./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-rtl8188ee-rtl8188ee.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 20ba2e9cc2ef279759182db9390a81601d500e95b3e9fdb04cf7f5f978bf9c45 --- 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 19:48:51,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 19:48:51,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 19:48:52,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 19:48:52,046 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 19:48:52,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 19:48:52,052 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 19:48:52,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 19:48:52,058 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 19:48:52,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 19:48:52,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 19:48:52,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 19:48:52,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 19:48:52,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 19:48:52,067 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 19:48:52,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 19:48:52,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 19:48:52,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 19:48:52,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 19:48:52,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 19:48:52,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 19:48:52,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 19:48:52,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 19:48:52,082 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 19:48:52,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 19:48:52,094 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 19:48:52,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 19:48:52,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 19:48:52,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 19:48:52,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 19:48:52,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 19:48:52,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 19:48:52,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 19:48:52,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 19:48:52,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 19:48:52,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 19:48:52,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 19:48:52,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 19:48:52,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 19:48:52,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 19:48:52,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 19:48:52,110 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-20 19:48:52,150 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 19:48:52,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 19:48:52,151 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 19:48:52,151 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 19:48:52,152 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 19:48:52,152 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 19:48:52,152 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 19:48:52,153 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 19:48:52,153 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 19:48:52,153 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 19:48:52,154 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 19:48:52,154 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 19:48:52,154 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 19:48:52,155 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 19:48:52,155 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 19:48:52,155 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 19:48:52,155 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 19:48:52,155 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 19:48:52,156 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 19:48:52,156 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 19:48:52,156 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 19:48:52,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 19:48:52,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 19:48:52,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 19:48:52,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 19:48:52,157 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 19:48:52,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 19:48:52,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 19:48:52,158 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 19:48:52,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:48:52,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 19:48:52,159 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 19:48:52,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 19:48:52,159 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 19:48:52,159 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 19:48:52,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 19:48:52,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 19:48:52,160 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 19:48:52,160 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_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20ba2e9cc2ef279759182db9390a81601d500e95b3e9fdb04cf7f5f978bf9c45 [2022-11-20 19:48:52,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 19:48:52,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 19:48:52,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 19:48:52,500 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 19:48:52,500 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 19:48:52,501 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2022-11-20 19:48:55,513 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 19:48:56,526 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 19:48:56,526 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2022-11-20 19:48:56,614 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/data/af31f67f3/356d179ef0b84850957474ad9c24e594/FLAG739a11198 [2022-11-20 19:48:56,639 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/data/af31f67f3/356d179ef0b84850957474ad9c24e594 [2022-11-20 19:48:56,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 19:48:56,644 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 19:48:56,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 19:48:56,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 19:48:56,653 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 19:48:56,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:48:56" (1/1) ... [2022-11-20 19:48:56,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1578012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:56, skipping insertion in model container [2022-11-20 19:48:56,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:48:56" (1/1) ... [2022-11-20 19:48:56,664 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 19:48:57,042 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:49:00,881 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 19:49:00,891 INFO L158 Benchmark]: Toolchain (without parser) took 4244.52ms. Allocated memory was 163.6MB in the beginning and 211.8MB in the end (delta: 48.2MB). Free memory was 91.9MB in the beginning and 80.3MB in the end (delta: 11.6MB). Peak memory consumption was 67.3MB. Max. memory is 16.1GB. [2022-11-20 19:49:00,891 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 19:49:00,893 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4239.58ms. Allocated memory was 163.6MB in the beginning and 211.8MB in the end (delta: 48.2MB). Free memory was 91.5MB in the beginning and 80.3MB in the end (delta: 11.2MB). Peak memory consumption was 67.3MB. Max. memory is 16.1GB. [2022-11-20 19:49:00,895 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4239.58ms. Allocated memory was 163.6MB in the beginning and 211.8MB in the end (delta: 48.2MB). Free memory was 91.5MB in the beginning and 80.3MB in the end (delta: 11.2MB). Peak memory consumption was 67.3MB. 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 20ba2e9cc2ef279759182db9390a81601d500e95b3e9fdb04cf7f5f978bf9c45 --- 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 19:49:03,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 19:49:03,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 19:49:03,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 19:49:03,246 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 19:49:03,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 19:49:03,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 19:49:03,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 19:49:03,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 19:49:03,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 19:49:03,265 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 19:49:03,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 19:49:03,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 19:49:03,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 19:49:03,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 19:49:03,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 19:49:03,280 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 19:49:03,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 19:49:03,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 19:49:03,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 19:49:03,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 19:49:03,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 19:49:03,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 19:49:03,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 19:49:03,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 19:49:03,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 19:49:03,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 19:49:03,307 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 19:49:03,307 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 19:49:03,308 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 19:49:03,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 19:49:03,310 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 19:49:03,311 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 19:49:03,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 19:49:03,313 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 19:49:03,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 19:49:03,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 19:49:03,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 19:49:03,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 19:49:03,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 19:49:03,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 19:49:03,341 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-20 19:49:03,383 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 19:49:03,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 19:49:03,384 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 19:49:03,385 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 19:49:03,385 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 19:49:03,386 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 19:49:03,386 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 19:49:03,386 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 19:49:03,386 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 19:49:03,387 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 19:49:03,388 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 19:49:03,388 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 19:49:03,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 19:49:03,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 19:49:03,389 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 19:49:03,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 19:49:03,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 19:49:03,390 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 19:49:03,390 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 19:49:03,390 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 19:49:03,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 19:49:03,390 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 19:49:03,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 19:49:03,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 19:49:03,391 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 19:49:03,391 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 19:49:03,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:49:03,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 19:49:03,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 19:49:03,392 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 19:49:03,392 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 19:49:03,393 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 19:49:03,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 19:49:03,393 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 19:49:03,393 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 19:49:03,394 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_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20ba2e9cc2ef279759182db9390a81601d500e95b3e9fdb04cf7f5f978bf9c45 [2022-11-20 19:49:03,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 19:49:03,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 19:49:03,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 19:49:03,824 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 19:49:03,825 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 19:49:03,826 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2022-11-20 19:49:06,874 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 19:49:08,040 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 19:49:08,042 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2022-11-20 19:49:08,172 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/data/088ca9021/ab10a1d697f347909d15c155e2fd9cfa/FLAG2eac0d26b [2022-11-20 19:49:08,194 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/data/088ca9021/ab10a1d697f347909d15c155e2fd9cfa [2022-11-20 19:49:08,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 19:49:08,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 19:49:08,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 19:49:08,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 19:49:08,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 19:49:08,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:49:08" (1/1) ... [2022-11-20 19:49:08,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9447a49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:08, skipping insertion in model container [2022-11-20 19:49:08,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:49:08" (1/1) ... [2022-11-20 19:49:08,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 19:49:08,532 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:49:16,094 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_74201e11-063d-48f8-b32d-cf5bcf29bbee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[885586,885599] [2022-11-20 19:49:16,099 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_74201e11-063d-48f8-b32d-cf5bcf29bbee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[885733,885746] [2022-11-20 19:49:16,101 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_74201e11-063d-48f8-b32d-cf5bcf29bbee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[885872,885885] [2022-11-20 19:49:16,102 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_74201e11-063d-48f8-b32d-cf5bcf29bbee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[886030,886043] [2022-11-20 19:49:16,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:49:16,366 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 19:49:16,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:49:17,525 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_74201e11-063d-48f8-b32d-cf5bcf29bbee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[885586,885599] [2022-11-20 19:49:17,525 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_74201e11-063d-48f8-b32d-cf5bcf29bbee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[885733,885746] [2022-11-20 19:49:17,526 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_74201e11-063d-48f8-b32d-cf5bcf29bbee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[885872,885885] [2022-11-20 19:49:17,526 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_74201e11-063d-48f8-b32d-cf5bcf29bbee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[886030,886043] [2022-11-20 19:49:17,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:49:17,706 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 19:49:18,801 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_74201e11-063d-48f8-b32d-cf5bcf29bbee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[885586,885599] [2022-11-20 19:49:18,801 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_74201e11-063d-48f8-b32d-cf5bcf29bbee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[885733,885746] [2022-11-20 19:49:18,802 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_74201e11-063d-48f8-b32d-cf5bcf29bbee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[885872,885885] [2022-11-20 19:49:18,803 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_74201e11-063d-48f8-b32d-cf5bcf29bbee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[886030,886043] [2022-11-20 19:49:18,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:49:19,222 INFO L208 MainTranslator]: Completed translation [2022-11-20 19:49:19,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:19 WrapperNode [2022-11-20 19:49:19,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 19:49:19,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 19:49:19,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 19:49:19,225 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 19:49:19,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:19" (1/1) ... [2022-11-20 19:49:19,514 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:19" (1/1) ... [2022-11-20 19:49:20,158 INFO L138 Inliner]: procedures = 596, calls = 10819, calls flagged for inlining = 348, calls inlined = 340, statements flattened = 24696 [2022-11-20 19:49:20,159 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 19:49:20,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 19:49:20,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 19:49:20,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 19:49:20,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:19" (1/1) ... [2022-11-20 19:49:20,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:19" (1/1) ... [2022-11-20 19:49:20,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:19" (1/1) ... [2022-11-20 19:49:20,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:19" (1/1) ... [2022-11-20 19:49:21,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:19" (1/1) ... [2022-11-20 19:49:21,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:19" (1/1) ... [2022-11-20 19:49:21,258 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:19" (1/1) ... [2022-11-20 19:49:21,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:19" (1/1) ... [2022-11-20 19:49:21,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 19:49:21,493 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 19:49:21,493 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 19:49:21,494 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 19:49:21,495 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:19" (1/1) ... [2022-11-20 19:49:21,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:49:21,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:49:21,531 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 19:49:21,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 19:49:21,570 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_check_bssid [2022-11-20 19:49:21,570 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_check_bssid [2022-11-20 19:49:21,570 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_query_rf_reg [2022-11-20 19:49:21,570 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_query_rf_reg [2022-11-20 19:49:21,570 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_sw_led_on [2022-11-20 19:49:21,570 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_sw_led_on [2022-11-20 19:49:21,571 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-20 19:49:21,571 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-20 19:49:21,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 19:49:21,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 19:49:21,571 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_lc_calibrate [2022-11-20 19:49:21,571 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_lc_calibrate [2022-11-20 19:49:21,571 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8188e_config_bb_reg [2022-11-20 19:49:21,572 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8188e_config_bb_reg [2022-11-20 19:49:21,572 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2022-11-20 19:49:21,572 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2022-11-20 19:49:21,572 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_fwlps_enter [2022-11-20 19:49:21,572 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_fwlps_enter [2022-11-20 19:49:21,572 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_path_adda_on [2022-11-20 19:49:21,572 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_path_adda_on [2022-11-20 19:49:21,573 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_signal_scale_mapping [2022-11-20 19:49:21,573 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_signal_scale_mapping [2022-11-20 19:49:21,573 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2022-11-20 19:49:21,573 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2022-11-20 19:49:21,573 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-20 19:49:21,573 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-20 19:49:21,574 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 19:49:21,574 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 19:49:21,574 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_query_bb_reg [2022-11-20 19:49:21,574 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_query_bb_reg [2022-11-20 19:49:21,574 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_suspend [2022-11-20 19:49:21,574 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_suspend [2022-11-20 19:49:21,574 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-11-20 19:49:21,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-11-20 19:49:21,575 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_enable_interrupt [2022-11-20 19:49:21,575 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_enable_interrupt [2022-11-20 19:49:21,575 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_sw_led_off [2022-11-20 19:49:21,575 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_sw_led_off [2022-11-20 19:49:21,575 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-20 19:49:21,576 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2022-11-20 19:49:21,576 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2022-11-20 19:49:21,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 19:49:21,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 19:49:21,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl88ee_driver_exit_9_2 [2022-11-20 19:49:21,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl88ee_driver_exit_9_2 [2022-11-20 19:49:21,576 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_config_rf_with_headerfile [2022-11-20 19:49:21,577 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_config_rf_with_headerfile [2022-11-20 19:49:21,577 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_firmware_selfreset [2022-11-20 19:49:21,577 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_firmware_selfreset [2022-11-20 19:49:21,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 19:49:21,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 19:49:21,577 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 19:49:21,578 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 19:49:21,578 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_get_desc [2022-11-20 19:49:21,578 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_get_desc [2022-11-20 19:49:21,578 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_beacon_interval [2022-11-20 19:49:21,578 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_beacon_interval [2022-11-20 19:49:21,578 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_disable_interrupt [2022-11-20 19:49:21,578 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_disable_interrupt [2022-11-20 19:49:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 19:49:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_resume [2022-11-20 19:49:21,579 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_resume [2022-11-20 19:49:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 19:49:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 19:49:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 19:49:21,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 19:49:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-20 19:49:21,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-20 19:49:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_channel_access_setting [2022-11-20 19:49:21,580 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_channel_access_setting [2022-11-20 19:49:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_update_rx_idle_ant [2022-11-20 19:49:21,580 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_update_rx_idle_ant [2022-11-20 19:49:21,580 INFO L130 BoogieDeclarations]: Found specification of procedure get_rf_type [2022-11-20 19:49:21,581 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rf_type [2022-11-20 19:49:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-20 19:49:21,581 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-20 19:49:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-20 19:49:21,581 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-20 19:49:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_has_protected [2022-11-20 19:49:21,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_has_protected [2022-11-20 19:49:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 19:49:21,582 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 19:49:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure is_hal_stop [2022-11-20 19:49:21,582 INFO L138 BoogieDeclarations]: Found implementation of procedure is_hal_stop [2022-11-20 19:49:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 19:49:21,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 19:49:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure rf_serial_read [2022-11-20 19:49:21,583 INFO L138 BoogieDeclarations]: Found implementation of procedure rf_serial_read [2022-11-20 19:49:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_interrupt_mask [2022-11-20 19:49:21,583 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_interrupt_mask [2022-11-20 19:49:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-20 19:49:21,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-20 19:49:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 19:49:21,583 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 19:49:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_rf_reg [2022-11-20 19:49:21,584 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_rf_reg [2022-11-20 19:49:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 19:49:21,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 19:49:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-20 19:49:21,584 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-20 19:49:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-11-20 19:49:21,585 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-11-20 19:49:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_card_disable [2022-11-20 19:49:21,585 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_card_disable [2022-11-20 19:49:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_check_fw_read_last_h2c [2022-11-20 19:49:21,585 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_check_fw_read_last_h2c [2022-11-20 19:49:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_beacon [2022-11-20 19:49:21,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_beacon [2022-11-20 19:49:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-11-20 19:49:21,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-11-20 19:49:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_led_control [2022-11-20 19:49:21,586 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_led_control [2022-11-20 19:49:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_beacon_related_registers [2022-11-20 19:49:21,586 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_beacon_related_registers [2022-11-20 19:49:21,587 INFO L130 BoogieDeclarations]: Found specification of procedure save_adda_reg [2022-11-20 19:49:21,587 INFO L138 BoogieDeclarations]: Found implementation of procedure save_adda_reg [2022-11-20 19:49:21,587 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-11-20 19:49:21,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-11-20 19:49:21,587 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-20 19:49:21,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-20 19:49:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 19:49:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-20 19:49:21,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-20 19:49:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-11-20 19:49:21,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-11-20 19:49:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-20 19:49:21,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-20 19:49:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-11-20 19:49:21,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-11-20 19:49:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-20 19:49:21,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-20 19:49:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_hw_reg [2022-11-20 19:49:21,589 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_hw_reg [2022-11-20 19:49:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 19:49:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 19:49:21,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 19:49:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 19:49:21,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 19:49:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 19:49:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-20 19:49:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 19:49:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 19:49:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_rfpath_switch [2022-11-20 19:49:21,595 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_rfpath_switch [2022-11-20 19:49:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 19:49:21,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 19:49:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 19:49:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_hal_rate_tbl [2022-11-20 19:49:21,598 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_hal_rate_tbl [2022-11-20 19:49:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_txpower_level [2022-11-20 19:49:21,598 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_txpower_level [2022-11-20 19:49:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-20 19:49:21,598 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-20 19:49:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_bb_reg [2022-11-20 19:49:21,599 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_bb_reg [2022-11-20 19:49:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_qos [2022-11-20 19:49:21,599 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_qos [2022-11-20 19:49:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_iq_calibrate [2022-11-20 19:49:21,600 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_iq_calibrate [2022-11-20 19:49:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_cam_add_one_entry [2022-11-20 19:49:21,600 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_cam_add_one_entry [2022-11-20 19:49:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_check_txpower_tracking [2022-11-20 19:49:21,601 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_check_txpower_tracking [2022-11-20 19:49:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_init_led [2022-11-20 19:49:21,602 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_init_led [2022-11-20 19:49:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_txpower_track_adjust [2022-11-20 19:49:21,602 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_txpower_track_adjust [2022-11-20 19:49:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 19:49:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_poweroff_adapter [2022-11-20 19:49:21,603 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_poweroff_adapter [2022-11-20 19:49:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_init_edca_turbo [2022-11-20 19:49:21,603 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_init_edca_turbo [2022-11-20 19:49:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_bcn_ctrl_reg [2022-11-20 19:49:21,603 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_bcn_ctrl_reg [2022-11-20 19:49:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_init_sw_leds [2022-11-20 19:49:21,604 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_init_sw_leds [2022-11-20 19:49:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 19:49:21,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 19:49:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-20 19:49:21,604 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-20 19:49:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 19:49:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88_hal_pwrseqcmdparsing [2022-11-20 19:49:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88_hal_pwrseqcmdparsing [2022-11-20 19:49:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 19:49:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 19:49:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_enable_hw_security_config [2022-11-20 19:49:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_enable_hw_security_config [2022-11-20 19:49:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 19:49:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 19:49:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 19:49:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 19:49:21,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 19:49:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_DA [2022-11-20 19:49:21,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_DA [2022-11-20 19:49:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_rfreg [2022-11-20 19:49:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_rfreg [2022-11-20 19:49:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-20 19:49:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-20 19:49:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2022-11-20 19:49:21,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2022-11-20 19:49:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-20 19:49:21,611 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-20 19:49:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_set_iqk_matrix [2022-11-20 19:49:21,611 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_set_iqk_matrix [2022-11-20 19:49:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_chk_tx_track [2022-11-20 19:49:21,611 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_chk_tx_track [2022-11-20 19:49:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-11-20 19:49:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-11-20 19:49:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_stop_tx_beacon [2022-11-20 19:49:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_stop_tx_beacon [2022-11-20 19:49:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2022-11-20 19:49:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2022-11-20 19:49:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2022-11-20 19:49:21,613 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2022-11-20 19:49:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-20 19:49:21,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-20 19:49:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_llt_write [2022-11-20 19:49:21,614 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_llt_write [2022-11-20 19:49:21,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 19:49:21,614 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 19:49:21,614 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_suspend [2022-11-20 19:49:21,615 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_suspend [2022-11-20 19:49:21,615 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_watchdog [2022-11-20 19:49:21,615 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_watchdog [2022-11-20 19:49:21,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-20 19:49:21,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-20 19:49:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_bw_mode [2022-11-20 19:49:21,616 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_bw_mode [2022-11-20 19:49:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_fast_ant_training [2022-11-20 19:49:21,617 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_fast_ant_training [2022-11-20 19:49:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure sim_comp [2022-11-20 19:49:21,617 INFO L138 BoogieDeclarations]: Found implementation of procedure sim_comp [2022-11-20 19:49:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_deinit_sw_vars [2022-11-20 19:49:21,617 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_deinit_sw_vars [2022-11-20 19:49:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_tx_polling [2022-11-20 19:49:21,618 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_tx_polling [2022-11-20 19:49:21,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 19:49:21,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2022-11-20 19:49:21,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2022-11-20 19:49:21,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 19:49:21,618 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_pi_mode_switch [2022-11-20 19:49:21,618 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_pi_mode_switch [2022-11-20 19:49:21,618 INFO L130 BoogieDeclarations]: Found specification of procedure cal_bit_shift [2022-11-20 19:49:21,619 INFO L138 BoogieDeclarations]: Found implementation of procedure cal_bit_shift [2022-11-20 19:49:21,619 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_enable_fw_download [2022-11-20 19:49:21,619 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_enable_fw_download [2022-11-20 19:49:21,619 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_ctl [2022-11-20 19:49:21,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_ctl [2022-11-20 19:49:21,619 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-11-20 19:49:21,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-11-20 19:49:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 19:49:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 19:49:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 19:49:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 19:49:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 19:49:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-20 19:49:21,620 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-20 19:49:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-20 19:49:21,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-20 19:49:21,621 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_ps_rf_on [2022-11-20 19:49:21,621 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_ps_rf_on [2022-11-20 19:49:21,621 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-20 19:49:21,622 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-20 19:49:21,622 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___6 [2022-11-20 19:49:21,622 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___6 [2022-11-20 19:49:21,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 19:49:21,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 19:49:21,623 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_hw_init [2022-11-20 19:49:21,623 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_hw_init [2022-11-20 19:49:21,623 INFO L130 BoogieDeclarations]: Found specification of procedure check_cond [2022-11-20 19:49:21,623 INFO L138 BoogieDeclarations]: Found implementation of procedure check_cond [2022-11-20 19:49:21,623 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_rfreg [2022-11-20 19:49:21,624 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_rfreg [2022-11-20 19:49:21,624 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_initial_gain_min_pwdb [2022-11-20 19:49:21,624 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_initial_gain_min_pwdb [2022-11-20 19:49:21,624 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_iq_calibrate [2022-11-20 19:49:21,624 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_iq_calibrate [2022-11-20 19:49:21,625 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-11-20 19:49:21,625 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-11-20 19:49:21,625 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_resume [2022-11-20 19:49:21,625 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_resume [2022-11-20 19:49:21,625 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-11-20 19:49:21,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-11-20 19:49:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_get_hw_reg [2022-11-20 19:49:21,626 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_get_hw_reg [2022-11-20 19:49:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_phy_scan_operation_backup [2022-11-20 19:49:21,626 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_phy_scan_operation_backup [2022-11-20 19:49:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-20 19:49:21,626 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-20 19:49:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-20 19:49:21,627 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-20 19:49:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 19:49:21,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 19:49:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_fill_h2c_cmd [2022-11-20 19:49:21,628 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_fill_h2c_cmd [2022-11-20 19:49:21,628 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_fw_page_write [2022-11-20 19:49:21,628 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_fw_page_write [2022-11-20 19:49:21,628 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_query_rxpwrpercentage [2022-11-20 19:49:21,628 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_query_rxpwrpercentage [2022-11-20 19:49:21,628 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_update_tx_ant [2022-11-20 19:49:21,629 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_update_tx_ant [2022-11-20 19:49:21,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 19:49:21,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 19:49:21,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 19:49:21,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 19:49:21,629 INFO L130 BoogieDeclarations]: Found specification of procedure reload_adda [2022-11-20 19:49:21,630 INFO L138 BoogieDeclarations]: Found implementation of procedure reload_adda [2022-11-20 19:49:21,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 19:49:21,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 19:49:21,630 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_bbreg [2022-11-20 19:49:21,630 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_bbreg [2022-11-20 19:49:21,631 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_read_eeprom_info [2022-11-20 19:49:21,631 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_read_eeprom_info [2022-11-20 19:49:21,631 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_clock_off [2022-11-20 19:49:21,631 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_clock_off [2022-11-20 19:49:21,631 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_bbreg [2022-11-20 19:49:21,631 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_bbreg [2022-11-20 19:49:21,632 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-20 19:49:21,632 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-20 19:49:21,632 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_resume_tx_beacon [2022-11-20 19:49:21,632 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_resume_tx_beacon [2022-11-20 19:49:21,632 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_init_sw_vars [2022-11-20 19:49:21,632 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_init_sw_vars [2022-11-20 19:49:21,633 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2022-11-20 19:49:21,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2022-11-20 19:49:21,633 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-11-20 19:49:21,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-11-20 19:49:21,633 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88_config_s [2022-11-20 19:49:21,634 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88_config_s [2022-11-20 19:49:21,634 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-20 19:49:21,634 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-20 19:49:21,634 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-20 19:49:21,634 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-20 19:49:21,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 19:49:21,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 19:49:21,635 INFO L130 BoogieDeclarations]: Found specification of procedure config_bb_with_header [2022-11-20 19:49:21,635 INFO L138 BoogieDeclarations]: Found implementation of procedure config_bb_with_header [2022-11-20 19:49:21,635 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-20 19:49:21,635 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-20 19:49:21,635 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2022-11-20 19:49:21,636 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2022-11-20 19:49:21,636 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_media_status [2022-11-20 19:49:21,636 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_media_status [2022-11-20 19:49:21,636 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_fwlps_leave [2022-11-20 19:49:21,636 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_fwlps_leave [2022-11-20 19:49:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-20 19:49:21,637 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-20 19:49:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-20 19:49:21,637 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-20 19:49:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_tx_fill_cmddesc [2022-11-20 19:49:21,637 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_tx_fill_cmddesc [2022-11-20 19:49:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_disconnect [2022-11-20 19:49:21,638 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_disconnect [2022-11-20 19:49:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_sw_chnl_cmdarray [2022-11-20 19:49:21,638 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_sw_chnl_cmdarray [2022-11-20 19:49:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-20 19:49:21,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-20 19:49:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_clock_on [2022-11-20 19:49:21,639 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_clock_on [2022-11-20 19:49:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-20 19:49:21,639 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-20 19:49:23,823 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 19:49:23,828 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 19:49:29,214 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 19:58:24,467 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-20 19:58:26,907 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 19:58:26,970 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 19:58:26,971 INFO L300 CfgBuilder]: Removed 19 assume(true) statements. [2022-11-20 19:58:26,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:58:26 BoogieIcfgContainer [2022-11-20 19:58:26,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 19:58:26,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 19:58:26,989 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 19:58:26,994 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 19:58:26,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:49:08" (1/3) ... [2022-11-20 19:58:26,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@695b975e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:58:26, skipping insertion in model container [2022-11-20 19:58:26,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:19" (2/3) ... [2022-11-20 19:58:26,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@695b975e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:58:26, skipping insertion in model container [2022-11-20 19:58:26,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:58:26" (3/3) ... [2022-11-20 19:58:26,998 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2022-11-20 19:58:27,020 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 19:58:27,021 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-20 19:58:27,229 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 19:58:27,240 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=FINITE_AUTOMATA, 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;@4342cacc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 19:58:27,240 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-20 19:58:27,270 INFO L276 IsEmpty]: Start isEmpty. Operand has 7488 states, 5128 states have (on average 1.3710998439937598) internal successors, (7031), 5292 states have internal predecessors, (7031), 2203 states have call successors, (2203), 164 states have call predecessors, (2203), 163 states have return successors, (2193), 2124 states have call predecessors, (2193), 2193 states have call successors, (2193) [2022-11-20 19:58:27,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2022-11-20 19:58:27,323 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:58:27,324 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:58:27,325 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 19:58:27,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:58:27,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1696369132, now seen corresponding path program 1 times [2022-11-20 19:58:27,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:58:27,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1566384227] [2022-11-20 19:58:27,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:58:27,377 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 19:58:27,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:58:27,387 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/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 19:58:27,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/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 19:58:47,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:58:48,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 10947 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 19:58:48,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:58:49,534 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 3159 trivial. 0 not checked. [2022-11-20 19:58:49,535 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:58:49,536 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:58:49,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1566384227] [2022-11-20 19:58:49,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1566384227] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:58:49,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:58:49,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:58:49,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985884707] [2022-11-20 19:58:49,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:58:49,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 19:58:49,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:58:49,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 19:58:49,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 19:58:49,602 INFO L87 Difference]: Start difference. First operand has 7488 states, 5128 states have (on average 1.3710998439937598) internal successors, (7031), 5292 states have internal predecessors, (7031), 2203 states have call successors, (2203), 164 states have call predecessors, (2203), 163 states have return successors, (2193), 2124 states have call predecessors, (2193), 2193 states have call successors, (2193) Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-20 19:58:53,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.91s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:58:55,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:58:55,538 INFO L93 Difference]: Finished difference Result 14786 states and 22862 transitions. [2022-11-20 19:58:55,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 19:58:55,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 326 [2022-11-20 19:58:55,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:58:55,657 INFO L225 Difference]: With dead ends: 14786 [2022-11-20 19:58:55,658 INFO L226 Difference]: Without dead ends: 8643 [2022-11-20 19:58:55,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 324 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 19:58:55,740 INFO L413 NwaCegarLoop]: 8645 mSDtfsCounter, 7227 mSDsluCounter, 7343 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7227 SdHoareTripleChecker+Valid, 15988 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:58:55,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7227 Valid, 15988 Invalid, 44 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2022-11-20 19:58:55,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8643 states. [2022-11-20 19:58:56,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8643 to 8641. [2022-11-20 19:58:56,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8641 states, 6179 states have (on average 1.339213464961968) internal successors, (8275), 6308 states have internal predecessors, (8275), 2217 states have call successors, (2217), 244 states have call predecessors, (2217), 243 states have return successors, (2214), 2152 states have call predecessors, (2214), 2214 states have call successors, (2214) [2022-11-20 19:58:56,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8641 states to 8641 states and 12706 transitions. [2022-11-20 19:58:56,920 INFO L78 Accepts]: Start accepts. Automaton has 8641 states and 12706 transitions. Word has length 326 [2022-11-20 19:58:56,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:58:56,924 INFO L495 AbstractCegarLoop]: Abstraction has 8641 states and 12706 transitions. [2022-11-20 19:58:56,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-20 19:58:56,925 INFO L276 IsEmpty]: Start isEmpty. Operand 8641 states and 12706 transitions. [2022-11-20 19:58:56,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2022-11-20 19:58:56,945 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:58:56,945 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:58:57,173 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/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)] Forcibly destroying the process [2022-11-20 19:58:57,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/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)] Forceful destruction successful, exit code 0 [2022-11-20 19:58:57,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/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 19:58:57,255 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 19:58:57,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:58:57,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1050074975, now seen corresponding path program 1 times [2022-11-20 19:58:57,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:58:57,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1098669608] [2022-11-20 19:58:57,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:58:57,278 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 19:58:57,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:58:57,279 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/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 19:58:57,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/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 19:59:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:59:18,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 10982 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 19:59:18,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:59:19,960 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 3159 trivial. 0 not checked. [2022-11-20 19:59:19,960 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:59:19,960 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:59:19,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1098669608] [2022-11-20 19:59:19,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1098669608] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:59:19,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:59:19,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:59:19,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272664962] [2022-11-20 19:59:19,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:59:19,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 19:59:19,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:59:19,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 19:59:19,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 19:59:19,965 INFO L87 Difference]: Start difference. First operand 8641 states and 12706 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-20 19:59:23,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.92s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:59:26,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:59:26,712 INFO L93 Difference]: Finished difference Result 21382 states and 31449 transitions. [2022-11-20 19:59:26,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 19:59:26,713 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 336 [2022-11-20 19:59:26,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:59:26,838 INFO L225 Difference]: With dead ends: 21382 [2022-11-20 19:59:26,838 INFO L226 Difference]: Without dead ends: 12800 [2022-11-20 19:59:26,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 334 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 19:59:26,888 INFO L413 NwaCegarLoop]: 7570 mSDtfsCounter, 6201 mSDsluCounter, 6380 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6201 SdHoareTripleChecker+Valid, 13950 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:59:26,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6201 Valid, 13950 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 66 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2022-11-20 19:59:26,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12800 states. [2022-11-20 19:59:28,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12800 to 12791. [2022-11-20 19:59:28,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12791 states, 9155 states have (on average 1.3381758601856908) internal successors, (12251), 9351 states have internal predecessors, (12251), 3271 states have call successors, (3271), 365 states have call predecessors, (3271), 363 states have return successors, (3268), 3170 states have call predecessors, (3268), 3268 states have call successors, (3268) [2022-11-20 19:59:28,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12791 states to 12791 states and 18790 transitions. [2022-11-20 19:59:28,306 INFO L78 Accepts]: Start accepts. Automaton has 12791 states and 18790 transitions. Word has length 336 [2022-11-20 19:59:28,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:59:28,311 INFO L495 AbstractCegarLoop]: Abstraction has 12791 states and 18790 transitions. [2022-11-20 19:59:28,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-20 19:59:28,312 INFO L276 IsEmpty]: Start isEmpty. Operand 12791 states and 18790 transitions. [2022-11-20 19:59:28,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2022-11-20 19:59:28,330 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:59:28,330 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:59:28,551 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/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)] Forcibly destroying the process [2022-11-20 19:59:28,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/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 19:59:28,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/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 19:59:28,571 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 19:59:28,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:59:28,572 INFO L85 PathProgramCache]: Analyzing trace with hash -285091204, now seen corresponding path program 1 times [2022-11-20 19:59:28,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:59:28,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1748523153] [2022-11-20 19:59:28,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:59:28,585 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 19:59:28,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:59:28,586 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/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 19:59:28,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/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 19:59:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:59:50,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 11009 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 19:59:50,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:59:51,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3244 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 3163 trivial. 0 not checked. [2022-11-20 19:59:51,286 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:59:51,286 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:59:51,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1748523153] [2022-11-20 19:59:51,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1748523153] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:59:51,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:59:51,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:59:51,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719780338] [2022-11-20 19:59:51,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:59:51,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 19:59:51,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:59:51,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 19:59:51,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 19:59:51,289 INFO L87 Difference]: Start difference. First operand 12791 states and 18790 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-20 19:59:55,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.77s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:59:57,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:59:57,701 INFO L93 Difference]: Finished difference Result 33872 states and 49771 transitions. [2022-11-20 19:59:57,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 19:59:57,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 357 [2022-11-20 19:59:57,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:59:57,858 INFO L225 Difference]: With dead ends: 33872 [2022-11-20 19:59:57,858 INFO L226 Difference]: Without dead ends: 21140 [2022-11-20 19:59:57,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 355 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 19:59:57,920 INFO L413 NwaCegarLoop]: 7536 mSDtfsCounter, 6233 mSDsluCounter, 6400 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6233 SdHoareTripleChecker+Valid, 13936 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-11-20 19:59:57,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6233 Valid, 13936 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 48 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2022-11-20 19:59:57,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21140 states. [2022-11-20 19:59:59,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21140 to 21127. [2022-11-20 19:59:59,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21127 states, 15132 states have (on average 1.3378932064499074) internal successors, (20245), 15465 states have internal predecessors, (20245), 5392 states have call successors, (5392), 604 states have call predecessors, (5392), 601 states have return successors, (5389), 5217 states have call predecessors, (5389), 5389 states have call successors, (5389) [2022-11-20 20:00:00,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21127 states to 21127 states and 31026 transitions. [2022-11-20 20:00:00,125 INFO L78 Accepts]: Start accepts. Automaton has 21127 states and 31026 transitions. Word has length 357 [2022-11-20 20:00:00,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:00:00,126 INFO L495 AbstractCegarLoop]: Abstraction has 21127 states and 31026 transitions. [2022-11-20 20:00:00,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-20 20:00:00,127 INFO L276 IsEmpty]: Start isEmpty. Operand 21127 states and 31026 transitions. [2022-11-20 20:00:00,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2022-11-20 20:00:00,145 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:00:00,146 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 27, 27, 27, 27, 27, 27, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:00:00,360 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/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)] Forcibly destroying the process [2022-11-20 20:00:00,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/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 20:00:00,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/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 20:00:00,470 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 20:00:00,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:00:00,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1131191568, now seen corresponding path program 1 times [2022-11-20 20:00:00,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 20:00:00,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2122090861] [2022-11-20 20:00:00,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:00:00,487 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 20:00:00,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 20:00:00,488 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/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 20:00:00,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/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 20:00:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:00:22,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 11074 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 20:00:22,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:00:42,703 INFO L134 CoverageAnalysis]: Checked inductivity of 3537 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3537 trivial. 0 not checked. [2022-11-20 20:00:42,703 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:00:42,704 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 20:00:42,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2122090861] [2022-11-20 20:00:42,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2122090861] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:00:42,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:00:42,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 20:00:42,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070826326] [2022-11-20 20:00:42,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:00:42,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 20:00:42,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 20:00:42,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 20:00:42,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 20:00:42,706 INFO L87 Difference]: Start difference. First operand 21127 states and 31026 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2022-11-20 20:00:44,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:00:46,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:00:46,176 INFO L93 Difference]: Finished difference Result 21127 states and 31026 transitions. [2022-11-20 20:00:46,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 20:00:46,176 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 384 [2022-11-20 20:00:46,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:00:46,290 INFO L225 Difference]: With dead ends: 21127 [2022-11-20 20:00:46,290 INFO L226 Difference]: Without dead ends: 21072 [2022-11-20 20:00:46,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 381 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:00:46,301 INFO L413 NwaCegarLoop]: 6441 mSDtfsCounter, 6299 mSDsluCounter, 6441 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6299 SdHoareTripleChecker+Valid, 12882 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-20 20:00:46,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6299 Valid, 12882 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-20 20:00:46,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21072 states. [2022-11-20 20:00:48,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21072 to 21072. [2022-11-20 20:00:48,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21072 states, 15107 states have (on average 1.3376580393195208) internal successors, (20208), 15428 states have internal predecessors, (20208), 5365 states have call successors, (5365), 599 states have call predecessors, (5365), 599 states have return successors, (5365), 5204 states have call predecessors, (5365), 5365 states have call successors, (5365) [2022-11-20 20:00:48,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21072 states to 21072 states and 30938 transitions. [2022-11-20 20:00:48,517 INFO L78 Accepts]: Start accepts. Automaton has 21072 states and 30938 transitions. Word has length 384 [2022-11-20 20:00:48,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:00:48,519 INFO L495 AbstractCegarLoop]: Abstraction has 21072 states and 30938 transitions. [2022-11-20 20:00:48,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 1 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2022-11-20 20:00:48,519 INFO L276 IsEmpty]: Start isEmpty. Operand 21072 states and 30938 transitions. [2022-11-20 20:00:48,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2022-11-20 20:00:48,552 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:00:48,552 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 27, 27, 27, 27, 27, 27, 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, 1, 1, 1, 1] [2022-11-20 20:00:48,768 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/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)] Forcibly destroying the process [2022-11-20 20:00:48,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/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 20:00:48,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/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 20:00:48,830 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:00:48,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:00:48,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1182860157, now seen corresponding path program 1 times [2022-11-20 20:00:48,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 20:00:48,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [776942121] [2022-11-20 20:00:48,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:00:48,840 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 20:00:48,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 20:00:48,841 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/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 20:00:48,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/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 20:01:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:01:10,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 11126 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 20:01:10,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:01:13,238 INFO L134 CoverageAnalysis]: Checked inductivity of 3528 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 3339 trivial. 0 not checked. [2022-11-20 20:01:13,239 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:01:13,239 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 20:01:13,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [776942121] [2022-11-20 20:01:13,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [776942121] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:01:13,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:01:13,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:01:13,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235107355] [2022-11-20 20:01:13,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:01:13,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:01:13,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 20:01:13,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:01:13,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:01:13,242 INFO L87 Difference]: Start difference. First operand 21072 states and 30938 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-20 20:01:17,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.76s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:01:20,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:01:20,077 INFO L93 Difference]: Finished difference Result 46371 states and 68098 transitions. [2022-11-20 20:01:20,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:01:20,078 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 402 [2022-11-20 20:01:20,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:01:20,262 INFO L225 Difference]: With dead ends: 46371 [2022-11-20 20:01:20,262 INFO L226 Difference]: Without dead ends: 29442 [2022-11-20 20:01:20,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 400 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 20:01:20,327 INFO L413 NwaCegarLoop]: 12461 mSDtfsCounter, 6156 mSDsluCounter, 6350 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6156 SdHoareTripleChecker+Valid, 18811 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-20 20:01:20,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6156 Valid, 18811 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 66 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2022-11-20 20:01:20,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29442 states. [2022-11-20 20:01:22,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29442 to 29438. [2022-11-20 20:01:22,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29438 states, 21108 states have (on average 1.3376444949782074) internal successors, (28235), 21559 states have internal predecessors, (28235), 7490 states have call successors, (7490), 839 states have call predecessors, (7490), 839 states have return successors, (7490), 7263 states have call predecessors, (7490), 7490 states have call successors, (7490) [2022-11-20 20:01:23,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29438 states to 29438 states and 43215 transitions. [2022-11-20 20:01:23,155 INFO L78 Accepts]: Start accepts. Automaton has 29438 states and 43215 transitions. Word has length 402 [2022-11-20 20:01:23,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:01:23,158 INFO L495 AbstractCegarLoop]: Abstraction has 29438 states and 43215 transitions. [2022-11-20 20:01:23,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-20 20:01:23,158 INFO L276 IsEmpty]: Start isEmpty. Operand 29438 states and 43215 transitions. [2022-11-20 20:01:23,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2022-11-20 20:01:23,209 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:01:23,209 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 27, 27, 27, 27, 27, 27, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:01:23,436 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/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)] Forcibly destroying the process [2022-11-20 20:01:23,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/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 20:01:23,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/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 20:01:23,527 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 20:01:23,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:01:23,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1168447198, now seen corresponding path program 1 times [2022-11-20 20:01:23,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 20:01:23,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1903088720] [2022-11-20 20:01:23,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:01:23,545 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 20:01:23,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 20:01:23,546 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/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 20:01:23,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/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 20:01:43,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:01:44,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 11166 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 20:01:44,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:01:45,425 INFO L134 CoverageAnalysis]: Checked inductivity of 3671 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 3435 trivial. 0 not checked. [2022-11-20 20:01:45,425 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:01:45,425 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 20:01:45,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1903088720] [2022-11-20 20:01:45,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1903088720] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:01:45,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:01:45,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:01:45,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535018150] [2022-11-20 20:01:45,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:01:45,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:01:45,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 20:01:45,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:01:45,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:01:45,429 INFO L87 Difference]: Start difference. First operand 29438 states and 43215 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-20 20:01:49,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.74s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:01:52,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:01:52,146 INFO L93 Difference]: Finished difference Result 79716 states and 117067 transitions. [2022-11-20 20:01:52,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:01:52,146 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 437 [2022-11-20 20:01:52,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:01:52,464 INFO L225 Difference]: With dead ends: 79716 [2022-11-20 20:01:52,464 INFO L226 Difference]: Without dead ends: 50276 [2022-11-20 20:01:52,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 435 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 20:01:52,586 INFO L413 NwaCegarLoop]: 12559 mSDtfsCounter, 6248 mSDsluCounter, 6390 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6248 SdHoareTripleChecker+Valid, 18949 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-20 20:01:52,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6248 Valid, 18949 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 30 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2022-11-20 20:01:52,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50276 states. [2022-11-20 20:01:56,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50276 to 50274. [2022-11-20 20:01:56,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50274 states, 36048 states have (on average 1.338548601864181) internal successors, (48252), 36814 states have internal predecessors, (48252), 12792 states have call successors, (12792), 1433 states have call predecessors, (12792), 1433 states have return successors, (12792), 12410 states have call predecessors, (12792), 12792 states have call successors, (12792) [2022-11-20 20:01:56,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50274 states to 50274 states and 73836 transitions. [2022-11-20 20:01:56,484 INFO L78 Accepts]: Start accepts. Automaton has 50274 states and 73836 transitions. Word has length 437 [2022-11-20 20:01:56,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:01:56,485 INFO L495 AbstractCegarLoop]: Abstraction has 50274 states and 73836 transitions. [2022-11-20 20:01:56,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-20 20:01:56,485 INFO L276 IsEmpty]: Start isEmpty. Operand 50274 states and 73836 transitions. [2022-11-20 20:01:56,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2022-11-20 20:01:56,557 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:01:56,557 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 27, 27, 27, 27, 27, 27, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:01:56,779 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/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)] Forcibly destroying the process [2022-11-20 20:01:56,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/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 20:01:56,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/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 20:01:56,819 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 20:01:56,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:01:56,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1408686944, now seen corresponding path program 1 times [2022-11-20 20:01:56,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 20:01:56,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [763397695] [2022-11-20 20:01:56,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:01:56,832 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 20:01:56,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 20:01:56,834 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/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 20:01:56,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74201e11-063d-48f8-b32d-cf5bcf29bbee/bin/utaipan-6cKwYrpEi9/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 20:02:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:02:17,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 11166 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 20:02:18,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:02:18,923 INFO L134 CoverageAnalysis]: Checked inductivity of 3671 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 3435 trivial. 0 not checked. [2022-11-20 20:02:18,923 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:02:18,923 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 20:02:18,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [763397695] [2022-11-20 20:02:18,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [763397695] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:02:18,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:02:18,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:02:18,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24614317] [2022-11-20 20:02:18,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:02:18,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:02:18,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 20:02:18,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:02:18,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:02:18,926 INFO L87 Difference]: Start difference. First operand 50274 states and 73836 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-20 20:02:22,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.73s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 20:02:26,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:02:26,770 INFO L93 Difference]: Finished difference Result 121382 states and 178303 transitions. [2022-11-20 20:02:26,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:02:26,771 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 437 [2022-11-20 20:02:26,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:02:27,474 INFO L225 Difference]: With dead ends: 121382 [2022-11-20 20:02:27,474 INFO L226 Difference]: Without dead ends: 75251 [2022-11-20 20:02:27,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 435 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 20:02:27,579 INFO L413 NwaCegarLoop]: 12664 mSDtfsCounter, 6253 mSDsluCounter, 6385 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6253 SdHoareTripleChecker+Valid, 19049 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-20 20:02:27,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6253 Valid, 19049 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2022-11-20 20:02:27,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75251 states. [2022-11-20 20:02:33,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75251 to 75249. [2022-11-20 20:02:33,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75249 states, 53972 states have (on average 1.3387682502038094) internal successors, (72256), 55116 states have internal predecessors, (72256), 19134 states have call successors, (19134), 2142 states have call predecessors, (19134), 2142 states have return successors, (19134), 18566 states have call predecessors, (19134), 19134 states have call successors, (19134)