./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-vmxnet3-vmxnet3.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd8a7ea-44ea-4660-9a7e-c774c51b2454/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd8a7ea-44ea-4660-9a7e-c774c51b2454/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd8a7ea-44ea-4660-9a7e-c774c51b2454/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd8a7ea-44ea-4660-9a7e-c774c51b2454/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-vmxnet3-vmxnet3.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd8a7ea-44ea-4660-9a7e-c774c51b2454/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd8a7ea-44ea-4660-9a7e-c774c51b2454/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 15bbc54f53a5b4d34004632abf569b960acfb9bb9ac53557ad529439e4f67d1f --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 01:14:25,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 01:14:25,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 01:14:25,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 01:14:25,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 01:14:25,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 01:14:25,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 01:14:25,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 01:14:25,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 01:14:25,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 01:14:25,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 01:14:25,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 01:14:25,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 01:14:25,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 01:14:25,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 01:14:25,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 01:14:25,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 01:14:25,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 01:14:25,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 01:14:25,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 01:14:25,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 01:14:25,686 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 01:14:25,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 01:14:25,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 01:14:25,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 01:14:25,692 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 01:14:25,692 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 01:14:25,693 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 01:14:25,694 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 01:14:25,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 01:14:25,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 01:14:25,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 01:14:25,697 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 01:14:25,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 01:14:25,699 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 01:14:25,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 01:14:25,700 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 01:14:25,700 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 01:14:25,701 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 01:14:25,702 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 01:14:25,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 01:14:25,703 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd8a7ea-44ea-4660-9a7e-c774c51b2454/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-07 01:14:25,728 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 01:14:25,728 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 01:14:25,728 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 01:14:25,728 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 01:14:25,729 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 01:14:25,729 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 01:14:25,729 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 01:14:25,730 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 01:14:25,730 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 01:14:25,730 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 01:14:25,730 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 01:14:25,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 01:14:25,730 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 01:14:25,730 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 01:14:25,731 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 01:14:25,731 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 01:14:25,731 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 01:14:25,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 01:14:25,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 01:14:25,737 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 01:14:25,737 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 01:14:25,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:14:25,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 01:14:25,738 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 01:14:25,738 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 01:14:25,738 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 01:14:25,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 01:14:25,738 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 01:14:25,738 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 01:14:25,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 01:14:25,738 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 01:14:25,738 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_6fd8a7ea-44ea-4660-9a7e-c774c51b2454/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd8a7ea-44ea-4660-9a7e-c774c51b2454/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15bbc54f53a5b4d34004632abf569b960acfb9bb9ac53557ad529439e4f67d1f [2021-12-07 01:14:25,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 01:14:25,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 01:14:25,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 01:14:25,941 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 01:14:25,941 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 01:14:25,942 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd8a7ea-44ea-4660-9a7e-c774c51b2454/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-vmxnet3-vmxnet3.cil.i [2021-12-07 01:14:25,984 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd8a7ea-44ea-4660-9a7e-c774c51b2454/bin/uautomizer-DrprNOufMa/data/5a88e42e7/ba4d97ca97a04073b1eb3352ec136e83/FLAGa598842f4 [2021-12-07 01:14:26,691 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 01:14:26,691 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd8a7ea-44ea-4660-9a7e-c774c51b2454/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-vmxnet3-vmxnet3.cil.i [2021-12-07 01:14:26,738 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd8a7ea-44ea-4660-9a7e-c774c51b2454/bin/uautomizer-DrprNOufMa/data/5a88e42e7/ba4d97ca97a04073b1eb3352ec136e83/FLAGa598842f4 [2021-12-07 01:14:27,036 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd8a7ea-44ea-4660-9a7e-c774c51b2454/bin/uautomizer-DrprNOufMa/data/5a88e42e7/ba4d97ca97a04073b1eb3352ec136e83 [2021-12-07 01:14:27,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 01:14:27,047 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 01:14:27,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 01:14:27,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 01:14:27,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 01:14:27,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:14:27" (1/1) ... [2021-12-07 01:14:27,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@316c519e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:27, skipping insertion in model container [2021-12-07 01:14:27,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:14:27" (1/1) ... [2021-12-07 01:14:27,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 01:14:27,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 01:14:30,460 WARN L230 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_6fd8a7ea-44ea-4660-9a7e-c774c51b2454/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-vmxnet3-vmxnet3.cil.i[507435,507448] [2021-12-07 01:14:30,462 WARN L230 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_6fd8a7ea-44ea-4660-9a7e-c774c51b2454/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-vmxnet3-vmxnet3.cil.i[507582,507595] [2021-12-07 01:14:30,462 WARN L230 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_6fd8a7ea-44ea-4660-9a7e-c774c51b2454/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-vmxnet3-vmxnet3.cil.i[507721,507734] [2021-12-07 01:14:30,463 WARN L230 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_6fd8a7ea-44ea-4660-9a7e-c774c51b2454/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-vmxnet3-vmxnet3.cil.i[507879,507892] [2021-12-07 01:14:30,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:14:30,530 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 01:14:30,953 WARN L230 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_6fd8a7ea-44ea-4660-9a7e-c774c51b2454/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-vmxnet3-vmxnet3.cil.i[507435,507448] [2021-12-07 01:14:30,954 WARN L230 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_6fd8a7ea-44ea-4660-9a7e-c774c51b2454/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-vmxnet3-vmxnet3.cil.i[507582,507595] [2021-12-07 01:14:30,954 WARN L230 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_6fd8a7ea-44ea-4660-9a7e-c774c51b2454/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-vmxnet3-vmxnet3.cil.i[507721,507734] [2021-12-07 01:14:30,954 WARN L230 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_6fd8a7ea-44ea-4660-9a7e-c774c51b2454/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-vmxnet3-vmxnet3.cil.i[507879,507892] [2021-12-07 01:14:30,961 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:14:31,154 INFO L208 MainTranslator]: Completed translation [2021-12-07 01:14:31,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:31 WrapperNode [2021-12-07 01:14:31,155 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 01:14:31,156 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 01:14:31,156 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 01:14:31,156 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 01:14:31,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:31" (1/1) ... [2021-12-07 01:14:31,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:31" (1/1) ... [2021-12-07 01:14:31,398 INFO L137 Inliner]: procedures = 560, calls = 3962, calls flagged for inlining = 328, calls inlined = 280, statements flattened = 8591 [2021-12-07 01:14:31,399 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 01:14:31,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 01:14:31,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 01:14:31,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 01:14:31,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:31" (1/1) ... [2021-12-07 01:14:31,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:31" (1/1) ... [2021-12-07 01:14:31,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:31" (1/1) ... [2021-12-07 01:14:31,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:31" (1/1) ... [2021-12-07 01:14:31,525 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:31" (1/1) ... [2021-12-07 01:14:31,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:31" (1/1) ... [2021-12-07 01:14:31,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:31" (1/1) ... [2021-12-07 01:14:31,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 01:14:31,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 01:14:31,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 01:14:31,654 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 01:14:31,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:31" (1/1) ... [2021-12-07 01:14:31,671 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:14:31,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd8a7ea-44ea-4660-9a7e-c774c51b2454/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:14:31,692 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd8a7ea-44ea-4660-9a7e-c774c51b2454/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 01:14:31,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd8a7ea-44ea-4660-9a7e-c774c51b2454/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 01:14:31,727 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_stop [2021-12-07 01:14:31,727 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_stop [2021-12-07 01:14:31,727 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_desc_avail [2021-12-07 01:14:31,727 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_desc_avail [2021-12-07 01:14:31,727 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_reset_dev [2021-12-07 01:14:31,727 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_reset_dev [2021-12-07 01:14:31,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-07 01:14:31,728 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-07 01:14:31,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-12-07 01:14:31,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-12-07 01:14:31,728 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-07 01:14:31,728 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-07 01:14:31,728 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_resume [2021-12-07 01:14:31,729 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_resume [2021-12-07 01:14:31,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-07 01:14:31,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-07 01:14:31,729 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-07 01:14:31,729 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-07 01:14:31,729 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-12-07 01:14:31,729 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-12-07 01:14:31,730 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-07 01:14:31,730 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-07 01:14:31,730 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-07 01:14:31,730 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-07 01:14:31,730 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-07 01:14:31,730 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-07 01:14:31,731 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_alloc_rx_buf [2021-12-07 01:14:31,731 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_alloc_rx_buf [2021-12-07 01:14:31,731 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-12-07 01:14:31,731 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-12-07 01:14:31,731 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-12-07 01:14:31,731 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-12-07 01:14:31,731 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_get_sset_count [2021-12-07 01:14:31,731 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_get_sset_count [2021-12-07 01:14:31,732 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-07 01:14:31,732 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-07 01:14:31,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-07 01:14:31,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-07 01:14:31,732 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-07 01:14:31,732 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-07 01:14:31,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-07 01:14:31,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-07 01:14:31,733 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-07 01:14:31,733 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-07 01:14:31,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 01:14:31,733 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-07 01:14:31,733 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-07 01:14:31,733 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_restore_vlan [2021-12-07 01:14:31,733 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_restore_vlan [2021-12-07 01:14:31,733 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_comp_ring_adv_next2proc [2021-12-07 01:14:31,734 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_comp_ring_adv_next2proc [2021-12-07 01:14:31,734 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-07 01:14:31,734 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-07 01:14:31,734 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2021-12-07 01:14:31,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2021-12-07 01:14:31,734 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-07 01:14:31,734 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-07 01:14:31,735 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-12-07 01:14:31,735 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-12-07 01:14:31,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-07 01:14:31,735 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-07 01:14:31,735 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-07 01:14:31,735 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-07 01:14:31,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-07 01:14:31,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-07 01:14:31,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-07 01:14:31,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-07 01:14:31,736 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_destroy [2021-12-07 01:14:31,736 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_destroy [2021-12-07 01:14:31,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 01:14:31,736 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_unmap_tx_buf [2021-12-07 01:14:31,736 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_unmap_tx_buf [2021-12-07 01:14:31,736 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-07 01:14:31,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-07 01:14:31,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-07 01:14:31,737 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-07 01:14:31,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-07 01:14:31,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-07 01:14:31,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-07 01:14:31,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-07 01:14:31,737 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-12-07 01:14:31,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-12-07 01:14:31,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-07 01:14:31,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-07 01:14:31,738 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-07 01:14:31,738 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-07 01:14:31,738 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-07 01:14:31,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-07 01:14:31,738 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_destroy [2021-12-07 01:14:31,739 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_destroy [2021-12-07 01:14:31,739 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-07 01:14:31,739 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-07 01:14:31,739 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_request_irqs [2021-12-07 01:14:31,739 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_request_irqs [2021-12-07 01:14:31,739 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_create [2021-12-07 01:14:31,739 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_create [2021-12-07 01:14:31,739 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-07 01:14:31,740 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-07 01:14:31,740 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_enable_intr [2021-12-07 01:14:31,740 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_enable_intr [2021-12-07 01:14:31,740 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_remove_device [2021-12-07 01:14:31,740 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_remove_device [2021-12-07 01:14:31,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-07 01:14:31,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-07 01:14:31,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-07 01:14:31,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-07 01:14:31,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-07 01:14:31,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-07 01:14:31,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-07 01:14:31,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-07 01:14:31,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-07 01:14:31,741 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-07 01:14:31,742 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-07 01:14:31,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 01:14:31,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-07 01:14:31,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-07 01:14:31,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-07 01:14:31,742 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-07 01:14:31,742 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-07 01:14:31,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-07 01:14:31,743 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-07 01:14:31,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-07 01:14:31,743 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_irqs [2021-12-07 01:14:31,743 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_irqs [2021-12-07 01:14:31,743 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_set_mc [2021-12-07 01:14:31,743 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_set_mc [2021-12-07 01:14:31,743 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-07 01:14:31,744 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-07 01:14:31,744 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-07 01:14:31,744 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-07 01:14:31,744 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-07 01:14:31,744 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-07 01:14:31,744 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_check_link [2021-12-07 01:14:31,744 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_check_link [2021-12-07 01:14:31,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-07 01:14:31,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-07 01:14:31,745 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-12-07 01:14:31,745 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-12-07 01:14:31,745 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_adv_next2fill [2021-12-07 01:14:31,745 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_adv_next2fill [2021-12-07 01:14:31,745 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-07 01:14:31,745 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-07 01:14:31,745 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-07 01:14:31,745 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-07 01:14:31,745 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_intr_resources [2021-12-07 01:14:31,746 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_intr_resources [2021-12-07 01:14:31,746 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_destroy_all [2021-12-07 01:14:31,746 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_destroy_all [2021-12-07 01:14:31,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 01:14:31,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 01:14:31,746 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-07 01:14:31,746 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-07 01:14:31,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-07 01:14:31,747 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_adjust_rx_ring_size [2021-12-07 01:14:31,747 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_adjust_rx_ring_size [2021-12-07 01:14:31,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-07 01:14:31,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-07 01:14:31,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-07 01:14:31,747 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-07 01:14:31,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-07 01:14:31,747 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-07 01:14:31,748 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-07 01:14:31,748 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-07 01:14:31,748 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-07 01:14:31,748 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-07 01:14:31,748 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-07 01:14:31,748 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-07 01:14:31,748 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-07 01:14:31,748 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-07 01:14:31,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-07 01:14:31,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-07 01:14:31,749 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_quiesce_dev [2021-12-07 01:14:31,749 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_quiesce_dev [2021-12-07 01:14:31,749 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_adv_next2comp [2021-12-07 01:14:31,749 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_adv_next2comp [2021-12-07 01:14:31,749 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-07 01:14:31,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-07 01:14:31,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-07 01:14:31,749 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-07 01:14:31,750 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_cleanup_all [2021-12-07 01:14:31,750 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_cleanup_all [2021-12-07 01:14:31,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-07 01:14:31,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-07 01:14:31,750 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-07 01:14:31,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-07 01:14:31,750 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-07 01:14:31,750 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-07 01:14:31,751 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-07 01:14:31,751 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-07 01:14:31,751 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-07 01:14:31,751 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-07 01:14:31,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 01:14:31,751 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-07 01:14:31,751 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-07 01:14:31,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2021-12-07 01:14:31,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2021-12-07 01:14:31,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-07 01:14:31,752 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-12-07 01:14:31,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-12-07 01:14:31,752 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-07 01:14:31,752 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-07 01:14:31,752 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_disable_intr [2021-12-07 01:14:31,752 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_disable_intr [2021-12-07 01:14:31,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-07 01:14:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-07 01:14:31,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-07 01:14:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-07 01:14:31,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-07 01:14:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_process_events [2021-12-07 01:14:31,753 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_process_events [2021-12-07 01:14:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-07 01:14:31,753 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-07 01:14:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-07 01:14:31,754 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-07 01:14:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-07 01:14:31,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-07 01:14:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-07 01:14:31,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-07 01:14:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-07 01:14:31,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-07 01:14:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_intr [2021-12-07 01:14:31,754 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_intr [2021-12-07 01:14:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_destroy_all [2021-12-07 01:14:31,755 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_destroy_all [2021-12-07 01:14:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-07 01:14:31,755 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-07 01:14:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2021-12-07 01:14:31,755 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2021-12-07 01:14:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-07 01:14:31,755 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-07 01:14:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-07 01:14:31,756 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-07 01:14:31,756 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2021-12-07 01:14:31,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2021-12-07 01:14:31,756 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_pci_resources [2021-12-07 01:14:31,756 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_pci_resources [2021-12-07 01:14:31,756 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-07 01:14:31,756 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-07 01:14:31,756 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_disable_all_intrs [2021-12-07 01:14:31,757 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_disable_all_intrs [2021-12-07 01:14:31,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 01:14:31,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_6 [2021-12-07 01:14:31,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_6 [2021-12-07 01:14:31,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-07 01:14:31,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-07 01:14:31,757 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_tx_complete [2021-12-07 01:14:31,757 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_tx_complete [2021-12-07 01:14:31,757 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-07 01:14:31,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-07 01:14:31,758 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-07 01:14:31,758 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-07 01:14:31,758 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-07 01:14:31,758 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-07 01:14:31,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vmxnet3_exit_module_19_2 [2021-12-07 01:14:31,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vmxnet3_exit_module_19_2 [2021-12-07 01:14:31,758 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_enable_all_intrs [2021-12-07 01:14:31,759 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_enable_all_intrs [2021-12-07 01:14:31,759 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-07 01:14:31,759 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-07 01:14:31,759 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_create_queues [2021-12-07 01:14:31,759 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_create_queues [2021-12-07 01:14:31,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2021-12-07 01:14:31,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2021-12-07 01:14:31,759 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_force_close [2021-12-07 01:14:31,759 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_force_close [2021-12-07 01:14:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-07 01:14:31,760 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-07 01:14:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_alloc_intr_resources [2021-12-07 01:14:31,760 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_alloc_intr_resources [2021-12-07 01:14:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_activate_dev [2021-12-07 01:14:31,760 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_activate_dev [2021-12-07 01:14:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_write_mac_addr [2021-12-07 01:14:31,760 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_write_mac_addr [2021-12-07 01:14:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-07 01:14:31,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-07 01:14:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-07 01:14:31,761 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-07 01:14:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-07 01:14:31,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-07 01:14:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_msix_rx [2021-12-07 01:14:31,761 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_msix_rx [2021-12-07 01:14:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-07 01:14:31,762 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-07 01:14:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-07 01:14:31,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-07 01:14:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-07 01:14:31,762 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-07 01:14:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-07 01:14:31,762 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-07 01:14:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-07 01:14:31,762 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-07 01:14:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 01:14:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_get_regs_len [2021-12-07 01:14:31,763 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_get_regs_len [2021-12-07 01:14:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-12-07 01:14:31,763 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-12-07 01:14:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-07 01:14:31,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-07 01:14:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_suspend [2021-12-07 01:14:31,763 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_suspend [2021-12-07 01:14:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-12-07 01:14:31,764 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-12-07 01:14:32,430 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 01:14:32,434 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 01:14:32,606 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-07 01:28:08,000 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-07 01:28:08,067 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 01:28:08,094 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 01:28:08,094 INFO L301 CfgBuilder]: Removed 7 assume(true) statements. [2021-12-07 01:28:08,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:28:08 BoogieIcfgContainer [2021-12-07 01:28:08,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 01:28:08,100 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 01:28:08,101 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 01:28:08,103 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 01:28:08,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:14:27" (1/3) ... [2021-12-07 01:28:08,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@779f9403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:28:08, skipping insertion in model container [2021-12-07 01:28:08,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:14:31" (2/3) ... [2021-12-07 01:28:08,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@779f9403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:28:08, skipping insertion in model container [2021-12-07 01:28:08,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:28:08" (3/3) ... [2021-12-07 01:28:08,105 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-vmxnet3-vmxnet3.cil.i [2021-12-07 01:28:08,109 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 01:28:08,109 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-07 01:28:08,155 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 01:28:08,161 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 01:28:08,161 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-07 01:28:08,220 INFO L276 IsEmpty]: Start isEmpty. Operand has 2880 states, 2072 states have (on average 1.291988416988417) internal successors, (2677), 2108 states have internal predecessors, (2677), 665 states have call successors, (665), 142 states have call predecessors, (665), 141 states have return successors, (654), 648 states have call predecessors, (654), 654 states have call successors, (654) [2021-12-07 01:28:08,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-12-07 01:28:08,237 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:28:08,237 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:28:08,238 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:28:08,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:28:08,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1409988455, now seen corresponding path program 1 times [2021-12-07 01:28:08,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:28:08,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670348082] [2021-12-07 01:28:08,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:28:08,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:28:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:28:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:28:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:28:09,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:28:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:09,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:28:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 01:28:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 01:28:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 01:28:09,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 01:28:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 01:28:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 01:28:09,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:09,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 01:28:09,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 01:28:09,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:28:09,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:09,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 01:28:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 01:28:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-07 01:28:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-07 01:28:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-07 01:28:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-07 01:28:09,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:09,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:10,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-07 01:28:10,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:10,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:10,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 01:28:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:10,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:10,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-07 01:28:10,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:10,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-07 01:28:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:10,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2021-12-07 01:28:10,056 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:28:10,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670348082] [2021-12-07 01:28:10,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670348082] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:28:10,057 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:28:10,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 01:28:10,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800731032] [2021-12-07 01:28:10,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:28:10,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 01:28:10,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:28:10,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 01:28:10,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 01:28:10,091 INFO L87 Difference]: Start difference. First operand has 2880 states, 2072 states have (on average 1.291988416988417) internal successors, (2677), 2108 states have internal predecessors, (2677), 665 states have call successors, (665), 142 states have call predecessors, (665), 141 states have return successors, (654), 648 states have call predecessors, (654), 654 states have call successors, (654) Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-07 01:28:12,264 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:28:14,654 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:28:18,396 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:28:25,172 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:28:34,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:28:34,178 INFO L93 Difference]: Finished difference Result 8540 states and 12143 transitions. [2021-12-07 01:28:34,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 01:28:34,181 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 269 [2021-12-07 01:28:34,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:28:34,232 INFO L225 Difference]: With dead ends: 8540 [2021-12-07 01:28:34,232 INFO L226 Difference]: Without dead ends: 5689 [2021-12-07 01:28:34,257 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:28:34,259 INFO L933 BasicCegarLoop]: 3968 mSDtfsCounter, 5461 mSDsluCounter, 3846 mSDsCounter, 0 mSdLazyCounter, 2739 mSolverCounterSat, 2187 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6060 SdHoareTripleChecker+Valid, 7814 SdHoareTripleChecker+Invalid, 4930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2187 IncrementalHoareTripleChecker+Valid, 2739 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.5s IncrementalHoareTripleChecker+Time [2021-12-07 01:28:34,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6060 Valid, 7814 Invalid, 4930 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2187 Valid, 2739 Invalid, 4 Unknown, 0 Unchecked, 23.5s Time] [2021-12-07 01:28:34,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5689 states. [2021-12-07 01:28:34,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5689 to 5523. [2021-12-07 01:28:34,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5523 states, 3976 states have (on average 1.2625754527162978) internal successors, (5020), 4043 states have internal predecessors, (5020), 1266 states have call successors, (1266), 280 states have call predecessors, (1266), 279 states have return successors, (1263), 1251 states have call predecessors, (1263), 1263 states have call successors, (1263) [2021-12-07 01:28:34,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5523 states to 5523 states and 7549 transitions. [2021-12-07 01:28:34,564 INFO L78 Accepts]: Start accepts. Automaton has 5523 states and 7549 transitions. Word has length 269 [2021-12-07 01:28:34,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:28:34,566 INFO L470 AbstractCegarLoop]: Abstraction has 5523 states and 7549 transitions. [2021-12-07 01:28:34,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-07 01:28:34,566 INFO L276 IsEmpty]: Start isEmpty. Operand 5523 states and 7549 transitions. [2021-12-07 01:28:34,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-12-07 01:28:34,578 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:28:34,579 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 22, 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] [2021-12-07 01:28:34,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 01:28:34,579 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:28:34,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:28:34,579 INFO L85 PathProgramCache]: Analyzing trace with hash -2077412953, now seen corresponding path program 1 times [2021-12-07 01:28:34,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:28:34,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307383363] [2021-12-07 01:28:34,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:28:34,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:28:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:28:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:28:35,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:28:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:35,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:28:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:35,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:28:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 01:28:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 01:28:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:35,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 01:28:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 01:28:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:35,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 01:28:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 01:28:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 01:28:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 01:28:35,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:35,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:28:35,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:35,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 01:28:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 01:28:35,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-07 01:28:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-07 01:28:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:35,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-07 01:28:35,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:35,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-07 01:28:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-07 01:28:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 01:28:35,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:35,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-07 01:28:35,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-07 01:28:35,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:28:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:28:35,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 01:28:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-07 01:28:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:28:35,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2149 trivial. 0 not checked. [2021-12-07 01:28:35,991 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:28:35,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307383363] [2021-12-07 01:28:35,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307383363] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:28:35,991 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:28:35,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 01:28:35,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176790646] [2021-12-07 01:28:35,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:28:35,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 01:28:35,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:28:35,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 01:28:35,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 01:28:35,995 INFO L87 Difference]: Start difference. First operand 5523 states and 7549 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-12-07 01:28:38,136 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:28:40,526 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:28:44,062 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:28:58,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:28:58,578 INFO L93 Difference]: Finished difference Result 13893 states and 19081 transitions. [2021-12-07 01:28:58,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 01:28:58,579 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 306 [2021-12-07 01:28:58,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:28:58,625 INFO L225 Difference]: With dead ends: 13893 [2021-12-07 01:28:58,625 INFO L226 Difference]: Without dead ends: 8419 [2021-12-07 01:28:58,641 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:28:58,643 INFO L933 BasicCegarLoop]: 3932 mSDtfsCounter, 5367 mSDsluCounter, 3829 mSDsCounter, 0 mSdLazyCounter, 2749 mSolverCounterSat, 2167 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5960 SdHoareTripleChecker+Valid, 7761 SdHoareTripleChecker+Invalid, 4919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2167 IncrementalHoareTripleChecker+Valid, 2749 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:28:58,643 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5960 Valid, 7761 Invalid, 4919 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2167 Valid, 2749 Invalid, 3 Unknown, 0 Unchecked, 22.1s Time] [2021-12-07 01:28:58,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8419 states.