./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 f4b24e32 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-?-f4b24e3 [2022-07-14 03:16:04,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 03:16:04,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 03:16:04,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 03:16:04,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 03:16:04,186 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 03:16:04,189 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 03:16:04,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 03:16:04,194 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 03:16:04,195 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 03:16:04,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 03:16:04,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 03:16:04,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 03:16:04,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 03:16:04,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 03:16:04,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 03:16:04,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 03:16:04,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 03:16:04,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 03:16:04,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 03:16:04,216 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 03:16:04,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 03:16:04,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 03:16:04,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 03:16:04,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 03:16:04,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 03:16:04,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 03:16:04,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 03:16:04,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 03:16:04,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 03:16:04,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 03:16:04,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 03:16:04,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 03:16:04,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 03:16:04,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 03:16:04,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 03:16:04,229 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 03:16:04,230 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 03:16:04,230 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 03:16:04,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 03:16:04,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 03:16:04,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 03:16:04,233 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 03:16:04,249 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 03:16:04,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 03:16:04,249 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 03:16:04,249 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 03:16:04,250 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 03:16:04,250 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 03:16:04,251 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 03:16:04,251 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 03:16:04,251 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 03:16:04,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 03:16:04,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 03:16:04,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 03:16:04,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 03:16:04,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 03:16:04,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 03:16:04,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 03:16:04,252 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 03:16:04,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 03:16:04,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 03:16:04,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 03:16:04,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 03:16:04,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:16:04,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 03:16:04,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 03:16:04,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 03:16:04,254 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 03:16:04,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 03:16:04,254 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 03:16:04,254 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 03:16:04,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 03:16:04,254 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 760ec64c2425d439883c5d1074b52af06ed0343ac750305f469404408ecd0aa4 [2022-07-14 03:16:04,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 03:16:04,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 03:16:04,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 03:16:04,458 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 03:16:04,458 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 03:16:04,459 INFO L432 ainManager$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 [2022-07-14 03:16:04,538 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59fbb2f05/c8c73cf0c16a482bbb5e2622daa96d2c/FLAG680831a08 [2022-07-14 03:16:05,211 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 03:16:05,212 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 [2022-07-14 03:16:05,263 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59fbb2f05/c8c73cf0c16a482bbb5e2622daa96d2c/FLAG680831a08 [2022-07-14 03:16:05,534 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59fbb2f05/c8c73cf0c16a482bbb5e2622daa96d2c [2022-07-14 03:16:05,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 03:16:05,537 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 03:16:05,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 03:16:05,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 03:16:05,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 03:16:05,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:16:05" (1/1) ... [2022-07-14 03:16:05,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ff54bda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:16:05, skipping insertion in model container [2022-07-14 03:16:05,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:16:05" (1/1) ... [2022-07-14 03:16:05,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 03:16:05,692 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:16:08,203 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] [2022-07-14 03:16:08,206 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] [2022-07-14 03:16:08,207 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] [2022-07-14 03:16:08,207 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] [2022-07-14 03:16:08,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:16:08,262 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 03:16:08,400 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) [2022-07-14 03:16:08,405 INFO L158 Benchmark]: Toolchain (without parser) took 2867.60ms. Allocated memory was 94.4MB in the beginning and 251.7MB in the end (delta: 157.3MB). Free memory was 60.5MB in the beginning and 132.9MB in the end (delta: -72.4MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2022-07-14 03:16:08,406 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 94.4MB. Free memory was 49.8MB in the beginning and 49.7MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 03:16:08,406 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2866.14ms. Allocated memory was 94.4MB in the beginning and 251.7MB in the end (delta: 157.3MB). Free memory was 60.5MB in the beginning and 132.9MB in the end (delta: -72.4MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2022-07-14 03:16:08,407 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 94.4MB. Free memory was 49.8MB in the beginning and 49.7MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2866.14ms. Allocated memory was 94.4MB in the beginning and 251.7MB in the end (delta: 157.3MB). Free memory was 60.5MB in the beginning and 132.9MB in the end (delta: -72.4MB). Peak memory consumption was 83.9MB. 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-?-f4b24e3 [2022-07-14 03:16:10,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 03:16:10,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 03:16:10,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 03:16:10,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 03:16:10,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 03:16:10,094 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 03:16:10,097 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 03:16:10,099 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 03:16:10,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 03:16:10,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 03:16:10,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 03:16:10,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 03:16:10,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 03:16:10,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 03:16:10,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 03:16:10,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 03:16:10,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 03:16:10,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 03:16:10,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 03:16:10,121 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 03:16:10,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 03:16:10,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 03:16:10,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 03:16:10,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 03:16:10,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 03:16:10,127 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 03:16:10,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 03:16:10,127 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 03:16:10,128 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 03:16:10,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 03:16:10,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 03:16:10,131 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 03:16:10,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 03:16:10,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 03:16:10,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 03:16:10,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 03:16:10,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 03:16:10,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 03:16:10,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 03:16:10,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 03:16:10,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 03:16:10,137 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 03:16:10,165 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 03:16:10,165 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 03:16:10,166 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 03:16:10,166 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 03:16:10,166 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 03:16:10,166 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 03:16:10,167 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 03:16:10,167 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 03:16:10,167 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 03:16:10,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 03:16:10,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 03:16:10,169 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 03:16:10,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 03:16:10,169 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 03:16:10,169 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 03:16:10,169 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 03:16:10,169 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 03:16:10,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 03:16:10,170 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 03:16:10,170 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 03:16:10,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 03:16:10,170 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 03:16:10,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 03:16:10,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:16:10,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 03:16:10,171 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 03:16:10,171 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 03:16:10,171 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 03:16:10,171 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 03:16:10,171 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 03:16:10,171 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 03:16:10,172 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 03:16:10,172 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 03:16:10,172 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 760ec64c2425d439883c5d1074b52af06ed0343ac750305f469404408ecd0aa4 [2022-07-14 03:16:10,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 03:16:10,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 03:16:10,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 03:16:10,433 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 03:16:10,434 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 03:16:10,436 INFO L432 ainManager$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 [2022-07-14 03:16:10,486 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7424c5020/a7fd77247b634d1c954baf3a30698a4c/FLAG44e70ce9a [2022-07-14 03:16:11,172 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 03:16:11,173 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 [2022-07-14 03:16:11,238 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7424c5020/a7fd77247b634d1c954baf3a30698a4c/FLAG44e70ce9a [2022-07-14 03:16:11,515 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7424c5020/a7fd77247b634d1c954baf3a30698a4c [2022-07-14 03:16:11,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 03:16:11,517 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 03:16:11,518 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 03:16:11,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 03:16:11,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 03:16:11,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:16:11" (1/1) ... [2022-07-14 03:16:11,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b9689c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:16:11, skipping insertion in model container [2022-07-14 03:16:11,522 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:16:11" (1/1) ... [2022-07-14 03:16:11,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 03:16:11,676 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:16:14,262 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] [2022-07-14 03:16:14,265 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] [2022-07-14 03:16:14,265 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] [2022-07-14 03:16:14,266 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] [2022-07-14 03:16:14,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:16:14,335 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 03:16:14,416 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:16:14,727 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] [2022-07-14 03:16:14,728 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] [2022-07-14 03:16:14,728 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] [2022-07-14 03:16:14,728 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] [2022-07-14 03:16:14,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:16:14,787 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 03:16:15,090 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] [2022-07-14 03:16:15,091 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] [2022-07-14 03:16:15,092 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] [2022-07-14 03:16:15,092 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] [2022-07-14 03:16:15,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:16:15,320 INFO L208 MainTranslator]: Completed translation [2022-07-14 03:16:15,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:16:15 WrapperNode [2022-07-14 03:16:15,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 03:16:15,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 03:16:15,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 03:16:15,322 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 03:16:15,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:16:15" (1/1) ... [2022-07-14 03:16:15,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:16:15" (1/1) ... [2022-07-14 03:16:15,642 INFO L137 Inliner]: procedures = 411, calls = 4490, calls flagged for inlining = 219, calls inlined = 198, statements flattened = 8658 [2022-07-14 03:16:15,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 03:16:15,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 03:16:15,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 03:16:15,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 03:16:15,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:16:15" (1/1) ... [2022-07-14 03:16:15,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:16:15" (1/1) ... [2022-07-14 03:16:15,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:16:15" (1/1) ... [2022-07-14 03:16:15,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:16:15" (1/1) ... [2022-07-14 03:16:15,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:16:15" (1/1) ... [2022-07-14 03:16:15,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:16:15" (1/1) ... [2022-07-14 03:16:15,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:16:15" (1/1) ... [2022-07-14 03:16:16,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 03:16:16,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 03:16:16,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 03:16:16,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 03:16:16,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:16:15" (1/1) ... [2022-07-14 03:16:16,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:16:16,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 03:16:16,031 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) [2022-07-14 03:16:16,049 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 [2022-07-14 03:16:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2022-07-14 03:16:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2022-07-14 03:16:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-07-14 03:16:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-07-14 03:16:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2022-07-14 03:16:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2022-07-14 03:16:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2022-07-14 03:16:16,064 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2022-07-14 03:16:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 03:16:16,064 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 03:16:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2022-07-14 03:16:16,064 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2022-07-14 03:16:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2022-07-14 03:16:16,064 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2022-07-14 03:16:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 03:16:16,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 03:16:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2022-07-14 03:16:16,065 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2022-07-14 03:16:16,066 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2022-07-14 03:16:16,066 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2022-07-14 03:16:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2022-07-14 03:16:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2022-07-14 03:16:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2022-07-14 03:16:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2022-07-14 03:16:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2022-07-14 03:16:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2022-07-14 03:16:16,068 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2022-07-14 03:16:16,068 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2022-07-14 03:16:16,068 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2022-07-14 03:16:16,068 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2022-07-14 03:16:16,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 03:16:16,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 03:16:16,068 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-07-14 03:16:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-07-14 03:16:16,069 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 03:16:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 03:16:16,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 03:16:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 03:16:16,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 03:16:16,070 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2022-07-14 03:16:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2022-07-14 03:16:16,070 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2022-07-14 03:16:16,071 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2022-07-14 03:16:16,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-14 03:16:16,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 03:16:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 03:16:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 03:16:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2022-07-14 03:16:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2022-07-14 03:16:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-14 03:16:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-14 03:16:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 03:16:16,073 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 03:16:16,073 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2022-07-14 03:16:16,073 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2022-07-14 03:16:16,073 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2022-07-14 03:16:16,073 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2022-07-14 03:16:16,073 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2022-07-14 03:16:16,073 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2022-07-14 03:16:16,074 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2022-07-14 03:16:16,074 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2022-07-14 03:16:16,074 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2022-07-14 03:16:16,074 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2022-07-14 03:16:16,074 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2022-07-14 03:16:16,074 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2022-07-14 03:16:16,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 03:16:16,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 03:16:16,074 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2022-07-14 03:16:16,075 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2022-07-14 03:16:16,075 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2022-07-14 03:16:16,075 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2022-07-14 03:16:16,075 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2022-07-14 03:16:16,075 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2022-07-14 03:16:16,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 03:16:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 03:16:16,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 03:16:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 03:16:16,076 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2022-07-14 03:16:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2022-07-14 03:16:16,077 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2022-07-14 03:16:16,077 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2022-07-14 03:16:16,077 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2022-07-14 03:16:16,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2022-07-14 03:16:16,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 03:16:16,077 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2022-07-14 03:16:16,077 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2022-07-14 03:16:16,077 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2022-07-14 03:16:16,078 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2022-07-14 03:16:16,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-14 03:16:16,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-14 03:16:16,078 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2022-07-14 03:16:16,078 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2022-07-14 03:16:16,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-14 03:16:16,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-14 03:16:16,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 03:16:16,079 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2022-07-14 03:16:16,079 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2022-07-14 03:16:16,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 03:16:16,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 03:16:16,079 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2022-07-14 03:16:16,079 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2022-07-14 03:16:16,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 03:16:16,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 03:16:16,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 03:16:16,083 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2022-07-14 03:16:16,083 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2022-07-14 03:16:16,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 03:16:16,083 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2022-07-14 03:16:16,083 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2022-07-14 03:16:16,083 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2022-07-14 03:16:16,083 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2022-07-14 03:16:16,084 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2022-07-14 03:16:16,087 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2022-07-14 03:16:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-14 03:16:16,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-14 03:16:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2022-07-14 03:16:16,087 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2022-07-14 03:16:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-07-14 03:16:16,088 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-07-14 03:16:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 03:16:16,088 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 03:16:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 03:16:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 03:16:16,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 03:16:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-14 03:16:16,089 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-14 03:16:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-14 03:16:16,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-14 03:16:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 03:16:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 03:16:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 03:16:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 03:16:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 03:16:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 03:16:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 03:16:16,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 03:16:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-07-14 03:16:16,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-07-14 03:16:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-14 03:16:16,090 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-14 03:16:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2022-07-14 03:16:16,091 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2022-07-14 03:16:16,091 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-14 03:16:16,091 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-14 03:16:16,091 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2022-07-14 03:16:16,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2022-07-14 03:16:16,092 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-14 03:16:16,092 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-14 03:16:16,092 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2022-07-14 03:16:16,092 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2022-07-14 03:16:16,092 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2022-07-14 03:16:16,092 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2022-07-14 03:16:16,092 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2022-07-14 03:16:16,092 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2022-07-14 03:16:16,092 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 03:16:16,093 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 03:16:16,093 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2022-07-14 03:16:16,093 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2022-07-14 03:16:16,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 03:16:16,093 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 03:16:16,093 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-14 03:16:16,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-14 03:16:16,093 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-14 03:16:16,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-14 03:16:16,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 03:16:16,094 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 03:16:16,094 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 03:16:16,094 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2022-07-14 03:16:16,094 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2022-07-14 03:16:16,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 03:16:16,094 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2022-07-14 03:16:16,094 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2022-07-14 03:16:16,094 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2022-07-14 03:16:16,094 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2022-07-14 03:16:16,094 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2022-07-14 03:16:16,095 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2022-07-14 03:16:16,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 03:16:16,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 03:16:16,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 03:16:16,095 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-14 03:16:16,095 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-14 03:16:16,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 03:16:16,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 03:16:16,095 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2022-07-14 03:16:16,096 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2022-07-14 03:16:16,096 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-14 03:16:16,096 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-14 03:16:16,096 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2022-07-14 03:16:16,096 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2022-07-14 03:16:16,096 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-14 03:16:16,096 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-14 03:16:16,096 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 03:16:16,096 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 03:16:16,097 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2022-07-14 03:16:16,097 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2022-07-14 03:16:16,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 03:16:16,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 03:16:16,097 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-14 03:16:16,097 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-14 03:16:16,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2022-07-14 03:16:16,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2022-07-14 03:16:16,097 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-14 03:16:16,097 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-14 03:16:16,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 03:16:16,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 03:16:16,098 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2022-07-14 03:16:16,098 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2022-07-14 03:16:16,098 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-07-14 03:16:16,098 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-07-14 03:16:16,098 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 03:16:16,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 03:16:16,098 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2022-07-14 03:16:16,098 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2022-07-14 03:16:16,099 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 03:16:16,099 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 03:16:16,099 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2022-07-14 03:16:16,099 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2022-07-14 03:16:16,099 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2022-07-14 03:16:16,099 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2022-07-14 03:16:16,099 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2022-07-14 03:16:16,099 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2022-07-14 03:16:16,099 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2022-07-14 03:16:16,100 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2022-07-14 03:16:16,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 03:16:16,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 03:16:16,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 03:16:16,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 03:16:16,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 03:16:16,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 03:16:16,100 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2022-07-14 03:16:16,100 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2022-07-14 03:16:16,100 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-07-14 03:16:16,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-07-14 03:16:16,101 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-14 03:16:16,101 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-14 03:16:16,101 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2022-07-14 03:16:16,101 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2022-07-14 03:16:16,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 03:16:16,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 03:16:16,101 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-14 03:16:16,101 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-14 03:16:16,101 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2022-07-14 03:16:16,102 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2022-07-14 03:16:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2022-07-14 03:16:16,102 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2022-07-14 03:16:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2022-07-14 03:16:16,102 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2022-07-14 03:16:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2022-07-14 03:16:16,102 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2022-07-14 03:16:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2022-07-14 03:16:16,102 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2022-07-14 03:16:16,103 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-07-14 03:16:16,103 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-14 03:16:16,103 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-14 03:16:16,103 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2022-07-14 03:16:16,103 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2022-07-14 03:16:16,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 03:16:16,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 03:16:16,968 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 03:16:16,971 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 03:16:23,546 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 03:18:38,353 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 03:18:43,989 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 03:18:44,011 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 03:18:44,011 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 03:18:44,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:18:44 BoogieIcfgContainer [2022-07-14 03:18:44,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 03:18:44,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 03:18:44,017 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 03:18:44,019 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 03:18:44,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 03:16:11" (1/3) ... [2022-07-14 03:18:44,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a3db40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:18:44, skipping insertion in model container [2022-07-14 03:18:44,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:16:15" (2/3) ... [2022-07-14 03:18:44,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a3db40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:18:44, skipping insertion in model container [2022-07-14 03:18:44,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:18:44" (3/3) ... [2022-07-14 03:18:44,022 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rndis_wlan.cil.i [2022-07-14 03:18:44,031 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 03:18:44,032 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-14 03:18:44,114 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 03:18:44,119 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@2fef123, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7a4e69b4 [2022-07-14 03:18:44,120 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-14 03:18:44,129 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) [2022-07-14 03:18:44,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2022-07-14 03:18:44,160 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:18:44,161 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] [2022-07-14 03:18:44,161 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:18:44,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:18:44,165 INFO L85 PathProgramCache]: Analyzing trace with hash 478673280, now seen corresponding path program 1 times [2022-07-14 03:18:44,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:18:44,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1989558336] [2022-07-14 03:18:44,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:18:44,183 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:18:44,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:18:44,185 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) [2022-07-14 03:18:44,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 03:18:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:18:47,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 4032 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:18:47,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:18:48,902 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-14 03:18:48,903 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:18:48,903 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:18:48,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1989558336] [2022-07-14 03:18:48,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1989558336] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:18:48,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:18:48,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:18:48,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532830081] [2022-07-14 03:18:48,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:18:48,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:18:48,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:18:48,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:18:48,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:18:48,938 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) [2022-07-14 03:18:50,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:18:50,967 INFO L93 Difference]: Finished difference Result 7632 states and 10965 transitions. [2022-07-14 03:18:50,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:18:50,970 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 [2022-07-14 03:18:50,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:18:51,103 INFO L225 Difference]: With dead ends: 7632 [2022-07-14 03:18:51,106 INFO L226 Difference]: Without dead ends: 5062 [2022-07-14 03:18:51,132 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 [2022-07-14 03:18:51,135 INFO L413 NwaCegarLoop]: 4354 mSDtfsCounter, 3509 mSDsluCounter, 3671 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.8s IncrementalHoareTripleChecker+Time [2022-07-14 03:18:51,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3509 Valid, 8025 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-14 03:18:51,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5062 states. [2022-07-14 03:18:51,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5062 to 5060. [2022-07-14 03:18:51,364 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) [2022-07-14 03:18:51,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5060 states to 5060 states and 7202 transitions. [2022-07-14 03:18:51,399 INFO L78 Accepts]: Start accepts. Automaton has 5060 states and 7202 transitions. Word has length 429 [2022-07-14 03:18:51,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:18:51,401 INFO L495 AbstractCegarLoop]: Abstraction has 5060 states and 7202 transitions. [2022-07-14 03:18:51,402 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) [2022-07-14 03:18:51,402 INFO L276 IsEmpty]: Start isEmpty. Operand 5060 states and 7202 transitions. [2022-07-14 03:18:51,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2022-07-14 03:18:51,418 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:18:51,419 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] [2022-07-14 03:18:51,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 03:18:51,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:18:51,628 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:18:51,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:18:51,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1769632464, now seen corresponding path program 1 times [2022-07-14 03:18:51,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:18:51,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1292360395] [2022-07-14 03:18:51,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:18:51,632 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:18:51,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:18:51,634 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) [2022-07-14 03:18:51,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 03:18:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:18:55,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 4214 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:18:55,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:18:57,143 INFO L134 CoverageAnalysis]: Checked inductivity of 5871 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5763 trivial. 0 not checked. [2022-07-14 03:18:57,143 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:18:57,143 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:18:57,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1292360395] [2022-07-14 03:18:57,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1292360395] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:18:57,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:18:57,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:18:57,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360494873] [2022-07-14 03:18:57,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:18:57,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:18:57,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:18:57,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:18:57,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:18:57,145 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) [2022-07-14 03:18:59,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:18:59,047 INFO L93 Difference]: Finished difference Result 14788 states and 21053 transitions. [2022-07-14 03:18:59,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:18:59,048 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 [2022-07-14 03:18:59,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:18:59,236 INFO L225 Difference]: With dead ends: 14788 [2022-07-14 03:18:59,236 INFO L226 Difference]: Without dead ends: 9805 [2022-07-14 03:18:59,263 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 [2022-07-14 03:18:59,265 INFO L413 NwaCegarLoop]: 4323 mSDtfsCounter, 3409 mSDsluCounter, 3680 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-07-14 03:18:59,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3409 Valid, 8003 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-14 03:18:59,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9805 states. [2022-07-14 03:18:59,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9805 to 9794. [2022-07-14 03:18:59,555 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) [2022-07-14 03:18:59,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9794 states to 9794 states and 13932 transitions. [2022-07-14 03:18:59,606 INFO L78 Accepts]: Start accepts. Automaton has 9794 states and 13932 transitions. Word has length 495 [2022-07-14 03:18:59,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:18:59,607 INFO L495 AbstractCegarLoop]: Abstraction has 9794 states and 13932 transitions. [2022-07-14 03:18:59,608 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) [2022-07-14 03:18:59,608 INFO L276 IsEmpty]: Start isEmpty. Operand 9794 states and 13932 transitions. [2022-07-14 03:18:59,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2022-07-14 03:18:59,630 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:18:59,632 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] [2022-07-14 03:18:59,714 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 03:18:59,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:18:59,848 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:18:59,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:18:59,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1726832612, now seen corresponding path program 1 times [2022-07-14 03:18:59,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:18:59,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [97593707] [2022-07-14 03:18:59,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:18:59,856 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:18:59,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:18:59,858 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) [2022-07-14 03:18:59,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 03:19:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:19:03,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 4164 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:19:03,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:19:04,548 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 6015 trivial. 0 not checked. [2022-07-14 03:19:04,549 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:19:04,549 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:19:04,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [97593707] [2022-07-14 03:19:04,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [97593707] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:19:04,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:19:04,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:19:04,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343598528] [2022-07-14 03:19:04,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:19:04,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:19:04,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:19:04,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:19:04,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:19:04,552 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) [2022-07-14 03:19:06,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:19:06,604 INFO L93 Difference]: Finished difference Result 19535 states and 27792 transitions. [2022-07-14 03:19:06,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:19:06,605 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 [2022-07-14 03:19:06,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:19:06,703 INFO L225 Difference]: With dead ends: 19535 [2022-07-14 03:19:06,704 INFO L226 Difference]: Without dead ends: 14566 [2022-07-14 03:19:06,740 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 [2022-07-14 03:19:06,743 INFO L413 NwaCegarLoop]: 7189 mSDtfsCounter, 3468 mSDsluCounter, 3676 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3468 SdHoareTripleChecker+Valid, 10865 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-14 03:19:06,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3468 Valid, 10865 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-14 03:19:06,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14566 states. [2022-07-14 03:19:07,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14566 to 14564. [2022-07-14 03:19:07,353 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) [2022-07-14 03:19:07,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14564 states to 14564 states and 20716 transitions. [2022-07-14 03:19:07,428 INFO L78 Accepts]: Start accepts. Automaton has 14564 states and 20716 transitions. Word has length 492 [2022-07-14 03:19:07,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:19:07,428 INFO L495 AbstractCegarLoop]: Abstraction has 14564 states and 20716 transitions. [2022-07-14 03:19:07,429 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) [2022-07-14 03:19:07,429 INFO L276 IsEmpty]: Start isEmpty. Operand 14564 states and 20716 transitions. [2022-07-14 03:19:07,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2022-07-14 03:19:07,455 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:19:07,455 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] [2022-07-14 03:19:07,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 03:19:07,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:19:07,676 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:19:07,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:19:07,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1704200358, now seen corresponding path program 1 times [2022-07-14 03:19:07,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:19:07,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2109829321] [2022-07-14 03:19:07,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:19:07,680 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:19:07,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:19:07,681 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) [2022-07-14 03:19:07,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 03:19:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:19:11,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 4164 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 03:19:11,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:19:37,731 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2022-07-14 03:19:37,732 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:19:37,732 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:19:37,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2109829321] [2022-07-14 03:19:37,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2109829321] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:19:37,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:19:37,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:19:37,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483953811] [2022-07-14 03:19:37,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:19:37,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 03:19:37,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:19:37,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 03:19:37,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 03:19:37,734 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) [2022-07-14 03:19:38,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:19:38,652 INFO L93 Difference]: Finished difference Result 14564 states and 20716 transitions. [2022-07-14 03:19:38,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 03:19:38,652 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 [2022-07-14 03:19:38,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:19:38,741 INFO L225 Difference]: With dead ends: 14564 [2022-07-14 03:19:38,742 INFO L226 Difference]: Without dead ends: 14525 [2022-07-14 03:19:38,760 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 [2022-07-14 03:19:38,762 INFO L413 NwaCegarLoop]: 3717 mSDtfsCounter, 3543 mSDsluCounter, 3717 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3543 SdHoareTripleChecker+Valid, 7434 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-14 03:19:38,762 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] [2022-07-14 03:19:38,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14525 states. [2022-07-14 03:19:39,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14525 to 14525. [2022-07-14 03:19:39,249 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) [2022-07-14 03:19:39,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14525 states to 14525 states and 20662 transitions. [2022-07-14 03:19:39,306 INFO L78 Accepts]: Start accepts. Automaton has 14525 states and 20662 transitions. Word has length 492 [2022-07-14 03:19:39,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:19:39,308 INFO L495 AbstractCegarLoop]: Abstraction has 14525 states and 20662 transitions. [2022-07-14 03:19:39,308 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) [2022-07-14 03:19:39,308 INFO L276 IsEmpty]: Start isEmpty. Operand 14525 states and 20662 transitions. [2022-07-14 03:19:39,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2022-07-14 03:19:39,333 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:19:39,334 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] [2022-07-14 03:19:39,435 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 03:19:39,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:19:39,556 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:19:39,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:19:39,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1999974807, now seen corresponding path program 1 times [2022-07-14 03:19:39,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:19:39,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [446922414] [2022-07-14 03:19:39,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:19:39,560 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:19:39,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:19:39,561 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) [2022-07-14 03:19:39,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 03:19:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:19:42,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 4255 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:19:42,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:19:44,027 INFO L134 CoverageAnalysis]: Checked inductivity of 6017 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 5787 trivial. 0 not checked. [2022-07-14 03:19:44,027 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:19:44,028 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:19:44,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [446922414] [2022-07-14 03:19:44,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [446922414] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:19:44,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:19:44,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:19:44,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89479496] [2022-07-14 03:19:44,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:19:44,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:19:44,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:19:44,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:19:44,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:19:44,030 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) [2022-07-14 03:19:45,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:19:45,280 INFO L93 Difference]: Finished difference Result 36213 states and 51487 transitions. [2022-07-14 03:19:45,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:19:45,281 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 [2022-07-14 03:19:45,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:19:45,368 INFO L225 Difference]: With dead ends: 36213 [2022-07-14 03:19:45,369 INFO L226 Difference]: Without dead ends: 21765 [2022-07-14 03:19:45,419 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 [2022-07-14 03:19:45,420 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, 0.7s IncrementalHoareTripleChecker+Time [2022-07-14 03:19:45,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3545 Valid, 8202 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-14 03:19:45,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21765 states. [2022-07-14 03:19:46,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21765 to 21761. [2022-07-14 03:19:46,298 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) [2022-07-14 03:19:46,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21761 states to 21761 states and 30920 transitions. [2022-07-14 03:19:46,490 INFO L78 Accepts]: Start accepts. Automaton has 21761 states and 30920 transitions. Word has length 522 [2022-07-14 03:19:46,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:19:46,491 INFO L495 AbstractCegarLoop]: Abstraction has 21761 states and 30920 transitions. [2022-07-14 03:19:46,491 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) [2022-07-14 03:19:46,491 INFO L276 IsEmpty]: Start isEmpty. Operand 21761 states and 30920 transitions. [2022-07-14 03:19:46,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 594 [2022-07-14 03:19:46,577 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:19:46,577 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] [2022-07-14 03:19:46,680 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-14 03:19:46,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:19:46,796 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:19:46,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:19:46,797 INFO L85 PathProgramCache]: Analyzing trace with hash -909716579, now seen corresponding path program 1 times [2022-07-14 03:19:46,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:19:46,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [289813394] [2022-07-14 03:19:46,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:19:46,801 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:19:46,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:19:46,802 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) [2022-07-14 03:19:46,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 03:19:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:19:50,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 4404 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 03:19:50,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:20:20,658 INFO L134 CoverageAnalysis]: Checked inductivity of 6510 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6510 trivial. 0 not checked. [2022-07-14 03:20:20,659 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:20:20,659 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:20:20,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [289813394] [2022-07-14 03:20:20,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [289813394] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:20:20,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:20:20,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:20:20,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478084945] [2022-07-14 03:20:20,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:20:20,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 03:20:20,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:20:20,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 03:20:20,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 03:20:20,661 INFO L87 Difference]: Start difference. First operand 21761 states and 30920 transitions. Second operand has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52)