:06,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:15:06,723 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:15:06,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:15:06,728 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:15:06,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 16:15:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:10,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 4448 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:15:10,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:15:11,583 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-12 16:15:11,583 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:15:11,583 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:15:11,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [977613449] [2022-07-12 16:15:11,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [977613449] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:15:11,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:15:11,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:15:11,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685637947] [2022-07-12 16:15:11,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:15:11,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:15:11,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:15:11,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:15:11,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:15:11,585 INFO L87 Difference]: Start difference. First operand 29858 states and 41839 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-12 16:15:14,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:15:14,095 INFO L93 Difference]: Finished difference Result 86479 states and 121235 transitions. [2022-07-12 16:15:14,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:15:14,096 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 473 [2022-07-12 16:15:14,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:15:14,391 INFO L225 Difference]: With dead ends: 86479 [2022-07-12 16:15:14,392 INFO L226 Difference]: Without dead ends: 56698 [2022-07-12 16:15:14,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 471 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:15:14,482 INFO L413 NwaCegarLoop]: 4770 mSDtfsCounter, 3444 mSDsluCounter, 3703 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3444 SdHoareTripleChecker+Valid, 8473 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-12 16:15:14,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3444 Valid, 8473 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-12 16:15:14,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56698 states. [2022-07-12 16:15:15,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56698 to 56664. [2022-07-12 16:15:15,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56664 states, 40529 states have (on average 1.3036097609119397) internal successors, (52834), 40665 states have internal predecessors, (52834), 13233 states have call successors, (13233), 2901 states have call predecessors, (13233), 2901 states have return successors, (13233), 13113 states have call predecessors, (13233), 13233 states have call successors, (13233) [2022-07-12 16:15:16,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56664 states to 56664 states and 79300 transitions. [2022-07-12 16:15:16,435 INFO L78 Accepts]: Start accepts. Automaton has 56664 states and 79300 transitions. Word has length 473 [2022-07-12 16:15:16,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:15:16,437 INFO L495 AbstractCegarLoop]: Abstraction has 56664 states and 79300 transitions. [2022-07-12 16:15:16,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-12 16:15:16,437 INFO L276 IsEmpty]: Start isEmpty. Operand 56664 states and 79300 transitions. [2022-07-12 16:15:16,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2022-07-12 16:15:16,452 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:15:16,452 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 36, 36, 36, 36, 36, 36, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:15:16,565 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 16:15:16,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:15:16,676 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:15:16,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:15:16,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1039367074, now seen corresponding path program 1 times [2022-07-12 16:15:16,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:15:16,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1979051039] [2022-07-12 16:15:16,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:15:16,680 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:15:16,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:15:16,688 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:15:16,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 16:15:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:20,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 4449 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:15:20,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:15:21,278 INFO L134 CoverageAnalysis]: Checked inductivity of 5901 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-12 16:15:21,279 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:15:21,279 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:15:21,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1979051039] [2022-07-12 16:15:21,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1979051039] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:15:21,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:15:21,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:15:21,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282089863] [2022-07-12 16:15:21,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:15:21,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:15:21,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:15:21,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:15:21,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:15:21,280 INFO L87 Difference]: Start difference. First operand 56664 states and 79300 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-12 16:15:24,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:15:24,003 INFO L93 Difference]: Finished difference Result 114708 states and 160229 transitions. [2022-07-12 16:15:24,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:15:24,004 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 485 [2022-07-12 16:15:24,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:15:24,245 INFO L225 Difference]: With dead ends: 114708 [2022-07-12 16:15:24,245 INFO L226 Difference]: Without dead ends: 58121 [2022-07-12 16:15:24,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 483 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:15:24,384 INFO L413 NwaCegarLoop]: 3969 mSDtfsCounter, 1172 mSDsluCounter, 3675 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1172 SdHoareTripleChecker+Valid, 7644 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-12 16:15:24,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1172 Valid, 7644 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-12 16:15:24,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58121 states. [2022-07-12 16:15:25,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58121 to 58119. [2022-07-12 16:15:25,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58119 states, 41606 states have (on average 1.3009421718021439) internal successors, (54127), 41744 states have internal predecessors, (54127), 13447 states have call successors, (13447), 3065 states have call predecessors, (13447), 3065 states have return successors, (13447), 13325 states have call predecessors, (13447), 13447 states have call successors, (13447) [2022-07-12 16:15:26,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58119 states to 58119 states and 81021 transitions. [2022-07-12 16:15:26,121 INFO L78 Accepts]: Start accepts. Automaton has 58119 states and 81021 transitions. Word has length 485 [2022-07-12 16:15:26,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:15:26,122 INFO L495 AbstractCegarLoop]: Abstraction has 58119 states and 81021 transitions. [2022-07-12 16:15:26,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-12 16:15:26,123 INFO L276 IsEmpty]: Start isEmpty. Operand 58119 states and 81021 transitions. [2022-07-12 16:15:26,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2022-07-12 16:15:26,128 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:15:26,128 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 36, 36, 36, 36, 36, 36, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:15:26,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-12 16:15:26,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:15:26,356 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:15:26,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:15:26,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1996353760, now seen corresponding path program 1 times [2022-07-12 16:15:26,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:15:26,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [583379747] [2022-07-12 16:15:26,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:15:26,360 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:15:26,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:15:26,372 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:15:26,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 16:15:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:29,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 4489 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:15:29,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:15:30,884 INFO L134 CoverageAnalysis]: Checked inductivity of 5909 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-12 16:15:30,884 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:15:30,884 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:15:30,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [583379747] [2022-07-12 16:15:30,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [583379747] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:15:30,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:15:30,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:15:30,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394957504] [2022-07-12 16:15:30,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:15:30,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:15:30,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:15:30,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:15:30,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:15:30,886 INFO L87 Difference]: Start difference. First operand 58119 states and 81021 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (51), 3 states have call predecessors, (51), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-12 16:15:33,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:15:33,531 INFO L93 Difference]: Finished difference Result 172042 states and 239994 transitions. [2022-07-12 16:15:33,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:15:33,532 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (51), 3 states have call predecessors, (51), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 500 [2022-07-12 16:15:33,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:15:34,099 INFO L225 Difference]: With dead ends: 172042 [2022-07-12 16:15:34,099 INFO L226 Difference]: Without dead ends: 114000 [2022-07-12 16:15:34,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 498 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:15:34,296 INFO L413 NwaCegarLoop]: 7016 mSDtfsCounter, 3598 mSDsluCounter, 3733 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3598 SdHoareTripleChecker+Valid, 10749 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 16:15:34,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3598 Valid, 10749 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 16:15:34,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114000 states. [2022-07-12 16:15:37,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114000 to 113966. [2022-07-12 16:15:37,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113966 states, 81520 states have (on average 1.3011285574092248) internal successors, (106068), 81792 states have internal predecessors, (106068), 26443 states have call successors, (26443), 6002 states have call predecessors, (26443), 6002 states have return successors, (26443), 26203 states have call predecessors, (26443), 26443 states have call successors, (26443) [2022-07-12 16:15:38,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113966 states to 113966 states and 158954 transitions. [2022-07-12 16:15:38,078 INFO L78 Accepts]: Start accepts. Automaton has 113966 states and 158954 transitions. Word has length 500 [2022-07-12 16:15:38,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:15:38,079 INFO L495 AbstractCegarLoop]: Abstraction has 113966 states and 158954 transitions. [2022-07-12 16:15:38,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (51), 3 states have call predecessors, (51), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-12 16:15:38,079 INFO L276 IsEmpty]: Start isEmpty. Operand 113966 states and 158954 transitions. [2022-07-12 16:15:38,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2022-07-12 16:15:38,099 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:15:38,099 INFO L195 NwaCegarLoop]: trace histogram [41, 41, 36, 36, 36, 36, 36, 36, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:15:38,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-12 16:15:38,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:15:38,316 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:15:38,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:15:38,316 INFO L85 PathProgramCache]: Analyzing trace with hash -524716183, now seen corresponding path program 1 times [2022-07-12 16:15:38,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:15:38,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [203974652] [2022-07-12 16:15:38,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:15:38,319 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:15:38,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:15:38,321 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:15:38,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-12 16:15:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:42,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 4580 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:15:42,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:15:43,299 INFO L134 CoverageAnalysis]: Checked inductivity of 6294 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 6024 trivial. 0 not checked. [2022-07-12 16:15:43,299 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:15:43,300 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:15:43,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [203974652] [2022-07-12 16:15:43,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [203974652] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:15:43,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:15:43,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:15:43,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879284838] [2022-07-12 16:15:43,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:15:43,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:15:43,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:15:43,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:15:43,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:15:43,301 INFO L87 Difference]: Start difference. First operand 113966 states and 158954 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-07-12 16:15:49,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:15:49,658 INFO L93 Difference]: Finished difference Result 337106 states and 470704 transitions. [2022-07-12 16:15:49,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:15:49,674 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) Word has length 547 [2022-07-12 16:15:49,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:15:50,799 INFO L225 Difference]: With dead ends: 337106 [2022-07-12 16:15:50,801 INFO L226 Difference]: Without dead ends: 223432 [2022-07-12 16:15:51,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 546 GetRequests, 545 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:15:51,190 INFO L413 NwaCegarLoop]: 7260 mSDtfsCounter, 3522 mSDsluCounter, 3702 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3522 SdHoareTripleChecker+Valid, 10962 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-12 16:15:51,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3522 Valid, 10962 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-12 16:15:51,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223432 states.