./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 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-?-6c24879 [2022-07-12 14:24:02,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 14:24:02,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 14:24:02,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 14:24:02,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 14:24:02,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 14:24:02,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 14:24:02,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 14:24:02,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 14:24:02,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 14:24:02,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 14:24:02,181 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 14:24:02,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 14:24:02,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 14:24:02,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 14:24:02,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 14:24:02,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 14:24:02,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 14:24:02,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 14:24:02,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 14:24:02,197 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 14:24:02,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 14:24:02,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 14:24:02,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 14:24:02,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 14:24:02,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 14:24:02,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 14:24:02,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 14:24:02,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 14:24:02,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 14:24:02,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 14:24:02,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 14:24:02,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 14:24:02,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 14:24:02,209 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 14:24:02,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 14:24:02,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 14:24:02,210 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 14:24:02,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 14:24:02,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 14:24:02,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 14:24:02,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 14:24:02,214 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 14:24:02,241 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 14:24:02,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 14:24:02,242 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 14:24:02,242 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 14:24:02,243 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 14:24:02,243 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 14:24:02,244 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 14:24:02,244 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 14:24:02,244 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 14:24:02,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 14:24:02,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 14:24:02,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 14:24:02,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 14:24:02,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 14:24:02,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 14:24:02,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 14:24:02,246 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 14:24:02,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 14:24:02,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 14:24:02,248 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 14:24:02,248 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 14:24:02,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:24:02,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 14:24:02,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 14:24:02,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 14:24:02,249 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 14:24:02,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 14:24:02,249 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 14:24:02,249 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 14:24:02,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 14:24:02,249 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 039eab12e50993f4fa37adc6de2fecb3561458fa83d70d097739d1ded7d4af34 [2022-07-12 14:24:02,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 14:24:02,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 14:24:02,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 14:24:02,480 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 14:24:02,481 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 14:24:02,482 INFO L432 ainManager$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 [2022-07-12 14:24:02,539 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e7b15d40/b65b7c4ae8f548c69692d14eba7e116d/FLAG44e4f97f2 [2022-07-12 14:24:03,269 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 14:24:03,269 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 [2022-07-12 14:24:03,315 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e7b15d40/b65b7c4ae8f548c69692d14eba7e116d/FLAG44e4f97f2 [2022-07-12 14:24:03,512 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e7b15d40/b65b7c4ae8f548c69692d14eba7e116d [2022-07-12 14:24:03,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 14:24:03,515 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 14:24:03,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 14:24:03,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 14:24:03,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 14:24:03,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:24:03" (1/1) ... [2022-07-12 14:24:03,521 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70bbc554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:24:03, skipping insertion in model container [2022-07-12 14:24:03,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:24:03" (1/1) ... [2022-07-12 14:24:03,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 14:24:03,720 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:24:07,570 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] [2022-07-12 14:24:07,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:24:07,753 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 14:24:07,923 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) [2022-07-12 14:24:07,931 INFO L158 Benchmark]: Toolchain (without parser) took 4414.95ms. Allocated memory was 94.4MB in the beginning and 199.2MB in the end (delta: 104.9MB). Free memory was 52.6MB in the beginning and 83.7MB in the end (delta: -31.1MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. [2022-07-12 14:24:07,932 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 77.6MB. Free memory was 57.1MB in the beginning and 57.1MB in the end (delta: 47.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 14:24:07,934 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4412.35ms. Allocated memory was 94.4MB in the beginning and 199.2MB in the end (delta: 104.9MB). Free memory was 52.4MB in the beginning and 83.7MB in the end (delta: -31.3MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. [2022-07-12 14:24:07,966 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 77.6MB. Free memory was 57.1MB in the beginning and 57.1MB in the end (delta: 47.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4412.35ms. Allocated memory was 94.4MB in the beginning and 199.2MB in the end (delta: 104.9MB). Free memory was 52.4MB in the beginning and 83.7MB in the end (delta: -31.3MB). Peak memory consumption was 72.4MB. 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-?-6c24879 [2022-07-12 14:24:09,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 14:24:09,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 14:24:09,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 14:24:09,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 14:24:09,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 14:24:09,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 14:24:09,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 14:24:09,709 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 14:24:09,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 14:24:09,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 14:24:09,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 14:24:09,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 14:24:09,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 14:24:09,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 14:24:09,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 14:24:09,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 14:24:09,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 14:24:09,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 14:24:09,730 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 14:24:09,731 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 14:24:09,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 14:24:09,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 14:24:09,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 14:24:09,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 14:24:09,740 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 14:24:09,740 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 14:24:09,741 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 14:24:09,741 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 14:24:09,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 14:24:09,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 14:24:09,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 14:24:09,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 14:24:09,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 14:24:09,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 14:24:09,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 14:24:09,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 14:24:09,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 14:24:09,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 14:24:09,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 14:24:09,747 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 14:24:09,748 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 14:24:09,755 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 14:24:09,782 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 14:24:09,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 14:24:09,783 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 14:24:09,783 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 14:24:09,784 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 14:24:09,784 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 14:24:09,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 14:24:09,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 14:24:09,785 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 14:24:09,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 14:24:09,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 14:24:09,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 14:24:09,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 14:24:09,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 14:24:09,786 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 14:24:09,786 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 14:24:09,786 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 14:24:09,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 14:24:09,787 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 14:24:09,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 14:24:09,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 14:24:09,787 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 14:24:09,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 14:24:09,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:24:09,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 14:24:09,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 14:24:09,788 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 14:24:09,788 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 14:24:09,788 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 14:24:09,788 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 14:24:09,789 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 14:24:09,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 14:24:09,789 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 14:24:09,789 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 039eab12e50993f4fa37adc6de2fecb3561458fa83d70d097739d1ded7d4af34 [2022-07-12 14:24:10,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 14:24:10,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 14:24:10,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 14:24:10,122 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 14:24:10,122 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 14:24:10,124 INFO L432 ainManager$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 [2022-07-12 14:24:10,192 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02b55a216/baa026d59e4649da939f28c3373192f8/FLAG7af32c947 [2022-07-12 14:24:10,992 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 14:24:10,993 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 [2022-07-12 14:24:11,041 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02b55a216/baa026d59e4649da939f28c3373192f8/FLAG7af32c947 [2022-07-12 14:24:11,509 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02b55a216/baa026d59e4649da939f28c3373192f8 [2022-07-12 14:24:11,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 14:24:11,512 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 14:24:11,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 14:24:11,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 14:24:11,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 14:24:11,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:24:11" (1/1) ... [2022-07-12 14:24:11,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12c5398c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:24:11, skipping insertion in model container [2022-07-12 14:24:11,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:24:11" (1/1) ... [2022-07-12 14:24:11,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 14:24:11,670 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:24:15,713 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] [2022-07-12 14:24:15,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:24:15,892 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 14:24:15,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:24:16,328 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] [2022-07-12 14:24:16,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:24:16,399 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 14:24:16,775 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] [2022-07-12 14:24:16,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:24:17,035 INFO L208 MainTranslator]: Completed translation [2022-07-12 14:24:17,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:24:17 WrapperNode [2022-07-12 14:24:17,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 14:24:17,038 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 14:24:17,038 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 14:24:17,038 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 14:24:17,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:24:17" (1/1) ... [2022-07-12 14:24:17,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:24:17" (1/1) ... [2022-07-12 14:24:17,412 INFO L137 Inliner]: procedures = 541, calls = 6245, calls flagged for inlining = 183, calls inlined = 161, statements flattened = 7380 [2022-07-12 14:24:17,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 14:24:17,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 14:24:17,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 14:24:17,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 14:24:17,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:24:17" (1/1) ... [2022-07-12 14:24:17,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:24:17" (1/1) ... [2022-07-12 14:24:17,474 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:24:17" (1/1) ... [2022-07-12 14:24:17,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:24:17" (1/1) ... [2022-07-12 14:24:17,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:24:17" (1/1) ... [2022-07-12 14:24:17,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:24:17" (1/1) ... [2022-07-12 14:24:17,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:24:17" (1/1) ... [2022-07-12 14:24:17,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 14:24:17,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 14:24:17,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 14:24:17,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 14:24:17,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:24:17" (1/1) ... [2022-07-12 14:24:17,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:24:17,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 14:24:17,764 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 14:24:17,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 14:24:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_le_to_cpu [2022-07-12 14:24:17,832 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_le_to_cpu [2022-07-12 14:24:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_eth_tx_timeout [2022-07-12 14:24:17,833 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_eth_tx_timeout [2022-07-12 14:24:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_5 [2022-07-12 14:24:17,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_5 [2022-07-12 14:24:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-12 14:24:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-12 14:24:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-12 14:24:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 14:24:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 14:24:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_trigger [2022-07-12 14:24:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_trigger [2022-07-12 14:24:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 14:24:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 14:24:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-12 14:24:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-12 14:24:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 14:24:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 14:24:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_mib_mode_helper [2022-07-12 14:24:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_mib_mode_helper [2022-07-12 14:24:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-07-12 14:24:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-07-12 14:24:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 14:24:17,837 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 14:24:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-12 14:24:17,837 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-12 14:24:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_request [2022-07-12 14:24:17,837 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_request [2022-07-12 14:24:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_cpu_to_le [2022-07-12 14:24:17,837 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_cpu_to_le [2022-07-12 14:24:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_get_state [2022-07-12 14:24:17,837 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_get_state [2022-07-12 14:24:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-12 14:24:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-12 14:24:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-12 14:24:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-12 14:24:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 14:24:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 14:24:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_release [2022-07-12 14:24:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_release [2022-07-12 14:24:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 14:24:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 14:24:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-12 14:24:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-12 14:24:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 14:24:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-12 14:24:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 14:24:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 14:24:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 14:24:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-12 14:24:17,840 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-12 14:24:17,841 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 14:24:17,841 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 14:24:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-12 14:24:17,842 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-12 14:24:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set [2022-07-12 14:24:17,842 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set [2022-07-12 14:24:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 14:24:17,842 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 14:24:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 14:24:17,843 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 14:24:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_reset [2022-07-12 14:24:17,843 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_reset [2022-07-12 14:24:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 14:24:17,843 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 14:24:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-07-12 14:24:17,843 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-07-12 14:24:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-12 14:24:17,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-12 14:24:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 14:24:17,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 14:24:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 14:24:17,844 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 14:24:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-12 14:24:17,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-12 14:24:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_set_mac_address [2022-07-12 14:24:17,844 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_set_mac_address [2022-07-12 14:24:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_resume [2022-07-12 14:24:17,844 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_resume [2022-07-12 14:24:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 14:24:17,844 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 14:24:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-12 14:24:17,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-12 14:24:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 14:24:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-07-12 14:24:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 14:24:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 14:24:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 14:24:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 14:24:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 14:24:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 14:24:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 14:24:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 14:24:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-12 14:24:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-12 14:24:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-12 14:24:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-12 14:24:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-12 14:24:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-12 14:24:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-12 14:24:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-12 14:24:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-07-12 14:24:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-07-12 14:24:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-12 14:24:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-12 14:24:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-12 14:24:17,847 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-12 14:24:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 14:24:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2022-07-12 14:24:17,847 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2022-07-12 14:24:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2022-07-12 14:24:17,847 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2022-07-12 14:24:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-12 14:24:17,848 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-12 14:24:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 14:24:17,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 14:24:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-12 14:24:17,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-12 14:24:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 14:24:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-12 14:24:17,848 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-12 14:24:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_clear_mac [2022-07-12 14:24:17,849 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_clear_mac [2022-07-12 14:24:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 14:24:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 14:24:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 14:24:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 14:24:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 14:24:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 14:24:17,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 14:24:17,850 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-12 14:24:17,850 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-12 14:24:17,850 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 14:24:17,850 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 14:24:17,850 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-12 14:24:17,850 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-12 14:24:17,850 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_bring_down [2022-07-12 14:24:17,851 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_bring_down [2022-07-12 14:24:17,851 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-07-12 14:24:17,851 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-07-12 14:24:17,851 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 14:24:17,851 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 14:24:17,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 14:24:17,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 14:24:17,851 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-12 14:24:17,852 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-12 14:24:17,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 14:24:17,852 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 14:24:17,852 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 14:24:17,852 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 14:24:17,852 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 14:24:17,852 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 14:24:17,852 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-12 14:24:17,852 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-12 14:24:17,853 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-12 14:24:17,853 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-12 14:24:17,853 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-12 14:24:17,853 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-12 14:24:17,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 14:24:17,853 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 14:24:17,853 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 14:24:17,853 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_set_state [2022-07-12 14:24:17,854 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_set_state [2022-07-12 14:24:17,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 14:24:17,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-12 14:24:17,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-12 14:24:17,854 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-07-12 14:24:17,854 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-07-12 14:24:17,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 14:24:17,854 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-07-12 14:24:17,855 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-07-12 14:24:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 14:24:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 14:24:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 14:24:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 14:24:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-07-12 14:24:17,855 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-07-12 14:24:17,855 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-12 14:24:17,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-12 14:24:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-12 14:24:17,856 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-12 14:24:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-12 14:24:17,856 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-12 14:24:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-12 14:24:17,856 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-12 14:24:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 14:24:17,856 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 14:24:17,857 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_remove [2022-07-12 14:24:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_remove [2022-07-12 14:24:17,857 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_w32_flush [2022-07-12 14:24:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_w32_flush [2022-07-12 14:24:17,857 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-12 14:24:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-12 14:24:17,857 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-12 14:24:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-12 14:24:17,858 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-12 14:24:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-12 14:24:17,858 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit_list [2022-07-12 14:24:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit_list [2022-07-12 14:24:17,858 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-12 14:24:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-12 14:24:17,858 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single___1 [2022-07-12 14:24:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single___1 [2022-07-12 14:24:17,859 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 14:24:17,859 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 14:24:17,859 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgmt_rx_fill [2022-07-12 14:24:17,859 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgmt_rx_fill [2022-07-12 14:24:17,859 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_transaction [2022-07-12 14:24:17,859 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_transaction [2022-07-12 14:24:17,859 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 14:24:17,859 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 14:24:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure channel_of_freq [2022-07-12 14:24:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_of_freq [2022-07-12 14:24:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-12 14:24:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-12 14:24:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 14:24:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 14:24:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 14:24:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 14:24:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-12 14:24:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-12 14:24:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 14:24:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 14:24:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_free_memory [2022-07-12 14:24:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_free_memory [2022-07-12 14:24:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit [2022-07-12 14:24:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit [2022-07-12 14:24:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-12 14:24:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-12 14:24:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-12 14:24:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-12 14:24:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-12 14:24:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-12 14:24:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32s [2022-07-12 14:24:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32s [2022-07-12 14:24:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-07-12 14:24:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-07-12 14:24:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-12 14:24:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-12 14:24:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_5 [2022-07-12 14:24:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_5 [2022-07-12 14:24:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-12 14:24:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-12 14:24:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_in_queue [2022-07-12 14:24:17,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_in_queue [2022-07-12 14:24:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single___0 [2022-07-12 14:24:17,864 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single___0 [2022-07-12 14:24:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-12 14:24:17,864 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-12 14:24:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-12 14:24:17,864 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-12 14:24:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-12 14:24:17,865 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-12 14:24:17,865 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_disable_interrupts [2022-07-12 14:24:17,865 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_disable_interrupts [2022-07-12 14:24:18,649 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 14:24:18,654 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 14:24:22,491 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 14:25:14,789 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 14:25:14,805 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 14:25:14,806 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-12 14:25:14,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:25:14 BoogieIcfgContainer [2022-07-12 14:25:14,810 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 14:25:14,811 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 14:25:14,811 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 14:25:14,814 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 14:25:14,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 02:24:11" (1/3) ... [2022-07-12 14:25:14,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e44e976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:25:14, skipping insertion in model container [2022-07-12 14:25:14,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:24:17" (2/3) ... [2022-07-12 14:25:14,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e44e976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:25:14, skipping insertion in model container [2022-07-12 14:25:14,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:25:14" (3/3) ... [2022-07-12 14:25:14,816 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--prism54--prism54.ko-entry_point.cil.out.i [2022-07-12 14:25:14,828 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 14:25:14,829 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 14:25:14,905 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 14:25:14,914 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@20ea0c48, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@657883e [2022-07-12 14:25:14,915 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 14:25:14,925 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) [2022-07-12 14:25:14,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-07-12 14:25:14,957 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:25:14,958 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] [2022-07-12 14:25:14,959 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:25:14,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:25:14,963 INFO L85 PathProgramCache]: Analyzing trace with hash -363408964, now seen corresponding path program 1 times [2022-07-12 14:25:14,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:25:14,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [130308377] [2022-07-12 14:25:14,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:25:14,982 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:25:14,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:25:14,985 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:25:15,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 14:25:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:25:23,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 5404 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-12 14:25:23,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:25:23,515 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-07-12 14:25:23,517 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:25:23,518 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:25:23,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [130308377] [2022-07-12 14:25:23,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [130308377] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:25:23,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:25:23,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 14:25:23,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900715035] [2022-07-12 14:25:23,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:25:23,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 14:25:23,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:25:23,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 14:25:23,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 14:25:23,558 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) [2022-07-12 14:25:23,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:25:23,731 INFO L93 Difference]: Finished difference Result 3777 states and 5358 transitions. [2022-07-12 14:25:23,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 14:25:23,733 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 [2022-07-12 14:25:23,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:25:23,752 INFO L225 Difference]: With dead ends: 3777 [2022-07-12 14:25:23,752 INFO L226 Difference]: Without dead ends: 1843 [2022-07-12 14:25:23,765 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 [2022-07-12 14:25:23,768 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 [2022-07-12 14:25:23,768 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] [2022-07-12 14:25:23,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2022-07-12 14:25:23,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1843. [2022-07-12 14:25:23,863 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) [2022-07-12 14:25:23,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 2551 transitions. [2022-07-12 14:25:23,877 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 2551 transitions. Word has length 119 [2022-07-12 14:25:23,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:25:23,877 INFO L495 AbstractCegarLoop]: Abstraction has 1843 states and 2551 transitions. [2022-07-12 14:25:23,878 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) [2022-07-12 14:25:23,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2551 transitions. [2022-07-12 14:25:23,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-07-12 14:25:23,883 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:25:23,883 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] [2022-07-12 14:25:24,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 14:25:24,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:25:24,085 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:25:24,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:25:24,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1015622410, now seen corresponding path program 1 times [2022-07-12 14:25:24,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:25:24,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2057037316] [2022-07-12 14:25:24,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:25:24,091 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:25:24,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:25:24,092 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:25:24,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 14:25:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:25:32,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 5404 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-12 14:25:32,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:25:32,525 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-07-12 14:25:32,526 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:25:32,526 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:25:32,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2057037316] [2022-07-12 14:25:32,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2057037316] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:25:32,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:25:32,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:25:32,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679532142] [2022-07-12 14:25:32,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:25:32,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:25:32,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:25:32,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:25:32,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:25:32,529 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) [2022-07-12 14:25:33,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:25:33,044 INFO L93 Difference]: Finished difference Result 3686 states and 5107 transitions. [2022-07-12 14:25:33,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 14:25:33,045 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 [2022-07-12 14:25:33,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:25:33,059 INFO L225 Difference]: With dead ends: 3686 [2022-07-12 14:25:33,059 INFO L226 Difference]: Without dead ends: 1846 [2022-07-12 14:25:33,070 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 [2022-07-12 14:25:33,071 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 [2022-07-12 14:25:33,072 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] [2022-07-12 14:25:33,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2022-07-12 14:25:33,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1846. [2022-07-12 14:25:33,141 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) [2022-07-12 14:25:33,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1846 states to 1846 states and 2555 transitions. [2022-07-12 14:25:33,155 INFO L78 Accepts]: Start accepts. Automaton has 1846 states and 2555 transitions. Word has length 119 [2022-07-12 14:25:33,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:25:33,158 INFO L495 AbstractCegarLoop]: Abstraction has 1846 states and 2555 transitions. [2022-07-12 14:25:33,160 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) [2022-07-12 14:25:33,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1846 states and 2555 transitions. [2022-07-12 14:25:33,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-07-12 14:25:33,166 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:25:33,166 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] [2022-07-12 14:25:33,303 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 14:25:33,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:25:33,380 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:25:33,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:25:33,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1360405180, now seen corresponding path program 1 times [2022-07-12 14:25:33,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:25:33,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1429952324] [2022-07-12 14:25:33,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:25:33,387 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:25:33,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:25:33,388 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:25:33,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 14:25:41,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:25:41,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 5426 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-12 14:25:41,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:25:41,977 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-07-12 14:25:41,978 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 14:25:42,855 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-07-12 14:25:42,856 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:25:42,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1429952324] [2022-07-12 14:25:42,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1429952324] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 14:25:42,856 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 14:25:42,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-12 14:25:42,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125314724] [2022-07-12 14:25:42,857 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 14:25:42,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 14:25:42,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:25:42,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 14:25:42,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-12 14:25:42,858 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) [2022-07-12 14:25:43,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:25:43,707 INFO L93 Difference]: Finished difference Result 3692 states and 5115 transitions. [2022-07-12 14:25:43,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 14:25:43,709 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 [2022-07-12 14:25:43,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:25:43,721 INFO L225 Difference]: With dead ends: 3692 [2022-07-12 14:25:43,722 INFO L226 Difference]: Without dead ends: 1849 [2022-07-12 14:25:43,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-07-12 14:25:43,734 INFO L413 NwaCegarLoop]: 2546 mSDtfsCounter, 15 mSDsluCounter, 15243 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 14:25:43,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 17789 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 14:25:43,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1849 states. [2022-07-12 14:25:43,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1849 to 1847. [2022-07-12 14:25:43,823 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) [2022-07-12 14:25:43,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 1847 states and 2557 transitions. [2022-07-12 14:25:43,844 INFO L78 Accepts]: Start accepts. Automaton has 1847 states and 2557 transitions. Word has length 121 [2022-07-12 14:25:43,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:25:43,844 INFO L495 AbstractCegarLoop]: Abstraction has 1847 states and 2557 transitions. [2022-07-12 14:25:43,844 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) [2022-07-12 14:25:43,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2557 transitions. [2022-07-12 14:25:43,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-07-12 14:25:43,848 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:25:43,849 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] [2022-07-12 14:25:44,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 14:25:44,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:25:44,063 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:25:44,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:25:44,064 INFO L85 PathProgramCache]: Analyzing trace with hash -648388810, now seen corresponding path program 2 times [2022-07-12 14:25:44,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:25:44,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1844456591] [2022-07-12 14:25:44,070 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 14:25:44,070 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:25:44,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:25:44,072 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:25:44,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 14:25:52,326 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-12 14:25:52,327 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 14:25:52,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 5225 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 14:25:52,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:25:52,993 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-07-12 14:25:52,993 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:25:52,993 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:25:52,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1844456591] [2022-07-12 14:25:52,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1844456591] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:25:52,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:25:52,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:25:52,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750718912] [2022-07-12 14:25:52,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:25:52,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:25:52,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:25:52,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:25:52,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:25:52,996 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) [2022-07-12 14:25:54,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:25:54,334 INFO L93 Difference]: Finished difference Result 5184 states and 7427 transitions. [2022-07-12 14:25:54,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 14:25:54,335 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 [2022-07-12 14:25:54,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:25:54,355 INFO L225 Difference]: With dead ends: 5184 [2022-07-12 14:25:54,356 INFO L226 Difference]: Without dead ends: 3347 [2022-07-12 14:25:54,364 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 [2022-07-12 14:25:54,365 INFO L413 NwaCegarLoop]: 3992 mSDtfsCounter, 2678 mSDsluCounter, 10187 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 705 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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 [2022-07-12 14:25:54,365 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] [2022-07-12 14:25:54,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3347 states. [2022-07-12 14:25:54,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3347 to 1850. [2022-07-12 14:25:54,442 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) [2022-07-12 14:25:54,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1850 states to 1850 states and 2560 transitions. [2022-07-12 14:25:54,451 INFO L78 Accepts]: Start accepts. Automaton has 1850 states and 2560 transitions. Word has length 123 [2022-07-12 14:25:54,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:25:54,452 INFO L495 AbstractCegarLoop]: Abstraction has 1850 states and 2560 transitions. [2022-07-12 14:25:54,452 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) [2022-07-12 14:25:54,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1850 states and 2560 transitions. [2022-07-12 14:25:54,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-12 14:25:54,456 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:25:54,456 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] [2022-07-12 14:25:54,618 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 14:25:54,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:25:54,672 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:25:54,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:25:54,673 INFO L85 PathProgramCache]: Analyzing trace with hash 522914390, now seen corresponding path program 1 times [2022-07-12 14:25:54,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:25:54,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [328059610] [2022-07-12 14:25:54,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:25:54,680 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:25:54,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:25:54,681 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:25:54,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 14:26:03,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:26:03,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 5464 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-12 14:26:03,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:26:04,137 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-07-12 14:26:04,138 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 14:26:05,489 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-07-12 14:26:05,489 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:26:05,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [328059610] [2022-07-12 14:26:05,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [328059610] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 14:26:05,489 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 14:26:05,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-12 14:26:05,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388677605] [2022-07-12 14:26:05,489 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 14:26:05,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-12 14:26:05,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:26:05,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-12 14:26:05,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-12 14:26:05,491 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) [2022-07-12 14:26:06,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:26:06,725 INFO L93 Difference]: Finished difference Result 3702 states and 5127 transitions. [2022-07-12 14:26:06,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-12 14:26:06,728 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 [2022-07-12 14:26:06,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:26:06,741 INFO L225 Difference]: With dead ends: 3702 [2022-07-12 14:26:06,741 INFO L226 Difference]: Without dead ends: 1855 [2022-07-12 14:26:06,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2022-07-12 14:26:06,751 INFO L413 NwaCegarLoop]: 2547 mSDtfsCounter, 13 mSDsluCounter, 22872 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2022-07-12 14:26:06,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 25419 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-12 14:26:06,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2022-07-12 14:26:06,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1851. [2022-07-12 14:26:06,798 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) [2022-07-12 14:26:06,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 1851 states and 2562 transitions. [2022-07-12 14:26:06,807 INFO L78 Accepts]: Start accepts. Automaton has 1851 states and 2562 transitions. Word has length 126 [2022-07-12 14:26:06,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:26:06,808 INFO L495 AbstractCegarLoop]: Abstraction has 1851 states and 2562 transitions. [2022-07-12 14:26:06,808 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) [2022-07-12 14:26:06,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1851 states and 2562 transitions. [2022-07-12 14:26:06,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-12 14:26:06,812 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:26:06,812 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] [2022-07-12 14:26:06,942 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 14:26:07,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:26:07,039 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:26:07,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:26:07,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1433036720, now seen corresponding path program 2 times [2022-07-12 14:26:07,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:26:07,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [582779046] [2022-07-12 14:26:07,046 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 14:26:07,046 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:26:07,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:26:07,048 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:26:07,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 14:26:15,922 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-12 14:26:15,923 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 14:26:16,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 5241 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-12 14:26:16,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:26:16,548 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-07-12 14:26:16,548 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:26:16,548 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:26:16,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [582779046] [2022-07-12 14:26:16,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [582779046] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:26:16,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:26:16,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:26:16,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139177198] [2022-07-12 14:26:16,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:26:16,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:26:16,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:26:16,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:26:16,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:26:16,550 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) [2022-07-12 14:26:16,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:26:16,716 INFO L93 Difference]: Finished difference Result 1858 states and 2568 transitions. [2022-07-12 14:26:16,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 14:26:16,717 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 [2022-07-12 14:26:16,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:26:16,726 INFO L225 Difference]: With dead ends: 1858 [2022-07-12 14:26:16,726 INFO L226 Difference]: Without dead ends: 1855 [2022-07-12 14:26:16,727 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 [2022-07-12 14:26:16,727 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 [2022-07-12 14:26:16,728 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] [2022-07-12 14:26:16,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2022-07-12 14:26:16,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1855. [2022-07-12 14:26:16,775 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) [2022-07-12 14:26:16,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1855 states to 1855 states and 2565 transitions. [2022-07-12 14:26:16,784 INFO L78 Accepts]: Start accepts. Automaton has 1855 states and 2565 transitions. Word has length 128 [2022-07-12 14:26:16,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:26:16,785 INFO L495 AbstractCegarLoop]: Abstraction has 1855 states and 2565 transitions. [2022-07-12 14:26:16,785 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) [2022-07-12 14:26:16,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1855 states and 2565 transitions. [2022-07-12 14:26:16,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-07-12 14:26:16,792 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:26:16,792 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] [2022-07-12 14:26:16,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-12 14:26:17,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:26:17,008 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:26:17,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:26:17,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1522367651, now seen corresponding path program 1 times [2022-07-12 14:26:17,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:26:17,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1000415144] [2022-07-12 14:26:17,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:26:17,015 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:26:17,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:26:17,016 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:26:17,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 14:26:25,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:26:26,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 5730 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-12 14:26:26,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:26:26,456 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 52 proven. 6 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-12 14:26:26,456 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 14:26:28,070 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-07-12 14:26:28,070 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:26:28,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1000415144] [2022-07-12 14:26:28,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1000415144] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 14:26:28,071 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 14:26:28,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-12 14:26:28,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494467795] [2022-07-12 14:26:28,071 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 14:26:28,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-12 14:26:28,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:26:28,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-12 14:26:28,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-12 14:26:28,073 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) [2022-07-12 14:26:29,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:26:29,654 INFO L93 Difference]: Finished difference Result 3714 states and 5139 transitions. [2022-07-12 14:26:29,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 14:26:29,655 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 [2022-07-12 14:26:29,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:26:29,668 INFO L225 Difference]: With dead ends: 3714 [2022-07-12 14:26:29,668 INFO L226 Difference]: Without dead ends: 1862 [2022-07-12 14:26:29,677 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 [2022-07-12 14:26:29,678 INFO L413 NwaCegarLoop]: 2548 mSDtfsCounter, 34 mSDsluCounter, 22879 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-07-12 14:26:29,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 25427 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-12 14:26:29,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1862 states. [2022-07-12 14:26:29,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1862 to 1856. [2022-07-12 14:26:29,722 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) [2022-07-12 14:26:29,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1856 states to 1856 states and 2567 transitions. [2022-07-12 14:26:29,730 INFO L78 Accepts]: Start accepts. Automaton has 1856 states and 2567 transitions. Word has length 170 [2022-07-12 14:26:29,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:26:29,730 INFO L495 AbstractCegarLoop]: Abstraction has 1856 states and 2567 transitions. [2022-07-12 14:26:29,730 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) [2022-07-12 14:26:29,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1856 states and 2567 transitions. [2022-07-12 14:26:29,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-12 14:26:29,736 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:26:29,737 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] [2022-07-12 14:26:29,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-07-12 14:26:29,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:26:29,948 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:26:29,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:26:29,948 INFO L85 PathProgramCache]: Analyzing trace with hash 354032547, now seen corresponding path program 2 times [2022-07-12 14:26:29,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:26:29,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1647573494] [2022-07-12 14:26:29,954 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 14:26:29,954 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:26:29,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:26:29,955 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 14:26:29,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process