./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-wireless-rndis_wlan.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rndis_wlan.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 760ec64c2425d439883c5d1074b52af06ed0343ac750305f469404408ecd0aa4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 15:34:37,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 15:34:37,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 15:34:37,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 15:34:37,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 15:34:37,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 15:34:37,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 15:34:37,486 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 15:34:37,487 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 15:34:37,488 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 15:34:37,488 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 15:34:37,489 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 15:34:37,489 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 15:34:37,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 15:34:37,490 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 15:34:37,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 15:34:37,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 15:34:37,492 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 15:34:37,493 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 15:34:37,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 15:34:37,495 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 15:34:37,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 15:34:37,504 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 15:34:37,505 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 15:34:37,506 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 15:34:37,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 15:34:37,510 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 15:34:37,511 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 15:34:37,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 15:34:37,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 15:34:37,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 15:34:37,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 15:34:37,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 15:34:37,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 15:34:37,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 15:34:37,516 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 15:34:37,516 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 15:34:37,516 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 15:34:37,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 15:34:37,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 15:34:37,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 15:34:37,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 15:34:37,520 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 15:34:37,542 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 15:34:37,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 15:34:37,543 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 15:34:37,543 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 15:34:37,544 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 15:34:37,544 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 15:34:37,544 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 15:34:37,545 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 15:34:37,545 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 15:34:37,545 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 15:34:37,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 15:34:37,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 15:34:37,546 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 15:34:37,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 15:34:37,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 15:34:37,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 15:34:37,546 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 15:34:37,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 15:34:37,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 15:34:37,547 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 15:34:37,548 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 15:34:37,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:34:37,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 15:34:37,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 15:34:37,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 15:34:37,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 15:34:37,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 15:34:37,549 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 15:34:37,549 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 15:34:37,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 15:34:37,549 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 760ec64c2425d439883c5d1074b52af06ed0343ac750305f469404408ecd0aa4 [2022-07-12 15:34:37,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 15:34:37,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 15:34:37,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 15:34:37,784 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 15:34:37,785 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 15:34:37,786 INFO L432 ainManager$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-wireless-rndis_wlan.cil.i [2022-07-12 15:34:37,848 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4e86de28/8d2c413e74be4d41aab774bba0a0b1d8/FLAG4789cc6d5 [2022-07-12 15:34:38,539 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 15:34:38,540 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-wireless-rndis_wlan.cil.i [2022-07-12 15:34:38,660 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4e86de28/8d2c413e74be4d41aab774bba0a0b1d8/FLAG4789cc6d5 [2022-07-12 15:34:39,075 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4e86de28/8d2c413e74be4d41aab774bba0a0b1d8 [2022-07-12 15:34:39,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 15:34:39,079 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 15:34:39,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 15:34:39,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 15:34:39,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 15:34:39,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:34:39" (1/1) ... [2022-07-12 15:34:39,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d43d690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:34:39, skipping insertion in model container [2022-07-12 15:34:39,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:34:39" (1/1) ... [2022-07-12 15:34:39,091 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 15:34:39,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 15:34:41,527 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-wireless-rndis_wlan.cil.i[464274,464287] [2022-07-12 15:34:41,530 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-wireless-rndis_wlan.cil.i[464421,464434] [2022-07-12 15:34:41,530 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-wireless-rndis_wlan.cil.i[464560,464573] [2022-07-12 15:34:41,534 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-wireless-rndis_wlan.cil.i[464718,464731] [2022-07-12 15:34:41,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:34:41,576 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 15:34:41,731 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: HeapLValues must be converted to RValue before their value can be queried. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:517) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-12 15:34:41,737 INFO L158 Benchmark]: Toolchain (without parser) took 2656.07ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 88.3MB in the beginning and 101.3MB in the end (delta: -13.1MB). Peak memory consumption was 92.5MB. Max. memory is 16.1GB. [2022-07-12 15:34:41,738 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 86.0MB. Free memory was 45.1MB in the beginning and 45.1MB in the end (delta: 45.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 15:34:41,738 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2654.32ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 88.0MB in the beginning and 101.3MB in the end (delta: -13.4MB). Peak memory consumption was 92.5MB. Max. memory is 16.1GB. [2022-07-12 15:34:41,739 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 86.0MB. Free memory was 45.1MB in the beginning and 45.1MB in the end (delta: 45.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2654.32ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 88.0MB in the beginning and 101.3MB in the end (delta: -13.4MB). Peak memory consumption was 92.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rndis_wlan.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 760ec64c2425d439883c5d1074b52af06ed0343ac750305f469404408ecd0aa4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 15:34:43,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 15:34:43,250 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 15:34:43,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 15:34:43,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 15:34:43,279 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 15:34:43,282 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 15:34:43,284 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 15:34:43,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 15:34:43,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 15:34:43,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 15:34:43,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 15:34:43,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 15:34:43,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 15:34:43,296 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 15:34:43,299 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 15:34:43,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 15:34:43,301 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 15:34:43,303 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 15:34:43,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 15:34:43,305 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 15:34:43,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 15:34:43,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 15:34:43,310 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 15:34:43,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 15:34:43,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 15:34:43,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 15:34:43,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 15:34:43,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 15:34:43,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 15:34:43,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 15:34:43,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 15:34:43,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 15:34:43,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 15:34:43,331 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 15:34:43,332 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 15:34:43,332 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 15:34:43,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 15:34:43,333 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 15:34:43,333 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 15:34:43,334 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 15:34:43,335 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 15:34:43,339 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 15:34:43,358 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 15:34:43,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 15:34:43,359 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 15:34:43,360 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 15:34:43,360 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 15:34:43,360 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 15:34:43,361 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 15:34:43,361 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 15:34:43,361 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 15:34:43,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 15:34:43,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 15:34:43,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 15:34:43,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 15:34:43,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 15:34:43,363 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 15:34:43,363 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 15:34:43,363 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 15:34:43,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 15:34:43,363 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 15:34:43,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 15:34:43,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 15:34:43,364 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 15:34:43,364 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 15:34:43,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:34:43,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 15:34:43,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 15:34:43,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 15:34:43,365 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 15:34:43,365 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 15:34:43,365 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 15:34:43,365 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 15:34:43,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 15:34:43,365 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 15:34:43,366 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 760ec64c2425d439883c5d1074b52af06ed0343ac750305f469404408ecd0aa4 [2022-07-12 15:34:43,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 15:34:43,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 15:34:43,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 15:34:43,662 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 15:34:43,669 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 15:34:43,670 INFO L432 ainManager$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-wireless-rndis_wlan.cil.i [2022-07-12 15:34:43,717 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63256cc3f/12432b0f8b894cdca76b8f7f90207ce0/FLAG585c52098 [2022-07-12 15:34:44,411 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 15:34:44,412 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-wireless-rndis_wlan.cil.i [2022-07-12 15:34:44,474 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63256cc3f/12432b0f8b894cdca76b8f7f90207ce0/FLAG585c52098 [2022-07-12 15:34:44,747 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63256cc3f/12432b0f8b894cdca76b8f7f90207ce0 [2022-07-12 15:34:44,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 15:34:44,750 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 15:34:44,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 15:34:44,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 15:34:44,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 15:34:44,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:34:44" (1/1) ... [2022-07-12 15:34:44,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56a8f0aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:34:44, skipping insertion in model container [2022-07-12 15:34:44,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:34:44" (1/1) ... [2022-07-12 15:34:44,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 15:34:44,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 15:34:47,306 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-wireless-rndis_wlan.cil.i[464274,464287] [2022-07-12 15:34:47,309 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-wireless-rndis_wlan.cil.i[464421,464434] [2022-07-12 15:34:47,310 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-wireless-rndis_wlan.cil.i[464560,464573] [2022-07-12 15:34:47,310 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-wireless-rndis_wlan.cil.i[464718,464731] [2022-07-12 15:34:47,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:34:47,375 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 15:34:47,479 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 15:34:47,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rndis_wlan.cil.i[464274,464287] [2022-07-12 15:34:47,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rndis_wlan.cil.i[464421,464434] [2022-07-12 15:34:47,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rndis_wlan.cil.i[464560,464573] [2022-07-12 15:34:47,758 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-wireless-rndis_wlan.cil.i[464718,464731] [2022-07-12 15:34:47,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:34:47,819 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 15:34:48,192 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-wireless-rndis_wlan.cil.i[464274,464287] [2022-07-12 15:34:48,193 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-wireless-rndis_wlan.cil.i[464421,464434] [2022-07-12 15:34:48,193 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-wireless-rndis_wlan.cil.i[464560,464573] [2022-07-12 15:34:48,194 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-wireless-rndis_wlan.cil.i[464718,464731] [2022-07-12 15:34:48,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:34:48,326 INFO L208 MainTranslator]: Completed translation [2022-07-12 15:34:48,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:34:48 WrapperNode [2022-07-12 15:34:48,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 15:34:48,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 15:34:48,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 15:34:48,329 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 15:34:48,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:34:48" (1/1) ... [2022-07-12 15:34:48,456 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:34:48" (1/1) ... [2022-07-12 15:34:48,680 INFO L137 Inliner]: procedures = 411, calls = 4490, calls flagged for inlining = 219, calls inlined = 198, statements flattened = 8658 [2022-07-12 15:34:48,682 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 15:34:48,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 15:34:48,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 15:34:48,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 15:34:48,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:34:48" (1/1) ... [2022-07-12 15:34:48,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:34:48" (1/1) ... [2022-07-12 15:34:48,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:34:48" (1/1) ... [2022-07-12 15:34:48,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:34:48" (1/1) ... [2022-07-12 15:34:48,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:34:48" (1/1) ... [2022-07-12 15:34:48,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:34:48" (1/1) ... [2022-07-12 15:34:48,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:34:48" (1/1) ... [2022-07-12 15:34:49,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 15:34:49,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 15:34:49,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 15:34:49,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 15:34:49,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:34:48" (1/1) ... [2022-07-12 15:34:49,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:34:49,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 15:34:49,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 15:34:49,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 15:34:49,105 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2022-07-12 15:34:49,105 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2022-07-12 15:34:49,105 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-07-12 15:34:49,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-07-12 15:34:49,106 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2022-07-12 15:34:49,106 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2022-07-12 15:34:49,106 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2022-07-12 15:34:49,106 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2022-07-12 15:34:49,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 15:34:49,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 15:34:49,106 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2022-07-12 15:34:49,106 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2022-07-12 15:34:49,106 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2022-07-12 15:34:49,107 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2022-07-12 15:34:49,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 15:34:49,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 15:34:49,107 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2022-07-12 15:34:49,107 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2022-07-12 15:34:49,107 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2022-07-12 15:34:49,107 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2022-07-12 15:34:49,108 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2022-07-12 15:34:49,108 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2022-07-12 15:34:49,108 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2022-07-12 15:34:49,108 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2022-07-12 15:34:49,108 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2022-07-12 15:34:49,108 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2022-07-12 15:34:49,108 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2022-07-12 15:34:49,109 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2022-07-12 15:34:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2022-07-12 15:34:49,109 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2022-07-12 15:34:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 15:34:49,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 15:34:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-07-12 15:34:49,109 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-07-12 15:34:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 15:34:49,110 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 15:34:49,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 15:34:49,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 15:34:49,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 15:34:49,111 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2022-07-12 15:34:49,111 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2022-07-12 15:34:49,111 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2022-07-12 15:34:49,111 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2022-07-12 15:34:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-12 15:34:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 15:34:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 15:34:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 15:34:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2022-07-12 15:34:49,112 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2022-07-12 15:34:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-12 15:34:49,112 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-12 15:34:49,113 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 15:34:49,113 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 15:34:49,113 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2022-07-12 15:34:49,113 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2022-07-12 15:34:49,113 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2022-07-12 15:34:49,113 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2022-07-12 15:34:49,113 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2022-07-12 15:34:49,113 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2022-07-12 15:34:49,114 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2022-07-12 15:34:49,114 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2022-07-12 15:34:49,114 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2022-07-12 15:34:49,114 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2022-07-12 15:34:49,115 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2022-07-12 15:34:49,115 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2022-07-12 15:34:49,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 15:34:49,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 15:34:49,115 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2022-07-12 15:34:49,115 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2022-07-12 15:34:49,115 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2022-07-12 15:34:49,115 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2022-07-12 15:34:49,116 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2022-07-12 15:34:49,116 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2022-07-12 15:34:49,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 15:34:49,116 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 15:34:49,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 15:34:49,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 15:34:49,117 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2022-07-12 15:34:49,117 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2022-07-12 15:34:49,117 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2022-07-12 15:34:49,117 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2022-07-12 15:34:49,117 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2022-07-12 15:34:49,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2022-07-12 15:34:49,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 15:34:49,118 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2022-07-12 15:34:49,118 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2022-07-12 15:34:49,118 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2022-07-12 15:34:49,118 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2022-07-12 15:34:49,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-12 15:34:49,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-12 15:34:49,119 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2022-07-12 15:34:49,119 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2022-07-12 15:34:49,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-12 15:34:49,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-12 15:34:49,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 15:34:49,119 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2022-07-12 15:34:49,120 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2022-07-12 15:34:49,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 15:34:49,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 15:34:49,120 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2022-07-12 15:34:49,120 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2022-07-12 15:34:49,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 15:34:49,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 15:34:49,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 15:34:49,123 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2022-07-12 15:34:49,124 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2022-07-12 15:34:49,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 15:34:49,124 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2022-07-12 15:34:49,125 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2022-07-12 15:34:49,125 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2022-07-12 15:34:49,125 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2022-07-12 15:34:49,125 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2022-07-12 15:34:49,133 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2022-07-12 15:34:49,134 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-12 15:34:49,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-12 15:34:49,136 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2022-07-12 15:34:49,136 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2022-07-12 15:34:49,137 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-07-12 15:34:49,137 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-07-12 15:34:49,137 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 15:34:49,137 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 15:34:49,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 15:34:49,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 15:34:49,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 15:34:49,137 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 15:34:49,137 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 15:34:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-12 15:34:49,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-12 15:34:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 15:34:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 15:34:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 15:34:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 15:34:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 15:34:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 15:34:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 15:34:49,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 15:34:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-07-12 15:34:49,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-07-12 15:34:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-12 15:34:49,139 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-12 15:34:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2022-07-12 15:34:49,139 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2022-07-12 15:34:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 15:34:49,139 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 15:34:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2022-07-12 15:34:49,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2022-07-12 15:34:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-12 15:34:49,140 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-12 15:34:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2022-07-12 15:34:49,140 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2022-07-12 15:34:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2022-07-12 15:34:49,140 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2022-07-12 15:34:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2022-07-12 15:34:49,140 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2022-07-12 15:34:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 15:34:49,141 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 15:34:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2022-07-12 15:34:49,141 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2022-07-12 15:34:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 15:34:49,141 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 15:34:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-12 15:34:49,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-12 15:34:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-12 15:34:49,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-12 15:34:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 15:34:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 15:34:49,142 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 15:34:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2022-07-12 15:34:49,142 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2022-07-12 15:34:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 15:34:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2022-07-12 15:34:49,142 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2022-07-12 15:34:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2022-07-12 15:34:49,142 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2022-07-12 15:34:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2022-07-12 15:34:49,143 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2022-07-12 15:34:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 15:34:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 15:34:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 15:34:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-12 15:34:49,143 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-12 15:34:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 15:34:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 15:34:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2022-07-12 15:34:49,144 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2022-07-12 15:34:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-12 15:34:49,144 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-12 15:34:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2022-07-12 15:34:49,144 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2022-07-12 15:34:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-12 15:34:49,144 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-12 15:34:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 15:34:49,144 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 15:34:49,145 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2022-07-12 15:34:49,145 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2022-07-12 15:34:49,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 15:34:49,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 15:34:49,145 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-12 15:34:49,145 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-12 15:34:49,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2022-07-12 15:34:49,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2022-07-12 15:34:49,145 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-12 15:34:49,145 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-12 15:34:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 15:34:49,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 15:34:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2022-07-12 15:34:49,146 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2022-07-12 15:34:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-07-12 15:34:49,146 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-07-12 15:34:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 15:34:49,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 15:34:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2022-07-12 15:34:49,146 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2022-07-12 15:34:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 15:34:49,147 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 15:34:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2022-07-12 15:34:49,147 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2022-07-12 15:34:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2022-07-12 15:34:49,147 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2022-07-12 15:34:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2022-07-12 15:34:49,147 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2022-07-12 15:34:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2022-07-12 15:34:49,148 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2022-07-12 15:34:49,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 15:34:49,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 15:34:49,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 15:34:49,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 15:34:49,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 15:34:49,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 15:34:49,149 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2022-07-12 15:34:49,152 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2022-07-12 15:34:49,152 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-07-12 15:34:49,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-07-12 15:34:49,152 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-12 15:34:49,152 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-12 15:34:49,153 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2022-07-12 15:34:49,153 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2022-07-12 15:34:49,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 15:34:49,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 15:34:49,154 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-12 15:34:49,154 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-12 15:34:49,154 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2022-07-12 15:34:49,154 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2022-07-12 15:34:49,155 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2022-07-12 15:34:49,155 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2022-07-12 15:34:49,155 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2022-07-12 15:34:49,155 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2022-07-12 15:34:49,155 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2022-07-12 15:34:49,155 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2022-07-12 15:34:49,155 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2022-07-12 15:34:49,155 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2022-07-12 15:34:49,155 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-07-12 15:34:49,155 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-12 15:34:49,155 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-12 15:34:49,156 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2022-07-12 15:34:49,156 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2022-07-12 15:34:49,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 15:34:49,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 15:34:50,049 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 15:34:50,052 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 15:34:57,520 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 15:37:18,006 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 15:37:23,471 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 15:37:23,491 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 15:37:23,491 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-12 15:37:23,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:37:23 BoogieIcfgContainer [2022-07-12 15:37:23,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 15:37:23,505 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 15:37:23,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 15:37:23,508 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 15:37:23,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 03:34:44" (1/3) ... [2022-07-12 15:37:23,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@792efa3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:37:23, skipping insertion in model container [2022-07-12 15:37:23,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:34:48" (2/3) ... [2022-07-12 15:37:23,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@792efa3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:37:23, skipping insertion in model container [2022-07-12 15:37:23,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:37:23" (3/3) ... [2022-07-12 15:37:23,510 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rndis_wlan.cil.i [2022-07-12 15:37:23,522 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 15:37:23,522 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-12 15:37:23,680 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 15:37:23,689 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@8868372, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@97908f2 [2022-07-12 15:37:23,689 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-12 15:37:23,704 INFO L276 IsEmpty]: Start isEmpty. Operand has 2634 states, 1846 states have (on average 1.3076923076923077) internal successors, (2414), 1849 states have internal predecessors, (2414), 674 states have call successors, (674), 113 states have call predecessors, (674), 112 states have return successors, (666), 666 states have call predecessors, (666), 666 states have call successors, (666) [2022-07-12 15:37:23,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2022-07-12 15:37:23,749 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:37:23,750 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:37:23,750 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:37:23,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:37:23,756 INFO L85 PathProgramCache]: Analyzing trace with hash 478673280, now seen corresponding path program 1 times [2022-07-12 15:37:23,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:37:23,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2137991412] [2022-07-12 15:37:23,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:37:23,775 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:37:23,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:37:23,777 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:37:23,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 15:37:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:37:27,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 4032 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:37:27,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:37:29,078 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-12 15:37:29,078 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:37:29,079 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:37:29,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2137991412] [2022-07-12 15:37:29,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2137991412] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:37:29,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:37:29,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:37:29,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384404466] [2022-07-12 15:37:29,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:37:29,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:37:29,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:37:29,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:37:29,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:37:29,140 INFO L87 Difference]: Start difference. First operand has 2634 states, 1846 states have (on average 1.3076923076923077) internal successors, (2414), 1849 states have internal predecessors, (2414), 674 states have call successors, (674), 113 states have call predecessors, (674), 112 states have return successors, (666), 666 states have call predecessors, (666), 666 states have call successors, (666) Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-12 15:37:31,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:37:31,477 INFO L93 Difference]: Finished difference Result 7632 states and 10965 transitions. [2022-07-12 15:37:31,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:37:31,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 429 [2022-07-12 15:37:31,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:37:31,527 INFO L225 Difference]: With dead ends: 7632 [2022-07-12 15:37:31,527 INFO L226 Difference]: Without dead ends: 5062 [2022-07-12 15:37:31,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 427 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:37:31,553 INFO L413 NwaCegarLoop]: 4354 mSDtfsCounter, 3509 mSDsluCounter, 3671 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3509 SdHoareTripleChecker+Valid, 8025 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-12 15:37:31,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3509 Valid, 8025 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-12 15:37:31,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5062 states. [2022-07-12 15:37:31,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5062 to 5060. [2022-07-12 15:37:31,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5060 states, 3567 states have (on average 1.3078216989066442) internal successors, (4665), 3572 states have internal predecessors, (4665), 1270 states have call successors, (1270), 222 states have call predecessors, (1270), 221 states have return successors, (1267), 1267 states have call predecessors, (1267), 1267 states have call successors, (1267) [2022-07-12 15:37:31,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5060 states to 5060 states and 7202 transitions. [2022-07-12 15:37:31,889 INFO L78 Accepts]: Start accepts. Automaton has 5060 states and 7202 transitions. Word has length 429 [2022-07-12 15:37:31,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:37:31,893 INFO L495 AbstractCegarLoop]: Abstraction has 5060 states and 7202 transitions. [2022-07-12 15:37:31,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-12 15:37:31,893 INFO L276 IsEmpty]: Start isEmpty. Operand 5060 states and 7202 transitions. [2022-07-12 15:37:31,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2022-07-12 15:37:31,914 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:37:31,915 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:37:32,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 15:37:32,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:37:32,132 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:37:32,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:37:32,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1769632464, now seen corresponding path program 1 times [2022-07-12 15:37:32,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:37:32,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [793560546] [2022-07-12 15:37:32,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:37:32,139 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:37:32,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:37:32,141 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:37:32,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 15:37:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:37:35,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 4214 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:37:35,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:37:37,059 INFO L134 CoverageAnalysis]: Checked inductivity of 5871 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5763 trivial. 0 not checked. [2022-07-12 15:37:37,060 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:37:37,060 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:37:37,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [793560546] [2022-07-12 15:37:37,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [793560546] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:37:37,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:37:37,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:37:37,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181316349] [2022-07-12 15:37:37,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:37:37,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:37:37,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:37:37,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:37:37,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:37:37,071 INFO L87 Difference]: Start difference. First operand 5060 states and 7202 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-12 15:37:38,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:37:38,807 INFO L93 Difference]: Finished difference Result 14788 states and 21053 transitions. [2022-07-12 15:37:38,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:37:38,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 495 [2022-07-12 15:37:38,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:37:38,882 INFO L225 Difference]: With dead ends: 14788 [2022-07-12 15:37:38,883 INFO L226 Difference]: Without dead ends: 9805 [2022-07-12 15:37:38,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 494 GetRequests, 493 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:37:38,921 INFO L413 NwaCegarLoop]: 4323 mSDtfsCounter, 3409 mSDsluCounter, 3680 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3409 SdHoareTripleChecker+Valid, 8003 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-12 15:37:38,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3409 Valid, 8003 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-12 15:37:38,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9805 states. [2022-07-12 15:37:39,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9805 to 9794. [2022-07-12 15:37:39,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9794 states, 6921 states have (on average 1.309203872272793) internal successors, (9061), 6935 states have internal predecessors, (9061), 2437 states have call successors, (2437), 435 states have call predecessors, (2437), 434 states have return successors, (2434), 2427 states have call predecessors, (2434), 2434 states have call successors, (2434) [2022-07-12 15:37:39,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9794 states to 9794 states and 13932 transitions. [2022-07-12 15:37:39,341 INFO L78 Accepts]: Start accepts. Automaton has 9794 states and 13932 transitions. Word has length 495 [2022-07-12 15:37:39,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:37:39,341 INFO L495 AbstractCegarLoop]: Abstraction has 9794 states and 13932 transitions. [2022-07-12 15:37:39,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-12 15:37:39,342 INFO L276 IsEmpty]: Start isEmpty. Operand 9794 states and 13932 transitions. [2022-07-12 15:37:39,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2022-07-12 15:37:39,362 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:37:39,363 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:37:39,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 15:37:39,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:37:39,576 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:37:39,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:37:39,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1726832612, now seen corresponding path program 1 times [2022-07-12 15:37:39,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:37:39,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1533886744] [2022-07-12 15:37:39,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:37:39,582 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:37:39,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:37:39,596 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:37:39,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 15:37:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:37:43,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 4164 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:37:43,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:37:44,389 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 6015 trivial. 0 not checked. [2022-07-12 15:37:44,389 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:37:44,390 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:37:44,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1533886744] [2022-07-12 15:37:44,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1533886744] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:37:44,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:37:44,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:37:44,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422171932] [2022-07-12 15:37:44,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:37:44,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:37:44,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:37:44,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:37:44,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:37:44,392 INFO L87 Difference]: Start difference. First operand 9794 states and 13932 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-07-12 15:37:46,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:37:46,365 INFO L93 Difference]: Finished difference Result 19535 states and 27792 transitions. [2022-07-12 15:37:46,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:37:46,366 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 492 [2022-07-12 15:37:46,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:37:46,499 INFO L225 Difference]: With dead ends: 19535 [2022-07-12 15:37:46,499 INFO L226 Difference]: Without dead ends: 14566 [2022-07-12 15:37:46,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 490 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:37:46,555 INFO L413 NwaCegarLoop]: 7189 mSDtfsCounter, 3468 mSDsluCounter, 3676 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3468 SdHoareTripleChecker+Valid, 10865 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-12 15:37:46,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3468 Valid, 10865 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-12 15:37:46,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14566 states. [2022-07-12 15:37:47,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14566 to 14564. [2022-07-12 15:37:47,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14564 states, 10299 states have (on average 1.3101271968152248) internal successors, (13493), 10317 states have internal predecessors, (13493), 3613 states have call successors, (3613), 651 states have call predecessors, (3613), 650 states have return successors, (3610), 3601 states have call predecessors, (3610), 3610 states have call successors, (3610) [2022-07-12 15:37:47,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14564 states to 14564 states and 20716 transitions. [2022-07-12 15:37:47,316 INFO L78 Accepts]: Start accepts. Automaton has 14564 states and 20716 transitions. Word has length 492 [2022-07-12 15:37:47,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:37:47,317 INFO L495 AbstractCegarLoop]: Abstraction has 14564 states and 20716 transitions. [2022-07-12 15:37:47,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-07-12 15:37:47,317 INFO L276 IsEmpty]: Start isEmpty. Operand 14564 states and 20716 transitions. [2022-07-12 15:37:47,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2022-07-12 15:37:47,344 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:37:47,345 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:37:47,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 15:37:47,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:37:47,560 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:37:47,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:37:47,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1704200358, now seen corresponding path program 1 times [2022-07-12 15:37:47,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:37:47,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [397234448] [2022-07-12 15:37:47,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:37:47,566 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:37:47,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:37:47,567 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:37:47,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 15:37:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:37:51,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 4164 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 15:37:51,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:38:14,038 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2022-07-12 15:38:14,038 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:38:14,038 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:38:14,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [397234448] [2022-07-12 15:38:14,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [397234448] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:38:14,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:38:14,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:38:14,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463926368] [2022-07-12 15:38:14,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:38:14,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:38:14,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:38:14,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:38:14,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:38:14,040 INFO L87 Difference]: Start difference. First operand 14564 states and 20716 transitions. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2022-07-12 15:38:14,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:38:14,775 INFO L93 Difference]: Finished difference Result 14564 states and 20716 transitions. [2022-07-12 15:38:14,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 15:38:14,776 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) Word has length 492 [2022-07-12 15:38:14,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:38:14,838 INFO L225 Difference]: With dead ends: 14564 [2022-07-12 15:38:14,838 INFO L226 Difference]: Without dead ends: 14525 [2022-07-12 15:38:14,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 489 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 15:38:14,857 INFO L413 NwaCegarLoop]: 3717 mSDtfsCounter, 3543 mSDsluCounter, 3717 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3543 SdHoareTripleChecker+Valid, 7434 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-12 15:38:14,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3543 Valid, 7434 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-12 15:38:14,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14525 states. [2022-07-12 15:38:15,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14525 to 14525. [2022-07-12 15:38:15,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14525 states, 10278 states have (on average 1.3101770772523837) internal successors, (13466), 10290 states have internal predecessors, (13466), 3598 states have call successors, (3598), 648 states have call predecessors, (3598), 648 states have return successors, (3598), 3592 states have call predecessors, (3598), 3598 states have call successors, (3598) [2022-07-12 15:38:15,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14525 states to 14525 states and 20662 transitions. [2022-07-12 15:38:15,378 INFO L78 Accepts]: Start accepts. Automaton has 14525 states and 20662 transitions. Word has length 492 [2022-07-12 15:38:15,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:38:15,379 INFO L495 AbstractCegarLoop]: Abstraction has 14525 states and 20662 transitions. [2022-07-12 15:38:15,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2022-07-12 15:38:15,380 INFO L276 IsEmpty]: Start isEmpty. Operand 14525 states and 20662 transitions. [2022-07-12 15:38:15,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2022-07-12 15:38:15,402 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:38:15,403 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 36, 36, 36, 36, 36, 36, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:38:15,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 15:38:15,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:38:15,631 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:38:15,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:38:15,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1999974807, now seen corresponding path program 1 times [2022-07-12 15:38:15,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:38:15,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [393474852] [2022-07-12 15:38:15,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:38:15,635 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:38:15,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:38:15,636 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:38:15,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 15:38:18,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:38:19,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 4255 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:38:19,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:38:19,975 INFO L134 CoverageAnalysis]: Checked inductivity of 6017 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 5787 trivial. 0 not checked. [2022-07-12 15:38:19,976 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:38:19,976 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:38:19,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [393474852] [2022-07-12 15:38:19,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [393474852] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:38:19,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:38:19,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:38:19,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483192927] [2022-07-12 15:38:19,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:38:19,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:38:19,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:38:19,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:38:19,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:38:19,978 INFO L87 Difference]: Start difference. First operand 14525 states and 20662 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-07-12 15:38:21,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:38:21,051 INFO L93 Difference]: Finished difference Result 36213 states and 51487 transitions. [2022-07-12 15:38:21,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:38:21,052 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 522 [2022-07-12 15:38:21,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:38:21,140 INFO L225 Difference]: With dead ends: 36213 [2022-07-12 15:38:21,141 INFO L226 Difference]: Without dead ends: 21765 [2022-07-12 15:38:21,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 521 GetRequests, 520 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:38:21,280 INFO L413 NwaCegarLoop]: 4522 mSDtfsCounter, 3545 mSDsluCounter, 3680 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3545 SdHoareTripleChecker+Valid, 8202 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 15:38:21,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3545 Valid, 8202 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 15:38:21,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21765 states. [2022-07-12 15:38:22,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21765 to 21761. [2022-07-12 15:38:22,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21761 states, 15408 states have (on average 1.309319833852544) internal successors, (20174), 15423 states have internal predecessors, (20174), 5373 states have call successors, (5373), 979 states have call predecessors, (5373), 979 states have return successors, (5373), 5367 states have call predecessors, (5373), 5373 states have call successors, (5373) [2022-07-12 15:38:22,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21761 states to 21761 states and 30920 transitions. [2022-07-12 15:38:22,321 INFO L78 Accepts]: Start accepts. Automaton has 21761 states and 30920 transitions. Word has length 522 [2022-07-12 15:38:22,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:38:22,323 INFO L495 AbstractCegarLoop]: Abstraction has 21761 states and 30920 transitions. [2022-07-12 15:38:22,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-07-12 15:38:22,324 INFO L276 IsEmpty]: Start isEmpty. Operand 21761 states and 30920 transitions. [2022-07-12 15:38:22,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 594 [2022-07-12 15:38:22,462 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:38:22,462 INFO L195 NwaCegarLoop]: trace histogram [41, 41, 36, 36, 36, 36, 36, 36, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:38:22,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 15:38:22,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:38:22,672 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:38:22,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:38:22,673 INFO L85 PathProgramCache]: Analyzing trace with hash -909716579, now seen corresponding path program 1 times [2022-07-12 15:38:22,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:38:22,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1020506473] [2022-07-12 15:38:22,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:38:22,676 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:38:22,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:38:22,678 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:38:22,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 15:38:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:38:26,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 4404 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 15:38:26,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:38:52,201 INFO L134 CoverageAnalysis]: Checked inductivity of 6510 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6510 trivial. 0 not checked. [2022-07-12 15:38:52,202 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:38:52,202 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:38:52,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1020506473] [2022-07-12 15:38:52,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1020506473] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:38:52,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:38:52,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:38:52,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134157189] [2022-07-12 15:38:52,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:38:52,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:38:52,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:38:52,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:38:52,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:38:52,205 INFO L87 Difference]: Start difference. First operand 21761 states and 30920 transitions. Second operand has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52)