./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.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 039eab12e50993f4fa37adc6de2fecb3561458fa83d70d097739d1ded7d4af34 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 01:26:35,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 01:26:35,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 01:26:35,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 01:26:35,824 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 01:26:35,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 01:26:35,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 01:26:35,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 01:26:35,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 01:26:35,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 01:26:35,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 01:26:35,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 01:26:35,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 01:26:35,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 01:26:35,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 01:26:35,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 01:26:35,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 01:26:35,847 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 01:26:35,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 01:26:35,853 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 01:26:35,855 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 01:26:35,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 01:26:35,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 01:26:35,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 01:26:35,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 01:26:35,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 01:26:35,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 01:26:35,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 01:26:35,868 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 01:26:35,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 01:26:35,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 01:26:35,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 01:26:35,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 01:26:35,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 01:26:35,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 01:26:35,873 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 01:26:35,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 01:26:35,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 01:26:35,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 01:26:35,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 01:26:35,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 01:26:35,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 01:26:35,878 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 01:26:35,907 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 01:26:35,907 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 01:26:35,908 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 01:26:35,908 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 01:26:35,909 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 01:26:35,909 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 01:26:35,909 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 01:26:35,910 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 01:26:35,910 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 01:26:35,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 01:26:35,911 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 01:26:35,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 01:26:35,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 01:26:35,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 01:26:35,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 01:26:35,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 01:26:35,912 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 01:26:35,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 01:26:35,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 01:26:35,913 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 01:26:35,913 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 01:26:35,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:26:35,913 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 01:26:35,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 01:26:35,914 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 01:26:35,914 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 01:26:35,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 01:26:35,914 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 01:26:35,914 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 01:26:35,915 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 01:26:35,915 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 039eab12e50993f4fa37adc6de2fecb3561458fa83d70d097739d1ded7d4af34 [2022-07-20 01:26:36,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 01:26:36,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 01:26:36,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 01:26:36,187 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 01:26:36,188 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 01:26:36,189 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2022-07-20 01:26:36,260 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6aee83823/ec71e8d4a9334f5c9279431155507d1b/FLAG1392fd28d [2022-07-20 01:26:37,113 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 01:26:37,114 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2022-07-20 01:26:37,171 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6aee83823/ec71e8d4a9334f5c9279431155507d1b/FLAG1392fd28d [2022-07-20 01:26:37,234 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6aee83823/ec71e8d4a9334f5c9279431155507d1b [2022-07-20 01:26:37,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 01:26:37,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 01:26:37,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 01:26:37,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 01:26:37,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 01:26:37,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:26:37" (1/1) ... [2022-07-20 01:26:37,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56fde9d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:26:37, skipping insertion in model container [2022-07-20 01:26:37,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:26:37" (1/1) ... [2022-07-20 01:26:37,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 01:26:37,465 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:26:42,229 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i[485718,485731] [2022-07-20 01:26:42,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:26:42,438 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 01:26:42,629 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:2268) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:310) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-20 01:26:42,637 INFO L158 Benchmark]: Toolchain (without parser) took 5397.49ms. Allocated memory was 92.3MB in the beginning and 184.5MB in the end (delta: 92.3MB). Free memory was 57.5MB in the beginning and 82.5MB in the end (delta: -25.0MB). Peak memory consumption was 97.2MB. Max. memory is 16.1GB. [2022-07-20 01:26:42,638 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 92.3MB. Free memory was 46.9MB in the beginning and 46.8MB in the end (delta: 47.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 01:26:42,640 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5394.73ms. Allocated memory was 92.3MB in the beginning and 184.5MB in the end (delta: 92.3MB). Free memory was 57.2MB in the beginning and 82.5MB in the end (delta: -25.2MB). Peak memory consumption was 97.2MB. Max. memory is 16.1GB. [2022-07-20 01:26:42,642 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 92.3MB. Free memory was 46.9MB in the beginning and 46.8MB in the end (delta: 47.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5394.73ms. Allocated memory was 92.3MB in the beginning and 184.5MB in the end (delta: 92.3MB). Free memory was 57.2MB in the beginning and 82.5MB in the end (delta: -25.2MB). Peak memory consumption was 97.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.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 039eab12e50993f4fa37adc6de2fecb3561458fa83d70d097739d1ded7d4af34 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 01:26:44,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 01:26:44,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 01:26:44,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 01:26:44,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 01:26:44,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 01:26:44,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 01:26:44,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 01:26:44,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 01:26:44,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 01:26:44,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 01:26:44,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 01:26:44,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 01:26:44,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 01:26:44,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 01:26:44,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 01:26:44,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 01:26:44,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 01:26:44,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 01:26:44,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 01:26:44,728 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 01:26:44,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 01:26:44,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 01:26:44,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 01:26:44,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 01:26:44,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 01:26:44,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 01:26:44,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 01:26:44,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 01:26:44,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 01:26:44,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 01:26:44,747 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 01:26:44,749 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 01:26:44,750 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 01:26:44,751 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 01:26:44,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 01:26:44,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 01:26:44,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 01:26:44,753 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 01:26:44,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 01:26:44,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 01:26:44,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 01:26:44,765 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 01:26:44,800 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 01:26:44,801 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 01:26:44,801 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 01:26:44,802 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 01:26:44,802 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 01:26:44,803 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 01:26:44,804 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 01:26:44,804 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 01:26:44,804 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 01:26:44,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 01:26:44,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 01:26:44,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 01:26:44,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 01:26:44,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 01:26:44,806 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 01:26:44,807 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 01:26:44,807 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 01:26:44,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 01:26:44,807 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 01:26:44,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 01:26:44,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 01:26:44,808 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 01:26:44,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 01:26:44,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:26:44,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 01:26:44,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 01:26:44,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 01:26:44,810 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 01:26:44,810 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 01:26:44,810 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 01:26:44,811 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 01:26:44,811 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 01:26:44,811 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 01:26:44,811 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 039eab12e50993f4fa37adc6de2fecb3561458fa83d70d097739d1ded7d4af34 [2022-07-20 01:26:45,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 01:26:45,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 01:26:45,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 01:26:45,212 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 01:26:45,214 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 01:26:45,215 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2022-07-20 01:26:45,273 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c8323c62/c903197df75d4db2b954ed7a56e45d59/FLAG7fc4b8a4d [2022-07-20 01:26:46,293 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 01:26:46,294 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2022-07-20 01:26:46,369 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c8323c62/c903197df75d4db2b954ed7a56e45d59/FLAG7fc4b8a4d [2022-07-20 01:26:46,620 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c8323c62/c903197df75d4db2b954ed7a56e45d59 [2022-07-20 01:26:46,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 01:26:46,632 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 01:26:46,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 01:26:46,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 01:26:46,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 01:26:46,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:26:46" (1/1) ... [2022-07-20 01:26:46,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cbfe728 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:26:46, skipping insertion in model container [2022-07-20 01:26:46,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:26:46" (1/1) ... [2022-07-20 01:26:46,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 01:26:46,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:26:51,208 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i[485718,485731] [2022-07-20 01:26:51,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:26:51,406 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 01:26:51,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:26:51,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i[485718,485731] [2022-07-20 01:26:52,026 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:26:52,078 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 01:26:52,601 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i[485718,485731] [2022-07-20 01:26:52,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:26:52,927 INFO L208 MainTranslator]: Completed translation [2022-07-20 01:26:52,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:26:52 WrapperNode [2022-07-20 01:26:52,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 01:26:52,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 01:26:52,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 01:26:52,930 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 01:26:52,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:26:52" (1/1) ... [2022-07-20 01:26:53,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:26:52" (1/1) ... [2022-07-20 01:26:53,331 INFO L137 Inliner]: procedures = 541, calls = 6245, calls flagged for inlining = 183, calls inlined = 161, statements flattened = 7380 [2022-07-20 01:26:53,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 01:26:53,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 01:26:53,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 01:26:53,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 01:26:53,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:26:52" (1/1) ... [2022-07-20 01:26:53,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:26:52" (1/1) ... [2022-07-20 01:26:53,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:26:52" (1/1) ... [2022-07-20 01:26:53,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:26:52" (1/1) ... [2022-07-20 01:26:53,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:26:52" (1/1) ... [2022-07-20 01:26:53,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:26:52" (1/1) ... [2022-07-20 01:26:53,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:26:52" (1/1) ... [2022-07-20 01:26:53,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 01:26:53,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 01:26:53,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 01:26:53,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 01:26:53,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:26:52" (1/1) ... [2022-07-20 01:26:53,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:26:53,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 01:26:53,741 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 01:26:53,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 01:26:53,779 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_le_to_cpu [2022-07-20 01:26:53,779 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_le_to_cpu [2022-07-20 01:26:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_eth_tx_timeout [2022-07-20 01:26:53,780 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_eth_tx_timeout [2022-07-20 01:26:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_5 [2022-07-20 01:26:53,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_5 [2022-07-20 01:26:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-20 01:26:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-20 01:26:53,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-20 01:26:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 01:26:53,781 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 01:26:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_trigger [2022-07-20 01:26:53,781 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_trigger [2022-07-20 01:26:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 01:26:53,782 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 01:26:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-20 01:26:53,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-20 01:26:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 01:26:53,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 01:26:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_mib_mode_helper [2022-07-20 01:26:53,782 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_mib_mode_helper [2022-07-20 01:26:53,783 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-07-20 01:26:53,783 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-07-20 01:26:53,783 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 01:26:53,783 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 01:26:53,783 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-20 01:26:53,783 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-20 01:26:53,784 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_request [2022-07-20 01:26:53,784 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_request [2022-07-20 01:26:53,784 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_cpu_to_le [2022-07-20 01:26:53,784 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_cpu_to_le [2022-07-20 01:26:53,784 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_get_state [2022-07-20 01:26:53,784 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_get_state [2022-07-20 01:26:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-20 01:26:53,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-20 01:26:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 01:26:53,785 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 01:26:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 01:26:53,785 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 01:26:53,786 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_release [2022-07-20 01:26:53,786 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_release [2022-07-20 01:26:53,786 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 01:26:53,786 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 01:26:53,786 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-20 01:26:53,786 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-20 01:26:53,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 01:26:53,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-20 01:26:53,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 01:26:53,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 01:26:53,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-20 01:26:53,787 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-20 01:26:53,787 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-20 01:26:53,788 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 01:26:53,788 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 01:26:53,788 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-20 01:26:53,788 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-20 01:26:53,788 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set [2022-07-20 01:26:53,788 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set [2022-07-20 01:26:53,788 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 01:26:53,789 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 01:26:53,789 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-20 01:26:53,789 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-20 01:26:53,789 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_reset [2022-07-20 01:26:53,789 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_reset [2022-07-20 01:26:53,789 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 01:26:53,790 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 01:26:53,790 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-07-20 01:26:53,790 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-07-20 01:26:53,790 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-20 01:26:53,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-20 01:26:53,790 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 01:26:53,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 01:26:53,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 01:26:53,791 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 01:26:53,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-20 01:26:53,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-20 01:26:53,791 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_set_mac_address [2022-07-20 01:26:53,791 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_set_mac_address [2022-07-20 01:26:53,792 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_resume [2022-07-20 01:26:53,792 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_resume [2022-07-20 01:26:53,792 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 01:26:53,792 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 01:26:53,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 01:26:53,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 01:26:53,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 01:26:53,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-07-20 01:26:53,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 01:26:53,793 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 01:26:53,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 01:26:53,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 01:26:53,793 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-20 01:26:53,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-20 01:26:53,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-20 01:26:53,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-20 01:26:53,794 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-20 01:26:53,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-20 01:26:53,794 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-20 01:26:53,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-20 01:26:53,795 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-20 01:26:53,795 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-20 01:26:53,795 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-20 01:26:53,795 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-20 01:26:53,795 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-07-20 01:26:53,795 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-07-20 01:26:53,795 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-20 01:26:53,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-20 01:26:53,796 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-20 01:26:53,796 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-20 01:26:53,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-20 01:26:53,796 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2022-07-20 01:26:53,796 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2022-07-20 01:26:53,797 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2022-07-20 01:26:53,797 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2022-07-20 01:26:53,797 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-20 01:26:53,797 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-20 01:26:53,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 01:26:53,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 01:26:53,798 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-20 01:26:53,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-20 01:26:53,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 01:26:53,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-20 01:26:53,798 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-20 01:26:53,798 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_clear_mac [2022-07-20 01:26:53,799 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_clear_mac [2022-07-20 01:26:53,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 01:26:53,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 01:26:53,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 01:26:53,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 01:26:53,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 01:26:53,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 01:26:53,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 01:26:53,800 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-20 01:26:53,800 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-20 01:26:53,800 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-20 01:26:53,800 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-20 01:26:53,800 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-20 01:26:53,800 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-20 01:26:53,801 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_bring_down [2022-07-20 01:26:53,801 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_bring_down [2022-07-20 01:26:53,801 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-07-20 01:26:53,801 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-07-20 01:26:53,801 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-20 01:26:53,801 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-20 01:26:53,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 01:26:53,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 01:26:53,802 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-20 01:26:53,802 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-20 01:26:53,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 01:26:53,802 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 01:26:53,802 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 01:26:53,802 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 01:26:53,803 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 01:26:53,803 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 01:26:53,803 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-20 01:26:53,803 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-20 01:26:53,803 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-20 01:26:53,803 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-20 01:26:53,803 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-20 01:26:53,804 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-20 01:26:53,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 01:26:53,804 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 01:26:53,804 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 01:26:53,804 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_set_state [2022-07-20 01:26:53,804 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_set_state [2022-07-20 01:26:53,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 01:26:53,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-20 01:26:53,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-20 01:26:53,805 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-07-20 01:26:53,805 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-07-20 01:26:53,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-20 01:26:53,805 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-07-20 01:26:53,806 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-07-20 01:26:53,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 01:26:53,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 01:26:53,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 01:26:53,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 01:26:53,806 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-07-20 01:26:53,806 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-07-20 01:26:53,806 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-20 01:26:53,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-20 01:26:53,807 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-20 01:26:53,807 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-20 01:26:53,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-20 01:26:53,807 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-20 01:26:53,807 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-20 01:26:53,808 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-20 01:26:53,808 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 01:26:53,808 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 01:26:53,808 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_remove [2022-07-20 01:26:53,808 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_remove [2022-07-20 01:26:53,808 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_w32_flush [2022-07-20 01:26:53,808 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_w32_flush [2022-07-20 01:26:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-20 01:26:53,809 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-20 01:26:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-20 01:26:53,809 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-20 01:26:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-20 01:26:53,809 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-20 01:26:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit_list [2022-07-20 01:26:53,810 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit_list [2022-07-20 01:26:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-20 01:26:53,810 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-20 01:26:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single___1 [2022-07-20 01:26:53,810 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single___1 [2022-07-20 01:26:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 01:26:53,810 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 01:26:53,811 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgmt_rx_fill [2022-07-20 01:26:53,811 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgmt_rx_fill [2022-07-20 01:26:53,811 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_transaction [2022-07-20 01:26:53,811 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_transaction [2022-07-20 01:26:53,811 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 01:26:53,811 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 01:26:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure channel_of_freq [2022-07-20 01:26:53,812 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_of_freq [2022-07-20 01:26:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-20 01:26:53,812 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-20 01:26:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 01:26:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-20 01:26:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 01:26:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-20 01:26:53,813 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-20 01:26:53,813 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-20 01:26:53,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 01:26:53,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 01:26:53,813 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_free_memory [2022-07-20 01:26:53,813 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_free_memory [2022-07-20 01:26:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit [2022-07-20 01:26:53,814 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit [2022-07-20 01:26:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 01:26:53,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 01:26:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-20 01:26:53,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-20 01:26:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-20 01:26:53,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-20 01:26:53,815 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32s [2022-07-20 01:26:53,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32s [2022-07-20 01:26:53,815 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-07-20 01:26:53,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-07-20 01:26:53,815 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-20 01:26:53,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-20 01:26:53,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_5 [2022-07-20 01:26:53,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_5 [2022-07-20 01:26:53,816 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-20 01:26:53,816 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-20 01:26:53,816 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_in_queue [2022-07-20 01:26:53,816 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_in_queue [2022-07-20 01:26:53,816 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single___0 [2022-07-20 01:26:53,817 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single___0 [2022-07-20 01:26:53,817 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-20 01:26:53,817 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-20 01:26:53,817 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-20 01:26:53,817 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-20 01:26:53,817 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-20 01:26:53,817 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-20 01:26:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_disable_interrupts [2022-07-20 01:26:53,818 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_disable_interrupts [2022-07-20 01:26:54,697 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 01:26:54,700 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 01:26:58,018 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 01:27:52,235 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 01:27:52,253 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 01:27:52,253 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-20 01:27:52,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:27:52 BoogieIcfgContainer [2022-07-20 01:27:52,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 01:27:52,259 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 01:27:52,259 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 01:27:52,262 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 01:27:52,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:26:46" (1/3) ... [2022-07-20 01:27:52,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@155aef93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:27:52, skipping insertion in model container [2022-07-20 01:27:52,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:26:52" (2/3) ... [2022-07-20 01:27:52,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@155aef93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:27:52, skipping insertion in model container [2022-07-20 01:27:52,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:27:52" (3/3) ... [2022-07-20 01:27:52,264 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2022-07-20 01:27:52,276 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 01:27:52,276 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 01:27:52,368 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 01:27:52,377 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@283ad99e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2da7591a [2022-07-20 01:27:52,378 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 01:27:52,389 INFO L276 IsEmpty]: Start isEmpty. Operand has 1891 states, 1320 states have (on average 1.3106060606060606) internal successors, (1730), 1350 states have internal predecessors, (1730), 459 states have call successors, (459), 111 states have call predecessors, (459), 110 states have return successors, (451), 448 states have call predecessors, (451), 451 states have call successors, (451) [2022-07-20 01:27:52,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-07-20 01:27:52,419 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:27:52,420 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-20 01:27:52,421 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:27:52,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:27:52,425 INFO L85 PathProgramCache]: Analyzing trace with hash -363408964, now seen corresponding path program 1 times [2022-07-20 01:27:52,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:27:52,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [270353971] [2022-07-20 01:27:52,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:27:52,456 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:27:52,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:27:52,459 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 01:27:52,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 01:28:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:28:00,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 5404 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-20 01:28:00,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:28:00,816 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-07-20 01:28:00,816 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:28:00,817 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:28:00,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [270353971] [2022-07-20 01:28:00,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [270353971] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:28:00,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:28:00,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 01:28:00,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261607302] [2022-07-20 01:28:00,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:28:00,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-20 01:28:00,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:28:00,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-20 01:28:00,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-20 01:28:00,858 INFO L87 Difference]: Start difference. First operand has 1891 states, 1320 states have (on average 1.3106060606060606) internal successors, (1730), 1350 states have internal predecessors, (1730), 459 states have call successors, (459), 111 states have call predecessors, (459), 110 states have return successors, (451), 448 states have call predecessors, (451), 451 states have call successors, (451) Second operand has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-20 01:28:01,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:28:01,069 INFO L93 Difference]: Finished difference Result 3777 states and 5358 transitions. [2022-07-20 01:28:01,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-20 01:28:01,072 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 119 [2022-07-20 01:28:01,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:28:01,113 INFO L225 Difference]: With dead ends: 3777 [2022-07-20 01:28:01,114 INFO L226 Difference]: Without dead ends: 1843 [2022-07-20 01:28:01,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-20 01:28:01,151 INFO L413 NwaCegarLoop]: 2634 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2634 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 01:28:01,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2634 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 01:28:01,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2022-07-20 01:28:01,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1843. [2022-07-20 01:28:01,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1843 states, 1282 states have (on average 1.2870514820592824) internal successors, (1650), 1302 states have internal predecessors, (1650), 451 states have call successors, (451), 110 states have call predecessors, (451), 109 states have return successors, (450), 447 states have call predecessors, (450), 450 states have call successors, (450) [2022-07-20 01:28:01,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 2551 transitions. [2022-07-20 01:28:01,373 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 2551 transitions. Word has length 119 [2022-07-20 01:28:01,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:28:01,374 INFO L495 AbstractCegarLoop]: Abstraction has 1843 states and 2551 transitions. [2022-07-20 01:28:01,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-20 01:28:01,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2551 transitions. [2022-07-20 01:28:01,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-07-20 01:28:01,386 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:28:01,387 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-20 01:28:01,599 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-20 01:28:01,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:28:01,604 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:28:01,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:28:01,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1015622410, now seen corresponding path program 1 times [2022-07-20 01:28:01,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:28:01,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1735395686] [2022-07-20 01:28:01,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:28:01,612 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:28:01,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:28:01,613 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 01:28:01,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 01:28:09,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:28:09,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 5404 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-20 01:28:09,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:28:09,950 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-07-20 01:28:09,951 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:28:09,951 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:28:09,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1735395686] [2022-07-20 01:28:09,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1735395686] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:28:09,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:28:09,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:28:09,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253384937] [2022-07-20 01:28:09,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:28:09,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:28:09,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:28:09,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:28:09,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:28:09,955 INFO L87 Difference]: Start difference. First operand 1843 states and 2551 transitions. Second operand has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-07-20 01:28:10,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:28:10,470 INFO L93 Difference]: Finished difference Result 3686 states and 5107 transitions. [2022-07-20 01:28:10,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 01:28:10,472 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 119 [2022-07-20 01:28:10,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:28:10,485 INFO L225 Difference]: With dead ends: 3686 [2022-07-20 01:28:10,485 INFO L226 Difference]: Without dead ends: 1846 [2022-07-20 01:28:10,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-20 01:28:10,496 INFO L413 NwaCegarLoop]: 2545 mSDtfsCounter, 6 mSDsluCounter, 10162 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 12707 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-20 01:28:10,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 12707 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-20 01:28:10,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2022-07-20 01:28:10,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1846. [2022-07-20 01:28:10,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1846 states, 1284 states have (on average 1.2873831775700935) internal successors, (1653), 1305 states have internal predecessors, (1653), 451 states have call successors, (451), 110 states have call predecessors, (451), 110 states have return successors, (451), 447 states have call predecessors, (451), 450 states have call successors, (451) [2022-07-20 01:28:10,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1846 states to 1846 states and 2555 transitions. [2022-07-20 01:28:10,571 INFO L78 Accepts]: Start accepts. Automaton has 1846 states and 2555 transitions. Word has length 119 [2022-07-20 01:28:10,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:28:10,571 INFO L495 AbstractCegarLoop]: Abstraction has 1846 states and 2555 transitions. [2022-07-20 01:28:10,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-07-20 01:28:10,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1846 states and 2555 transitions. [2022-07-20 01:28:10,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-07-20 01:28:10,577 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:28:10,577 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:28:10,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-20 01:28:10,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:28:10,797 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:28:10,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:28:10,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1360405180, now seen corresponding path program 1 times [2022-07-20 01:28:10,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:28:10,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [239689137] [2022-07-20 01:28:10,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:28:10,809 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:28:10,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:28:10,812 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 01:28:10,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 01:28:18,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:28:18,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 5426 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-20 01:28:18,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:28:19,202 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-07-20 01:28:19,202 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 01:28:20,260 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-07-20 01:28:20,261 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:28:20,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [239689137] [2022-07-20 01:28:20,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [239689137] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 01:28:20,261 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 01:28:20,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-20 01:28:20,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408116243] [2022-07-20 01:28:20,262 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 01:28:20,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-20 01:28:20,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:28:20,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-20 01:28:20,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-20 01:28:20,264 INFO L87 Difference]: Start difference. First operand 1846 states and 2555 transitions. Second operand has 11 states, 9 states have (on average 10.222222222222221) internal successors, (92), 11 states have internal predecessors, (92), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-07-20 01:28:21,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:28:21,285 INFO L93 Difference]: Finished difference Result 3692 states and 5115 transitions. [2022-07-20 01:28:21,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 01:28:21,288 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 10.222222222222221) internal successors, (92), 11 states have internal predecessors, (92), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 121 [2022-07-20 01:28:21,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:28:21,302 INFO L225 Difference]: With dead ends: 3692 [2022-07-20 01:28:21,302 INFO L226 Difference]: Without dead ends: 1849 [2022-07-20 01:28:21,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-07-20 01:28:21,316 INFO L413 NwaCegarLoop]: 2546 mSDtfsCounter, 15 mSDsluCounter, 15243 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 17789 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-20 01:28:21,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 17789 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-20 01:28:21,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1849 states. [2022-07-20 01:28:21,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1849 to 1847. [2022-07-20 01:28:21,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1847 states, 1285 states have (on average 1.2879377431906616) internal successors, (1655), 1306 states have internal predecessors, (1655), 451 states have call successors, (451), 110 states have call predecessors, (451), 110 states have return successors, (451), 447 states have call predecessors, (451), 450 states have call successors, (451) [2022-07-20 01:28:21,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 1847 states and 2557 transitions. [2022-07-20 01:28:21,395 INFO L78 Accepts]: Start accepts. Automaton has 1847 states and 2557 transitions. Word has length 121 [2022-07-20 01:28:21,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:28:21,395 INFO L495 AbstractCegarLoop]: Abstraction has 1847 states and 2557 transitions. [2022-07-20 01:28:21,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 10.222222222222221) internal successors, (92), 11 states have internal predecessors, (92), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-07-20 01:28:21,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2557 transitions. [2022-07-20 01:28:21,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-07-20 01:28:21,401 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:28:21,402 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-20 01:28:21,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-20 01:28:21,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:28:21,615 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:28:21,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:28:21,615 INFO L85 PathProgramCache]: Analyzing trace with hash -648388810, now seen corresponding path program 2 times [2022-07-20 01:28:21,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:28:21,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [488997354] [2022-07-20 01:28:21,622 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 01:28:21,623 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:28:21,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:28:21,626 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 01:28:21,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-20 01:28:30,372 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-20 01:28:30,372 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 01:28:30,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 5225 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 01:28:30,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:28:31,044 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-07-20 01:28:31,044 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:28:31,044 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:28:31,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [488997354] [2022-07-20 01:28:31,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [488997354] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:28:31,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:28:31,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 01:28:31,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960155530] [2022-07-20 01:28:31,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:28:31,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 01:28:31,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:28:31,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 01:28:31,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 01:28:31,046 INFO L87 Difference]: Start difference. First operand 1847 states and 2557 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-07-20 01:28:32,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:28:32,400 INFO L93 Difference]: Finished difference Result 5184 states and 7427 transitions. [2022-07-20 01:28:32,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 01:28:32,401 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 123 [2022-07-20 01:28:32,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:28:32,424 INFO L225 Difference]: With dead ends: 5184 [2022-07-20 01:28:32,425 INFO L226 Difference]: Without dead ends: 3347 [2022-07-20 01:28:32,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-20 01:28:32,435 INFO L413 NwaCegarLoop]: 3992 mSDtfsCounter, 2678 mSDsluCounter, 10187 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 705 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2819 SdHoareTripleChecker+Valid, 14179 SdHoareTripleChecker+Invalid, 721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 705 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-20 01:28:32,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2819 Valid, 14179 Invalid, 721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [705 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-20 01:28:32,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3347 states. [2022-07-20 01:28:32,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3347 to 1850. [2022-07-20 01:28:32,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1850 states, 1288 states have (on average 1.2872670807453417) internal successors, (1658), 1309 states have internal predecessors, (1658), 451 states have call successors, (451), 110 states have call predecessors, (451), 110 states have return successors, (451), 447 states have call predecessors, (451), 450 states have call successors, (451) [2022-07-20 01:28:32,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1850 states to 1850 states and 2560 transitions. [2022-07-20 01:28:32,540 INFO L78 Accepts]: Start accepts. Automaton has 1850 states and 2560 transitions. Word has length 123 [2022-07-20 01:28:32,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:28:32,541 INFO L495 AbstractCegarLoop]: Abstraction has 1850 states and 2560 transitions. [2022-07-20 01:28:32,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-07-20 01:28:32,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1850 states and 2560 transitions. [2022-07-20 01:28:32,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-20 01:28:32,548 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:28:32,549 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-20 01:28:32,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-20 01:28:32,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:28:32,767 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:28:32,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:28:32,768 INFO L85 PathProgramCache]: Analyzing trace with hash 522914390, now seen corresponding path program 1 times [2022-07-20 01:28:32,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:28:32,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [204310737] [2022-07-20 01:28:32,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:28:32,776 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:28:32,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:28:32,778 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 01:28:32,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-20 01:28:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:28:40,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 5464 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-20 01:28:40,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:28:41,277 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-07-20 01:28:41,277 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 01:28:42,709 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-07-20 01:28:42,710 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:28:42,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [204310737] [2022-07-20 01:28:42,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [204310737] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 01:28:42,710 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 01:28:42,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-20 01:28:42,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992777579] [2022-07-20 01:28:42,711 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 01:28:42,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-20 01:28:42,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:28:42,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-20 01:28:42,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-20 01:28:42,714 INFO L87 Difference]: Start difference. First operand 1850 states and 2560 transitions. Second operand has 13 states, 11 states have (on average 8.818181818181818) internal successors, (97), 13 states have internal predecessors, (97), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-07-20 01:28:44,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:28:44,255 INFO L93 Difference]: Finished difference Result 3702 states and 5127 transitions. [2022-07-20 01:28:44,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-20 01:28:44,258 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 8.818181818181818) internal successors, (97), 13 states have internal predecessors, (97), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 126 [2022-07-20 01:28:44,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:28:44,276 INFO L225 Difference]: With dead ends: 3702 [2022-07-20 01:28:44,277 INFO L226 Difference]: Without dead ends: 1855 [2022-07-20 01:28:44,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2022-07-20 01:28:44,289 INFO L413 NwaCegarLoop]: 2547 mSDtfsCounter, 13 mSDsluCounter, 22872 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 25419 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-20 01:28:44,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 25419 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-20 01:28:44,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2022-07-20 01:28:44,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1851. [2022-07-20 01:28:44,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1851 states, 1289 states have (on average 1.2878200155159039) internal successors, (1660), 1310 states have internal predecessors, (1660), 451 states have call successors, (451), 110 states have call predecessors, (451), 110 states have return successors, (451), 447 states have call predecessors, (451), 450 states have call successors, (451) [2022-07-20 01:28:44,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 1851 states and 2562 transitions. [2022-07-20 01:28:44,372 INFO L78 Accepts]: Start accepts. Automaton has 1851 states and 2562 transitions. Word has length 126 [2022-07-20 01:28:44,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:28:44,373 INFO L495 AbstractCegarLoop]: Abstraction has 1851 states and 2562 transitions. [2022-07-20 01:28:44,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 8.818181818181818) internal successors, (97), 13 states have internal predecessors, (97), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-07-20 01:28:44,373 INFO L276 IsEmpty]: Start isEmpty. Operand 1851 states and 2562 transitions. [2022-07-20 01:28:44,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-20 01:28:44,378 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:28:44,379 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-20 01:28:44,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-20 01:28:44,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:28:44,600 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:28:44,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:28:44,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1433036720, now seen corresponding path program 2 times [2022-07-20 01:28:44,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:28:44,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [156429128] [2022-07-20 01:28:44,611 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 01:28:44,611 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:28:44,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:28:44,616 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 01:28:44,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-20 01:28:53,390 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-20 01:28:53,390 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 01:28:53,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 5241 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-20 01:28:53,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:28:54,009 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-07-20 01:28:54,010 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:28:54,010 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:28:54,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [156429128] [2022-07-20 01:28:54,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [156429128] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:28:54,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:28:54,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 01:28:54,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846688765] [2022-07-20 01:28:54,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:28:54,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 01:28:54,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:28:54,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 01:28:54,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 01:28:54,012 INFO L87 Difference]: Start difference. First operand 1851 states and 2562 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-07-20 01:28:54,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:28:54,213 INFO L93 Difference]: Finished difference Result 1858 states and 2568 transitions. [2022-07-20 01:28:54,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 01:28:54,214 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 128 [2022-07-20 01:28:54,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:28:54,228 INFO L225 Difference]: With dead ends: 1858 [2022-07-20 01:28:54,229 INFO L226 Difference]: Without dead ends: 1855 [2022-07-20 01:28:54,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:28:54,231 INFO L413 NwaCegarLoop]: 2551 mSDtfsCounter, 9 mSDsluCounter, 7634 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 10185 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 01:28:54,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 10185 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 01:28:54,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2022-07-20 01:28:54,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1855. [2022-07-20 01:28:54,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1855 states, 1292 states have (on average 1.2871517027863777) internal successors, (1663), 1313 states have internal predecessors, (1663), 451 states have call successors, (451), 111 states have call predecessors, (451), 111 states have return successors, (451), 447 states have call predecessors, (451), 450 states have call successors, (451) [2022-07-20 01:28:54,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1855 states to 1855 states and 2565 transitions. [2022-07-20 01:28:54,300 INFO L78 Accepts]: Start accepts. Automaton has 1855 states and 2565 transitions. Word has length 128 [2022-07-20 01:28:54,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:28:54,301 INFO L495 AbstractCegarLoop]: Abstraction has 1855 states and 2565 transitions. [2022-07-20 01:28:54,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-07-20 01:28:54,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1855 states and 2565 transitions. [2022-07-20 01:28:54,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-07-20 01:28:54,310 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:28:54,310 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-20 01:28:54,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-20 01:28:54,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:28:54,529 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:28:54,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:28:54,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1522367651, now seen corresponding path program 1 times [2022-07-20 01:28:54,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:28:54,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1864037584] [2022-07-20 01:28:54,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:28:54,537 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:28:54,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:28:54,539 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) [2022-07-20 01:28:54,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-20 01:29:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:29:03,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 5730 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-20 01:29:03,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:29:03,486 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 52 proven. 6 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-20 01:29:03,486 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 01:29:05,075 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-07-20 01:29:05,076 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:29:05,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1864037584] [2022-07-20 01:29:05,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1864037584] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 01:29:05,076 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-20 01:29:05,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-20 01:29:05,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380315060] [2022-07-20 01:29:05,076 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-20 01:29:05,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-20 01:29:05,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:29:05,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-20 01:29:05,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-20 01:29:05,078 INFO L87 Difference]: Start difference. First operand 1855 states and 2565 transitions. Second operand has 15 states, 13 states have (on average 10.23076923076923) internal successors, (133), 15 states have internal predecessors, (133), 4 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (37), 4 states have call predecessors, (37), 4 states have call successors, (37) [2022-07-20 01:29:06,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:29:06,714 INFO L93 Difference]: Finished difference Result 3714 states and 5139 transitions. [2022-07-20 01:29:06,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-20 01:29:06,715 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 10.23076923076923) internal successors, (133), 15 states have internal predecessors, (133), 4 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (37), 4 states have call predecessors, (37), 4 states have call successors, (37) Word has length 170 [2022-07-20 01:29:06,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:29:06,726 INFO L225 Difference]: With dead ends: 3714 [2022-07-20 01:29:06,726 INFO L226 Difference]: Without dead ends: 1862 [2022-07-20 01:29:06,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 325 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2022-07-20 01:29:06,734 INFO L413 NwaCegarLoop]: 2548 mSDtfsCounter, 34 mSDsluCounter, 22879 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 25427 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-20 01:29:06,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 25427 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-20 01:29:06,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1862 states. [2022-07-20 01:29:06,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1862 to 1856. [2022-07-20 01:29:06,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1856 states, 1293 states have (on average 1.2877030162412992) internal successors, (1665), 1314 states have internal predecessors, (1665), 451 states have call successors, (451), 111 states have call predecessors, (451), 111 states have return successors, (451), 447 states have call predecessors, (451), 450 states have call successors, (451) [2022-07-20 01:29:06,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1856 states to 1856 states and 2567 transitions. [2022-07-20 01:29:06,789 INFO L78 Accepts]: Start accepts. Automaton has 1856 states and 2567 transitions. Word has length 170 [2022-07-20 01:29:06,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:29:06,789 INFO L495 AbstractCegarLoop]: Abstraction has 1856 states and 2567 transitions. [2022-07-20 01:29:06,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 10.23076923076923) internal successors, (133), 15 states have internal predecessors, (133), 4 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (37), 4 states have call predecessors, (37), 4 states have call successors, (37) [2022-07-20 01:29:06,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1856 states and 2567 transitions. [2022-07-20 01:29:06,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-20 01:29:06,797 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:29:06,797 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-20 01:29:06,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-20 01:29:07,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:29:07,023 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:29:07,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:29:07,023 INFO L85 PathProgramCache]: Analyzing trace with hash 354032547, now seen corresponding path program 2 times [2022-07-20 01:29:07,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:29:07,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [723370586] [2022-07-20 01:29:07,029 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 01:29:07,029 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:29:07,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:29:07,030 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) [2022-07-20 01:29:07,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process