./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 73868717431db2e2213c78014bba9664fa2a1aea672a285381bce5667bb4d0d4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 14:02:48,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:02:48,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:02:48,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:02:48,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:02:48,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:02:48,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:02:48,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:02:48,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:02:48,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:02:48,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:02:48,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:02:48,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:02:48,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:02:48,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:02:48,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:02:48,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:02:48,385 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:02:48,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:02:48,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:02:48,391 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:02:48,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:02:48,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:02:48,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:02:48,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:02:48,400 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:02:48,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:02:48,400 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:02:48,401 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:02:48,401 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:02:48,402 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:02:48,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:02:48,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:02:48,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:02:48,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:02:48,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:02:48,406 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:02:48,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:02:48,406 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:02:48,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:02:48,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:02:48,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:02:48,409 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 14:02:48,437 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:02:48,438 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:02:48,438 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:02:48,438 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:02:48,439 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:02:48,439 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:02:48,440 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:02:48,440 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:02:48,440 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:02:48,441 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:02:48,441 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 14:02:48,441 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:02:48,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:02:48,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:02:48,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:02:48,441 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:02:48,442 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:02:48,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:02:48,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:02:48,442 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:02:48,442 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:02:48,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:02:48,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:02:48,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:02:48,443 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:02:48,443 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 14:02:48,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 14:02:48,443 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:02:48,444 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:02:48,444 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:02:48,444 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73868717431db2e2213c78014bba9664fa2a1aea672a285381bce5667bb4d0d4 [2022-07-21 14:02:48,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:02:48,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:02:48,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:02:48,745 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:02:48,746 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:02:48,747 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i [2022-07-21 14:02:48,785 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a7f74a31/363a7c37654046eda514817f19c23de9/FLAG885bad2b4 [2022-07-21 14:02:49,475 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:02:49,475 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i [2022-07-21 14:02:49,515 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a7f74a31/363a7c37654046eda514817f19c23de9/FLAG885bad2b4 [2022-07-21 14:02:49,591 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a7f74a31/363a7c37654046eda514817f19c23de9 [2022-07-21 14:02:49,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:02:49,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:02:49,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:02:49,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:02:49,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:02:49,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:02:49" (1/1) ... [2022-07-21 14:02:49,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44f94719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:02:49, skipping insertion in model container [2022-07-21 14:02:49,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:02:49" (1/1) ... [2022-07-21 14:02:49,639 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:02:49,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:02:52,618 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421155,421168] [2022-07-21 14:02:52,620 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421302,421315] [2022-07-21 14:02:52,621 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421441,421454] [2022-07-21 14:02:52,622 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421599,421612] [2022-07-21 14:02:52,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:02:52,671 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:02:52,845 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: reg = reg & 4043309055U [10107] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java: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) [2022-07-21 14:02:52,850 INFO L158 Benchmark]: Toolchain (without parser) took 3229.17ms. Allocated memory was 88.1MB in the beginning and 163.6MB in the end (delta: 75.5MB). Free memory was 63.4MB in the beginning and 64.9MB in the end (delta: -1.5MB). Peak memory consumption was 79.6MB. Max. memory is 16.1GB. [2022-07-21 14:02:52,851 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory is still 35.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 14:02:52,852 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3227.51ms. Allocated memory was 88.1MB in the beginning and 163.6MB in the end (delta: 75.5MB). Free memory was 63.1MB in the beginning and 64.9MB in the end (delta: -1.8MB). Peak memory consumption was 79.6MB. Max. memory is 16.1GB. [2022-07-21 14:02:52,853 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory is still 35.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3227.51ms. Allocated memory was 88.1MB in the beginning and 163.6MB in the end (delta: 75.5MB). Free memory was 63.1MB in the beginning and 64.9MB in the end (delta: -1.8MB). Peak memory consumption was 79.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: reg = reg & 4043309055U [10107] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: reg = reg & 4043309055U [10107]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 73868717431db2e2213c78014bba9664fa2a1aea672a285381bce5667bb4d0d4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 14:02:54,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:02:54,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:02:54,462 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:02:54,462 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:02:54,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:02:54,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:02:54,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:02:54,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:02:54,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:02:54,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:02:54,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:02:54,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:02:54,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:02:54,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:02:54,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:02:54,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:02:54,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:02:54,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:02:54,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:02:54,476 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:02:54,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:02:54,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:02:54,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:02:54,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:02:54,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:02:54,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:02:54,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:02:54,481 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:02:54,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:02:54,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:02:54,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:02:54,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:02:54,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:02:54,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:02:54,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:02:54,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:02:54,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:02:54,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:02:54,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:02:54,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:02:54,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:02:54,488 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 14:02:54,504 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:02:54,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:02:54,505 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:02:54,505 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:02:54,506 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:02:54,506 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:02:54,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:02:54,507 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:02:54,510 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:02:54,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:02:54,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:02:54,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:02:54,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:02:54,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:02:54,511 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 14:02:54,511 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 14:02:54,511 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 14:02:54,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:02:54,512 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:02:54,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:02:54,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:02:54,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:02:54,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:02:54,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:02:54,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:02:54,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:02:54,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:02:54,515 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 14:02:54,516 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 14:02:54,516 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:02:54,516 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:02:54,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:02:54,516 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 14:02:54,517 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73868717431db2e2213c78014bba9664fa2a1aea672a285381bce5667bb4d0d4 [2022-07-21 14:02:54,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:02:54,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:02:54,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:02:54,880 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:02:54,881 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:02:54,882 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i [2022-07-21 14:02:54,927 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfc4e0443/d5789e3a2f2b4759923fb780cf8e05d3/FLAG87e03c1ff [2022-07-21 14:02:55,672 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:02:55,673 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i [2022-07-21 14:02:55,733 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfc4e0443/d5789e3a2f2b4759923fb780cf8e05d3/FLAG87e03c1ff [2022-07-21 14:02:56,261 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfc4e0443/d5789e3a2f2b4759923fb780cf8e05d3 [2022-07-21 14:02:56,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:02:56,264 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:02:56,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:02:56,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:02:56,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:02:56,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:02:56" (1/1) ... [2022-07-21 14:02:56,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@213e90d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:02:56, skipping insertion in model container [2022-07-21 14:02:56,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:02:56" (1/1) ... [2022-07-21 14:02:56,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:02:56,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:03:00,037 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421155,421168] [2022-07-21 14:03:00,040 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421302,421315] [2022-07-21 14:03:00,040 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421441,421454] [2022-07-21 14:03:00,041 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421599,421612] [2022-07-21 14:03:00,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:03:00,128 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 14:03:00,191 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:03:00,420 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421155,421168] [2022-07-21 14:03:00,421 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421302,421315] [2022-07-21 14:03:00,421 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421441,421454] [2022-07-21 14:03:00,425 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421599,421612] [2022-07-21 14:03:00,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:03:00,493 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:03:00,769 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421155,421168] [2022-07-21 14:03:00,770 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421302,421315] [2022-07-21 14:03:00,770 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421441,421454] [2022-07-21 14:03:00,771 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i[421599,421612] [2022-07-21 14:03:00,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:03:00,980 INFO L208 MainTranslator]: Completed translation [2022-07-21 14:03:00,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:03:00 WrapperNode [2022-07-21 14:03:00,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 14:03:00,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 14:03:00,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 14:03:00,983 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 14:03:00,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:03:00" (1/1) ... [2022-07-21 14:03:01,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:03:00" (1/1) ... [2022-07-21 14:03:01,266 INFO L137 Inliner]: procedures = 549, calls = 2700, calls flagged for inlining = 309, calls inlined = 257, statements flattened = 5791 [2022-07-21 14:03:01,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 14:03:01,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 14:03:01,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 14:03:01,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 14:03:01,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:03:00" (1/1) ... [2022-07-21 14:03:01,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:03:00" (1/1) ... [2022-07-21 14:03:01,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:03:00" (1/1) ... [2022-07-21 14:03:01,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:03:00" (1/1) ... [2022-07-21 14:03:01,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:03:00" (1/1) ... [2022-07-21 14:03:01,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:03:00" (1/1) ... [2022-07-21 14:03:01,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:03:00" (1/1) ... [2022-07-21 14:03:01,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 14:03:01,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 14:03:01,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 14:03:01,580 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 14:03:01,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:03:00" (1/1) ... [2022-07-21 14:03:01,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:03:01,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:03:01,607 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) [2022-07-21 14:03:01,629 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 [2022-07-21 14:03:01,670 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-21 14:03:01,670 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-21 14:03:01,671 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-07-21 14:03:01,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-07-21 14:03:01,671 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-07-21 14:03:01,671 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-07-21 14:03:01,671 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 14:03:01,671 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 14:03:01,671 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_mac_processor [2022-07-21 14:03:01,671 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_mac_processor [2022-07-21 14:03:01,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 14:03:01,672 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 14:03:01,672 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32 [2022-07-21 14:03:01,672 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32 [2022-07-21 14:03:01,672 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-21 14:03:01,672 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-21 14:03:01,672 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_regs_len [2022-07-21 14:03:01,672 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_regs_len [2022-07-21 14:03:01,672 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 14:03:01,673 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 14:03:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 14:03:01,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 14:03:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_on [2022-07-21 14:03:01,673 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_on [2022-07-21 14:03:01,678 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_rx_engine [2022-07-21 14:03:01,678 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_rx_engine [2022-07-21 14:03:01,678 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-21 14:03:01,678 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-21 14:03:01,679 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-21 14:03:01,679 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-21 14:03:01,679 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 14:03:01,679 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 14:03:01,679 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 14:03:01,679 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 14:03:01,679 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_link [2022-07-21 14:03:01,680 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_link [2022-07-21 14:03:01,680 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 14:03:01,681 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 14:03:01,681 INFO L130 BoogieDeclarations]: Found specification of procedure jme_netpoll [2022-07-21 14:03:01,681 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_netpoll [2022-07-21 14:03:01,681 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2022-07-21 14:03:01,682 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2022-07-21 14:03:01,682 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-21 14:03:01,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-21 14:03:01,683 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 14:03:01,684 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 14:03:01,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 14:03:01,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 14:03:01,684 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 14:03:01,684 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 14:03:01,684 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-21 14:03:01,684 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-21 14:03:01,685 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-21 14:03:01,687 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 14:03:01,687 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 14:03:01,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 14:03:01,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 14:03:01,688 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-21 14:03:01,688 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-21 14:03:01,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 14:03:01,689 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-21 14:03:01,689 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-21 14:03:01,689 INFO L130 BoogieDeclarations]: Found specification of procedure jread32 [2022-07-21 14:03:01,689 INFO L138 BoogieDeclarations]: Found implementation of procedure jread32 [2022-07-21 14:03:01,689 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-07-21 14:03:01,689 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-07-21 14:03:01,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 14:03:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 14:03:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 14:03:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2022-07-21 14:03:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 14:03:01,690 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 14:03:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_rx_pcc [2022-07-21 14:03:01,690 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_rx_pcc [2022-07-21 14:03:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-21 14:03:01,691 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-21 14:03:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-21 14:03:01,691 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-21 14:03:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_unicastaddr [2022-07-21 14:03:01,692 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_unicastaddr [2022-07-21 14:03:01,692 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 14:03:01,692 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 14:03:01,692 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 14:03:01,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 14:03:01,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 14:03:01,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 14:03:01,693 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_calibration [2022-07-21 14:03:01,703 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_calibration [2022-07-21 14:03:01,704 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 14:03:01,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 14:03:01,704 INFO L130 BoogieDeclarations]: Found specification of procedure jme_restart_rx_engine [2022-07-21 14:03:01,704 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_restart_rx_engine [2022-07-21 14:03:01,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 14:03:01,704 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 14:03:01,704 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-21 14:03:01,704 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-21 14:03:01,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-21 14:03:01,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-21 14:03:01,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 14:03:01,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 14:03:01,705 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_hi_schedule [2022-07-21 14:03:01,705 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_hi_schedule [2022-07-21 14:03:01,705 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-21 14:03:01,705 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-21 14:03:01,706 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 14:03:01,706 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 14:03:01,706 INFO L130 BoogieDeclarations]: Found specification of procedure jme_linkstat_from_phy [2022-07-21 14:03:01,706 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_linkstat_from_phy [2022-07-21 14:03:01,706 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_write [2022-07-21 14:03:01,706 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_write [2022-07-21 14:03:01,706 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_on [2022-07-21 14:03:01,706 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_on [2022-07-21 14:03:01,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 14:03:01,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-21 14:03:01,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-21 14:03:01,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-21 14:03:01,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-21 14:03:01,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-21 14:03:01,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-21 14:03:01,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-21 14:03:01,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-21 14:03:01,708 INFO L130 BoogieDeclarations]: Found specification of procedure smi_phy_addr [2022-07-21 14:03:01,708 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_phy_addr [2022-07-21 14:03:01,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 14:03:01,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 14:03:01,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 14:03:01,708 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 14:03:01,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 14:03:01,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 14:03:01,709 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-21 14:03:01,709 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-21 14:03:01,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 14:03:01,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 14:03:01,709 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 14:03:01,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 14:03:01,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 14:03:01,709 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-21 14:03:01,709 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-21 14:03:01,710 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-21 14:03:01,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-21 14:03:01,710 INFO L130 BoogieDeclarations]: Found specification of procedure reg_dbg [2022-07-21 14:03:01,710 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_dbg [2022-07-21 14:03:01,710 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 14:03:01,710 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 14:03:01,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-21 14:03:01,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-21 14:03:01,710 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-21 14:03:01,711 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-21 14:03:01,711 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 14:03:01,711 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 14:03:01,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 14:03:01,711 INFO L130 BoogieDeclarations]: Found specification of procedure jme_start_irq [2022-07-21 14:03:01,711 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_start_irq [2022-07-21 14:03:01,711 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-21 14:03:01,711 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-21 14:03:01,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 14:03:01,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 14:03:01,712 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-21 14:03:01,712 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-21 14:03:01,712 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-21 14:03:01,712 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-21 14:03:01,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 14:03:01,712 INFO L130 BoogieDeclarations]: Found specification of procedure jme_fill_tx_map [2022-07-21 14:03:01,712 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_fill_tx_map [2022-07-21 14:03:01,713 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_tx_resources [2022-07-21 14:03:01,713 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_tx_resources [2022-07-21 14:03:01,713 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 14:03:01,713 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 14:03:01,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 14:03:01,713 INFO L130 BoogieDeclarations]: Found specification of procedure jme_polling_mode [2022-07-21 14:03:01,713 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_polling_mode [2022-07-21 14:03:01,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 14:03:01,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 14:03:01,714 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2022-07-21 14:03:01,714 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2022-07-21 14:03:01,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 14:03:01,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 14:03:01,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 14:03:01,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 14:03:01,714 INFO L130 BoogieDeclarations]: Found specification of procedure jme_remove_one [2022-07-21 14:03:01,714 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_remove_one [2022-07-21 14:03:01,714 INFO L130 BoogieDeclarations]: Found specification of procedure jme_powersave_phy [2022-07-21 14:03:01,715 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_powersave_phy [2022-07-21 14:03:01,715 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_on [2022-07-21 14:03:01,715 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_on [2022-07-21 14:03:01,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2022-07-21 14:03:01,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2022-07-21 14:03:01,715 INFO L130 BoogieDeclarations]: Found specification of procedure new_phy_power_ctrl [2022-07-21 14:03:01,715 INFO L138 BoogieDeclarations]: Found implementation of procedure new_phy_power_ctrl [2022-07-21 14:03:01,715 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 14:03:01,715 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 14:03:01,716 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-07-21 14:03:01,716 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-07-21 14:03:01,716 INFO L130 BoogieDeclarations]: Found specification of procedure jme_intr_msi [2022-07-21 14:03:01,716 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_intr_msi [2022-07-21 14:03:01,716 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32f [2022-07-21 14:03:01,716 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32f [2022-07-21 14:03:01,716 INFO L130 BoogieDeclarations]: Found specification of procedure smi_reg_addr [2022-07-21 14:03:01,716 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_reg_addr [2022-07-21 14:03:01,716 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_settings [2022-07-21 14:03:01,717 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_settings [2022-07-21 14:03:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-21 14:03:01,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-21 14:03:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-21 14:03:01,717 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-21 14:03:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 14:03:01,717 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 14:03:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 14:03:01,717 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 14:03:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-21 14:03:01,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-21 14:03:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-21 14:03:01,718 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-21 14:03:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure jme_nway_reset [2022-07-21 14:03:01,718 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_nway_reset [2022-07-21 14:03:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-21 14:03:01,718 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-21 14:03:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 14:03:01,719 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-21 14:03:01,719 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-21 14:03:01,719 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 14:03:01,719 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 14:03:01,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2022-07-21 14:03:01,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2022-07-21 14:03:01,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 14:03:01,719 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_rx_resources [2022-07-21 14:03:01,720 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_rx_resources [2022-07-21 14:03:01,720 INFO L130 BoogieDeclarations]: Found specification of procedure jme_resume [2022-07-21 14:03:01,720 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_resume [2022-07-21 14:03:01,720 INFO L130 BoogieDeclarations]: Found specification of procedure jme_tx_timeout [2022-07-21 14:03:01,720 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_tx_timeout [2022-07-21 14:03:01,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 14:03:01,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 14:03:01,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 14:03:01,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 14:03:01,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 14:03:01,721 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_tx_engine [2022-07-21 14:03:01,721 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_tx_engine [2022-07-21 14:03:01,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-21 14:03:01,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-21 14:03:01,721 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-21 14:03:01,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-21 14:03:01,722 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 14:03:01,722 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 14:03:01,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 14:03:01,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 14:03:01,722 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_off [2022-07-21 14:03:01,722 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_off [2022-07-21 14:03:01,722 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_setEA [2022-07-21 14:03:01,722 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_setEA [2022-07-21 14:03:01,723 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-07-21 14:03:01,723 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-07-21 14:03:01,723 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_multi [2022-07-21 14:03:01,723 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_multi [2022-07-21 14:03:01,723 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-21 14:03:01,723 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-21 14:03:01,723 INFO L130 BoogieDeclarations]: Found specification of procedure mmapio_memcpy [2022-07-21 14:03:01,723 INFO L138 BoogieDeclarations]: Found implementation of procedure mmapio_memcpy [2022-07-21 14:03:01,723 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-21 14:03:01,724 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-21 14:03:01,724 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 14:03:01,724 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 14:03:01,724 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_read [2022-07-21 14:03:01,724 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_read [2022-07-21 14:03:01,724 INFO L130 BoogieDeclarations]: Found specification of procedure jme_clear_pm [2022-07-21 14:03:01,724 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_clear_pm [2022-07-21 14:03:01,724 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-07-21 14:03:01,725 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-07-21 14:03:01,725 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 14:03:01,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 14:03:01,725 INFO L130 BoogieDeclarations]: Found specification of procedure jme_close [2022-07-21 14:03:01,725 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_close [2022-07-21 14:03:01,725 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 14:03:01,725 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 14:03:01,725 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-21 14:03:01,725 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-21 14:03:01,726 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_irq [2022-07-21 14:03:01,726 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_irq [2022-07-21 14:03:01,726 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 14:03:01,726 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 14:03:01,726 INFO L130 BoogieDeclarations]: Found specification of procedure jme_shutdown [2022-07-21 14:03:01,726 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_shutdown [2022-07-21 14:03:01,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 14:03:01,726 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_off [2022-07-21 14:03:01,727 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_off [2022-07-21 14:03:01,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 14:03:01,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 14:03:01,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 14:03:01,727 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_phy_processor [2022-07-21 14:03:01,727 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_phy_processor [2022-07-21 14:03:01,727 INFO L130 BoogieDeclarations]: Found specification of procedure jme_suspend [2022-07-21 14:03:01,727 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_suspend [2022-07-21 14:03:01,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 14:03:01,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 14:03:01,728 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_write [2022-07-21 14:03:01,728 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_write [2022-07-21 14:03:01,728 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-21 14:03:01,728 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-21 14:03:01,728 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_off [2022-07-21 14:03:01,728 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_off [2022-07-21 14:03:01,728 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_phyfifo_5level [2022-07-21 14:03:01,728 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_phyfifo_5level [2022-07-21 14:03:01,728 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-21 14:03:01,729 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-21 14:03:01,729 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-21 14:03:01,729 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-21 14:03:01,729 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_eeprom_len [2022-07-21 14:03:01,729 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_eeprom_len [2022-07-21 14:03:01,729 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2022-07-21 14:03:01,729 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2022-07-21 14:03:01,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 14:03:01,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 14:03:01,730 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_pcc_timer [2022-07-21 14:03:01,730 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_pcc_timer [2022-07-21 14:03:01,730 INFO L130 BoogieDeclarations]: Found specification of procedure jme_interrupt_mode [2022-07-21 14:03:01,730 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_interrupt_mode [2022-07-21 14:03:01,730 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_settings [2022-07-21 14:03:01,730 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_settings [2022-07-21 14:03:01,730 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_read [2022-07-21 14:03:01,730 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_read [2022-07-21 14:03:01,730 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-21 14:03:01,730 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-21 14:03:01,731 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-21 14:03:01,731 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-21 14:03:01,731 INFO L130 BoogieDeclarations]: Found specification of procedure jme_open [2022-07-21 14:03:01,731 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_open [2022-07-21 14:03:01,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 14:03:01,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 14:03:01,731 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-07-21 14:03:01,731 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-07-21 14:03:01,731 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-07-21 14:03:01,732 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-07-21 14:03:02,477 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 14:03:02,483 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 14:03:09,591 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 14:03:51,070 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 14:03:51,644 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 14:03:51,661 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 14:03:51,661 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-21 14:03:51,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:03:51 BoogieIcfgContainer [2022-07-21 14:03:51,666 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 14:03:51,668 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 14:03:51,668 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 14:03:51,670 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 14:03:51,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 02:02:56" (1/3) ... [2022-07-21 14:03:51,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@691f86d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:03:51, skipping insertion in model container [2022-07-21 14:03:51,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:03:00" (2/3) ... [2022-07-21 14:03:51,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@691f86d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:03:51, skipping insertion in model container [2022-07-21 14:03:51,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:03:51" (3/3) ... [2022-07-21 14:03:51,673 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i [2022-07-21 14:03:51,684 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 14:03:51,684 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-21 14:03:51,794 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 14:03:51,802 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@93905c4, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@47974269 [2022-07-21 14:03:51,802 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-21 14:03:51,814 INFO L276 IsEmpty]: Start isEmpty. Operand has 2623 states, 1769 states have (on average 1.2679479932165065) internal successors, (2243), 1819 states have internal predecessors, (2243), 707 states have call successors, (707), 150 states have call predecessors, (707), 149 states have return successors, (698), 682 states have call predecessors, (698), 698 states have call successors, (698) [2022-07-21 14:03:51,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-07-21 14:03:51,844 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:03:51,845 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:03:51,846 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:03:51,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:03:51,851 INFO L85 PathProgramCache]: Analyzing trace with hash -451639904, now seen corresponding path program 1 times [2022-07-21 14:03:51,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:03:51,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [580831447] [2022-07-21 14:03:51,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:03:51,866 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:03:51,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:03:51,896 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) [2022-07-21 14:03:51,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 14:03:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:53,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 1262 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:03:53,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:03:53,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-07-21 14:03:53,442 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:03:53,442 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:03:53,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [580831447] [2022-07-21 14:03:53,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [580831447] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:03:53,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:03:53,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:03:53,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802222690] [2022-07-21 14:03:53,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:03:53,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:03:53,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:03:53,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:03:53,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:03:53,476 INFO L87 Difference]: Start difference. First operand has 2623 states, 1769 states have (on average 1.2679479932165065) internal successors, (2243), 1819 states have internal predecessors, (2243), 707 states have call successors, (707), 150 states have call predecessors, (707), 149 states have return successors, (698), 682 states have call predecessors, (698), 698 states have call successors, (698) Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-21 14:03:54,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:03:54,166 INFO L93 Difference]: Finished difference Result 7673 states and 10785 transitions. [2022-07-21 14:03:54,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:03:54,169 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 225 [2022-07-21 14:03:54,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:03:54,221 INFO L225 Difference]: With dead ends: 7673 [2022-07-21 14:03:54,222 INFO L226 Difference]: Without dead ends: 5077 [2022-07-21 14:03:54,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:03:54,251 INFO L413 NwaCegarLoop]: 4276 mSDtfsCounter, 3473 mSDsluCounter, 3554 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3473 SdHoareTripleChecker+Valid, 7830 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 14:03:54,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3473 Valid, 7830 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 14:03:54,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5077 states. [2022-07-21 14:03:54,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5077 to 5075. [2022-07-21 14:03:54,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5075 states, 3428 states have (on average 1.2613768961493583) internal successors, (4324), 3521 states have internal predecessors, (4324), 1350 states have call successors, (1350), 296 states have call predecessors, (1350), 295 states have return successors, (1347), 1315 states have call predecessors, (1347), 1347 states have call successors, (1347) [2022-07-21 14:03:54,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5075 states to 5075 states and 7021 transitions. [2022-07-21 14:03:54,550 INFO L78 Accepts]: Start accepts. Automaton has 5075 states and 7021 transitions. Word has length 225 [2022-07-21 14:03:54,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:03:54,552 INFO L495 AbstractCegarLoop]: Abstraction has 5075 states and 7021 transitions. [2022-07-21 14:03:54,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-21 14:03:54,553 INFO L276 IsEmpty]: Start isEmpty. Operand 5075 states and 7021 transitions. [2022-07-21 14:03:54,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-07-21 14:03:54,563 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:03:54,564 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:03:54,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 14:03:54,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:03:54,788 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:03:54,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:03:54,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1698650712, now seen corresponding path program 1 times [2022-07-21 14:03:54,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:03:54,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1408002080] [2022-07-21 14:03:54,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:03:54,790 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:03:54,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:03:54,794 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) [2022-07-21 14:03:54,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 14:03:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:55,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 1348 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:03:55,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:03:56,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-07-21 14:03:56,322 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:03:56,322 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:03:56,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1408002080] [2022-07-21 14:03:56,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1408002080] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:03:56,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:03:56,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:03:56,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626023447] [2022-07-21 14:03:56,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:03:56,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:03:56,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:03:56,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:03:56,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:03:56,324 INFO L87 Difference]: Start difference. First operand 5075 states and 7021 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-21 14:03:57,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:03:57,255 INFO L93 Difference]: Finished difference Result 11990 states and 16547 transitions. [2022-07-21 14:03:57,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:03:57,256 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 247 [2022-07-21 14:03:57,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:03:57,305 INFO L225 Difference]: With dead ends: 11990 [2022-07-21 14:03:57,305 INFO L226 Difference]: Without dead ends: 6956 [2022-07-21 14:03:57,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:03:57,333 INFO L413 NwaCegarLoop]: 4167 mSDtfsCounter, 3003 mSDsluCounter, 3518 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3003 SdHoareTripleChecker+Valid, 7685 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 14:03:57,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3003 Valid, 7685 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 14:03:57,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6956 states. [2022-07-21 14:03:57,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6956 to 6947. [2022-07-21 14:03:57,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6947 states, 4702 states have (on average 1.2566992769034453) internal successors, (5909), 4830 states have internal predecessors, (5909), 1820 states have call successors, (1820), 425 states have call predecessors, (1820), 423 states have return successors, (1817), 1768 states have call predecessors, (1817), 1817 states have call successors, (1817) [2022-07-21 14:03:57,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6947 states to 6947 states and 9546 transitions. [2022-07-21 14:03:57,719 INFO L78 Accepts]: Start accepts. Automaton has 6947 states and 9546 transitions. Word has length 247 [2022-07-21 14:03:57,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:03:57,722 INFO L495 AbstractCegarLoop]: Abstraction has 6947 states and 9546 transitions. [2022-07-21 14:03:57,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-21 14:03:57,723 INFO L276 IsEmpty]: Start isEmpty. Operand 6947 states and 9546 transitions. [2022-07-21 14:03:57,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-07-21 14:03:57,728 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:03:57,729 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:03:57,805 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 14:03:57,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:03:57,955 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:03:57,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:03:57,956 INFO L85 PathProgramCache]: Analyzing trace with hash 502559660, now seen corresponding path program 1 times [2022-07-21 14:03:57,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:03:57,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1535994454] [2022-07-21 14:03:57,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:03:57,957 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:03:57,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:03:57,963 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) [2022-07-21 14:03:57,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 14:03:58,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:03:59,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 1327 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:03:59,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:03:59,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1435 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1381 trivial. 0 not checked. [2022-07-21 14:03:59,356 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:03:59,357 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:03:59,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1535994454] [2022-07-21 14:03:59,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1535994454] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:03:59,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:03:59,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:03:59,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054821299] [2022-07-21 14:03:59,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:03:59,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:03:59,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:03:59,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:03:59,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:03:59,358 INFO L87 Difference]: Start difference. First operand 6947 states and 9546 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-21 14:04:00,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:04:00,181 INFO L93 Difference]: Finished difference Result 18391 states and 25273 transitions. [2022-07-21 14:04:00,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:04:00,182 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 259 [2022-07-21 14:04:00,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:04:00,287 INFO L225 Difference]: With dead ends: 18391 [2022-07-21 14:04:00,287 INFO L226 Difference]: Without dead ends: 11485 [2022-07-21 14:04:00,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:04:00,324 INFO L413 NwaCegarLoop]: 4244 mSDtfsCounter, 3397 mSDsluCounter, 3538 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3397 SdHoareTripleChecker+Valid, 7782 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-21 14:04:00,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3397 Valid, 7782 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-21 14:04:00,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11485 states. [2022-07-21 14:04:00,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11485 to 11472. [2022-07-21 14:04:00,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11472 states, 7764 states have (on average 1.254765584750129) internal successors, (9742), 7986 states have internal predecessors, (9742), 3003 states have call successors, (3003), 706 states have call predecessors, (3003), 703 states have return successors, (3000), 2909 states have call predecessors, (3000), 3000 states have call successors, (3000) [2022-07-21 14:04:00,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11472 states to 11472 states and 15745 transitions. [2022-07-21 14:04:00,736 INFO L78 Accepts]: Start accepts. Automaton has 11472 states and 15745 transitions. Word has length 259 [2022-07-21 14:04:00,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:04:00,737 INFO L495 AbstractCegarLoop]: Abstraction has 11472 states and 15745 transitions. [2022-07-21 14:04:00,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-21 14:04:00,737 INFO L276 IsEmpty]: Start isEmpty. Operand 11472 states and 15745 transitions. [2022-07-21 14:04:00,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2022-07-21 14:04:00,746 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:04:00,746 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 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] [2022-07-21 14:04:00,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 14:04:00,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:04:00,963 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:04:00,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:04:00,964 INFO L85 PathProgramCache]: Analyzing trace with hash -2593651, now seen corresponding path program 1 times [2022-07-21 14:04:00,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:04:00,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1218941532] [2022-07-21 14:04:00,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:04:00,965 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:04:00,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:04:00,967 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) [2022-07-21 14:04:00,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 14:04:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:01,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 1387 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 14:04:01,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:04:05,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2022-07-21 14:04:05,850 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:04:05,850 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:04:05,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1218941532] [2022-07-21 14:04:05,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1218941532] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:04:05,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:04:05,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 14:04:05,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184248044] [2022-07-21 14:04:05,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:04:05,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 14:04:05,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:04:05,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 14:04:05,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 14:04:05,853 INFO L87 Difference]: Start difference. First operand 11472 states and 15745 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2022-07-21 14:04:06,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:04:06,352 INFO L93 Difference]: Finished difference Result 11472 states and 15745 transitions. [2022-07-21 14:04:06,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 14:04:06,352 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 281 [2022-07-21 14:04:06,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:04:06,411 INFO L225 Difference]: With dead ends: 11472 [2022-07-21 14:04:06,412 INFO L226 Difference]: Without dead ends: 11417 [2022-07-21 14:04:06,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:04:06,423 INFO L413 NwaCegarLoop]: 3579 mSDtfsCounter, 3466 mSDsluCounter, 3579 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3466 SdHoareTripleChecker+Valid, 7158 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 14:04:06,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3466 Valid, 7158 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 14:04:06,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11417 states. [2022-07-21 14:04:06,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11417 to 11417. [2022-07-21 14:04:06,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11417 states, 7739 states have (on average 1.2540379894043159) internal successors, (9705), 7949 states have internal predecessors, (9705), 2976 states have call successors, (2976), 701 states have call predecessors, (2976), 701 states have return successors, (2976), 2896 states have call predecessors, (2976), 2976 states have call successors, (2976) [2022-07-21 14:04:06,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11417 states to 11417 states and 15657 transitions. [2022-07-21 14:04:06,788 INFO L78 Accepts]: Start accepts. Automaton has 11417 states and 15657 transitions. Word has length 281 [2022-07-21 14:04:06,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:04:06,791 INFO L495 AbstractCegarLoop]: Abstraction has 11417 states and 15657 transitions. [2022-07-21 14:04:06,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2022-07-21 14:04:06,791 INFO L276 IsEmpty]: Start isEmpty. Operand 11417 states and 15657 transitions. [2022-07-21 14:04:06,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2022-07-21 14:04:06,861 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:04:06,862 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:04:06,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 14:04:07,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:04:07,073 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:04:07,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:04:07,074 INFO L85 PathProgramCache]: Analyzing trace with hash -991394371, now seen corresponding path program 1 times [2022-07-21 14:04:07,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:04:07,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1164694117] [2022-07-21 14:04:07,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:04:07,075 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:04:07,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:04:07,081 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) [2022-07-21 14:04:07,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 14:04:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:08,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 1490 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:04:08,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:04:09,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2022-07-21 14:04:09,006 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:04:09,006 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:04:09,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1164694117] [2022-07-21 14:04:09,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1164694117] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:04:09,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:04:09,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:04:09,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615242147] [2022-07-21 14:04:09,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:04:09,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:04:09,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:04:09,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:04:09,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:04:09,007 INFO L87 Difference]: Start difference. First operand 11417 states and 15657 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-07-21 14:04:10,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:04:10,029 INFO L93 Difference]: Finished difference Result 25038 states and 34349 transitions. [2022-07-21 14:04:10,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:04:10,029 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 311 [2022-07-21 14:04:10,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:04:10,109 INFO L225 Difference]: With dead ends: 25038 [2022-07-21 14:04:10,110 INFO L226 Difference]: Without dead ends: 15726 [2022-07-21 14:04:10,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:04:10,161 INFO L413 NwaCegarLoop]: 6415 mSDtfsCounter, 2958 mSDsluCounter, 3488 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2958 SdHoareTripleChecker+Valid, 9903 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 14:04:10,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2958 Valid, 9903 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 14:04:10,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15726 states. [2022-07-21 14:04:10,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15726 to 15722. [2022-07-21 14:04:10,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15722 states, 10661 states have (on average 1.253447143795141) internal successors, (13363), 10951 states have internal predecessors, (13363), 4086 states have call successors, (4086), 974 states have call predecessors, (4086), 974 states have return successors, (4086), 3974 states have call predecessors, (4086), 4086 states have call successors, (4086) [2022-07-21 14:04:10,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15722 states to 15722 states and 21535 transitions. [2022-07-21 14:04:10,798 INFO L78 Accepts]: Start accepts. Automaton has 15722 states and 21535 transitions. Word has length 311 [2022-07-21 14:04:10,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:04:10,798 INFO L495 AbstractCegarLoop]: Abstraction has 15722 states and 21535 transitions. [2022-07-21 14:04:10,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-07-21 14:04:10,799 INFO L276 IsEmpty]: Start isEmpty. Operand 15722 states and 21535 transitions. [2022-07-21 14:04:10,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2022-07-21 14:04:10,825 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:04:10,825 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 18, 18, 18, 18, 18, 18, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:04:10,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 14:04:11,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:04:11,052 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:04:11,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:04:11,052 INFO L85 PathProgramCache]: Analyzing trace with hash -529675242, now seen corresponding path program 1 times [2022-07-21 14:04:11,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:04:11,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1243783815] [2022-07-21 14:04:11,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:04:11,054 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:04:11,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:04:11,063 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) [2022-07-21 14:04:11,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 14:04:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:12,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 1480 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:04:12,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:04:12,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 1572 trivial. 0 not checked. [2022-07-21 14:04:12,331 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:04:12,331 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:04:12,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1243783815] [2022-07-21 14:04:12,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1243783815] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:04:12,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:04:12,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:04:12,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763363482] [2022-07-21 14:04:12,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:04:12,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:04:12,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:04:12,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:04:12,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:04:12,332 INFO L87 Difference]: Start difference. First operand 15722 states and 21535 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-21 14:04:13,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:04:13,198 INFO L93 Difference]: Finished difference Result 42692 states and 58511 transitions. [2022-07-21 14:04:13,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:04:13,199 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 335 [2022-07-21 14:04:13,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:04:13,289 INFO L225 Difference]: With dead ends: 42692 [2022-07-21 14:04:13,289 INFO L226 Difference]: Without dead ends: 26965 [2022-07-21 14:04:13,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:04:13,329 INFO L413 NwaCegarLoop]: 6586 mSDtfsCounter, 3427 mSDsluCounter, 3534 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3427 SdHoareTripleChecker+Valid, 10120 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 14:04:13,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3427 Valid, 10120 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 14:04:13,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26965 states. [2022-07-21 14:04:14,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26965 to 26963. [2022-07-21 14:04:14,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26963 states, 18276 states have (on average 1.254541475158678) internal successors, (22928), 18770 states have internal predecessors, (22928), 7016 states have call successors, (7016), 1670 states have call predecessors, (7016), 1670 states have return successors, (7016), 6830 states have call predecessors, (7016), 7016 states have call successors, (7016) [2022-07-21 14:04:14,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26963 states to 26963 states and 36960 transitions. [2022-07-21 14:04:14,144 INFO L78 Accepts]: Start accepts. Automaton has 26963 states and 36960 transitions. Word has length 335 [2022-07-21 14:04:14,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:04:14,144 INFO L495 AbstractCegarLoop]: Abstraction has 26963 states and 36960 transitions. [2022-07-21 14:04:14,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-21 14:04:14,145 INFO L276 IsEmpty]: Start isEmpty. Operand 26963 states and 36960 transitions. [2022-07-21 14:04:14,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2022-07-21 14:04:14,168 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:04:14,168 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 18, 18, 18, 18, 18, 18, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:04:14,194 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 14:04:14,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:04:14,384 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:04:14,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:04:14,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1368708904, now seen corresponding path program 1 times [2022-07-21 14:04:14,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:04:14,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1429548900] [2022-07-21 14:04:14,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:04:14,386 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:04:14,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:04:14,396 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) [2022-07-21 14:04:14,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 14:04:15,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:15,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 1480 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:04:15,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:04:15,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 1572 trivial. 0 not checked. [2022-07-21 14:04:15,667 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:04:15,668 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:04:15,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1429548900] [2022-07-21 14:04:15,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1429548900] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:04:15,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:04:15,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:04:15,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188002286] [2022-07-21 14:04:15,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:04:15,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:04:15,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:04:15,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:04:15,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:04:15,669 INFO L87 Difference]: Start difference. First operand 26963 states and 36960 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-21 14:04:16,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:04:16,949 INFO L93 Difference]: Finished difference Result 65168 states and 89355 transitions. [2022-07-21 14:04:16,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:04:16,949 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 335 [2022-07-21 14:04:16,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:04:17,380 INFO L225 Difference]: With dead ends: 65168 [2022-07-21 14:04:17,380 INFO L226 Difference]: Without dead ends: 40310 [2022-07-21 14:04:17,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:04:17,546 INFO L413 NwaCegarLoop]: 6981 mSDtfsCounter, 3432 mSDsluCounter, 3529 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3432 SdHoareTripleChecker+Valid, 10510 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 14:04:17,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3432 Valid, 10510 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 14:04:17,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40310 states. [2022-07-21 14:04:18,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40310 to 40308. [2022-07-21 14:04:18,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40308 states, 27330 states have (on average 1.2547383827296013) internal successors, (34292), 28066 states have internal predecessors, (34292), 10480 states have call successors, (10480), 2497 states have call predecessors, (10480), 2497 states have return successors, (10480), 10206 states have call predecessors, (10480), 10480 states have call successors, (10480) [2022-07-21 14:04:18,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40308 states to 40308 states and 55252 transitions. [2022-07-21 14:04:18,981 INFO L78 Accepts]: Start accepts. Automaton has 40308 states and 55252 transitions. Word has length 335 [2022-07-21 14:04:18,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:04:18,982 INFO L495 AbstractCegarLoop]: Abstraction has 40308 states and 55252 transitions. [2022-07-21 14:04:18,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-21 14:04:18,982 INFO L276 IsEmpty]: Start isEmpty. Operand 40308 states and 55252 transitions. [2022-07-21 14:04:19,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2022-07-21 14:04:19,032 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:04:19,032 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 18, 18, 18, 18, 18, 18, 7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:04:19,064 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-21 14:04:19,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:04:19,256 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:04:19,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:04:19,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1042881162, now seen corresponding path program 1 times [2022-07-21 14:04:19,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:04:19,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1369118889] [2022-07-21 14:04:19,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:04:19,258 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:04:19,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:04:19,259 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) [2022-07-21 14:04:19,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-21 14:04:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:04:20,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 1516 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-21 14:04:20,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:04:22,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1939 backedges. 414 proven. 3 refuted. 0 times theorem prover too weak. 1522 trivial. 0 not checked. [2022-07-21 14:04:22,987 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 14:04:25,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1939 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 1873 trivial. 0 not checked. [2022-07-21 14:04:25,932 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:04:25,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1369118889] [2022-07-21 14:04:25,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1369118889] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 14:04:25,933 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 14:04:25,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 22 [2022-07-21 14:04:25,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329432254] [2022-07-21 14:04:25,933 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 14:04:25,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-07-21 14:04:25,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:04:25,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-07-21 14:04:25,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-07-21 14:04:25,935 INFO L87 Difference]: Start difference. First operand 40308 states and 55252 transitions. Second operand has 22 states, 21 states have (on average 6.761904761904762) internal successors, (142), 20 states have internal predecessors, (142), 6 states have call successors, (49), 3 states have call predecessors, (49), 8 states have return successors, (49), 7 states have call predecessors, (49), 6 states have call successors, (49) [2022-07-21 14:05:31,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:05:31,223 INFO L93 Difference]: Finished difference Result 103176 states and 141430 transitions. [2022-07-21 14:05:31,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-21 14:05:31,224 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.761904761904762) internal successors, (142), 20 states have internal predecessors, (142), 6 states have call successors, (49), 3 states have call predecessors, (49), 8 states have return successors, (49), 7 states have call predecessors, (49), 6 states have call successors, (49) Word has length 359 [2022-07-21 14:05:31,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:05:31,612 INFO L225 Difference]: With dead ends: 103176 [2022-07-21 14:05:31,613 INFO L226 Difference]: Without dead ends: 62839 [2022-07-21 14:05:31,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 730 GetRequests, 697 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=173, Invalid=1017, Unknown=0, NotChecked=0, Total=1190 [2022-07-21 14:05:31,918 INFO L413 NwaCegarLoop]: 7245 mSDtfsCounter, 12691 mSDsluCounter, 90226 mSDsCounter, 0 mSdLazyCounter, 7345 mSolverCounterSat, 2603 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13012 SdHoareTripleChecker+Valid, 97471 SdHoareTripleChecker+Invalid, 9948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 2603 IncrementalHoareTripleChecker+Valid, 7345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.5s IncrementalHoareTripleChecker+Time [2022-07-21 14:05:31,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13012 Valid, 97471 Invalid, 9948 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [2603 Valid, 7345 Invalid, 0 Unknown, 0 Unchecked, 60.5s Time] [2022-07-21 14:05:31,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62839 states. [2022-07-21 14:05:33,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62839 to 40352. [2022-07-21 14:05:33,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40352 states, 27361 states have (on average 1.254486312634772) internal successors, (34324), 28097 states have internal predecessors, (34324), 10482 states have call successors, (10482), 2508 states have call predecessors, (10482), 2508 states have return successors, (10482), 10208 states have call predecessors, (10482), 10482 states have call successors, (10482) [2022-07-21 14:05:33,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40352 states to 40352 states and 55288 transitions. [2022-07-21 14:05:33,765 INFO L78 Accepts]: Start accepts. Automaton has 40352 states and 55288 transitions. Word has length 359 [2022-07-21 14:05:33,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:05:33,780 INFO L495 AbstractCegarLoop]: Abstraction has 40352 states and 55288 transitions. [2022-07-21 14:05:33,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.761904761904762) internal successors, (142), 20 states have internal predecessors, (142), 6 states have call successors, (49), 3 states have call predecessors, (49), 8 states have return successors, (49), 7 states have call predecessors, (49), 6 states have call successors, (49) [2022-07-21 14:05:33,780 INFO L276 IsEmpty]: Start isEmpty. Operand 40352 states and 55288 transitions. [2022-07-21 14:05:33,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2022-07-21 14:05:33,817 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:05:33,818 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 18, 18, 18, 18, 18, 18, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:05:33,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-21 14:05:34,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:05:34,044 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:05:34,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:05:34,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1976025518, now seen corresponding path program 1 times [2022-07-21 14:05:34,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:05:34,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1806432025] [2022-07-21 14:05:34,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:05:34,045 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:05:34,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:05:34,056 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:05:34,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-21 14:05:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:35,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 1533 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:05:35,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:05:35,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1967 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 1738 trivial. 0 not checked. [2022-07-21 14:05:35,330 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:05:35,330 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:05:35,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1806432025] [2022-07-21 14:05:35,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1806432025] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:05:35,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:05:35,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:05:35,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621251011] [2022-07-21 14:05:35,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:05:35,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:05:35,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:05:35,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:05:35,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:05:35,332 INFO L87 Difference]: Start difference. First operand 40352 states and 55288 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-21 14:05:36,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:05:36,913 INFO L93 Difference]: Finished difference Result 91928 states and 125975 transitions. [2022-07-21 14:05:36,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:05:36,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 367 [2022-07-21 14:05:36,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:05:37,295 INFO L225 Difference]: With dead ends: 91928 [2022-07-21 14:05:37,296 INFO L226 Difference]: Without dead ends: 51595 [2022-07-21 14:05:37,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 365 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:05:37,405 INFO L413 NwaCegarLoop]: 6986 mSDtfsCounter, 3425 mSDsluCounter, 3534 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3425 SdHoareTripleChecker+Valid, 10520 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 14:05:37,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3425 Valid, 10520 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 14:05:37,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51595 states. [2022-07-21 14:05:38,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51595 to 40352. [2022-07-21 14:05:38,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40352 states, 27361 states have (on average 1.2544497642630021) internal successors, (34323), 28097 states have internal predecessors, (34323), 10482 states have call successors, (10482), 2508 states have call predecessors, (10482), 2508 states have return successors, (10482), 10208 states have call predecessors, (10482), 10482 states have call successors, (10482) [2022-07-21 14:05:39,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40352 states to 40352 states and 55287 transitions. [2022-07-21 14:05:39,033 INFO L78 Accepts]: Start accepts. Automaton has 40352 states and 55287 transitions. Word has length 367 [2022-07-21 14:05:39,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:05:39,033 INFO L495 AbstractCegarLoop]: Abstraction has 40352 states and 55287 transitions. [2022-07-21 14:05:39,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-21 14:05:39,034 INFO L276 IsEmpty]: Start isEmpty. Operand 40352 states and 55287 transitions. [2022-07-21 14:05:39,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2022-07-21 14:05:39,060 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:05:39,060 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 18, 18, 18, 18, 18, 18, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:05:39,105 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-07-21 14:05:39,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:05:39,276 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:05:39,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:05:39,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1479908116, now seen corresponding path program 1 times [2022-07-21 14:05:39,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:05:39,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [557724962] [2022-07-21 14:05:39,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:05:39,278 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:05:39,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:05:39,283 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:05:39,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-21 14:05:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:40,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 1533 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:05:40,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:05:40,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1967 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 1836 trivial. 0 not checked. [2022-07-21 14:05:40,802 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:05:40,802 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:05:40,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [557724962] [2022-07-21 14:05:40,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [557724962] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:05:40,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:05:40,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:05:40,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409805762] [2022-07-21 14:05:40,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:05:40,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:05:40,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:05:40,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:05:40,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:05:40,803 INFO L87 Difference]: Start difference. First operand 40352 states and 55287 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-21 14:05:42,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:05:42,855 INFO L93 Difference]: Finished difference Result 98411 states and 134876 transitions. [2022-07-21 14:05:42,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:05:42,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 367 [2022-07-21 14:05:42,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:05:43,248 INFO L225 Difference]: With dead ends: 98411 [2022-07-21 14:05:43,248 INFO L226 Difference]: Without dead ends: 60164 [2022-07-21 14:05:43,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 365 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:05:43,352 INFO L413 NwaCegarLoop]: 6926 mSDtfsCounter, 3366 mSDsluCounter, 3505 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3366 SdHoareTripleChecker+Valid, 10431 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-21 14:05:43,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3366 Valid, 10431 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-21 14:05:43,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60164 states. [2022-07-21 14:05:45,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60164 to 60156. [2022-07-21 14:05:45,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60156 states, 40786 states have (on average 1.253763546314912) internal successors, (51136), 41893 states have internal predecessors, (51136), 15621 states have call successors, (15621), 3748 states have call predecessors, (15621), 3748 states have return successors, (15621), 15207 states have call predecessors, (15621), 15621 states have call successors, (15621) [2022-07-21 14:05:45,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60156 states to 60156 states and 82378 transitions. [2022-07-21 14:05:45,750 INFO L78 Accepts]: Start accepts. Automaton has 60156 states and 82378 transitions. Word has length 367 [2022-07-21 14:05:45,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:05:45,751 INFO L495 AbstractCegarLoop]: Abstraction has 60156 states and 82378 transitions. [2022-07-21 14:05:45,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-21 14:05:45,752 INFO L276 IsEmpty]: Start isEmpty. Operand 60156 states and 82378 transitions. [2022-07-21 14:05:45,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-07-21 14:05:45,824 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:05:45,825 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 18, 18, 18, 18, 18, 18, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:05:45,850 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-21 14:05:46,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:05:46,040 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:05:46,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:05:46,040 INFO L85 PathProgramCache]: Analyzing trace with hash 173178619, now seen corresponding path program 1 times [2022-07-21 14:05:46,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:05:46,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1863753369] [2022-07-21 14:05:46,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:05:46,042 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:05:46,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:05:46,043 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:05:46,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-21 14:05:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:47,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:05:47,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:05:47,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1928 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 1803 trivial. 0 not checked. [2022-07-21 14:05:47,601 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:05:47,601 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:05:47,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1863753369] [2022-07-21 14:05:47,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1863753369] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:05:47,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:05:47,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:05:47,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673039845] [2022-07-21 14:05:47,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:05:47,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:05:47,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:05:47,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:05:47,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:05:47,603 INFO L87 Difference]: Start difference. First operand 60156 states and 82378 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-21 14:05:50,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:05:50,615 INFO L93 Difference]: Finished difference Result 137163 states and 187848 transitions. [2022-07-21 14:05:50,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:05:50,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 385 [2022-07-21 14:05:50,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:05:50,985 INFO L225 Difference]: With dead ends: 137163 [2022-07-21 14:05:50,985 INFO L226 Difference]: Without dead ends: 77028 [2022-07-21 14:05:51,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 383 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:05:51,171 INFO L413 NwaCegarLoop]: 6532 mSDtfsCounter, 2973 mSDsluCounter, 3495 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2973 SdHoareTripleChecker+Valid, 10027 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 14:05:51,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2973 Valid, 10027 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 14:05:51,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77028 states. [2022-07-21 14:05:53,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77028 to 77023. [2022-07-21 14:05:54,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77023 states, 52224 states have (on average 1.253274356617647) internal successors, (65451), 53642 states have internal predecessors, (65451), 19975 states have call successors, (19975), 4823 states have call predecessors, (19975), 4823 states have return successors, (19975), 19442 states have call predecessors, (19975), 19975 states have call successors, (19975) [2022-07-21 14:05:54,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77023 states to 77023 states and 105401 transitions. [2022-07-21 14:05:54,347 INFO L78 Accepts]: Start accepts. Automaton has 77023 states and 105401 transitions. Word has length 385 [2022-07-21 14:05:54,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:05:54,347 INFO L495 AbstractCegarLoop]: Abstraction has 77023 states and 105401 transitions. [2022-07-21 14:05:54,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-21 14:05:54,348 INFO L276 IsEmpty]: Start isEmpty. Operand 77023 states and 105401 transitions. [2022-07-21 14:05:54,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-07-21 14:05:54,375 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:05:54,376 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 18, 18, 18, 18, 18, 18, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:05:54,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-21 14:05:54,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:05:54,604 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:05:54,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:05:54,604 INFO L85 PathProgramCache]: Analyzing trace with hash 2101451321, now seen corresponding path program 1 times [2022-07-21 14:05:54,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:05:54,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1894746332] [2022-07-21 14:05:54,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:05:54,605 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:05:54,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:05:54,607 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:05:54,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-21 14:05:55,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:55,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 14:05:55,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:06:01,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1928 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1928 trivial. 0 not checked. [2022-07-21 14:06:01,348 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:06:01,348 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:06:01,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1894746332] [2022-07-21 14:06:01,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1894746332] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:06:01,348 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:06:01,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 14:06:01,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344376669] [2022-07-21 14:06:01,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:06:01,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 14:06:01,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:06:01,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 14:06:01,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 14:06:01,349 INFO L87 Difference]: Start difference. First operand 77023 states and 105401 transitions. Second operand has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2022-07-21 14:06:03,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:06:03,744 INFO L93 Difference]: Finished difference Result 77059 states and 105440 transitions. [2022-07-21 14:06:03,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 14:06:03,745 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 385 [2022-07-21 14:06:03,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:06:03,750 INFO L225 Difference]: With dead ends: 77059 [2022-07-21 14:06:03,750 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 14:06:03,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:06:03,908 INFO L413 NwaCegarLoop]: 3552 mSDtfsCounter, 3380 mSDsluCounter, 3550 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3380 SdHoareTripleChecker+Valid, 7102 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 14:06:03,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3380 Valid, 7102 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 14:06:03,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 14:06:03,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 14:06:03,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 14:06:03,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 14:06:03,922 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 385 [2022-07-21 14:06:03,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:06:03,922 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 14:06:03,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2022-07-21 14:06:03,923 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 14:06:03,923 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 14:06:03,925 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-07-21 14:06:03,925 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-07-21 14:06:03,973 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2022-07-21 14:06:04,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:06:04,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.