./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-rtlwifi-rtl8192se-rtl8192se.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN --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 84726630c8e25b12cc9a1c42ffbcb43731f626f816099a2994c8fef707cb96cf --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:10:53,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:10:53,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:10:53,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:10:53,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:10:53,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:10:53,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:10:53,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:10:53,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:10:53,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:10:53,964 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:10:53,965 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:10:53,965 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:10:53,966 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:10:53,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:10:53,968 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:10:53,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:10:53,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:10:53,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:10:53,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:10:53,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:10:53,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:10:53,983 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:10:53,984 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:10:53,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:10:53,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:10:53,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:10:53,999 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:10:54,000 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:10:54,001 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:10:54,001 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:10:54,002 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:10:54,005 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:10:54,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:10:54,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:10:54,009 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:10:54,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:10:54,010 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:10:54,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:10:54,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:10:54,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:10:54,012 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 11:10:54,053 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:10:54,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:10:54,054 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:10:54,054 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:10:54,055 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:10:54,055 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:10:54,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:10:54,056 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:10:54,056 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:10:54,056 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:10:54,057 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:10:54,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:10:54,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:10:54,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:10:54,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:10:54,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:10:54,059 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:10:54,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:10:54,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:10:54,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:10:54,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:10:54,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:10:54,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:10:54,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:10:54,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:10:54,060 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:10:54,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:10:54,061 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:10:54,061 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:10:54,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:10:54,061 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84726630c8e25b12cc9a1c42ffbcb43731f626f816099a2994c8fef707cb96cf [2022-11-20 11:10:54,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:10:54,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:10:54,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:10:54,390 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:10:54,390 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:10:54,391 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i [2022-11-20 11:10:57,511 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:10:58,411 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:10:58,411 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i [2022-11-20 11:10:58,478 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/data/02987f5bd/a7691705f05b4e7486dce81d10cfd5e4/FLAG5fa0a3c5d [2022-11-20 11:10:58,495 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/data/02987f5bd/a7691705f05b4e7486dce81d10cfd5e4 [2022-11-20 11:10:58,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:10:58,503 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:10:58,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:10:58,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:10:58,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:10:58,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:10:58" (1/1) ... [2022-11-20 11:10:58,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c1f9d0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:10:58, skipping insertion in model container [2022-11-20 11:10:58,512 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:10:58" (1/1) ... [2022-11-20 11:10:58,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:10:58,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:11:01,651 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractShiftRight(BitabsTranslation.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBinaryBitwiseIntegerExpression(IntegerTranslation.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructBinaryBitwiseExpression(ExpressionTranslation.java:131) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:418) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1638) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) 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:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) 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) [2022-11-20 11:11:01,661 INFO L158 Benchmark]: Toolchain (without parser) took 3156.65ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 57.9MB in the beginning and 76.1MB in the end (delta: -18.1MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. [2022-11-20 11:11:01,661 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 130.0MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:11:01,663 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3153.84ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 57.9MB in the beginning and 76.1MB in the end (delta: -18.1MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. [2022-11-20 11:11:01,665 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 130.0MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3153.84ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 57.9MB in the beginning and 76.1MB in the end (delta: -18.1MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN --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 84726630c8e25b12cc9a1c42ffbcb43731f626f816099a2994c8fef707cb96cf --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:11:03,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:11:03,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:11:03,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:11:03,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:11:03,960 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:11:03,961 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:11:03,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:11:03,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:11:03,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:11:03,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:11:03,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:11:03,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:11:03,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:11:03,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:11:03,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:11:03,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:11:03,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:11:03,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:11:03,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:11:03,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:11:03,989 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:11:03,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:11:03,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:11:03,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:11:03,998 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:11:03,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:11:04,000 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:11:04,000 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:11:04,001 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:11:04,001 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:11:04,002 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:11:04,003 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:11:04,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:11:04,004 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:11:04,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:11:04,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:11:04,006 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:11:04,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:11:04,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:11:04,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:11:04,018 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 11:11:04,058 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:11:04,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:11:04,059 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:11:04,060 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:11:04,061 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:11:04,061 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:11:04,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:11:04,062 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:11:04,062 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:11:04,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:11:04,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:11:04,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:11:04,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:11:04,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:11:04,064 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 11:11:04,065 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 11:11:04,065 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 11:11:04,065 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:11:04,065 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:11:04,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:11:04,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:11:04,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:11:04,066 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:11:04,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:11:04,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:11:04,067 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:11:04,067 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:11:04,067 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 11:11:04,068 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 11:11:04,068 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:11:04,068 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:11:04,068 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:11:04,069 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 11:11:04,069 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84726630c8e25b12cc9a1c42ffbcb43731f626f816099a2994c8fef707cb96cf [2022-11-20 11:11:04,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:11:04,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:11:04,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:11:04,468 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:11:04,469 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:11:04,470 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i [2022-11-20 11:11:07,455 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:11:08,444 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:11:08,444 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i [2022-11-20 11:11:08,524 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/data/7b3fab0ef/c163c96556d34b18904c51573d380eaa/FLAG4478e16b0 [2022-11-20 11:11:08,542 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/data/7b3fab0ef/c163c96556d34b18904c51573d380eaa [2022-11-20 11:11:08,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:11:08,547 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:11:08,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:11:08,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:11:08,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:11:08,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:11:08" (1/1) ... [2022-11-20 11:11:08,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7709e55d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:11:08, skipping insertion in model container [2022-11-20 11:11:08,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:11:08" (1/1) ... [2022-11-20 11:11:08,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:11:08,871 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:11:14,572 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722335,722348] [2022-11-20 11:11:14,576 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722482,722495] [2022-11-20 11:11:14,577 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722621,722634] [2022-11-20 11:11:14,578 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722779,722792] [2022-11-20 11:11:14,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:11:14,790 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 11:11:15,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:11:15,953 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722335,722348] [2022-11-20 11:11:15,954 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722482,722495] [2022-11-20 11:11:15,954 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722621,722634] [2022-11-20 11:11:15,955 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722779,722792] [2022-11-20 11:11:16,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:11:16,151 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:11:17,012 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722335,722348] [2022-11-20 11:11:17,012 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722482,722495] [2022-11-20 11:11:17,013 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722621,722634] [2022-11-20 11:11:17,014 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i[722779,722792] [2022-11-20 11:11:17,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:11:17,196 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:11:17,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:11:17 WrapperNode [2022-11-20 11:11:17,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:11:17,199 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:11:17,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:11:17,199 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:11:17,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:11:17" (1/1) ... [2022-11-20 11:11:17,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:11:17" (1/1) ... [2022-11-20 11:11:17,833 INFO L138 Inliner]: procedures = 486, calls = 6567, calls flagged for inlining = 277, calls inlined = 258, statements flattened = 15544 [2022-11-20 11:11:17,833 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:11:17,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:11:17,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:11:17,836 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:11:17,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:11:17" (1/1) ... [2022-11-20 11:11:17,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:11:17" (1/1) ... [2022-11-20 11:11:17,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:11:17" (1/1) ... [2022-11-20 11:11:17,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:11:17" (1/1) ... [2022-11-20 11:11:18,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:11:17" (1/1) ... [2022-11-20 11:11:18,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:11:17" (1/1) ... [2022-11-20 11:11:18,553 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:11:17" (1/1) ... [2022-11-20 11:11:18,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:11:17" (1/1) ... [2022-11-20 11:11:18,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:11:18,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:11:18,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:11:18,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:11:18,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:11:17" (1/1) ... [2022-11-20 11:11:18,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:11:18,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:11:18,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:11:18,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:11:18,804 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_set_check_bssid [2022-11-20 11:11:18,805 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_set_check_bssid [2022-11-20 11:11:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_set_bb_reg [2022-11-20 11:11:18,805 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_set_bb_reg [2022-11-20 11:11:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-20 11:11:18,805 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-20 11:11:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 11:11:18,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 11:11:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2022-11-20 11:11:18,806 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2022-11-20 11:11:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_deinit_sw_vars [2022-11-20 11:11:18,806 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_deinit_sw_vars [2022-11-20 11:11:18,807 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_signal_scale_mapping [2022-11-20 11:11:18,807 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_signal_scale_mapping [2022-11-20 11:11:18,807 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2022-11-20 11:11:18,807 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2022-11-20 11:11:18,807 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 11:11:18,808 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 11:11:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-11-20 11:11:18,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-11-20 11:11:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2022-11-20 11:11:18,809 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2022-11-20 11:11:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_set_bw_mode [2022-11-20 11:11:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_set_bw_mode [2022-11-20 11:11:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 11:11:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 11:11:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 11:11:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 11:11:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 11:11:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 11:11:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_update_interrupt_mask [2022-11-20 11:11:18,811 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_update_interrupt_mask [2022-11-20 11:11:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_phy_rf_serial_read [2022-11-20 11:11:18,811 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_phy_rf_serial_read [2022-11-20 11:11:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:11:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 11:11:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 11:11:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 11:11:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_led_control [2022-11-20 11:11:18,812 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_led_control [2022-11-20 11:11:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_chk_fwcmd_iodone [2022-11-20 11:11:18,813 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_chk_fwcmd_iodone [2022-11-20 11:11:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_set_hw_reg [2022-11-20 11:11:18,813 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_set_hw_reg [2022-11-20 11:11:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_nullfunc [2022-11-20 11:11:18,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_nullfunc [2022-11-20 11:11:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-20 11:11:18,813 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-20 11:11:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure get_rf_type [2022-11-20 11:11:18,814 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rf_type [2022-11-20 11:11:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_has_protected [2022-11-20 11:11:18,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_has_protected [2022-11-20 11:11:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 11:11:18,814 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 11:11:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure is_hal_stop [2022-11-20 11:11:18,815 INFO L138 BoogieDeclarations]: Found implementation of procedure is_hal_stop [2022-11-20 11:11:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 11:11:18,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 11:11:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_set_beacon_hwreg [2022-11-20 11:11:18,815 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_set_beacon_hwreg [2022-11-20 11:11:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-20 11:11:18,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-20 11:11:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_phy_calculate_bit_shift [2022-11-20 11:11:18,816 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_phy_calculate_bit_shift [2022-11-20 11:11:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 11:11:18,816 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 11:11:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 11:11:18,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 11:11:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-20 11:11:18,817 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-20 11:11:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_beacon [2022-11-20 11:11:18,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_beacon [2022-11-20 11:11:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-11-20 11:11:18,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-11-20 11:11:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_set_fw_cmd [2022-11-20 11:11:18,818 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_set_fw_cmd [2022-11-20 11:11:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_tx_polling [2022-11-20 11:11:18,819 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_tx_polling [2022-11-20 11:11:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-11-20 11:11:18,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-11-20 11:11:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 11:11:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-20 11:11:18,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-20 11:11:18,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-11-20 11:11:18,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-11-20 11:11:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_read_eeprom_info [2022-11-20 11:11:18,820 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_read_eeprom_info [2022-11-20 11:11:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-20 11:11:18,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-20 11:11:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-11-20 11:11:18,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-11-20 11:11:18,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:11:18,821 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92se_set_media_status [2022-11-20 11:11:18,821 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92se_set_media_status [2022-11-20 11:11:18,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 11:11:18,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 11:11:18,821 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 11:11:18,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 11:11:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 11:11:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-20 11:11:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 11:11:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 11:11:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 11:11:18,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 11:11:18,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 11:11:18,827 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_set_sysclk [2022-11-20 11:11:18,828 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_set_sysclk [2022-11-20 11:11:18,828 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_sw_led_off [2022-11-20 11:11:18,828 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_sw_led_off [2022-11-20 11:11:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92se_halset_sysclk [2022-11-20 11:11:18,830 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92se_halset_sysclk [2022-11-20 11:11:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-20 11:11:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-20 11:11:18,835 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_hw_init [2022-11-20 11:11:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_hw_init [2022-11-20 11:11:18,835 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8192se_gpiobit3_cfg_inputmode [2022-11-20 11:11:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8192se_gpiobit3_cfg_inputmode [2022-11-20 11:11:18,835 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_cam_add_one_entry [2022-11-20 11:11:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_cam_add_one_entry [2022-11-20 11:11:18,836 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_card_disable [2022-11-20 11:11:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_card_disable [2022-11-20 11:11:18,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 11:11:18,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:11:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:11:18,836 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_get_hw_reg [2022-11-20 11:11:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_get_hw_reg [2022-11-20 11:11:18,836 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_dm_watchdog [2022-11-20 11:11:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_dm_watchdog [2022-11-20 11:11:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_config_rf [2022-11-20 11:11:18,837 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_config_rf [2022-11-20 11:11:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 11:11:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_dm_init_edca_turbo [2022-11-20 11:11:18,837 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_dm_init_edca_turbo [2022-11-20 11:11:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 11:11:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 11:11:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 11:11:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 11:11:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 11:11:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 11:11:18,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 11:11:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_rfreg [2022-11-20 11:11:18,838 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_rfreg [2022-11-20 11:11:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-20 11:11:18,838 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-20 11:11:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2022-11-20 11:11:18,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2022-11-20 11:11:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-20 11:11:18,839 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-20 11:11:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_set_beacon_interval [2022-11-20 11:11:18,839 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_set_beacon_interval [2022-11-20 11:11:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_set_txpower [2022-11-20 11:11:18,839 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_set_txpower [2022-11-20 11:11:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_suspend [2022-11-20 11:11:18,839 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_suspend [2022-11-20 11:11:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_firmware_get_nextstatus [2022-11-20 11:11:18,839 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_firmware_get_nextstatus [2022-11-20 11:11:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2022-11-20 11:11:18,840 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2022-11-20 11:11:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_set_beacon_related_registers [2022-11-20 11:11:18,840 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_set_beacon_related_registers [2022-11-20 11:11:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2022-11-20 11:11:18,840 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2022-11-20 11:11:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-20 11:11:18,840 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-20 11:11:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 11:11:18,841 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 11:11:18,841 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_suspend [2022-11-20 11:11:18,841 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_suspend [2022-11-20 11:11:18,841 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_phy_config_bb [2022-11-20 11:11:18,841 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_phy_config_bb [2022-11-20 11:11:18,841 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_enable_hw_security_config [2022-11-20 11:11:18,841 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_enable_hw_security_config [2022-11-20 11:11:18,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-20 11:11:18,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-20 11:11:18,842 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_init_sw_leds [2022-11-20 11:11:18,842 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_init_sw_leds [2022-11-20 11:11:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_phy_check_ephy_switchready [2022-11-20 11:11:18,844 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_phy_check_ephy_switchready [2022-11-20 11:11:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:11:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_set_qos [2022-11-20 11:11:18,844 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_set_qos [2022-11-20 11:11:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2022-11-20 11:11:18,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2022-11-20 11:11:18,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 11:11:18,845 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92se_rf_onoff_detect [2022-11-20 11:11:18,845 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92se_rf_onoff_detect [2022-11-20 11:11:18,845 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_tx_fill_cmddesc [2022-11-20 11:11:18,845 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_tx_fill_cmddesc [2022-11-20 11:11:18,845 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_phy_set_rfhalt [2022-11-20 11:11:18,845 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_phy_set_rfhalt [2022-11-20 11:11:18,845 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_cmd_send_packet [2022-11-20 11:11:18,846 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_cmd_send_packet [2022-11-20 11:11:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_ctl [2022-11-20 11:11:18,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_ctl [2022-11-20 11:11:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-11-20 11:11:18,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-11-20 11:11:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 11:11:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 11:11:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 11:11:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 11:11:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_enable_interrupt [2022-11-20 11:11:18,847 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_enable_interrupt [2022-11-20 11:11:18,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 11:11:18,847 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_phy_set_sw_chnl_cmdarray [2022-11-20 11:11:18,847 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_phy_set_sw_chnl_cmdarray [2022-11-20 11:11:18,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-20 11:11:18,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-20 11:11:18,847 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-20 11:11:18,847 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-20 11:11:18,847 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92se_init_led [2022-11-20 11:11:18,848 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92se_init_led [2022-11-20 11:11:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 11:11:18,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 11:11:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___5 [2022-11-20 11:11:18,848 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___5 [2022-11-20 11:11:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl92se_driver_exit_7_2 [2022-11-20 11:11:18,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl92se_driver_exit_7_2 [2022-11-20 11:11:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-11-20 11:11:18,848 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-11-20 11:11:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_resume [2022-11-20 11:11:18,849 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_resume [2022-11-20 11:11:18,849 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-11-20 11:11:18,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-11-20 11:11:18,849 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-20 11:11:18,849 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-20 11:11:18,849 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 11:11:18,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 11:11:18,849 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92s_fw_set_rqpn [2022-11-20 11:11:18,849 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92s_fw_set_rqpn [2022-11-20 11:11:18,850 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_query_rxpwrpercentage [2022-11-20 11:11:18,854 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_query_rxpwrpercentage [2022-11-20 11:11:18,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 11:11:18,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 11:11:18,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 11:11:18,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 11:11:18,855 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-11-20 11:11:18,855 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-11-20 11:11:18,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 11:11:18,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 11:11:18,856 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_bbreg [2022-11-20 11:11:18,856 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_bbreg [2022-11-20 11:11:18,856 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_query_bb_reg [2022-11-20 11:11:18,856 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_query_bb_reg [2022-11-20 11:11:18,856 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_set_rf_reg [2022-11-20 11:11:18,857 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_set_rf_reg [2022-11-20 11:11:18,857 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_scan_operation_backup [2022-11-20 11:11:18,857 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_scan_operation_backup [2022-11-20 11:11:18,857 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_bbreg [2022-11-20 11:11:18,857 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_bbreg [2022-11-20 11:11:18,857 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-20 11:11:18,857 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-20 11:11:18,857 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_disable_interrupt [2022-11-20 11:11:18,858 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_disable_interrupt [2022-11-20 11:11:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2022-11-20 11:11:18,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2022-11-20 11:11:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-11-20 11:11:18,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-11-20 11:11:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-20 11:11:18,858 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-20 11:11:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_update_hal_rate_tbl [2022-11-20 11:11:18,858 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_update_hal_rate_tbl [2022-11-20 11:11:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-20 11:11:18,859 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-20 11:11:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 11:11:18,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 11:11:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_resume [2022-11-20 11:11:18,859 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_resume [2022-11-20 11:11:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2022-11-20 11:11:18,859 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2022-11-20 11:11:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_sw_led_on [2022-11-20 11:11:18,859 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_sw_led_on [2022-11-20 11:11:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-20 11:11:18,859 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-20 11:11:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92se_update_channel_access_setting [2022-11-20 11:11:18,860 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92se_update_channel_access_setting [2022-11-20 11:11:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_disconnect [2022-11-20 11:11:18,860 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_disconnect [2022-11-20 11:11:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-20 11:11:18,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-20 11:11:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_init_sw_vars [2022-11-20 11:11:18,860 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_init_sw_vars [2022-11-20 11:11:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92s_phy_query_rf_reg [2022-11-20 11:11:18,860 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92s_phy_query_rf_reg [2022-11-20 11:11:18,861 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-20 11:11:18,861 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-20 11:11:20,745 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:11:20,749 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:11:21,574 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 11:13:04,916 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-20 11:13:19,083 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:13:19,124 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:13:19,124 INFO L300 CfgBuilder]: Removed 27 assume(true) statements. [2022-11-20 11:13:19,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:13:19 BoogieIcfgContainer [2022-11-20 11:13:19,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:13:19,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:13:19,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:13:19,141 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:13:19,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:11:08" (1/3) ... [2022-11-20 11:13:19,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79d1363d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:13:19, skipping insertion in model container [2022-11-20 11:13:19,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:11:17" (2/3) ... [2022-11-20 11:13:19,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79d1363d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:13:19, skipping insertion in model container [2022-11-20 11:13:19,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:13:19" (3/3) ... [2022-11-20 11:13:19,146 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192se-rtl8192se.cil.i [2022-11-20 11:13:19,165 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:13:19,167 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-20 11:13:19,335 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:13:19,341 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3e4c737, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:13:19,341 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-20 11:13:19,364 INFO L276 IsEmpty]: Start isEmpty. Operand has 5633 states, 3866 states have (on average 1.372478013450595) internal successors, (5306), 4001 states have internal predecessors, (5306), 1661 states have call successors, (1661), 127 states have call predecessors, (1661), 126 states have return successors, (1651), 1579 states have call predecessors, (1651), 1651 states have call successors, (1651) [2022-11-20 11:13:19,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2022-11-20 11:13:19,397 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:13:19,398 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 26, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:13:19,399 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:13:19,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:13:19,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1365334998, now seen corresponding path program 1 times [2022-11-20 11:13:19,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:13:19,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [863984647] [2022-11-20 11:13:19,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:13:19,438 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:13:19,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:13:19,444 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:13:19,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 11:13:32,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:13:33,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 7437 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:13:33,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:13:34,171 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 2925 trivial. 0 not checked. [2022-11-20 11:13:34,171 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:13:34,172 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:13:34,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [863984647] [2022-11-20 11:13:34,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [863984647] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:13:34,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:13:34,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:13:34,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957779866] [2022-11-20 11:13:34,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:13:34,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:13:34,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:13:34,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:13:34,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:13:34,237 INFO L87 Difference]: Start difference. First operand has 5633 states, 3866 states have (on average 1.372478013450595) internal successors, (5306), 4001 states have internal predecessors, (5306), 1661 states have call successors, (1661), 127 states have call predecessors, (1661), 126 states have return successors, (1651), 1579 states have call predecessors, (1651), 1651 states have call successors, (1651) Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-20 11:13:36,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:13:36,180 INFO L93 Difference]: Finished difference Result 12377 states and 19199 transitions. [2022-11-20 11:13:36,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:13:36,182 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 314 [2022-11-20 11:13:36,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:13:36,276 INFO L225 Difference]: With dead ends: 12377 [2022-11-20 11:13:36,276 INFO L226 Difference]: Without dead ends: 7097 [2022-11-20 11:13:36,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:13:36,335 INFO L413 NwaCegarLoop]: 7255 mSDtfsCounter, 6052 mSDsluCounter, 6161 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6052 SdHoareTripleChecker+Valid, 13416 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-20 11:13:36,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6052 Valid, 13416 Invalid, 39 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-20 11:13:36,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7097 states. [2022-11-20 11:13:36,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7097 to 7095. [2022-11-20 11:13:36,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7095 states, 5065 states have (on average 1.3472852912142153) internal successors, (6824), 5160 states have internal predecessors, (6824), 1823 states have call successors, (1823), 206 states have call predecessors, (1823), 205 states have return successors, (1820), 1770 states have call predecessors, (1820), 1820 states have call successors, (1820) [2022-11-20 11:13:37,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7095 states to 7095 states and 10467 transitions. [2022-11-20 11:13:37,031 INFO L78 Accepts]: Start accepts. Automaton has 7095 states and 10467 transitions. Word has length 314 [2022-11-20 11:13:37,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:13:37,034 INFO L495 AbstractCegarLoop]: Abstraction has 7095 states and 10467 transitions. [2022-11-20 11:13:37,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-20 11:13:37,036 INFO L276 IsEmpty]: Start isEmpty. Operand 7095 states and 10467 transitions. [2022-11-20 11:13:37,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2022-11-20 11:13:37,051 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:13:37,052 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 26, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:13:37,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-20 11:13:37,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:13:37,275 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:13:37,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:13:37,276 INFO L85 PathProgramCache]: Analyzing trace with hash -371288845, now seen corresponding path program 1 times [2022-11-20 11:13:37,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:13:37,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [244319189] [2022-11-20 11:13:37,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:13:37,284 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:13:37,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:13:37,285 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:13:37,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 11:13:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:13:50,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 7473 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:13:50,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:13:51,505 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 2925 trivial. 0 not checked. [2022-11-20 11:13:51,505 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:13:51,505 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:13:51,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [244319189] [2022-11-20 11:13:51,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [244319189] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:13:51,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:13:51,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:13:51,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399716381] [2022-11-20 11:13:51,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:13:51,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:13:51,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:13:51,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:13:51,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:13:51,509 INFO L87 Difference]: Start difference. First operand 7095 states and 10467 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-20 11:13:53,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:13:53,773 INFO L93 Difference]: Finished difference Result 17518 states and 25853 transitions. [2022-11-20 11:13:53,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:13:53,774 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 325 [2022-11-20 11:13:53,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:13:53,862 INFO L225 Difference]: With dead ends: 17518 [2022-11-20 11:13:53,863 INFO L226 Difference]: Without dead ends: 10480 [2022-11-20 11:13:53,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:13:53,903 INFO L413 NwaCegarLoop]: 6244 mSDtfsCounter, 5080 mSDsluCounter, 5256 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5080 SdHoareTripleChecker+Valid, 11500 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-20 11:13:53,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5080 Valid, 11500 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-20 11:13:53,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10480 states. [2022-11-20 11:13:54,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10480 to 10471. [2022-11-20 11:13:54,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10471 states, 7483 states have (on average 1.3461178671655754) internal successors, (10073), 7628 states have internal predecessors, (10073), 2680 states have call successors, (2680), 308 states have call predecessors, (2680), 306 states have return successors, (2677), 2597 states have call predecessors, (2677), 2677 states have call successors, (2677) [2022-11-20 11:13:54,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10471 states to 10471 states and 15430 transitions. [2022-11-20 11:13:54,659 INFO L78 Accepts]: Start accepts. Automaton has 10471 states and 15430 transitions. Word has length 325 [2022-11-20 11:13:54,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:13:54,661 INFO L495 AbstractCegarLoop]: Abstraction has 10471 states and 15430 transitions. [2022-11-20 11:13:54,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-20 11:13:54,661 INFO L276 IsEmpty]: Start isEmpty. Operand 10471 states and 15430 transitions. [2022-11-20 11:13:54,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-20 11:13:54,674 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:13:54,675 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 26, 26, 26, 26, 26, 26, 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] [2022-11-20 11:13:54,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 11:13:54,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:13:54,891 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:13:54,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:13:54,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1653039902, now seen corresponding path program 1 times [2022-11-20 11:13:54,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:13:54,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1373097072] [2022-11-20 11:13:54,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:13:54,905 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:13:54,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:13:54,906 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:13:54,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 11:14:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:08,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 7500 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:14:08,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:14:08,606 INFO L134 CoverageAnalysis]: Checked inductivity of 3007 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 2929 trivial. 0 not checked. [2022-11-20 11:14:08,606 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:14:08,606 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:14:08,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1373097072] [2022-11-20 11:14:08,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1373097072] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:14:08,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:14:08,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:14:08,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765744914] [2022-11-20 11:14:08,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:14:08,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:14:08,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:14:08,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:14:08,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:14:08,610 INFO L87 Difference]: Start difference. First operand 10471 states and 15430 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-20 11:14:11,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:14:11,033 INFO L93 Difference]: Finished difference Result 27686 states and 40812 transitions. [2022-11-20 11:14:11,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:14:11,034 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 346 [2022-11-20 11:14:11,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:14:11,181 INFO L225 Difference]: With dead ends: 27686 [2022-11-20 11:14:11,182 INFO L226 Difference]: Without dead ends: 17272 [2022-11-20 11:14:11,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:14:11,233 INFO L413 NwaCegarLoop]: 6215 mSDtfsCounter, 5112 mSDsluCounter, 5276 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5112 SdHoareTripleChecker+Valid, 11491 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-20 11:14:11,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5112 Valid, 11491 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-20 11:14:11,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17272 states. [2022-11-20 11:14:12,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17272 to 17259. [2022-11-20 11:14:12,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17259 states, 12344 states have (on average 1.3458360337005832) internal successors, (16613), 12592 states have internal predecessors, (16613), 4407 states have call successors, (4407), 509 states have call predecessors, (4407), 506 states have return successors, (4404), 4262 states have call predecessors, (4404), 4404 states have call successors, (4404) [2022-11-20 11:14:12,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17259 states to 17259 states and 25424 transitions. [2022-11-20 11:14:12,735 INFO L78 Accepts]: Start accepts. Automaton has 17259 states and 25424 transitions. Word has length 346 [2022-11-20 11:14:12,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:14:12,739 INFO L495 AbstractCegarLoop]: Abstraction has 17259 states and 25424 transitions. [2022-11-20 11:14:12,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-20 11:14:12,740 INFO L276 IsEmpty]: Start isEmpty. Operand 17259 states and 25424 transitions. [2022-11-20 11:14:12,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2022-11-20 11:14:12,758 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:14:12,758 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 26, 26, 26, 26, 26, 26, 4, 4, 4, 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] [2022-11-20 11:14:12,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 11:14:12,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:14:12,980 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:14:12,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:14:12,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1915862088, now seen corresponding path program 1 times [2022-11-20 11:14:12,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:14:12,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1592774903] [2022-11-20 11:14:12,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:14:12,990 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:14:12,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:14:12,995 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:14:13,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 11:14:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:25,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 7563 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:14:25,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:14:25,926 INFO L134 CoverageAnalysis]: Checked inductivity of 3290 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 3180 trivial. 0 not checked. [2022-11-20 11:14:25,926 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:14:25,926 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:14:25,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1592774903] [2022-11-20 11:14:25,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1592774903] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:14:25,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:14:25,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:14:25,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125443457] [2022-11-20 11:14:25,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:14:25,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:14:25,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:14:25,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:14:25,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:14:25,928 INFO L87 Difference]: Start difference. First operand 17259 states and 25424 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-20 11:14:28,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:14:28,424 INFO L93 Difference]: Finished difference Result 44782 states and 65998 transitions. [2022-11-20 11:14:28,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:14:28,424 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 371 [2022-11-20 11:14:28,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:14:28,604 INFO L225 Difference]: With dead ends: 44782 [2022-11-20 11:14:28,604 INFO L226 Difference]: Without dead ends: 30894 [2022-11-20 11:14:28,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:14:28,659 INFO L413 NwaCegarLoop]: 10354 mSDtfsCounter, 5138 mSDsluCounter, 5291 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5138 SdHoareTripleChecker+Valid, 15645 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:14:28,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5138 Valid, 15645 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-20 11:14:28,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30894 states. [2022-11-20 11:14:30,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30894 to 30892. [2022-11-20 11:14:30,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30892 states, 22117 states have (on average 1.3467468463173125) internal successors, (29786), 22549 states have internal predecessors, (29786), 7868 states have call successors, (7868), 908 states have call predecessors, (7868), 905 states have return successors, (7865), 7623 states have call predecessors, (7865), 7865 states have call successors, (7865) [2022-11-20 11:14:31,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30892 states to 30892 states and 45519 transitions. [2022-11-20 11:14:31,026 INFO L78 Accepts]: Start accepts. Automaton has 30892 states and 45519 transitions. Word has length 371 [2022-11-20 11:14:31,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:14:31,027 INFO L495 AbstractCegarLoop]: Abstraction has 30892 states and 45519 transitions. [2022-11-20 11:14:31,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-20 11:14:31,027 INFO L276 IsEmpty]: Start isEmpty. Operand 30892 states and 45519 transitions. [2022-11-20 11:14:31,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2022-11-20 11:14:31,046 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:14:31,047 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 26, 26, 26, 26, 26, 26, 4, 4, 4, 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] [2022-11-20 11:14:31,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-20 11:14:31,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:14:31,264 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:14:31,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:14:31,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1775313478, now seen corresponding path program 1 times [2022-11-20 11:14:31,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:14:31,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1948764610] [2022-11-20 11:14:31,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:14:31,273 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:14:31,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:14:31,274 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:14:31,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 11:14:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:14:44,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 7563 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:14:44,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:14:52,024 INFO L134 CoverageAnalysis]: Checked inductivity of 3290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3290 trivial. 0 not checked. [2022-11-20 11:14:52,024 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:14:52,024 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:14:52,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1948764610] [2022-11-20 11:14:52,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1948764610] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:14:52,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:14:52,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:14:52,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774907053] [2022-11-20 11:14:52,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:14:52,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:14:52,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:14:52,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:14:52,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:14:52,027 INFO L87 Difference]: Start difference. First operand 30892 states and 45519 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2022-11-20 11:14:54,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:14:54,080 INFO L93 Difference]: Finished difference Result 30892 states and 45519 transitions. [2022-11-20 11:14:54,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:14:54,081 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 371 [2022-11-20 11:14:54,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:14:54,245 INFO L225 Difference]: With dead ends: 30892 [2022-11-20 11:14:54,245 INFO L226 Difference]: Without dead ends: 30837 [2022-11-20 11:14:54,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 368 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:14:54,268 INFO L413 NwaCegarLoop]: 5317 mSDtfsCounter, 5179 mSDsluCounter, 5317 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5179 SdHoareTripleChecker+Valid, 10634 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 11:14:54,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5179 Valid, 10634 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-20 11:14:54,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30837 states. [2022-11-20 11:14:56,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30837 to 30837. [2022-11-20 11:14:56,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30837 states, 22092 states have (on average 1.346596052869817) internal successors, (29749), 22512 states have internal predecessors, (29749), 7841 states have call successors, (7841), 903 states have call predecessors, (7841), 903 states have return successors, (7841), 7610 states have call predecessors, (7841), 7841 states have call successors, (7841) [2022-11-20 11:14:57,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30837 states to 30837 states and 45431 transitions. [2022-11-20 11:14:57,140 INFO L78 Accepts]: Start accepts. Automaton has 30837 states and 45431 transitions. Word has length 371 [2022-11-20 11:14:57,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:14:57,143 INFO L495 AbstractCegarLoop]: Abstraction has 30837 states and 45431 transitions. [2022-11-20 11:14:57,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2022-11-20 11:14:57,143 INFO L276 IsEmpty]: Start isEmpty. Operand 30837 states and 45431 transitions. [2022-11-20 11:14:57,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2022-11-20 11:14:57,183 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:14:57,183 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 26, 26, 26, 26, 26, 26, 4, 4, 4, 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] [2022-11-20 11:14:57,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-20 11:14:57,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:14:57,407 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:14:57,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:14:57,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1289047373, now seen corresponding path program 1 times [2022-11-20 11:14:57,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:14:57,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1057044870] [2022-11-20 11:14:57,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:14:57,418 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:14:57,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:14:57,419 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:14:57,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-20 11:15:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:11,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 7616 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:15:11,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:15:12,326 INFO L134 CoverageAnalysis]: Checked inductivity of 3282 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 3099 trivial. 0 not checked. [2022-11-20 11:15:12,326 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:15:12,327 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:15:12,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1057044870] [2022-11-20 11:15:12,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1057044870] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:15:12,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:15:12,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:15:12,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234302991] [2022-11-20 11:15:12,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:15:12,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:15:12,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:15:12,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:15:12,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:15:12,330 INFO L87 Difference]: Start difference. First operand 30837 states and 45431 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-20 11:15:16,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:15:16,150 INFO L93 Difference]: Finished difference Result 71847 states and 105893 transitions. [2022-11-20 11:15:16,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:15:16,150 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 390 [2022-11-20 11:15:16,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:15:16,393 INFO L225 Difference]: With dead ends: 71847 [2022-11-20 11:15:16,394 INFO L226 Difference]: Without dead ends: 44381 [2022-11-20 11:15:16,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:15:16,494 INFO L413 NwaCegarLoop]: 10221 mSDtfsCounter, 5035 mSDsluCounter, 5226 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5035 SdHoareTripleChecker+Valid, 15447 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-20 11:15:16,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5035 Valid, 15447 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-20 11:15:16,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44381 states. [2022-11-20 11:15:19,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44381 to 44377. [2022-11-20 11:15:19,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44377 states, 31798 states have (on average 1.3464683313415937) internal successors, (42815), 32406 states have internal predecessors, (42815), 11277 states have call successors, (11277), 1301 states have call predecessors, (11277), 1301 states have return successors, (11277), 10942 states have call predecessors, (11277), 11277 states have call successors, (11277) [2022-11-20 11:15:19,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44377 states to 44377 states and 65369 transitions. [2022-11-20 11:15:19,808 INFO L78 Accepts]: Start accepts. Automaton has 44377 states and 65369 transitions. Word has length 390 [2022-11-20 11:15:19,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:15:19,809 INFO L495 AbstractCegarLoop]: Abstraction has 44377 states and 65369 transitions. [2022-11-20 11:15:19,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-20 11:15:19,809 INFO L276 IsEmpty]: Start isEmpty. Operand 44377 states and 65369 transitions. [2022-11-20 11:15:19,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2022-11-20 11:15:19,896 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:15:19,896 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 26, 26, 26, 26, 26, 26, 6, 6, 6, 3, 3, 3, 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] [2022-11-20 11:15:20,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-20 11:15:20,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:15:20,120 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:15:20,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:15:20,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1846014101, now seen corresponding path program 1 times [2022-11-20 11:15:20,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:15:20,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [84610403] [2022-11-20 11:15:20,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:15:20,131 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:15:20,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:15:20,133 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:15:20,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-20 11:15:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:33,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 7655 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:15:33,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:15:34,104 INFO L134 CoverageAnalysis]: Checked inductivity of 3421 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 3192 trivial. 0 not checked. [2022-11-20 11:15:34,104 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:15:34,105 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:15:34,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [84610403] [2022-11-20 11:15:34,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [84610403] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:15:34,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:15:34,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:15:34,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429875855] [2022-11-20 11:15:34,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:15:34,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:15:34,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:15:34,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:15:34,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:15:34,108 INFO L87 Difference]: Start difference. First operand 44377 states and 65369 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (43), 3 states have call predecessors, (43), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-20 11:15:38,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:15:38,167 INFO L93 Difference]: Finished difference Result 105746 states and 155797 transitions. [2022-11-20 11:15:38,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:15:38,291 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (43), 3 states have call predecessors, (43), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 424 [2022-11-20 11:15:38,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:15:38,694 INFO L225 Difference]: With dead ends: 105746 [2022-11-20 11:15:38,694 INFO L226 Difference]: Without dead ends: 61370 [2022-11-20 11:15:38,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:15:38,897 INFO L413 NwaCegarLoop]: 10431 mSDtfsCounter, 5134 mSDsluCounter, 5269 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5134 SdHoareTripleChecker+Valid, 15700 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:15:38,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5134 Valid, 15700 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-20 11:15:38,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61370 states. [2022-11-20 11:15:42,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61370 to 61368. [2022-11-20 11:15:42,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61368 states, 43968 states have (on average 1.346934133915575) internal successors, (59222), 44806 states have internal predecessors, (59222), 15599 states have call successors, (15599), 1800 states have call predecessors, (15599), 1800 states have return successors, (15599), 15139 states have call predecessors, (15599), 15599 states have call successors, (15599) [2022-11-20 11:15:43,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61368 states to 61368 states and 90420 transitions. [2022-11-20 11:15:43,311 INFO L78 Accepts]: Start accepts. Automaton has 61368 states and 90420 transitions. Word has length 424 [2022-11-20 11:15:43,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:15:43,312 INFO L495 AbstractCegarLoop]: Abstraction has 61368 states and 90420 transitions. [2022-11-20 11:15:43,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (43), 3 states have call predecessors, (43), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-20 11:15:43,312 INFO L276 IsEmpty]: Start isEmpty. Operand 61368 states and 90420 transitions. [2022-11-20 11:15:43,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2022-11-20 11:15:43,399 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:15:43,400 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 26, 26, 26, 26, 26, 26, 7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:15:43,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-20 11:15:43,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:15:43,624 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:15:43,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:15:43,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1181655894, now seen corresponding path program 1 times [2022-11-20 11:15:43,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:15:43,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1759818738] [2022-11-20 11:15:43,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:15:43,637 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:15:43,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:15:43,638 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:15:43,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4f4fc8-27e1-49cc-b851-49f26d76b124/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-20 11:15:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:15:57,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 7692 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-20 11:15:57,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:16:00,770 INFO L134 CoverageAnalysis]: Checked inductivity of 3658 backedges. 537 proven. 3 refuted. 0 times theorem prover too weak. 3118 trivial. 0 not checked. [2022-11-20 11:16:00,770 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:16:04,765 INFO L134 CoverageAnalysis]: Checked inductivity of 3658 backedges. 45 proven. 24 refuted. 0 times theorem prover too weak. 3589 trivial. 0 not checked. [2022-11-20 11:16:04,765 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:16:04,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1759818738] [2022-11-20 11:16:04,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1759818738] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:16:04,766 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 11:16:04,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 22 [2022-11-20 11:16:04,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325867567] [2022-11-20 11:16:04,766 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 11:16:04,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-20 11:16:04,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:16:04,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-20 11:16:04,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-11-20 11:16:04,768 INFO L87 Difference]: Start difference. First operand 61368 states and 90420 transitions. Second operand has 22 states, 21 states have (on average 7.238095238095238) internal successors, (152), 20 states have internal predecessors, (152), 6 states have call successors, (57), 3 states have call predecessors, (57), 8 states have return successors, (57), 7 states have call predecessors, (57), 6 states have call successors, (57)