./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 f4b24e32 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-?-f4b24e3 [2022-07-14 03:53:39,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 03:53:39,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 03:53:39,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 03:53:39,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 03:53:39,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 03:53:39,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 03:53:39,643 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 03:53:39,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 03:53:39,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 03:53:39,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 03:53:39,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 03:53:39,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 03:53:39,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 03:53:39,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 03:53:39,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 03:53:39,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 03:53:39,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 03:53:39,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 03:53:39,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 03:53:39,674 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 03:53:39,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 03:53:39,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 03:53:39,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 03:53:39,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 03:53:39,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 03:53:39,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 03:53:39,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 03:53:39,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 03:53:39,695 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 03:53:39,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 03:53:39,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 03:53:39,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 03:53:39,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 03:53:39,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 03:53:39,699 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 03:53:39,699 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 03:53:39,699 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 03:53:39,699 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 03:53:39,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 03:53:39,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 03:53:39,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 03:53:39,702 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 03:53:39,721 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 03:53:39,723 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 03:53:39,723 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 03:53:39,723 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 03:53:39,724 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 03:53:39,724 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 03:53:39,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 03:53:39,725 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 03:53:39,725 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 03:53:39,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 03:53:39,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 03:53:39,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 03:53:39,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 03:53:39,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 03:53:39,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 03:53:39,726 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 03:53:39,726 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 03:53:39,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 03:53:39,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 03:53:39,727 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 03:53:39,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 03:53:39,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:53:39,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 03:53:39,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 03:53:39,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 03:53:39,728 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 03:53:39,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 03:53:39,728 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 03:53:39,728 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 03:53:39,729 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 03:53:39,729 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed68d02e3340e974ceb85a32805324d7a9365cc739c1b33e4c9dbafc7a73800a [2022-07-14 03:53:39,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 03:53:39,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 03:53:39,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 03:53:39,963 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 03:53:39,964 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 03:53:39,964 INFO L432 ainManager$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 [2022-07-14 03:53:40,033 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c263e79a/85a2b0204f2843388c00305e84e06011/FLAG15c2ddf5e [2022-07-14 03:53:40,676 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 03:53:40,676 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 [2022-07-14 03:53:40,719 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c263e79a/85a2b0204f2843388c00305e84e06011/FLAG15c2ddf5e [2022-07-14 03:53:40,763 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c263e79a/85a2b0204f2843388c00305e84e06011 [2022-07-14 03:53:40,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 03:53:40,766 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 03:53:40,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 03:53:40,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 03:53:40,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 03:53:40,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:53:40" (1/1) ... [2022-07-14 03:53:40,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39a560c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:53:40, skipping insertion in model container [2022-07-14 03:53:40,772 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:53:40" (1/1) ... [2022-07-14 03:53:40,777 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 03:53:40,895 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:53:43,843 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] [2022-07-14 03:53:43,845 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] [2022-07-14 03:53:43,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:53:43,941 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 03:53:44,089 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) [2022-07-14 03:53:44,098 INFO L158 Benchmark]: Toolchain (without parser) took 3330.39ms. Allocated memory was 115.3MB in the beginning and 182.5MB in the end (delta: 67.1MB). Free memory was 77.5MB in the beginning and 110.0MB in the end (delta: -32.4MB). Peak memory consumption was 87.9MB. Max. memory is 16.1GB. [2022-07-14 03:53:44,098 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 77.6MB. Free memory was 50.3MB in the beginning and 50.2MB in the end (delta: 32.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 03:53:44,099 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3328.65ms. Allocated memory was 115.3MB in the beginning and 182.5MB in the end (delta: 67.1MB). Free memory was 77.5MB in the beginning and 110.0MB in the end (delta: -32.4MB). Peak memory consumption was 87.9MB. Max. memory is 16.1GB. [2022-07-14 03:53:44,103 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 77.6MB. Free memory was 50.3MB in the beginning and 50.2MB in the end (delta: 32.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3328.65ms. Allocated memory was 115.3MB in the beginning and 182.5MB in the end (delta: 67.1MB). Free memory was 77.5MB in the beginning and 110.0MB in the end (delta: -32.4MB). Peak memory consumption was 87.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-?-f4b24e3 [2022-07-14 03:53:45,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 03:53:45,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 03:53:45,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 03:53:45,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 03:53:45,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 03:53:45,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 03:53:45,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 03:53:45,558 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 03:53:45,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 03:53:45,559 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 03:53:45,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 03:53:45,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 03:53:45,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 03:53:45,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 03:53:45,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 03:53:45,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 03:53:45,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 03:53:45,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 03:53:45,581 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 03:53:45,582 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 03:53:45,582 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 03:53:45,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 03:53:45,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 03:53:45,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 03:53:45,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 03:53:45,595 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 03:53:45,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 03:53:45,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 03:53:45,596 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 03:53:45,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 03:53:45,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 03:53:45,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 03:53:45,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 03:53:45,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 03:53:45,600 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 03:53:45,600 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 03:53:45,601 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 03:53:45,601 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 03:53:45,601 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 03:53:45,602 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 03:53:45,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 03:53:45,605 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 03:53:45,627 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 03:53:45,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 03:53:45,628 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 03:53:45,628 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 03:53:45,628 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 03:53:45,629 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 03:53:45,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 03:53:45,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 03:53:45,629 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 03:53:45,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 03:53:45,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 03:53:45,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 03:53:45,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 03:53:45,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 03:53:45,630 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 03:53:45,630 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 03:53:45,630 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 03:53:45,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 03:53:45,631 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 03:53:45,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 03:53:45,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 03:53:45,631 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 03:53:45,631 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 03:53:45,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:53:45,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 03:53:45,632 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 03:53:45,632 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 03:53:45,632 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 03:53:45,632 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 03:53:45,632 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 03:53:45,632 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 03:53:45,632 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 03:53:45,633 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 03:53:45,633 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed68d02e3340e974ceb85a32805324d7a9365cc739c1b33e4c9dbafc7a73800a [2022-07-14 03:53:45,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 03:53:45,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 03:53:45,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 03:53:45,902 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 03:53:45,903 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 03:53:45,904 INFO L432 ainManager$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 [2022-07-14 03:53:45,944 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4058f28cf/3752ef05242344739381d403c72bbaf6/FLAG7655bf3f4 [2022-07-14 03:53:46,670 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 03:53:46,670 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 [2022-07-14 03:53:46,717 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4058f28cf/3752ef05242344739381d403c72bbaf6/FLAG7655bf3f4 [2022-07-14 03:53:46,987 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4058f28cf/3752ef05242344739381d403c72bbaf6 [2022-07-14 03:53:46,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 03:53:46,990 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 03:53:46,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 03:53:46,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 03:53:46,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 03:53:46,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:53:46" (1/1) ... [2022-07-14 03:53:46,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@af2006b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:53:46, skipping insertion in model container [2022-07-14 03:53:46,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:53:46" (1/1) ... [2022-07-14 03:53:47,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 03:53:47,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:53:49,754 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] [2022-07-14 03:53:49,756 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] [2022-07-14 03:53:49,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:53:49,840 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 03:53:49,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:53:50,189 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] [2022-07-14 03:53:50,190 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] [2022-07-14 03:53:50,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:53:50,217 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 03:53:50,672 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] [2022-07-14 03:53:50,673 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] [2022-07-14 03:53:50,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:53:50,868 INFO L208 MainTranslator]: Completed translation [2022-07-14 03:53:50,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:53:50 WrapperNode [2022-07-14 03:53:50,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 03:53:50,869 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 03:53:50,870 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 03:53:50,870 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 03:53:50,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:53:50" (1/1) ... [2022-07-14 03:53:50,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:53:50" (1/1) ... [2022-07-14 03:53:51,200 INFO L137 Inliner]: procedures = 488, calls = 4713, calls flagged for inlining = 228, calls inlined = 198, statements flattened = 8753 [2022-07-14 03:53:51,202 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 03:53:51,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 03:53:51,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 03:53:51,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 03:53:51,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:53:50" (1/1) ... [2022-07-14 03:53:51,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:53:50" (1/1) ... [2022-07-14 03:53:51,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:53:50" (1/1) ... [2022-07-14 03:53:51,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:53:50" (1/1) ... [2022-07-14 03:53:51,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:53:50" (1/1) ... [2022-07-14 03:53:51,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:53:50" (1/1) ... [2022-07-14 03:53:51,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:53:50" (1/1) ... [2022-07-14 03:53:51,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 03:53:51,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 03:53:51,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 03:53:51,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 03:53:51,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:53:50" (1/1) ... [2022-07-14 03:53:51,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:53:51,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 03:53:51,524 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) [2022-07-14 03:53:51,542 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 [2022-07-14 03:53:51,563 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2022-07-14 03:53:51,564 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2022-07-14 03:53:51,564 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-07-14 03:53:51,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-07-14 03:53:51,564 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2022-07-14 03:53:51,564 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2022-07-14 03:53:51,565 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2022-07-14 03:53:51,565 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2022-07-14 03:53:51,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 03:53:51,565 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 03:53:51,565 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2022-07-14 03:53:51,565 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2022-07-14 03:53:51,565 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2022-07-14 03:53:51,565 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2022-07-14 03:53:51,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 03:53:51,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 03:53:51,566 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2022-07-14 03:53:51,566 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2022-07-14 03:53:51,566 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2022-07-14 03:53:51,566 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2022-07-14 03:53:51,566 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2022-07-14 03:53:51,567 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2022-07-14 03:53:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2022-07-14 03:53:51,567 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2022-07-14 03:53:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2022-07-14 03:53:51,567 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2022-07-14 03:53:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2022-07-14 03:53:51,568 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2022-07-14 03:53:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2022-07-14 03:53:51,568 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2022-07-14 03:53:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 03:53:51,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 03:53:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-07-14 03:53:51,568 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-07-14 03:53:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 03:53:51,569 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 03:53:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 03:53:51,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 03:53:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 03:53:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2022-07-14 03:53:51,570 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2022-07-14 03:53:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2022-07-14 03:53:51,570 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2022-07-14 03:53:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-14 03:53:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 03:53:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 03:53:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 03:53:51,572 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2022-07-14 03:53:51,572 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2022-07-14 03:53:51,572 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-14 03:53:51,572 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-14 03:53:51,572 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 03:53:51,573 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 03:53:51,573 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2022-07-14 03:53:51,573 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2022-07-14 03:53:51,573 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2022-07-14 03:53:51,573 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2022-07-14 03:53:51,573 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2022-07-14 03:53:51,573 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2022-07-14 03:53:51,574 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2022-07-14 03:53:51,574 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2022-07-14 03:53:51,574 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2022-07-14 03:53:51,574 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2022-07-14 03:53:51,574 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2022-07-14 03:53:51,575 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2022-07-14 03:53:51,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 03:53:51,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 03:53:51,575 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2022-07-14 03:53:51,575 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2022-07-14 03:53:51,576 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2022-07-14 03:53:51,576 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2022-07-14 03:53:51,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-14 03:53:51,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-14 03:53:51,576 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2022-07-14 03:53:51,576 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2022-07-14 03:53:51,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 03:53:51,577 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 03:53:51,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 03:53:51,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 03:53:51,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-14 03:53:51,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-14 03:53:51,578 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2022-07-14 03:53:51,578 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2022-07-14 03:53:51,578 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2022-07-14 03:53:51,578 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2022-07-14 03:53:51,579 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2022-07-14 03:53:51,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2022-07-14 03:53:51,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 03:53:51,579 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2022-07-14 03:53:51,579 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2022-07-14 03:53:51,579 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2022-07-14 03:53:51,579 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2022-07-14 03:53:51,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-14 03:53:51,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-14 03:53:51,580 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2022-07-14 03:53:51,580 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2022-07-14 03:53:51,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-14 03:53:51,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-14 03:53:51,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 03:53:51,581 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2022-07-14 03:53:51,581 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2022-07-14 03:53:51,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 03:53:51,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 03:53:51,581 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2022-07-14 03:53:51,581 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2022-07-14 03:53:51,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 03:53:51,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 03:53:51,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 03:53:51,583 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2022-07-14 03:53:51,584 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2022-07-14 03:53:51,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 03:53:51,585 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2022-07-14 03:53:51,585 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2022-07-14 03:53:51,586 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2022-07-14 03:53:51,586 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2022-07-14 03:53:51,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-14 03:53:51,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-14 03:53:51,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-14 03:53:51,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-14 03:53:51,593 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2022-07-14 03:53:51,593 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2022-07-14 03:53:51,593 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-14 03:53:51,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-14 03:53:51,594 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2022-07-14 03:53:51,594 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2022-07-14 03:53:51,594 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-07-14 03:53:51,594 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-07-14 03:53:51,594 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 03:53:51,594 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 03:53:51,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 03:53:51,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 03:53:51,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 03:53:51,595 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-14 03:53:51,595 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-14 03:53:51,595 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-14 03:53:51,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-14 03:53:51,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 03:53:51,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 03:53:51,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 03:53:51,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 03:53:51,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 03:53:51,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 03:53:51,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 03:53:51,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 03:53:51,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-07-14 03:53:51,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-07-14 03:53:51,597 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-14 03:53:51,597 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-14 03:53:51,597 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2022-07-14 03:53:51,597 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2022-07-14 03:53:51,597 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-14 03:53:51,598 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-14 03:53:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2022-07-14 03:53:51,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2022-07-14 03:53:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-14 03:53:51,598 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-14 03:53:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2022-07-14 03:53:51,598 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2022-07-14 03:53:51,599 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2022-07-14 03:53:51,599 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2022-07-14 03:53:51,599 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2022-07-14 03:53:51,599 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2022-07-14 03:53:51,599 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 03:53:51,599 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 03:53:51,600 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2022-07-14 03:53:51,600 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2022-07-14 03:53:51,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 03:53:51,600 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 03:53:51,600 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-14 03:53:51,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-14 03:53:51,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 03:53:51,600 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 03:53:51,601 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 03:53:51,601 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2022-07-14 03:53:51,601 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2022-07-14 03:53:51,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 03:53:51,601 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2022-07-14 03:53:51,601 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2022-07-14 03:53:51,602 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2022-07-14 03:53:51,602 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2022-07-14 03:53:51,602 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2022-07-14 03:53:51,602 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2022-07-14 03:53:51,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 03:53:51,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 03:53:51,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 03:53:51,602 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-14 03:53:51,603 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-14 03:53:51,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 03:53:51,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 03:53:51,603 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2022-07-14 03:53:51,603 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2022-07-14 03:53:51,603 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-14 03:53:51,604 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-14 03:53:51,604 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2022-07-14 03:53:51,604 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2022-07-14 03:53:51,604 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-14 03:53:51,604 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-14 03:53:51,604 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 03:53:51,604 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 03:53:51,604 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2022-07-14 03:53:51,605 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2022-07-14 03:53:51,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 03:53:51,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 03:53:51,605 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-14 03:53:51,605 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-14 03:53:51,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2022-07-14 03:53:51,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2022-07-14 03:53:51,606 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-14 03:53:51,606 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-14 03:53:51,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 03:53:51,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 03:53:51,606 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2022-07-14 03:53:51,606 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2022-07-14 03:53:51,606 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-07-14 03:53:51,607 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-07-14 03:53:51,607 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 03:53:51,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 03:53:51,607 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2022-07-14 03:53:51,607 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2022-07-14 03:53:51,607 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 03:53:51,608 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 03:53:51,608 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2022-07-14 03:53:51,608 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2022-07-14 03:53:51,608 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2022-07-14 03:53:51,608 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2022-07-14 03:53:51,608 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2022-07-14 03:53:51,608 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2022-07-14 03:53:51,609 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2022-07-14 03:53:51,609 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2022-07-14 03:53:51,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 03:53:51,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 03:53:51,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 03:53:51,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 03:53:51,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 03:53:51,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 03:53:51,611 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2022-07-14 03:53:51,617 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2022-07-14 03:53:51,617 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-07-14 03:53:51,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-07-14 03:53:51,618 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-14 03:53:51,618 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-14 03:53:51,618 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2022-07-14 03:53:51,618 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2022-07-14 03:53:51,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 03:53:51,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 03:53:51,619 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-14 03:53:51,619 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-14 03:53:51,619 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2022-07-14 03:53:51,619 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2022-07-14 03:53:51,620 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2022-07-14 03:53:51,620 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2022-07-14 03:53:51,620 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2022-07-14 03:53:51,620 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2022-07-14 03:53:51,620 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2022-07-14 03:53:51,620 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2022-07-14 03:53:51,620 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2022-07-14 03:53:51,620 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2022-07-14 03:53:51,621 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-07-14 03:53:51,621 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-14 03:53:51,621 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-14 03:53:51,621 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2022-07-14 03:53:51,621 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2022-07-14 03:53:51,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 03:53:51,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 03:53:52,712 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 03:53:52,715 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 03:54:00,042 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 03:56:13,150 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 03:56:19,978 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 03:56:20,001 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 03:56:20,002 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 03:56:20,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:56:20 BoogieIcfgContainer [2022-07-14 03:56:20,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 03:56:20,009 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 03:56:20,009 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 03:56:20,011 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 03:56:20,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 03:53:46" (1/3) ... [2022-07-14 03:56:20,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@177ef814 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:56:20, skipping insertion in model container [2022-07-14 03:56:20,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:53:50" (2/3) ... [2022-07-14 03:56:20,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@177ef814 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:56:20, skipping insertion in model container [2022-07-14 03:56:20,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:56:20" (3/3) ... [2022-07-14 03:56:20,013 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2022-07-14 03:56:20,024 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 03:56:20,025 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 03:56:20,116 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 03:56:20,121 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@22b6f679, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6e760208 [2022-07-14 03:56:20,122 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 03:56:20,139 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) [2022-07-14 03:56:20,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2022-07-14 03:56:20,182 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:56:20,183 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] [2022-07-14 03:56:20,184 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:56:20,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:56:20,188 INFO L85 PathProgramCache]: Analyzing trace with hash -894127153, now seen corresponding path program 1 times [2022-07-14 03:56:20,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:56:20,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [144406781] [2022-07-14 03:56:20,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:56:20,217 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:56:20,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:56:20,219 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) [2022-07-14 03:56:20,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 03:56:24,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:56:24,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 4413 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:56:24,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:56:25,362 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-14 03:56:25,362 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:56:25,363 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:56:25,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [144406781] [2022-07-14 03:56:25,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [144406781] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:56:25,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:56:25,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:56:25,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549832536] [2022-07-14 03:56:25,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:56:25,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:56:25,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:56:25,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:56:25,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:56:25,416 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) [2022-07-14 03:56:28,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:56:28,039 INFO L93 Difference]: Finished difference Result 7772 states and 11415 transitions. [2022-07-14 03:56:28,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:56:28,042 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 [2022-07-14 03:56:28,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:56:28,101 INFO L225 Difference]: With dead ends: 7772 [2022-07-14 03:56:28,101 INFO L226 Difference]: Without dead ends: 5097 [2022-07-14 03:56:28,131 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 [2022-07-14 03:56:28,136 INFO L413 NwaCegarLoop]: 4448 mSDtfsCounter, 3565 mSDsluCounter, 3755 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.3s IncrementalHoareTripleChecker+Time [2022-07-14 03:56:28,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3565 Valid, 8203 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-14 03:56:28,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5097 states. [2022-07-14 03:56:28,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5097 to 5091. [2022-07-14 03:56:28,440 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) [2022-07-14 03:56:28,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5091 states to 5091 states and 7246 transitions. [2022-07-14 03:56:28,485 INFO L78 Accepts]: Start accepts. Automaton has 5091 states and 7246 transitions. Word has length 457 [2022-07-14 03:56:28,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:56:28,488 INFO L495 AbstractCegarLoop]: Abstraction has 5091 states and 7246 transitions. [2022-07-14 03:56:28,489 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) [2022-07-14 03:56:28,489 INFO L276 IsEmpty]: Start isEmpty. Operand 5091 states and 7246 transitions. [2022-07-14 03:56:28,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2022-07-14 03:56:28,508 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:56:28,510 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] [2022-07-14 03:56:28,646 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 03:56:28,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:56:28,732 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:56:28,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:56:28,733 INFO L85 PathProgramCache]: Analyzing trace with hash 518699637, now seen corresponding path program 1 times [2022-07-14 03:56:28,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:56:28,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1323365843] [2022-07-14 03:56:28,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:56:28,738 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:56:28,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:56:28,748 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) [2022-07-14 03:56:28,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 03:56:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:56:33,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 4414 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:56:33,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:56:34,324 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-14 03:56:34,325 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:56:34,325 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:56:34,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1323365843] [2022-07-14 03:56:34,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1323365843] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:56:34,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:56:34,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:56:34,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812652672] [2022-07-14 03:56:34,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:56:34,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:56:34,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:56:34,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:56:34,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:56:34,331 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) [2022-07-14 03:56:36,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:56:36,462 INFO L93 Difference]: Finished difference Result 14971 states and 21292 transitions. [2022-07-14 03:56:36,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:56:36,462 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 [2022-07-14 03:56:36,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:56:36,518 INFO L225 Difference]: With dead ends: 14971 [2022-07-14 03:56:36,518 INFO L226 Difference]: Without dead ends: 9957 [2022-07-14 03:56:36,546 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 [2022-07-14 03:56:36,547 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, 1.9s IncrementalHoareTripleChecker+Time [2022-07-14 03:56:36,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3496 Valid, 8116 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-14 03:56:36,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9957 states. [2022-07-14 03:56:36,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9957 to 9949. [2022-07-14 03:56:36,907 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) [2022-07-14 03:56:36,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9949 states to 9949 states and 14132 transitions. [2022-07-14 03:56:36,954 INFO L78 Accepts]: Start accepts. Automaton has 9949 states and 14132 transitions. Word has length 458 [2022-07-14 03:56:36,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:56:36,955 INFO L495 AbstractCegarLoop]: Abstraction has 9949 states and 14132 transitions. [2022-07-14 03:56:36,956 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) [2022-07-14 03:56:36,956 INFO L276 IsEmpty]: Start isEmpty. Operand 9949 states and 14132 transitions. [2022-07-14 03:56:36,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2022-07-14 03:56:36,966 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:56:36,966 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] [2022-07-14 03:56:37,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 03:56:37,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:56:37,184 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:56:37,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:56:37,184 INFO L85 PathProgramCache]: Analyzing trace with hash 280828728, now seen corresponding path program 1 times [2022-07-14 03:56:37,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:56:37,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1802222576] [2022-07-14 03:56:37,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:56:37,188 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:56:37,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:56:37,190 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) [2022-07-14 03:56:37,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 03:56:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:56:41,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 4412 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:56:41,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:56:41,870 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-14 03:56:41,870 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:56:41,870 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:56:41,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1802222576] [2022-07-14 03:56:41,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1802222576] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:56:41,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:56:41,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:56:41,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155734326] [2022-07-14 03:56:41,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:56:41,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:56:41,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:56:41,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:56:41,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:56:41,872 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) [2022-07-14 03:56:44,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:56:44,123 INFO L93 Difference]: Finished difference Result 29154 states and 41403 transitions. [2022-07-14 03:56:44,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:56:44,123 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 [2022-07-14 03:56:44,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:56:44,216 INFO L225 Difference]: With dead ends: 29154 [2022-07-14 03:56:44,217 INFO L226 Difference]: Without dead ends: 19282 [2022-07-14 03:56:44,251 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 [2022-07-14 03:56:44,253 INFO L413 NwaCegarLoop]: 4647 mSDtfsCounter, 3496 mSDsluCounter, 3685 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.8s IncrementalHoareTripleChecker+Time [2022-07-14 03:56:44,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3496 Valid, 8332 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-14 03:56:44,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19282 states. [2022-07-14 03:56:44,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19282 to 19278. [2022-07-14 03:56:44,865 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) [2022-07-14 03:56:45,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19278 states to 19278 states and 27341 transitions. [2022-07-14 03:56:45,021 INFO L78 Accepts]: Start accepts. Automaton has 19278 states and 27341 transitions. Word has length 456 [2022-07-14 03:56:45,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:56:45,022 INFO L495 AbstractCegarLoop]: Abstraction has 19278 states and 27341 transitions. [2022-07-14 03:56:45,022 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) [2022-07-14 03:56:45,031 INFO L276 IsEmpty]: Start isEmpty. Operand 19278 states and 27341 transitions. [2022-07-14 03:56:45,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2022-07-14 03:56:45,043 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:56:45,044 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] [2022-07-14 03:56:45,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 03:56:45,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:56:45,264 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:56:45,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:56:45,265 INFO L85 PathProgramCache]: Analyzing trace with hash 899187853, now seen corresponding path program 1 times [2022-07-14 03:56:45,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:56:45,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [662729303] [2022-07-14 03:56:45,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:56:45,268 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:56:45,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:56:45,270 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) [2022-07-14 03:56:45,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 03:56:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:56:48,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 4392 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:56:48,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:56:49,718 INFO L134 CoverageAnalysis]: Checked inductivity of 5781 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5673 trivial. 0 not checked. [2022-07-14 03:56:49,718 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:56:49,719 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:56:49,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [662729303] [2022-07-14 03:56:49,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [662729303] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:56:49,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:56:49,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:56:49,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777460446] [2022-07-14 03:56:49,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:56:49,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:56:49,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:56:49,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:56:49,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:56:49,722 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) [2022-07-14 03:56:53,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:56:53,141 INFO L93 Difference]: Finished difference Result 49077 states and 69156 transitions. [2022-07-14 03:56:53,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:56:53,142 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 [2022-07-14 03:56:53,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:56:53,272 INFO L225 Difference]: With dead ends: 49077 [2022-07-14 03:56:53,273 INFO L226 Difference]: Without dead ends: 29876 [2022-07-14 03:56:53,333 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 [2022-07-14 03:56:53,334 INFO L413 NwaCegarLoop]: 4345 mSDtfsCounter, 2041 mSDsluCounter, 3652 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s 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, 2.7s IncrementalHoareTripleChecker+Time [2022-07-14 03:56:53,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2041 Valid, 7997 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-14 03:56:53,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29876 states. [2022-07-14 03:56:54,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29876 to 29858. [2022-07-14 03:56:54,616 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) [2022-07-14 03:56:55,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29858 states to 29858 states and 41839 transitions. [2022-07-14 03:56:55,037 INFO L78 Accepts]: Start accepts. Automaton has 29858 states and 41839 transitions. Word has length 462 [2022-07-14 03:56:55,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:56:55,039 INFO L495 AbstractCegarLoop]: Abstraction has 29858 states and 41839 transitions. [2022-07-14 03:56:55,039 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) [2022-07-14 03:56:55,040 INFO L276 IsEmpty]: Start isEmpty. Operand 29858 states and 41839 transitions. [2022-07-14 03:56:55,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2022-07-14 03:56:55,050 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:56:55,050 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] [2022-07-14 03:56:55,216 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-14 03:56:55,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:56:55,300 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:56:55,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:56:55,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1881844334, now seen corresponding path program 1 times [2022-07-14 03:56:55,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:56:55,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [15481629] [2022-07-14 03:56:55,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:56:55,304 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:56:55,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:56:55,306 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) [2022-07-14 03:56:55,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 03:56:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:56:59,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 4448 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:56:59,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:57:00,231 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-14 03:57:00,231 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:57:00,231 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:57:00,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [15481629] [2022-07-14 03:57:00,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [15481629] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:57:00,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:57:00,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:57:00,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161237559] [2022-07-14 03:57:00,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:57:00,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:57:00,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:57:00,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:57:00,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:57:00,233 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) [2022-07-14 03:57:02,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:57:02,645 INFO L93 Difference]: Finished difference Result 86479 states and 121235 transitions. [2022-07-14 03:57:02,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:57:02,645 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 [2022-07-14 03:57:02,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:57:03,047 INFO L225 Difference]: With dead ends: 86479 [2022-07-14 03:57:03,047 INFO L226 Difference]: Without dead ends: 56698 [2022-07-14 03:57:03,129 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 [2022-07-14 03:57:03,129 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 [2022-07-14 03:57:03,130 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] [2022-07-14 03:57:03,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56698 states. [2022-07-14 03:57:04,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56698 to 56664. [2022-07-14 03:57:04,906 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) [2022-07-14 03:57:05,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56664 states to 56664 states and 79300 transitions. [2022-07-14 03:57:05,160 INFO L78 Accepts]: Start accepts. Automaton has 56664 states and 79300 transitions. Word has length 473 [2022-07-14 03:57:05,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:57:05,161 INFO L495 AbstractCegarLoop]: Abstraction has 56664 states and 79300 transitions. [2022-07-14 03:57:05,161 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) [2022-07-14 03:57:05,162 INFO L276 IsEmpty]: Start isEmpty. Operand 56664 states and 79300 transitions. [2022-07-14 03:57:05,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2022-07-14 03:57:05,179 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:57:05,180 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] [2022-07-14 03:57:05,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-14 03:57:05,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:57:05,396 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:57:05,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:57:05,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1039367074, now seen corresponding path program 1 times [2022-07-14 03:57:05,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:57:05,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [411165435] [2022-07-14 03:57:05,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:57:05,399 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:57:05,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:57:05,401 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) [2022-07-14 03:57:05,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 03:57:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:57:09,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 4449 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:57:09,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:57:10,174 INFO L134 CoverageAnalysis]: Checked inductivity of 5901 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-14 03:57:10,175 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:57:10,175 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:57:10,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [411165435] [2022-07-14 03:57:10,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [411165435] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:57:10,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:57:10,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:57:10,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885960528] [2022-07-14 03:57:10,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:57:10,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:57:10,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:57:10,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:57:10,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:57:10,176 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) [2022-07-14 03:57:13,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:57:13,104 INFO L93 Difference]: Finished difference Result 114708 states and 160229 transitions. [2022-07-14 03:57:13,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:57:13,107 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 [2022-07-14 03:57:13,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:57:13,398 INFO L225 Difference]: With dead ends: 114708 [2022-07-14 03:57:13,398 INFO L226 Difference]: Without dead ends: 58121 [2022-07-14 03:57:13,631 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 [2022-07-14 03:57:13,633 INFO L413 NwaCegarLoop]: 3969 mSDtfsCounter, 1172 mSDsluCounter, 3675 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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 [2022-07-14 03:57:13,634 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] [2022-07-14 03:57:13,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58121 states. [2022-07-14 03:57:15,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58121 to 58119. [2022-07-14 03:57:15,441 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) [2022-07-14 03:57:15,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58119 states to 58119 states and 81021 transitions. [2022-07-14 03:57:15,680 INFO L78 Accepts]: Start accepts. Automaton has 58119 states and 81021 transitions. Word has length 485 [2022-07-14 03:57:15,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:57:15,681 INFO L495 AbstractCegarLoop]: Abstraction has 58119 states and 81021 transitions. [2022-07-14 03:57:15,681 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) [2022-07-14 03:57:15,682 INFO L276 IsEmpty]: Start isEmpty. Operand 58119 states and 81021 transitions. [2022-07-14 03:57:15,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2022-07-14 03:57:15,687 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:57:15,687 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] [2022-07-14 03:57:15,779 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-07-14 03:57:15,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:57:15,900 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:57:15,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:57:15,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1996353760, now seen corresponding path program 1 times [2022-07-14 03:57:15,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:57:15,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [724326478] [2022-07-14 03:57:15,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:57:15,904 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:57:15,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:57:15,912 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) [2022-07-14 03:57:15,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-14 03:57:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:57:19,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 4489 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:57:19,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:57:20,436 INFO L134 CoverageAnalysis]: Checked inductivity of 5909 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-14 03:57:20,437 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:57:20,437 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:57:20,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [724326478] [2022-07-14 03:57:20,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [724326478] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:57:20,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:57:20,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:57:20,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222695599] [2022-07-14 03:57:20,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:57:20,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:57:20,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:57:20,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:57:20,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:57:20,439 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) [2022-07-14 03:57:23,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:57:23,299 INFO L93 Difference]: Finished difference Result 172042 states and 239994 transitions. [2022-07-14 03:57:23,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:57:23,300 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 [2022-07-14 03:57:23,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:57:24,121 INFO L225 Difference]: With dead ends: 172042 [2022-07-14 03:57:24,121 INFO L226 Difference]: Without dead ends: 114000 [2022-07-14 03:57:24,318 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 [2022-07-14 03:57:24,319 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, 0.6s IncrementalHoareTripleChecker+Time [2022-07-14 03:57:24,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3598 Valid, 10749 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-14 03:57:24,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114000 states. [2022-07-14 03:57:27,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114000 to 113966. [2022-07-14 03:57:27,648 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) [2022-07-14 03:57:28,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113966 states to 113966 states and 158954 transitions. [2022-07-14 03:57:28,373 INFO L78 Accepts]: Start accepts. Automaton has 113966 states and 158954 transitions. Word has length 500 [2022-07-14 03:57:28,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:57:28,383 INFO L495 AbstractCegarLoop]: Abstraction has 113966 states and 158954 transitions. [2022-07-14 03:57:28,384 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) [2022-07-14 03:57:28,384 INFO L276 IsEmpty]: Start isEmpty. Operand 113966 states and 158954 transitions. [2022-07-14 03:57:28,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2022-07-14 03:57:28,408 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:57:28,409 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] [2022-07-14 03:57:28,494 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-14 03:57:28,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:57:28,624 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:57:28,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:57:28,624 INFO L85 PathProgramCache]: Analyzing trace with hash -524716183, now seen corresponding path program 1 times [2022-07-14 03:57:28,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:57:28,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [445638760] [2022-07-14 03:57:28,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:57:28,630 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:57:28,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:57:28,640 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) [2022-07-14 03:57:28,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-14 03:57:32,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:57:32,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 4580 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:57:32,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:57:33,516 INFO L134 CoverageAnalysis]: Checked inductivity of 6294 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 6024 trivial. 0 not checked. [2022-07-14 03:57:33,516 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:57:33,516 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:57:33,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [445638760] [2022-07-14 03:57:33,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [445638760] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:57:33,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:57:33,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:57:33,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663921927] [2022-07-14 03:57:33,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:57:33,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:57:33,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:57:33,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:57:33,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:57:33,518 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) [2022-07-14 03:57:39,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:57:39,873 INFO L93 Difference]: Finished difference Result 337106 states and 470704 transitions. [2022-07-14 03:57:39,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:57:39,879 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 [2022-07-14 03:57:39,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:57:41,387 INFO L225 Difference]: With dead ends: 337106 [2022-07-14 03:57:41,388 INFO L226 Difference]: Without dead ends: 223432 [2022-07-14 03:57:41,794 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 [2022-07-14 03:57:41,795 INFO L413 NwaCegarLoop]: 7260 mSDtfsCounter, 3522 mSDsluCounter, 3702 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3522 SdHoareTripleChecker+Valid, 10962 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-14 03:57:41,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3522 Valid, 10962 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-14 03:57:41,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223432 states.