./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 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-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-?-3598765 [2022-07-21 14:08:08,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:08:08,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:08:08,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:08:08,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:08:08,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:08:08,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:08:08,475 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:08:08,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:08:08,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:08:08,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:08:08,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:08:08,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:08:08,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:08:08,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:08:08,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:08:08,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:08:08,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:08:08,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:08:08,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:08:08,502 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:08:08,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:08:08,504 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:08:08,505 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:08:08,507 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:08:08,513 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:08:08,513 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:08:08,513 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:08:08,514 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:08:08,515 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:08:08,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:08:08,516 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:08:08,517 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:08:08,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:08:08,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:08:08,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:08:08,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:08:08,521 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:08:08,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:08:08,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:08:08,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:08:08,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:08:08,529 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 14:08:08,570 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:08:08,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:08:08,571 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:08:08,572 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:08:08,572 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:08:08,573 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:08:08,573 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:08:08,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:08:08,574 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:08:08,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:08:08,575 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 14:08:08,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:08:08,575 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:08:08,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:08:08,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:08:08,576 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:08:08,576 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:08:08,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:08:08,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:08:08,577 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:08:08,577 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:08:08,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:08:08,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:08:08,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:08:08,578 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:08:08,579 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 14:08:08,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 14:08:08,579 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:08:08,579 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:08:08,579 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:08:08,580 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 760ec64c2425d439883c5d1074b52af06ed0343ac750305f469404408ecd0aa4 [2022-07-21 14:08:08,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:08:08,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:08:08,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:08:08,930 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:08:08,931 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:08:08,933 INFO L432 ainManager$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 [2022-07-21 14:08:08,984 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f11f34c3c/0adbaf7418a44a4a8e46265faa575e88/FLAG07ee57192 [2022-07-21 14:08:09,801 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:08:09,803 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 [2022-07-21 14:08:09,865 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f11f34c3c/0adbaf7418a44a4a8e46265faa575e88/FLAG07ee57192 [2022-07-21 14:08:10,310 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f11f34c3c/0adbaf7418a44a4a8e46265faa575e88 [2022-07-21 14:08:10,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:08:10,315 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:08:10,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:08:10,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:08:10,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:08:10,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:08:10" (1/1) ... [2022-07-21 14:08:10,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@606909b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:08:10, skipping insertion in model container [2022-07-21 14:08:10,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:08:10" (1/1) ... [2022-07-21 14:08:10,328 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:08:10,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:08:13,130 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] [2022-07-21 14:08:13,133 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] [2022-07-21 14:08:13,134 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rndis_wlan.cil.i[464560,464573] [2022-07-21 14:08:13,134 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rndis_wlan.cil.i[464718,464731] [2022-07-21 14:08:13,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:08:13,206 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:08:13,466 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) [2022-07-21 14:08:13,472 INFO L158 Benchmark]: Toolchain (without parser) took 3155.87ms. Allocated memory was 56.6MB in the beginning and 159.4MB in the end (delta: 102.8MB). Free memory was 28.0MB in the beginning and 70.2MB in the end (delta: -42.2MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. [2022-07-21 14:08:13,472 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 56.6MB. Free memory was 38.3MB in the beginning and 38.2MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 14:08:13,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3154.06ms. Allocated memory was 56.6MB in the beginning and 159.4MB in the end (delta: 102.8MB). Free memory was 27.8MB in the beginning and 70.2MB in the end (delta: -42.4MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. [2022-07-21 14:08:13,475 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 56.6MB. Free memory was 38.3MB in the beginning and 38.2MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3154.06ms. Allocated memory was 56.6MB in the beginning and 159.4MB in the end (delta: 102.8MB). Free memory was 27.8MB in the beginning and 70.2MB in the end (delta: -42.4MB). Peak memory consumption was 56.8MB. 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-?-3598765 [2022-07-21 14:08:15,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:08:15,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:08:15,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:08:15,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:08:15,186 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:08:15,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:08:15,193 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:08:15,195 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:08:15,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:08:15,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:08:15,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:08:15,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:08:15,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:08:15,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:08:15,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:08:15,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:08:15,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:08:15,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:08:15,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:08:15,216 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:08:15,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:08:15,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:08:15,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:08:15,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:08:15,228 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:08:15,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:08:15,229 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:08:15,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:08:15,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:08:15,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:08:15,231 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:08:15,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:08:15,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:08:15,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:08:15,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:08:15,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:08:15,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:08:15,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:08:15,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:08:15,237 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:08:15,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:08:15,246 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 14:08:15,277 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:08:15,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:08:15,278 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:08:15,278 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:08:15,279 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:08:15,279 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:08:15,280 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:08:15,280 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:08:15,280 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:08:15,281 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:08:15,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:08:15,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:08:15,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:08:15,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:08:15,282 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 14:08:15,282 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 14:08:15,282 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 14:08:15,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:08:15,283 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:08:15,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:08:15,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:08:15,283 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:08:15,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:08:15,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:08:15,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:08:15,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:08:15,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:08:15,284 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 14:08:15,285 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 14:08:15,285 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:08:15,285 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:08:15,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:08:15,285 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 14:08:15,286 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 760ec64c2425d439883c5d1074b52af06ed0343ac750305f469404408ecd0aa4 [2022-07-21 14:08:15,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:08:15,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:08:15,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:08:15,636 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:08:15,637 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:08:15,638 INFO L432 ainManager$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 [2022-07-21 14:08:15,691 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1563d6907/6fb739728fe448d9a80e5704fe50ef34/FLAGb36cf4afa [2022-07-21 14:08:16,572 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:08:16,573 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 [2022-07-21 14:08:16,630 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1563d6907/6fb739728fe448d9a80e5704fe50ef34/FLAGb36cf4afa [2022-07-21 14:08:16,698 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1563d6907/6fb739728fe448d9a80e5704fe50ef34 [2022-07-21 14:08:16,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:08:16,702 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:08:16,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:08:16,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:08:16,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:08:16,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:08:16" (1/1) ... [2022-07-21 14:08:16,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9052fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:08:16, skipping insertion in model container [2022-07-21 14:08:16,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:08:16" (1/1) ... [2022-07-21 14:08:16,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:08:16,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:08:19,954 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] [2022-07-21 14:08:19,956 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] [2022-07-21 14:08:19,957 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] [2022-07-21 14:08:19,958 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] [2022-07-21 14:08:19,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:08:20,033 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 14:08:20,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:08:20,500 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] [2022-07-21 14:08:20,501 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] [2022-07-21 14:08:20,501 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] [2022-07-21 14:08:20,501 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] [2022-07-21 14:08:20,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:08:20,525 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:08:21,029 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] [2022-07-21 14:08:21,030 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] [2022-07-21 14:08:21,030 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] [2022-07-21 14:08:21,031 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] [2022-07-21 14:08:21,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:08:21,250 INFO L208 MainTranslator]: Completed translation [2022-07-21 14:08:21,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:08:21 WrapperNode [2022-07-21 14:08:21,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 14:08:21,252 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 14:08:21,252 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 14:08:21,252 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 14:08:21,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:08:21" (1/1) ... [2022-07-21 14:08:21,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:08:21" (1/1) ... [2022-07-21 14:08:21,530 INFO L137 Inliner]: procedures = 411, calls = 4490, calls flagged for inlining = 219, calls inlined = 198, statements flattened = 8658 [2022-07-21 14:08:21,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 14:08:21,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 14:08:21,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 14:08:21,531 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 14:08:21,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:08:21" (1/1) ... [2022-07-21 14:08:21,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:08:21" (1/1) ... [2022-07-21 14:08:21,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:08:21" (1/1) ... [2022-07-21 14:08:21,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:08:21" (1/1) ... [2022-07-21 14:08:21,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:08:21" (1/1) ... [2022-07-21 14:08:21,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:08:21" (1/1) ... [2022-07-21 14:08:21,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:08:21" (1/1) ... [2022-07-21 14:08:21,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 14:08:21,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 14:08:21,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 14:08:21,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 14:08:21,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:08:21" (1/1) ... [2022-07-21 14:08:21,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:08:21,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:08:21,984 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 14:08:21,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 14:08:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2022-07-21 14:08:22,016 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2022-07-21 14:08:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-07-21 14:08:22,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-07-21 14:08:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2022-07-21 14:08:22,017 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2022-07-21 14:08:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2022-07-21 14:08:22,017 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2022-07-21 14:08:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 14:08:22,017 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 14:08:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2022-07-21 14:08:22,018 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2022-07-21 14:08:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2022-07-21 14:08:22,018 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2022-07-21 14:08:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 14:08:22,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 14:08:22,019 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2022-07-21 14:08:22,019 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2022-07-21 14:08:22,019 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2022-07-21 14:08:22,019 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2022-07-21 14:08:22,019 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2022-07-21 14:08:22,019 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2022-07-21 14:08:22,019 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2022-07-21 14:08:22,020 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2022-07-21 14:08:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2022-07-21 14:08:22,020 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2022-07-21 14:08:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2022-07-21 14:08:22,020 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2022-07-21 14:08:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2022-07-21 14:08:22,020 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2022-07-21 14:08:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 14:08:22,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 14:08:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-07-21 14:08:22,021 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-07-21 14:08:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 14:08:22,021 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 14:08:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 14:08:22,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 14:08:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 14:08:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2022-07-21 14:08:22,022 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2022-07-21 14:08:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2022-07-21 14:08:22,022 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2022-07-21 14:08:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-21 14:08:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 14:08:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 14:08:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 14:08:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2022-07-21 14:08:22,023 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2022-07-21 14:08:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-21 14:08:22,023 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-21 14:08:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 14:08:22,023 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 14:08:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2022-07-21 14:08:22,024 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2022-07-21 14:08:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2022-07-21 14:08:22,024 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2022-07-21 14:08:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2022-07-21 14:08:22,024 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2022-07-21 14:08:22,025 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2022-07-21 14:08:22,025 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2022-07-21 14:08:22,025 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2022-07-21 14:08:22,025 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2022-07-21 14:08:22,025 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2022-07-21 14:08:22,025 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2022-07-21 14:08:22,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 14:08:22,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 14:08:22,026 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2022-07-21 14:08:22,026 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2022-07-21 14:08:22,026 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2022-07-21 14:08:22,026 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2022-07-21 14:08:22,026 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2022-07-21 14:08:22,027 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2022-07-21 14:08:22,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 14:08:22,027 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 14:08:22,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 14:08:22,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 14:08:22,027 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2022-07-21 14:08:22,028 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2022-07-21 14:08:22,028 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2022-07-21 14:08:22,028 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2022-07-21 14:08:22,028 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2022-07-21 14:08:22,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2022-07-21 14:08:22,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 14:08:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2022-07-21 14:08:22,029 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2022-07-21 14:08:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2022-07-21 14:08:22,029 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2022-07-21 14:08:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-21 14:08:22,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-21 14:08:22,030 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2022-07-21 14:08:22,030 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2022-07-21 14:08:22,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-21 14:08:22,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-21 14:08:22,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 14:08:22,030 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2022-07-21 14:08:22,031 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2022-07-21 14:08:22,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 14:08:22,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 14:08:22,031 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2022-07-21 14:08:22,031 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2022-07-21 14:08:22,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 14:08:22,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 14:08:22,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 14:08:22,032 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2022-07-21 14:08:22,032 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2022-07-21 14:08:22,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 14:08:22,032 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2022-07-21 14:08:22,033 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2022-07-21 14:08:22,033 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2022-07-21 14:08:22,033 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2022-07-21 14:08:22,033 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2022-07-21 14:08:22,033 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2022-07-21 14:08:22,033 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-21 14:08:22,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-21 14:08:22,034 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2022-07-21 14:08:22,034 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2022-07-21 14:08:22,034 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-07-21 14:08:22,034 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-07-21 14:08:22,034 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 14:08:22,034 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 14:08:22,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 14:08:22,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 14:08:22,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 14:08:22,035 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-21 14:08:22,035 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-21 14:08:22,035 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-21 14:08:22,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-21 14:08:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 14:08:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 14:08:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 14:08:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 14:08:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 14:08:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 14:08:22,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 14:08:22,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 14:08:22,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-07-21 14:08:22,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-07-21 14:08:22,037 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-21 14:08:22,037 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-21 14:08:22,038 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2022-07-21 14:08:22,038 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2022-07-21 14:08:22,038 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 14:08:22,038 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 14:08:22,038 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2022-07-21 14:08:22,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2022-07-21 14:08:22,038 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-21 14:08:22,039 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-21 14:08:22,039 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2022-07-21 14:08:22,039 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2022-07-21 14:08:22,039 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2022-07-21 14:08:22,039 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2022-07-21 14:08:22,039 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2022-07-21 14:08:22,040 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2022-07-21 14:08:22,040 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 14:08:22,040 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 14:08:22,040 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2022-07-21 14:08:22,040 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2022-07-21 14:08:22,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 14:08:22,040 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 14:08:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-21 14:08:22,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-21 14:08:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-21 14:08:22,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-21 14:08:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 14:08:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 14:08:22,042 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 14:08:22,042 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2022-07-21 14:08:22,042 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2022-07-21 14:08:22,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 14:08:22,042 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2022-07-21 14:08:22,042 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2022-07-21 14:08:22,042 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2022-07-21 14:08:22,043 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2022-07-21 14:08:22,043 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2022-07-21 14:08:22,043 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2022-07-21 14:08:22,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 14:08:22,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 14:08:22,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 14:08:22,044 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-21 14:08:22,044 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-21 14:08:22,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 14:08:22,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 14:08:22,044 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2022-07-21 14:08:22,044 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2022-07-21 14:08:22,044 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 14:08:22,045 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 14:08:22,045 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2022-07-21 14:08:22,045 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2022-07-21 14:08:22,045 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-21 14:08:22,045 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-21 14:08:22,045 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 14:08:22,045 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 14:08:22,046 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2022-07-21 14:08:22,046 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2022-07-21 14:08:22,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 14:08:22,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 14:08:22,046 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-21 14:08:22,046 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-21 14:08:22,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2022-07-21 14:08:22,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2022-07-21 14:08:22,047 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-21 14:08:22,047 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-21 14:08:22,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 14:08:22,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 14:08:22,047 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2022-07-21 14:08:22,048 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2022-07-21 14:08:22,048 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-07-21 14:08:22,048 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-07-21 14:08:22,048 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 14:08:22,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 14:08:22,048 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2022-07-21 14:08:22,049 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2022-07-21 14:08:22,049 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 14:08:22,049 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 14:08:22,049 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2022-07-21 14:08:22,049 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2022-07-21 14:08:22,049 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2022-07-21 14:08:22,049 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2022-07-21 14:08:22,050 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2022-07-21 14:08:22,050 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2022-07-21 14:08:22,050 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2022-07-21 14:08:22,050 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2022-07-21 14:08:22,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 14:08:22,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 14:08:22,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 14:08:22,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 14:08:22,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 14:08:22,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 14:08:22,051 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2022-07-21 14:08:22,051 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2022-07-21 14:08:22,051 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-07-21 14:08:22,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-07-21 14:08:22,052 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-21 14:08:22,052 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-21 14:08:22,052 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2022-07-21 14:08:22,052 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2022-07-21 14:08:22,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 14:08:22,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 14:08:22,053 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-21 14:08:22,053 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-21 14:08:22,053 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2022-07-21 14:08:22,053 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2022-07-21 14:08:22,053 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2022-07-21 14:08:22,053 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2022-07-21 14:08:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2022-07-21 14:08:22,054 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2022-07-21 14:08:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2022-07-21 14:08:22,054 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2022-07-21 14:08:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2022-07-21 14:08:22,055 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2022-07-21 14:08:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-07-21 14:08:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-21 14:08:22,055 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-21 14:08:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2022-07-21 14:08:22,055 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2022-07-21 14:08:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 14:08:22,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 14:08:23,046 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 14:08:23,051 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 14:08:30,192 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 14:10:34,254 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 14:10:39,820 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 14:10:39,847 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 14:10:39,847 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-21 14:10:39,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:10:39 BoogieIcfgContainer [2022-07-21 14:10:39,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 14:10:39,854 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 14:10:39,854 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 14:10:39,857 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 14:10:39,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 02:08:16" (1/3) ... [2022-07-21 14:10:39,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fdbf029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:10:39, skipping insertion in model container [2022-07-21 14:10:39,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:08:21" (2/3) ... [2022-07-21 14:10:39,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fdbf029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:10:39, skipping insertion in model container [2022-07-21 14:10:39,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:10:39" (3/3) ... [2022-07-21 14:10:39,859 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rndis_wlan.cil.i [2022-07-21 14:10:39,872 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 14:10:39,872 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-21 14:10:39,976 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 14:10:39,983 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@714f518, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@105b42a9 [2022-07-21 14:10:39,983 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-21 14:10:39,996 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) [2022-07-21 14:10:40,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2022-07-21 14:10:40,033 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:10:40,034 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] [2022-07-21 14:10:40,034 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:10:40,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:10:40,039 INFO L85 PathProgramCache]: Analyzing trace with hash 478673280, now seen corresponding path program 1 times [2022-07-21 14:10:40,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:10:40,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1433001294] [2022-07-21 14:10:40,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:10:40,064 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:10:40,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:10:40,066 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:10:40,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 14:10:43,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:10:43,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 4032 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:10:43,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:10:44,884 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-21 14:10:44,887 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:10:44,888 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:10:44,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1433001294] [2022-07-21 14:10:44,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1433001294] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:10:44,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:10:44,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:10:44,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518795551] [2022-07-21 14:10:44,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:10:44,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:10:44,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:10:44,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:10:44,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:10:44,929 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) [2022-07-21 14:10:47,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:10:47,259 INFO L93 Difference]: Finished difference Result 7632 states and 10965 transitions. [2022-07-21 14:10:47,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:10:47,262 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 [2022-07-21 14:10:47,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:10:47,470 INFO L225 Difference]: With dead ends: 7632 [2022-07-21 14:10:47,470 INFO L226 Difference]: Without dead ends: 5062 [2022-07-21 14:10:47,494 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 [2022-07-21 14:10:47,499 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 [2022-07-21 14:10:47,500 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] [2022-07-21 14:10:47,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5062 states. [2022-07-21 14:10:47,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5062 to 5060. [2022-07-21 14:10:47,811 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) [2022-07-21 14:10:47,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5060 states to 5060 states and 7202 transitions. [2022-07-21 14:10:47,857 INFO L78 Accepts]: Start accepts. Automaton has 5060 states and 7202 transitions. Word has length 429 [2022-07-21 14:10:47,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:10:47,861 INFO L495 AbstractCegarLoop]: Abstraction has 5060 states and 7202 transitions. [2022-07-21 14:10:47,861 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) [2022-07-21 14:10:47,862 INFO L276 IsEmpty]: Start isEmpty. Operand 5060 states and 7202 transitions. [2022-07-21 14:10:47,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2022-07-21 14:10:47,886 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:10:47,887 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] [2022-07-21 14:10:48,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 14:10:48,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:10:48,112 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:10:48,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:10:48,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1769632464, now seen corresponding path program 1 times [2022-07-21 14:10:48,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:10:48,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1174059030] [2022-07-21 14:10:48,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:10:48,118 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:10:48,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:10:48,121 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:10:48,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 14:10:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:10:52,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 4214 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:10:52,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:10:53,813 INFO L134 CoverageAnalysis]: Checked inductivity of 5871 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5763 trivial. 0 not checked. [2022-07-21 14:10:53,813 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:10:53,814 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:10:53,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1174059030] [2022-07-21 14:10:53,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1174059030] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:10:53,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:10:53,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:10:53,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685519104] [2022-07-21 14:10:53,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:10:53,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:10:53,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:10:53,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:10:53,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:10:53,818 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) [2022-07-21 14:10:55,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:10:55,868 INFO L93 Difference]: Finished difference Result 14788 states and 21053 transitions. [2022-07-21 14:10:55,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:10:55,869 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 [2022-07-21 14:10:55,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:10:55,964 INFO L225 Difference]: With dead ends: 14788 [2022-07-21 14:10:55,964 INFO L226 Difference]: Without dead ends: 9805 [2022-07-21 14:10:55,999 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 [2022-07-21 14:10:56,002 INFO L413 NwaCegarLoop]: 4323 mSDtfsCounter, 3409 mSDsluCounter, 3680 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.8s IncrementalHoareTripleChecker+Time [2022-07-21 14:10:56,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3409 Valid, 8003 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-21 14:10:56,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9805 states. [2022-07-21 14:10:56,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9805 to 9794. [2022-07-21 14:10:56,431 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) [2022-07-21 14:10:56,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9794 states to 9794 states and 13932 transitions. [2022-07-21 14:10:56,486 INFO L78 Accepts]: Start accepts. Automaton has 9794 states and 13932 transitions. Word has length 495 [2022-07-21 14:10:56,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:10:56,488 INFO L495 AbstractCegarLoop]: Abstraction has 9794 states and 13932 transitions. [2022-07-21 14:10:56,489 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) [2022-07-21 14:10:56,489 INFO L276 IsEmpty]: Start isEmpty. Operand 9794 states and 13932 transitions. [2022-07-21 14:10:56,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2022-07-21 14:10:56,518 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:10:56,520 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] [2022-07-21 14:10:56,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 14:10:56,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:10:56,744 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:10:56,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:10:56,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1726832612, now seen corresponding path program 1 times [2022-07-21 14:10:56,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:10:56,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [491350007] [2022-07-21 14:10:56,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:10:56,749 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:10:56,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:10:56,751 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:10:56,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 14:11:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:11:00,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 4164 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:11:00,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:11:01,671 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 6015 trivial. 0 not checked. [2022-07-21 14:11:01,671 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:11:01,671 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:11:01,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [491350007] [2022-07-21 14:11:01,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [491350007] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:11:01,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:11:01,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:11:01,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855411425] [2022-07-21 14:11:01,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:11:01,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:11:01,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:11:01,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:11:01,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:11:01,675 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) [2022-07-21 14:11:03,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:11:03,975 INFO L93 Difference]: Finished difference Result 19535 states and 27792 transitions. [2022-07-21 14:11:03,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:11:03,976 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 [2022-07-21 14:11:03,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:11:04,110 INFO L225 Difference]: With dead ends: 19535 [2022-07-21 14:11:04,110 INFO L226 Difference]: Without dead ends: 14566 [2022-07-21 14:11:04,154 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 [2022-07-21 14:11:04,157 INFO L413 NwaCegarLoop]: 7189 mSDtfsCounter, 3468 mSDsluCounter, 3676 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s 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, 2.0s IncrementalHoareTripleChecker+Time [2022-07-21 14:11:04,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3468 Valid, 10865 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-21 14:11:04,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14566 states. [2022-07-21 14:11:04,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14566 to 14564. [2022-07-21 14:11:04,849 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) [2022-07-21 14:11:04,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14564 states to 14564 states and 20716 transitions. [2022-07-21 14:11:04,931 INFO L78 Accepts]: Start accepts. Automaton has 14564 states and 20716 transitions. Word has length 492 [2022-07-21 14:11:04,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:11:04,932 INFO L495 AbstractCegarLoop]: Abstraction has 14564 states and 20716 transitions. [2022-07-21 14:11:04,932 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) [2022-07-21 14:11:04,933 INFO L276 IsEmpty]: Start isEmpty. Operand 14564 states and 20716 transitions. [2022-07-21 14:11:04,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2022-07-21 14:11:04,966 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:11:04,966 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] [2022-07-21 14:11:05,080 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 14:11:05,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:11:05,180 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:11:05,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:11:05,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1704200358, now seen corresponding path program 1 times [2022-07-21 14:11:05,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:11:05,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [478466888] [2022-07-21 14:11:05,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:11:05,186 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:11:05,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:11:05,188 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:11:05,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 14:11:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:11:09,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 4164 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 14:11:09,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:11:34,869 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2022-07-21 14:11:34,870 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:11:34,870 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:11:34,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [478466888] [2022-07-21 14:11:34,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [478466888] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:11:34,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:11:34,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 14:11:34,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848616187] [2022-07-21 14:11:34,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:11:34,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 14:11:34,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:11:34,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 14:11:34,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 14:11:34,872 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) [2022-07-21 14:11:35,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:11:35,929 INFO L93 Difference]: Finished difference Result 14564 states and 20716 transitions. [2022-07-21 14:11:35,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 14:11:35,930 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 [2022-07-21 14:11:35,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:11:36,018 INFO L225 Difference]: With dead ends: 14564 [2022-07-21 14:11:36,019 INFO L226 Difference]: Without dead ends: 14525 [2022-07-21 14:11:36,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 489 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:11:36,040 INFO L413 NwaCegarLoop]: 3717 mSDtfsCounter, 3543 mSDsluCounter, 3717 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 [2022-07-21 14:11:36,041 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] [2022-07-21 14:11:36,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14525 states. [2022-07-21 14:11:36,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14525 to 14525. [2022-07-21 14:11:36,923 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) [2022-07-21 14:11:37,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14525 states to 14525 states and 20662 transitions. [2022-07-21 14:11:37,107 INFO L78 Accepts]: Start accepts. Automaton has 14525 states and 20662 transitions. Word has length 492 [2022-07-21 14:11:37,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:11:37,109 INFO L495 AbstractCegarLoop]: Abstraction has 14525 states and 20662 transitions. [2022-07-21 14:11:37,109 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) [2022-07-21 14:11:37,109 INFO L276 IsEmpty]: Start isEmpty. Operand 14525 states and 20662 transitions. [2022-07-21 14:11:37,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2022-07-21 14:11:37,144 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:11:37,145 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] [2022-07-21 14:11:37,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 14:11:37,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:11:37,368 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:11:37,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:11:37,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1999974807, now seen corresponding path program 1 times [2022-07-21 14:11:37,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:11:37,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1694944776] [2022-07-21 14:11:37,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:11:37,375 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:11:37,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:11:37,377 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:11:37,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 14:11:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:11:41,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 4255 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:11:41,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:11:42,413 INFO L134 CoverageAnalysis]: Checked inductivity of 6017 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 5787 trivial. 0 not checked. [2022-07-21 14:11:42,414 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:11:42,414 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:11:42,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1694944776] [2022-07-21 14:11:42,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1694944776] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:11:42,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:11:42,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:11:42,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957581084] [2022-07-21 14:11:42,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:11:42,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:11:42,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:11:42,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:11:42,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:11:42,417 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) [2022-07-21 14:11:43,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:11:43,624 INFO L93 Difference]: Finished difference Result 36213 states and 51487 transitions. [2022-07-21 14:11:43,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:11:43,624 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 [2022-07-21 14:11:43,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:11:43,835 INFO L225 Difference]: With dead ends: 36213 [2022-07-21 14:11:43,835 INFO L226 Difference]: Without dead ends: 21765 [2022-07-21 14:11:43,914 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 [2022-07-21 14:11:43,915 INFO L413 NwaCegarLoop]: 4522 mSDtfsCounter, 3545 mSDsluCounter, 3680 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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 [2022-07-21 14:11:43,916 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] [2022-07-21 14:11:43,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21765 states. [2022-07-21 14:11:44,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21765 to 21761. [2022-07-21 14:11:45,026 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) [2022-07-21 14:11:45,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21761 states to 21761 states and 30920 transitions. [2022-07-21 14:11:45,176 INFO L78 Accepts]: Start accepts. Automaton has 21761 states and 30920 transitions. Word has length 522 [2022-07-21 14:11:45,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:11:45,177 INFO L495 AbstractCegarLoop]: Abstraction has 21761 states and 30920 transitions. [2022-07-21 14:11:45,177 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) [2022-07-21 14:11:45,177 INFO L276 IsEmpty]: Start isEmpty. Operand 21761 states and 30920 transitions. [2022-07-21 14:11:45,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 594 [2022-07-21 14:11:45,334 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:11:45,338 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] [2022-07-21 14:11:45,539 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forcibly destroying the process [2022-07-21 14:11:45,587 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 14:11:45,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:11:45,588 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:11:45,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:11:45,588 INFO L85 PathProgramCache]: Analyzing trace with hash -909716579, now seen corresponding path program 1 times [2022-07-21 14:11:45,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:11:45,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [827815343] [2022-07-21 14:11:45,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:11:45,593 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:11:45,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:11:45,594 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 14:11:45,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 14:11:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:11:50,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 4404 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 14:11:50,038 INFO L286 TraceCheckSpWp]: Computing forward predicates...