./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 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-?-791161d [2022-07-23 03:29:32,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 03:29:32,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 03:29:32,605 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 03:29:32,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 03:29:32,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 03:29:32,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 03:29:32,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 03:29:32,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 03:29:32,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 03:29:32,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 03:29:32,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 03:29:32,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 03:29:32,613 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 03:29:32,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 03:29:32,615 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 03:29:32,616 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 03:29:32,617 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 03:29:32,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 03:29:32,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 03:29:32,622 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 03:29:32,622 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 03:29:32,623 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 03:29:32,624 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 03:29:32,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 03:29:32,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 03:29:32,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 03:29:32,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 03:29:32,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 03:29:32,630 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 03:29:32,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 03:29:32,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 03:29:32,632 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 03:29:32,633 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 03:29:32,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 03:29:32,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 03:29:32,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 03:29:32,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 03:29:32,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 03:29:32,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 03:29:32,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 03:29:32,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 03:29:32,643 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 03:29:32,672 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 03:29:32,675 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 03:29:32,675 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 03:29:32,676 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 03:29:32,676 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 03:29:32,676 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 03:29:32,677 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 03:29:32,677 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 03:29:32,677 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 03:29:32,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 03:29:32,678 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 03:29:32,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 03:29:32,678 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 03:29:32,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 03:29:32,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 03:29:32,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 03:29:32,679 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 03:29:32,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 03:29:32,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 03:29:32,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 03:29:32,680 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 03:29:32,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:29:32,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 03:29:32,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 03:29:32,680 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 03:29:32,680 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 03:29:32,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 03:29:32,681 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 03:29:32,681 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 03:29:32,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 03:29:32,681 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed68d02e3340e974ceb85a32805324d7a9365cc739c1b33e4c9dbafc7a73800a [2022-07-23 03:29:32,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 03:29:32,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 03:29:32,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 03:29:32,893 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 03:29:32,893 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 03:29:32,894 INFO L432 ainManager$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 [2022-07-23 03:29:32,932 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bf5db51d/e0ee37de5854469e8179620e5224b68f/FLAG844d75f9c [2022-07-23 03:29:33,655 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 03:29:33,656 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 [2022-07-23 03:29:33,707 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bf5db51d/e0ee37de5854469e8179620e5224b68f/FLAG844d75f9c [2022-07-23 03:29:33,961 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bf5db51d/e0ee37de5854469e8179620e5224b68f [2022-07-23 03:29:33,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 03:29:33,964 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 03:29:33,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 03:29:33,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 03:29:33,969 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 03:29:33,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:29:33" (1/1) ... [2022-07-23 03:29:33,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27a8bdf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:29:33, skipping insertion in model container [2022-07-23 03:29:33,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:29:33" (1/1) ... [2022-07-23 03:29:33,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 03:29:34,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:29:37,995 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] [2022-07-23 03:29:37,998 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] [2022-07-23 03:29:38,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:29:38,060 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 03:29:38,254 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: HeapLValues must be converted to RValue before their value can be queried. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:517) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-23 03:29:38,269 INFO L158 Benchmark]: Toolchain (without parser) took 4294.34ms. Allocated memory was 130.0MB in the beginning and 211.8MB in the end (delta: 81.8MB). Free memory was 96.7MB in the beginning and 140.2MB in the end (delta: -43.5MB). Peak memory consumption was 96.9MB. Max. memory is 16.1GB. [2022-07-23 03:29:38,270 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 94.4MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 03:29:38,271 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4290.71ms. Allocated memory was 130.0MB in the beginning and 211.8MB in the end (delta: 81.8MB). Free memory was 96.7MB in the beginning and 140.2MB in the end (delta: -43.5MB). Peak memory consumption was 96.9MB. Max. memory is 16.1GB. [2022-07-23 03:29:38,280 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 94.4MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4290.71ms. Allocated memory was 130.0MB in the beginning and 211.8MB in the end (delta: 81.8MB). Free memory was 96.7MB in the beginning and 140.2MB in the end (delta: -43.5MB). Peak memory consumption was 96.9MB. 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-?-791161d [2022-07-23 03:29:39,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 03:29:39,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 03:29:39,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 03:29:39,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 03:29:39,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 03:29:39,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 03:29:39,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 03:29:39,945 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 03:29:39,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 03:29:39,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 03:29:39,951 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 03:29:39,951 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 03:29:39,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 03:29:39,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 03:29:39,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 03:29:39,958 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 03:29:39,959 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 03:29:39,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 03:29:39,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 03:29:39,962 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 03:29:39,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 03:29:39,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 03:29:39,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 03:29:39,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 03:29:39,968 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 03:29:39,971 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 03:29:39,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 03:29:39,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 03:29:39,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 03:29:39,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 03:29:39,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 03:29:39,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 03:29:39,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 03:29:39,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 03:29:39,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 03:29:39,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 03:29:39,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 03:29:39,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 03:29:39,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 03:29:39,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 03:29:39,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 03:29:39,985 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 03:29:40,016 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 03:29:40,017 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 03:29:40,017 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 03:29:40,017 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 03:29:40,018 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 03:29:40,018 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 03:29:40,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 03:29:40,019 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 03:29:40,019 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 03:29:40,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 03:29:40,020 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 03:29:40,021 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 03:29:40,021 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 03:29:40,021 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 03:29:40,021 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 03:29:40,021 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 03:29:40,021 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 03:29:40,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 03:29:40,022 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 03:29:40,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 03:29:40,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 03:29:40,022 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 03:29:40,022 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 03:29:40,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:29:40,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 03:29:40,023 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 03:29:40,023 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 03:29:40,023 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 03:29:40,023 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 03:29:40,024 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 03:29:40,024 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 03:29:40,024 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 03:29:40,024 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 03:29:40,025 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed68d02e3340e974ceb85a32805324d7a9365cc739c1b33e4c9dbafc7a73800a [2022-07-23 03:29:40,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 03:29:40,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 03:29:40,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 03:29:40,346 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 03:29:40,346 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 03:29:40,348 INFO L432 ainManager$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 [2022-07-23 03:29:40,397 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0d0da824/d3b81f3ec1e24869b677ff93d98c375f/FLAG669da7f5f [2022-07-23 03:29:41,214 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 03:29:41,215 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 [2022-07-23 03:29:41,273 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0d0da824/d3b81f3ec1e24869b677ff93d98c375f/FLAG669da7f5f [2022-07-23 03:29:41,430 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0d0da824/d3b81f3ec1e24869b677ff93d98c375f [2022-07-23 03:29:41,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 03:29:41,434 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 03:29:41,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 03:29:41,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 03:29:41,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 03:29:41,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:29:41" (1/1) ... [2022-07-23 03:29:41,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@530c37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:29:41, skipping insertion in model container [2022-07-23 03:29:41,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:29:41" (1/1) ... [2022-07-23 03:29:41,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 03:29:41,608 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:29:45,284 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] [2022-07-23 03:29:45,287 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] [2022-07-23 03:29:45,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:29:45,369 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 03:29:45,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:29:45,735 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] [2022-07-23 03:29:45,736 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] [2022-07-23 03:29:45,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:29:45,783 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 03:29:46,134 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] [2022-07-23 03:29:46,135 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] [2022-07-23 03:29:46,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:29:46,469 INFO L208 MainTranslator]: Completed translation [2022-07-23 03:29:46,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:29:46 WrapperNode [2022-07-23 03:29:46,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 03:29:46,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 03:29:46,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 03:29:46,472 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 03:29:46,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:29:46" (1/1) ... [2022-07-23 03:29:46,603 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:29:46" (1/1) ... [2022-07-23 03:29:46,934 INFO L137 Inliner]: procedures = 488, calls = 4713, calls flagged for inlining = 228, calls inlined = 198, statements flattened = 8753 [2022-07-23 03:29:46,934 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 03:29:46,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 03:29:46,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 03:29:46,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 03:29:46,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:29:46" (1/1) ... [2022-07-23 03:29:46,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:29:46" (1/1) ... [2022-07-23 03:29:46,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:29:46" (1/1) ... [2022-07-23 03:29:46,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:29:46" (1/1) ... [2022-07-23 03:29:47,097 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:29:46" (1/1) ... [2022-07-23 03:29:47,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:29:46" (1/1) ... [2022-07-23 03:29:47,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:29:46" (1/1) ... [2022-07-23 03:29:47,195 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 03:29:47,196 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 03:29:47,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 03:29:47,196 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 03:29:47,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:29:46" (1/1) ... [2022-07-23 03:29:47,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:29:47,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 03:29:47,229 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 03:29:47,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 03:29:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2022-07-23 03:29:47,271 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2022-07-23 03:29:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-07-23 03:29:47,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-07-23 03:29:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2022-07-23 03:29:47,272 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2022-07-23 03:29:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2022-07-23 03:29:47,272 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2022-07-23 03:29:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 03:29:47,272 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 03:29:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2022-07-23 03:29:47,272 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2022-07-23 03:29:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2022-07-23 03:29:47,273 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2022-07-23 03:29:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 03:29:47,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 03:29:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2022-07-23 03:29:47,273 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2022-07-23 03:29:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2022-07-23 03:29:47,273 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2022-07-23 03:29:47,274 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2022-07-23 03:29:47,274 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2022-07-23 03:29:47,274 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2022-07-23 03:29:47,274 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2022-07-23 03:29:47,274 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2022-07-23 03:29:47,274 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2022-07-23 03:29:47,275 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2022-07-23 03:29:47,275 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2022-07-23 03:29:47,275 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2022-07-23 03:29:47,275 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2022-07-23 03:29:47,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 03:29:47,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 03:29:47,275 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-07-23 03:29:47,275 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-07-23 03:29:47,276 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 03:29:47,276 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 03:29:47,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 03:29:47,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 03:29:47,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 03:29:47,276 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2022-07-23 03:29:47,276 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2022-07-23 03:29:47,277 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2022-07-23 03:29:47,277 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2022-07-23 03:29:47,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-23 03:29:47,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 03:29:47,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 03:29:47,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 03:29:47,278 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2022-07-23 03:29:47,279 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2022-07-23 03:29:47,279 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-23 03:29:47,279 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-23 03:29:47,279 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 03:29:47,279 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 03:29:47,279 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2022-07-23 03:29:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2022-07-23 03:29:47,280 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2022-07-23 03:29:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2022-07-23 03:29:47,280 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2022-07-23 03:29:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2022-07-23 03:29:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2022-07-23 03:29:47,281 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2022-07-23 03:29:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2022-07-23 03:29:47,281 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2022-07-23 03:29:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2022-07-23 03:29:47,281 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2022-07-23 03:29:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 03:29:47,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 03:29:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2022-07-23 03:29:47,282 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2022-07-23 03:29:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2022-07-23 03:29:47,282 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2022-07-23 03:29:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-23 03:29:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-23 03:29:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2022-07-23 03:29:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2022-07-23 03:29:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 03:29:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 03:29:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 03:29:47,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 03:29:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 03:29:47,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 03:29:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2022-07-23 03:29:47,284 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2022-07-23 03:29:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2022-07-23 03:29:47,285 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2022-07-23 03:29:47,285 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2022-07-23 03:29:47,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2022-07-23 03:29:47,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 03:29:47,286 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2022-07-23 03:29:47,286 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2022-07-23 03:29:47,286 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2022-07-23 03:29:47,286 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2022-07-23 03:29:47,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-23 03:29:47,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-23 03:29:47,286 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2022-07-23 03:29:47,286 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2022-07-23 03:29:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-23 03:29:47,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-23 03:29:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 03:29:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2022-07-23 03:29:47,287 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2022-07-23 03:29:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 03:29:47,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 03:29:47,288 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2022-07-23 03:29:47,288 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2022-07-23 03:29:47,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 03:29:47,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 03:29:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 03:29:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2022-07-23 03:29:47,291 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2022-07-23 03:29:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 03:29:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2022-07-23 03:29:47,295 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2022-07-23 03:29:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2022-07-23 03:29:47,295 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2022-07-23 03:29:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-23 03:29:47,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-23 03:29:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-23 03:29:47,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-23 03:29:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2022-07-23 03:29:47,295 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2022-07-23 03:29:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-23 03:29:47,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-23 03:29:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2022-07-23 03:29:47,296 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2022-07-23 03:29:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-07-23 03:29:47,296 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-07-23 03:29:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 03:29:47,296 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 03:29:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 03:29:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 03:29:47,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 03:29:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-23 03:29:47,296 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-23 03:29:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-23 03:29:47,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-23 03:29:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 03:29:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 03:29:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 03:29:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 03:29:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 03:29:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 03:29:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 03:29:47,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 03:29:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-07-23 03:29:47,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-07-23 03:29:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-23 03:29:47,297 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-23 03:29:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2022-07-23 03:29:47,297 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2022-07-23 03:29:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 03:29:47,297 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 03:29:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2022-07-23 03:29:47,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2022-07-23 03:29:47,298 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-23 03:29:47,298 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-23 03:29:47,298 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2022-07-23 03:29:47,298 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2022-07-23 03:29:47,298 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2022-07-23 03:29:47,298 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2022-07-23 03:29:47,298 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2022-07-23 03:29:47,298 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2022-07-23 03:29:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 03:29:47,299 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 03:29:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2022-07-23 03:29:47,299 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2022-07-23 03:29:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 03:29:47,299 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 03:29:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-23 03:29:47,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-23 03:29:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 03:29:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 03:29:47,300 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 03:29:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2022-07-23 03:29:47,300 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2022-07-23 03:29:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 03:29:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2022-07-23 03:29:47,300 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2022-07-23 03:29:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2022-07-23 03:29:47,300 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2022-07-23 03:29:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2022-07-23 03:29:47,301 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2022-07-23 03:29:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 03:29:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 03:29:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 03:29:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-23 03:29:47,301 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-23 03:29:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 03:29:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 03:29:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2022-07-23 03:29:47,302 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2022-07-23 03:29:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-23 03:29:47,302 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-23 03:29:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2022-07-23 03:29:47,302 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2022-07-23 03:29:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-23 03:29:47,302 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-23 03:29:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 03:29:47,302 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 03:29:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2022-07-23 03:29:47,303 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2022-07-23 03:29:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 03:29:47,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 03:29:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-23 03:29:47,303 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-23 03:29:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2022-07-23 03:29:47,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2022-07-23 03:29:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-23 03:29:47,304 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-23 03:29:47,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-23 03:29:47,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-23 03:29:47,304 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2022-07-23 03:29:47,304 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2022-07-23 03:29:47,304 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-07-23 03:29:47,304 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-07-23 03:29:47,304 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 03:29:47,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 03:29:47,305 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2022-07-23 03:29:47,305 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2022-07-23 03:29:47,305 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 03:29:47,305 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 03:29:47,305 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2022-07-23 03:29:47,305 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2022-07-23 03:29:47,305 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2022-07-23 03:29:47,305 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2022-07-23 03:29:47,305 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2022-07-23 03:29:47,306 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2022-07-23 03:29:47,306 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2022-07-23 03:29:47,306 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2022-07-23 03:29:47,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 03:29:47,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 03:29:47,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 03:29:47,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 03:29:47,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 03:29:47,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 03:29:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2022-07-23 03:29:47,307 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2022-07-23 03:29:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-07-23 03:29:47,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-07-23 03:29:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-23 03:29:47,307 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-23 03:29:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2022-07-23 03:29:47,307 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2022-07-23 03:29:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 03:29:47,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 03:29:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-23 03:29:47,308 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-23 03:29:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2022-07-23 03:29:47,308 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2022-07-23 03:29:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2022-07-23 03:29:47,308 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2022-07-23 03:29:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2022-07-23 03:29:47,308 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2022-07-23 03:29:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2022-07-23 03:29:47,309 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2022-07-23 03:29:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2022-07-23 03:29:47,309 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2022-07-23 03:29:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-07-23 03:29:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-23 03:29:47,309 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-23 03:29:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2022-07-23 03:29:47,309 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2022-07-23 03:29:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 03:29:47,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 03:29:48,315 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 03:29:48,321 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 03:29:56,270 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 03:32:11,401 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 03:32:18,567 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 03:32:18,592 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 03:32:18,592 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 03:32:18,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:32:18 BoogieIcfgContainer [2022-07-23 03:32:18,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 03:32:18,598 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 03:32:18,599 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 03:32:18,601 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 03:32:18,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 03:29:41" (1/3) ... [2022-07-23 03:32:18,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2628bf37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:32:18, skipping insertion in model container [2022-07-23 03:32:18,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:29:46" (2/3) ... [2022-07-23 03:32:18,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2628bf37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:32:18, skipping insertion in model container [2022-07-23 03:32:18,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:32:18" (3/3) ... [2022-07-23 03:32:18,604 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2022-07-23 03:32:18,614 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 03:32:18,614 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 03:32:18,713 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 03:32:18,718 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@20a314ab, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@30ba6a5b [2022-07-23 03:32:18,718 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 03:32:18,729 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) [2022-07-23 03:32:18,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2022-07-23 03:32:18,766 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:32:18,767 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] [2022-07-23 03:32:18,767 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:32:18,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:32:18,773 INFO L85 PathProgramCache]: Analyzing trace with hash -894127153, now seen corresponding path program 1 times [2022-07-23 03:32:18,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:32:18,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [214611703] [2022-07-23 03:32:18,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:32:18,790 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:32:18,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:32:18,795 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 03:32:18,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 03:32:22,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:23,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 4413 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:32:23,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:32:24,004 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-23 03:32:24,004 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:32:24,004 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:32:24,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [214611703] [2022-07-23 03:32:24,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [214611703] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:32:24,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:32:24,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:32:24,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752140965] [2022-07-23 03:32:24,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:32:24,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:32:24,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:32:24,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:32:24,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:32:24,043 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) [2022-07-23 03:32:26,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:32:26,444 INFO L93 Difference]: Finished difference Result 7772 states and 11415 transitions. [2022-07-23 03:32:26,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:32:26,447 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 [2022-07-23 03:32:26,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:32:26,497 INFO L225 Difference]: With dead ends: 7772 [2022-07-23 03:32:26,497 INFO L226 Difference]: Without dead ends: 5097 [2022-07-23 03:32:26,522 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 [2022-07-23 03:32:26,527 INFO L413 NwaCegarLoop]: 4448 mSDtfsCounter, 3565 mSDsluCounter, 3755 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3565 SdHoareTripleChecker+Valid, 8203 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-23 03:32:26,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3565 Valid, 8203 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-23 03:32:26,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5097 states. [2022-07-23 03:32:26,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5097 to 5091. [2022-07-23 03:32:26,792 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) [2022-07-23 03:32:26,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5091 states to 5091 states and 7246 transitions. [2022-07-23 03:32:26,831 INFO L78 Accepts]: Start accepts. Automaton has 5091 states and 7246 transitions. Word has length 457 [2022-07-23 03:32:26,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:32:26,834 INFO L495 AbstractCegarLoop]: Abstraction has 5091 states and 7246 transitions. [2022-07-23 03:32:26,834 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) [2022-07-23 03:32:26,834 INFO L276 IsEmpty]: Start isEmpty. Operand 5091 states and 7246 transitions. [2022-07-23 03:32:26,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2022-07-23 03:32:26,848 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:32:26,849 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] [2022-07-23 03:32:26,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-23 03:32:27,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:32:27,076 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:32:27,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:32:27,077 INFO L85 PathProgramCache]: Analyzing trace with hash 518699637, now seen corresponding path program 1 times [2022-07-23 03:32:27,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:32:27,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1544078121] [2022-07-23 03:32:27,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:32:27,083 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:32:27,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:32:27,092 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 03:32:27,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 03:32:30,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:31,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 4414 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:32:31,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:32:31,864 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-23 03:32:31,864 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:32:31,865 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:32:31,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1544078121] [2022-07-23 03:32:31,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1544078121] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:32:31,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:32:31,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:32:31,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085678056] [2022-07-23 03:32:31,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:32:31,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:32:31,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:32:31,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:32:31,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:32:31,870 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) [2022-07-23 03:32:34,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:32:34,192 INFO L93 Difference]: Finished difference Result 14971 states and 21292 transitions. [2022-07-23 03:32:34,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:32:34,193 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 [2022-07-23 03:32:34,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:32:34,262 INFO L225 Difference]: With dead ends: 14971 [2022-07-23 03:32:34,262 INFO L226 Difference]: Without dead ends: 9957 [2022-07-23 03:32:34,290 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 [2022-07-23 03:32:34,291 INFO L413 NwaCegarLoop]: 4429 mSDtfsCounter, 3496 mSDsluCounter, 3687 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s 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, 2.0s IncrementalHoareTripleChecker+Time [2022-07-23 03:32:34,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3496 Valid, 8116 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-23 03:32:34,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9957 states. [2022-07-23 03:32:34,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9957 to 9949. [2022-07-23 03:32:34,626 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) [2022-07-23 03:32:34,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9949 states to 9949 states and 14132 transitions. [2022-07-23 03:32:34,670 INFO L78 Accepts]: Start accepts. Automaton has 9949 states and 14132 transitions. Word has length 458 [2022-07-23 03:32:34,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:32:34,672 INFO L495 AbstractCegarLoop]: Abstraction has 9949 states and 14132 transitions. [2022-07-23 03:32:34,672 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) [2022-07-23 03:32:34,673 INFO L276 IsEmpty]: Start isEmpty. Operand 9949 states and 14132 transitions. [2022-07-23 03:32:34,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2022-07-23 03:32:34,682 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:32:34,682 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] [2022-07-23 03:32:34,794 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-23 03:32:34,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:32:34,904 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:32:34,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:32:34,905 INFO L85 PathProgramCache]: Analyzing trace with hash 280828728, now seen corresponding path program 1 times [2022-07-23 03:32:34,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:32:34,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2051604435] [2022-07-23 03:32:34,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:32:34,909 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:32:34,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:32:34,911 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 03:32:34,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 03:32:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:39,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 4412 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:32:39,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:32:39,776 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-23 03:32:39,776 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:32:39,776 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:32:39,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2051604435] [2022-07-23 03:32:39,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2051604435] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:32:39,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:32:39,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:32:39,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561502148] [2022-07-23 03:32:39,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:32:39,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:32:39,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:32:39,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:32:39,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:32:39,779 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) [2022-07-23 03:32:42,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:32:42,118 INFO L93 Difference]: Finished difference Result 29154 states and 41403 transitions. [2022-07-23 03:32:42,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:32:42,119 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 [2022-07-23 03:32:42,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:32:42,234 INFO L225 Difference]: With dead ends: 29154 [2022-07-23 03:32:42,234 INFO L226 Difference]: Without dead ends: 19282 [2022-07-23 03:32:42,359 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 [2022-07-23 03:32:42,362 INFO L413 NwaCegarLoop]: 4647 mSDtfsCounter, 3496 mSDsluCounter, 3685 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s 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, 2.0s IncrementalHoareTripleChecker+Time [2022-07-23 03:32:42,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3496 Valid, 8332 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-23 03:32:42,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19282 states. [2022-07-23 03:32:42,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19282 to 19278. [2022-07-23 03:32:43,006 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) [2022-07-23 03:32:43,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19278 states to 19278 states and 27341 transitions. [2022-07-23 03:32:43,095 INFO L78 Accepts]: Start accepts. Automaton has 19278 states and 27341 transitions. Word has length 456 [2022-07-23 03:32:43,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:32:43,096 INFO L495 AbstractCegarLoop]: Abstraction has 19278 states and 27341 transitions. [2022-07-23 03:32:43,097 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) [2022-07-23 03:32:43,097 INFO L276 IsEmpty]: Start isEmpty. Operand 19278 states and 27341 transitions. [2022-07-23 03:32:43,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2022-07-23 03:32:43,108 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:32:43,108 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] [2022-07-23 03:32:43,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 03:32:43,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:32:43,332 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:32:43,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:32:43,332 INFO L85 PathProgramCache]: Analyzing trace with hash 899187853, now seen corresponding path program 1 times [2022-07-23 03:32:43,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:32:43,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1773588794] [2022-07-23 03:32:43,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:32:43,338 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:32:43,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:32:43,339 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 03:32:43,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 03:32:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:47,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 4392 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:32:47,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:32:48,155 INFO L134 CoverageAnalysis]: Checked inductivity of 5781 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5673 trivial. 0 not checked. [2022-07-23 03:32:48,155 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:32:48,155 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:32:48,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1773588794] [2022-07-23 03:32:48,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1773588794] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:32:48,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:32:48,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:32:48,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29080407] [2022-07-23 03:32:48,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:32:48,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:32:48,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:32:48,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:32:48,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:32:48,158 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) [2022-07-23 03:32:51,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:32:51,322 INFO L93 Difference]: Finished difference Result 49077 states and 69156 transitions. [2022-07-23 03:32:51,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:32:51,322 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 [2022-07-23 03:32:51,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:32:51,439 INFO L225 Difference]: With dead ends: 49077 [2022-07-23 03:32:51,440 INFO L226 Difference]: Without dead ends: 29876 [2022-07-23 03:32:51,502 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 [2022-07-23 03:32:51,504 INFO L413 NwaCegarLoop]: 4345 mSDtfsCounter, 2041 mSDsluCounter, 3652 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2041 SdHoareTripleChecker+Valid, 7997 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-23 03:32:51,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2041 Valid, 7997 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-23 03:32:51,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29876 states. [2022-07-23 03:32:52,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29876 to 29858. [2022-07-23 03:32:52,776 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) [2022-07-23 03:32:53,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29858 states to 29858 states and 41839 transitions. [2022-07-23 03:32:53,093 INFO L78 Accepts]: Start accepts. Automaton has 29858 states and 41839 transitions. Word has length 462 [2022-07-23 03:32:53,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:32:53,096 INFO L495 AbstractCegarLoop]: Abstraction has 29858 states and 41839 transitions. [2022-07-23 03:32:53,096 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) [2022-07-23 03:32:53,096 INFO L276 IsEmpty]: Start isEmpty. Operand 29858 states and 41839 transitions. [2022-07-23 03:32:53,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2022-07-23 03:32:53,111 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:32:53,111 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] [2022-07-23 03:32:53,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-23 03:32:53,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:32:53,330 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:32:53,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:32:53,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1881844334, now seen corresponding path program 1 times [2022-07-23 03:32:53,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:32:53,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [740124548] [2022-07-23 03:32:53,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:32:53,336 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:32:53,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:32:53,337 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 03:32:53,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-23 03:32:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:32:57,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 4448 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:32:57,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:32:58,231 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-23 03:32:58,232 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:32:58,232 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:32:58,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [740124548] [2022-07-23 03:32:58,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [740124548] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:32:58,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:32:58,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:32:58,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621802466] [2022-07-23 03:32:58,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:32:58,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:32:58,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:32:58,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:32:58,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:32:58,240 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) [2022-07-23 03:33:00,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:33:00,616 INFO L93 Difference]: Finished difference Result 86479 states and 121235 transitions. [2022-07-23 03:33:00,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:33:00,617 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 [2022-07-23 03:33:00,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:33:00,838 INFO L225 Difference]: With dead ends: 86479 [2022-07-23 03:33:00,838 INFO L226 Difference]: Without dead ends: 56698 [2022-07-23 03:33:00,918 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 [2022-07-23 03:33:00,919 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, 1.4s IncrementalHoareTripleChecker+Time [2022-07-23 03:33:00,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3444 Valid, 8473 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-23 03:33:00,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56698 states. [2022-07-23 03:33:02,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56698 to 56664. [2022-07-23 03:33:02,555 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) [2022-07-23 03:33:02,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56664 states to 56664 states and 79300 transitions. [2022-07-23 03:33:02,813 INFO L78 Accepts]: Start accepts. Automaton has 56664 states and 79300 transitions. Word has length 473 [2022-07-23 03:33:02,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:33:02,814 INFO L495 AbstractCegarLoop]: Abstraction has 56664 states and 79300 transitions. [2022-07-23 03:33:02,814 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) [2022-07-23 03:33:02,814 INFO L276 IsEmpty]: Start isEmpty. Operand 56664 states and 79300 transitions. [2022-07-23 03:33:02,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2022-07-23 03:33:02,833 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:33:02,833 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] [2022-07-23 03:33:02,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-23 03:33:03,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:33:03,047 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:33:03,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:33:03,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1039367074, now seen corresponding path program 1 times [2022-07-23 03:33:03,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:33:03,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [806229322] [2022-07-23 03:33:03,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:33:03,050 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:33:03,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:33:03,052 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 03:33:03,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-23 03:33:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:06,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 4449 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:33:06,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:33:07,569 INFO L134 CoverageAnalysis]: Checked inductivity of 5901 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-23 03:33:07,569 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:33:07,569 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:33:07,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [806229322] [2022-07-23 03:33:07,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [806229322] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:33:07,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:33:07,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:33:07,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440321627] [2022-07-23 03:33:07,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:33:07,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:33:07,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:33:07,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:33:07,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:33:07,571 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) [2022-07-23 03:33:10,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:33:10,322 INFO L93 Difference]: Finished difference Result 114708 states and 160229 transitions. [2022-07-23 03:33:10,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:33:10,322 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 [2022-07-23 03:33:10,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:33:10,562 INFO L225 Difference]: With dead ends: 114708 [2022-07-23 03:33:10,562 INFO L226 Difference]: Without dead ends: 58121 [2022-07-23 03:33:10,855 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 [2022-07-23 03:33:10,855 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 [2022-07-23 03:33:10,855 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] [2022-07-23 03:33:10,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58121 states. [2022-07-23 03:33:12,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58121 to 58119. [2022-07-23 03:33:12,420 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) [2022-07-23 03:33:12,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58119 states to 58119 states and 81021 transitions. [2022-07-23 03:33:12,708 INFO L78 Accepts]: Start accepts. Automaton has 58119 states and 81021 transitions. Word has length 485 [2022-07-23 03:33:12,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:33:12,708 INFO L495 AbstractCegarLoop]: Abstraction has 58119 states and 81021 transitions. [2022-07-23 03:33:12,709 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) [2022-07-23 03:33:12,709 INFO L276 IsEmpty]: Start isEmpty. Operand 58119 states and 81021 transitions. [2022-07-23 03:33:12,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2022-07-23 03:33:12,715 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:33:12,715 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] [2022-07-23 03:33:12,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-07-23 03:33:12,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:33:12,944 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:33:12,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:33:12,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1996353760, now seen corresponding path program 1 times [2022-07-23 03:33:12,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:33:12,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1823786828] [2022-07-23 03:33:12,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:33:12,947 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:33:12,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:33:12,984 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) [2022-07-23 03:33:12,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-23 03:33:16,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:16,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 4489 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:33:16,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:33:17,548 INFO L134 CoverageAnalysis]: Checked inductivity of 5909 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-23 03:33:17,548 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:33:17,548 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:33:17,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1823786828] [2022-07-23 03:33:17,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1823786828] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:33:17,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:33:17,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:33:17,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968750573] [2022-07-23 03:33:17,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:33:17,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:33:17,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:33:17,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:33:17,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:33:17,550 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) [2022-07-23 03:33:20,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:33:20,141 INFO L93 Difference]: Finished difference Result 172042 states and 239994 transitions. [2022-07-23 03:33:20,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:33:20,142 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 [2022-07-23 03:33:20,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:33:20,743 INFO L225 Difference]: With dead ends: 172042 [2022-07-23 03:33:20,743 INFO L226 Difference]: Without dead ends: 114000 [2022-07-23 03:33:20,904 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 [2022-07-23 03:33:20,904 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 [2022-07-23 03:33:20,905 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] [2022-07-23 03:33:20,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114000 states. [2022-07-23 03:33:23,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114000 to 113966. [2022-07-23 03:33:24,053 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) [2022-07-23 03:33:24,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113966 states to 113966 states and 158954 transitions. [2022-07-23 03:33:24,547 INFO L78 Accepts]: Start accepts. Automaton has 113966 states and 158954 transitions. Word has length 500 [2022-07-23 03:33:24,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:33:24,548 INFO L495 AbstractCegarLoop]: Abstraction has 113966 states and 158954 transitions. [2022-07-23 03:33:24,548 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) [2022-07-23 03:33:24,549 INFO L276 IsEmpty]: Start isEmpty. Operand 113966 states and 158954 transitions. [2022-07-23 03:33:24,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2022-07-23 03:33:24,568 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:33:24,569 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] [2022-07-23 03:33:24,867 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-23 03:33:25,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:33:25,049 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:33:25,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:33:25,049 INFO L85 PathProgramCache]: Analyzing trace with hash -524716183, now seen corresponding path program 1 times [2022-07-23 03:33:25,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:33:25,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [158982498] [2022-07-23 03:33:25,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:33:25,053 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:33:25,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:33:25,054 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) [2022-07-23 03:33:25,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-23 03:33:28,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:33:28,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 4580 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 03:33:28,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:33:29,473 INFO L134 CoverageAnalysis]: Checked inductivity of 6294 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 6024 trivial. 0 not checked. [2022-07-23 03:33:29,474 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:33:29,474 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:33:29,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [158982498] [2022-07-23 03:33:29,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [158982498] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:33:29,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:33:29,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 03:33:29,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328849062] [2022-07-23 03:33:29,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:33:29,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 03:33:29,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:33:29,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 03:33:29,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 03:33:29,476 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) [2022-07-23 03:33:35,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:33:35,631 INFO L93 Difference]: Finished difference Result 337106 states and 470704 transitions. [2022-07-23 03:33:35,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 03:33:35,632 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 [2022-07-23 03:33:35,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:33:36,685 INFO L225 Difference]: With dead ends: 337106 [2022-07-23 03:33:36,685 INFO L226 Difference]: Without dead ends: 223432 [2022-07-23 03:33:37,252 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 [2022-07-23 03:33:37,253 INFO L413 NwaCegarLoop]: 7260 mSDtfsCounter, 3522 mSDsluCounter, 3702 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3522 SdHoareTripleChecker+Valid, 10962 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-23 03:33:37,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3522 Valid, 10962 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-23 03:33:37,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223432 states.