./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ee019c-0e64-4355-b133-d212c3f52b33/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ee019c-0e64-4355-b133-d212c3f52b33/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ee019c-0e64-4355-b133-d212c3f52b33/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ee019c-0e64-4355-b133-d212c3f52b33/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ee019c-0e64-4355-b133-d212c3f52b33/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ee019c-0e64-4355-b133-d212c3f52b33/bin/uautomizer-TMbwUNV5ro --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 29a7e817473ff71ca0ce15ee79b62174fdfc2ea425c0e0501fe9f23359e3d7bd --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:41:30,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:41:30,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:41:30,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:41:30,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:41:30,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:41:30,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:41:30,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:41:30,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:41:30,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:41:30,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:41:30,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:41:30,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:41:30,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:41:30,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:41:30,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:41:30,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:41:30,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:41:30,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:41:30,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:41:30,875 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:41:30,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:41:30,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:41:30,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:41:30,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:41:30,901 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:41:30,901 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:41:30,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:41:30,903 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:41:30,904 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:41:30,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:41:30,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:41:30,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:41:30,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:41:30,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:41:30,914 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:41:30,915 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:41:30,916 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:41:30,916 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:41:30,917 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:41:30,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:41:30,919 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ee019c-0e64-4355-b133-d212c3f52b33/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 20:41:30,968 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:41:30,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:41:30,973 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:41:30,973 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:41:30,975 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:41:30,975 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:41:30,976 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:41:30,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:41:30,977 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:41:30,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:41:30,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:41:30,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:41:30,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:41:30,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:41:30,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:41:30,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:41:30,980 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:41:30,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:41:30,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:41:30,981 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:41:30,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:41:30,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:41:30,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:41:30,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:41:30,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:41:30,983 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:41:30,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:41:30,985 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:41:30,985 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:41:30,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:41:30,986 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_04ee019c-0e64-4355-b133-d212c3f52b33/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ee019c-0e64-4355-b133-d212c3f52b33/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29a7e817473ff71ca0ce15ee79b62174fdfc2ea425c0e0501fe9f23359e3d7bd [2022-11-18 20:41:31,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:41:31,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:41:31,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:41:31,397 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:41:31,399 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:41:31,401 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ee019c-0e64-4355-b133-d212c3f52b33/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i [2022-11-18 20:41:31,496 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ee019c-0e64-4355-b133-d212c3f52b33/bin/uautomizer-TMbwUNV5ro/data/75e195f44/5fc40545997347fe9048d9b377c50466/FLAG438e93e41 [2022-11-18 20:41:33,040 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:41:33,040 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ee019c-0e64-4355-b133-d212c3f52b33/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i [2022-11-18 20:41:33,130 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ee019c-0e64-4355-b133-d212c3f52b33/bin/uautomizer-TMbwUNV5ro/data/75e195f44/5fc40545997347fe9048d9b377c50466/FLAG438e93e41 [2022-11-18 20:41:33,433 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ee019c-0e64-4355-b133-d212c3f52b33/bin/uautomizer-TMbwUNV5ro/data/75e195f44/5fc40545997347fe9048d9b377c50466 [2022-11-18 20:41:33,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:41:33,437 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:41:33,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:41:33,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:41:33,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:41:33,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:41:33" (1/1) ... [2022-11-18 20:41:33,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bee677e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:41:33, skipping insertion in model container [2022-11-18 20:41:33,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:41:33" (1/1) ... [2022-11-18 20:41:33,454 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:41:33,724 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:41:41,815 WARN L234 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_04ee019c-0e64-4355-b133-d212c3f52b33/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i[660503,660516] [2022-11-18 20:41:41,822 WARN L234 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_04ee019c-0e64-4355-b133-d212c3f52b33/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i[660650,660663] [2022-11-18 20:41:41,823 WARN L234 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_04ee019c-0e64-4355-b133-d212c3f52b33/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i[660789,660802] [2022-11-18 20:41:41,824 WARN L234 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_04ee019c-0e64-4355-b133-d212c3f52b33/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i[660947,660960] [2022-11-18 20:41:41,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:41:42,017 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:41:43,040 WARN L234 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_04ee019c-0e64-4355-b133-d212c3f52b33/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i[660503,660516] [2022-11-18 20:41:43,042 WARN L234 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_04ee019c-0e64-4355-b133-d212c3f52b33/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i[660650,660663] [2022-11-18 20:41:43,043 WARN L234 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_04ee019c-0e64-4355-b133-d212c3f52b33/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i[660789,660802] [2022-11-18 20:41:43,043 WARN L234 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_04ee019c-0e64-4355-b133-d212c3f52b33/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i[660947,660960] [2022-11-18 20:41:43,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:41:43,637 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:41:43,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:41:43 WrapperNode [2022-11-18 20:41:43,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:41:43,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:41:43,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:41:43,640 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:41:43,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:41:43" (1/1) ... [2022-11-18 20:41:43,884 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:41:43" (1/1) ... [2022-11-18 20:41:44,515 INFO L138 Inliner]: procedures = 726, calls = 8482, calls flagged for inlining = 400, calls inlined = 359, statements flattened = 17384 [2022-11-18 20:41:44,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:41:44,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:41:44,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:41:44,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:41:44,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:41:43" (1/1) ... [2022-11-18 20:41:44,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:41:43" (1/1) ... [2022-11-18 20:41:44,692 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:41:43" (1/1) ... [2022-11-18 20:41:44,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:41:43" (1/1) ... [2022-11-18 20:41:45,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:41:43" (1/1) ... [2022-11-18 20:41:45,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:41:43" (1/1) ... [2022-11-18 20:41:45,466 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:41:43" (1/1) ... [2022-11-18 20:41:45,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:41:43" (1/1) ... [2022-11-18 20:41:45,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:41:45,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:41:45,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:41:45,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:41:45,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:41:43" (1/1) ... [2022-11-18 20:41:45,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:41:45,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ee019c-0e64-4355-b133-d212c3f52b33/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:45,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ee019c-0e64-4355-b133-d212c3f52b33/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:41:45,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ee019c-0e64-4355-b133-d212c3f52b33/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:41:45,976 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-18 20:41:45,976 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-18 20:41:45,977 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resolve_flow_ctrl [2022-11-18 20:41:45,977 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resolve_flow_ctrl [2022-11-18 20:41:45,977 INFO L130 BoogieDeclarations]: Found specification of procedure load_rv2p_fw [2022-11-18 20:41:45,977 INFO L138 BoogieDeclarations]: Found implementation of procedure load_rv2p_fw [2022-11-18 20:41:45,977 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_bmsr1 [2022-11-18 20:41:45,978 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_bmsr1 [2022-11-18 20:41:45,978 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-18 20:41:45,978 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-18 20:41:45,978 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-11-18 20:41:45,978 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-11-18 20:41:45,978 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int [2022-11-18 20:41:45,979 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int [2022-11-18 20:41:45,979 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-18 20:41:45,979 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-18 20:41:45,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-18 20:41:45,979 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-18 20:41:45,980 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-18 20:41:45,980 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-18 20:41:45,980 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rxbd_rings [2022-11-18 20:41:45,980 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rxbd_rings [2022-11-18 20:41:45,980 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read_dword [2022-11-18 20:41:45,981 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read_dword [2022-11-18 20:41:45,981 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-18 20:41:45,981 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-18 20:41:45,981 INFO L130 BoogieDeclarations]: Found specification of procedure get_l2_fhdr [2022-11-18 20:41:45,981 INFO L138 BoogieDeclarations]: Found implementation of procedure get_l2_fhdr [2022-11-18 20:41:45,981 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_stop [2022-11-18 20:41:45,982 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_stop [2022-11-18 20:41:45,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 20:41:45,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 20:41:45,982 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_start [2022-11-18 20:41:45,982 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_start [2022-11-18 20:41:45,983 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_int_mode [2022-11-18 20:41:45,983 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_int_mode [2022-11-18 20:41:45,983 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-18 20:41:45,983 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-18 20:41:45,983 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_bmsr1 [2022-11-18 20:41:45,984 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_bmsr1 [2022-11-18 20:41:45,984 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_forced_2g5 [2022-11-18 20:41:45,984 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_forced_2g5 [2022-11-18 20:41:45,984 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-18 20:41:45,984 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-18 20:41:45,985 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_xceiver_str [2022-11-18 20:41:45,985 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_xceiver_str [2022-11-18 20:41:45,985 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rx_context [2022-11-18 20:41:45,985 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rx_context [2022-11-18 20:41:45,985 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-18 20:41:45,986 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-18 20:41:45,986 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-18 20:41:45,986 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-18 20:41:45,986 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-18 20:41:45,986 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-18 20:41:45,986 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resume [2022-11-18 20:41:45,987 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resume [2022-11-18 20:41:45,987 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2022-11-18 20:41:45,987 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2022-11-18 20:41:45,987 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_ctx_wr [2022-11-18 20:41:45,987 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_ctx_wr [2022-11-18 20:41:45,988 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-18 20:41:45,988 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-18 20:41:45,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_bnx2_pci_driver_exit_16_2 [2022-11-18 20:41:45,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_bnx2_pci_driver_exit_16_2 [2022-11-18 20:41:45,988 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 20:41:45,989 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 20:41:45,989 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_remote_phy [2022-11-18 20:41:45,989 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_remote_phy [2022-11-18 20:41:45,989 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_data [2022-11-18 20:41:45,989 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_data [2022-11-18 20:41:45,990 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_phy [2022-11-18 20:41:45,990 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_phy [2022-11-18 20:41:45,990 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2022-11-18 20:41:45,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2022-11-18 20:41:45,990 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-18 20:41:45,990 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-18 20:41:45,991 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-18 20:41:45,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-18 20:41:45,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-18 20:41:45,991 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-18 20:41:45,991 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-18 20:41:45,991 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-18 20:41:45,992 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-18 20:41:45,992 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-18 20:41:45,992 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-18 20:41:45,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-18 20:41:45,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-18 20:41:45,993 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-18 20:41:45,993 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-18 20:41:45,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:41:45,993 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_napi [2022-11-18 20:41:45,993 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_napi [2022-11-18 20:41:45,993 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_read_phy [2022-11-18 20:41:45,994 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_read_phy [2022-11-18 20:41:45,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-18 20:41:45,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-18 20:41:45,995 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-18 20:41:45,995 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-18 20:41:45,995 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_request_irq [2022-11-18 20:41:45,995 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_request_irq [2022-11-18 20:41:45,995 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-18 20:41:45,995 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-18 20:41:45,996 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_wr_ind [2022-11-18 20:41:45,996 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_wr_ind [2022-11-18 20:41:45,996 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-18 20:41:45,996 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-18 20:41:45,996 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-18 20:41:45,996 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-18 20:41:45,997 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 20:41:45,997 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 20:41:45,997 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-18 20:41:45,997 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-18 20:41:45,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 20:41:45,998 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-18 20:41:45,998 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-18 20:41:45,998 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2022-11-18 20:41:45,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2022-11-18 20:41:45,998 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_mode [2022-11-18 20:41:45,999 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_mode [2022-11-18 20:41:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_intr [2022-11-18 20:41:45,999 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_intr [2022-11-18 20:41:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-18 20:41:45,999 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-18 20:41:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nic [2022-11-18 20:41:46,000 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nic [2022-11-18 20:41:46,000 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-18 20:41:46,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-18 20:41:46,000 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_wol [2022-11-18 20:41:46,000 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_wol [2022-11-18 20:41:46,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 20:41:46,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-18 20:41:46,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-18 20:41:46,001 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_addr [2022-11-18 20:41:46,001 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_addr [2022-11-18 20:41:46,002 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_nic [2022-11-18 20:41:46,002 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_nic [2022-11-18 20:41:46,002 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2022-11-18 20:41:46,002 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2022-11-18 20:41:46,002 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_msi [2022-11-18 20:41:46,002 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_msi [2022-11-18 20:41:46,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:41:46,003 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-18 20:41:46,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-18 20:41:46,003 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-11-18 20:41:46,003 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-11-18 20:41:46,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 20:41:46,004 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 20:41:46,004 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_skbs [2022-11-18 20:41:46,004 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_skbs [2022-11-18 20:41:46,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-18 20:41:46,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-18 20:41:46,004 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_channels [2022-11-18 20:41:46,005 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_channels [2022-11-18 20:41:46,005 INFO L130 BoogieDeclarations]: Found specification of procedure __bnx2_free_irq [2022-11-18 20:41:46,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __bnx2_free_irq [2022-11-18 20:41:46,005 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_and_enable_2g5 [2022-11-18 20:41:46,005 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_and_enable_2g5 [2022-11-18 20:41:46,005 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-18 20:41:46,006 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-18 20:41:46,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-18 20:41:46,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-18 20:41:46,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-18 20:41:46,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-18 20:41:46,006 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-18 20:41:46,007 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-18 20:41:46,007 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_msix_tbl [2022-11-18 20:41:46,007 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_msix_tbl [2022-11-18 20:41:46,007 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int_sync [2022-11-18 20:41:46,007 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int_sync [2022-11-18 20:41:46,007 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-18 20:41:46,008 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-18 20:41:46,008 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_open [2022-11-18 20:41:46,008 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_open [2022-11-18 20:41:46,008 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_chip [2022-11-18 20:41:46,008 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_chip [2022-11-18 20:41:46,009 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_del_napi [2022-11-18 20:41:46,009 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_del_napi [2022-11-18 20:41:46,009 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-18 20:41:46,009 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-18 20:41:46,009 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_settings [2022-11-18 20:41:46,009 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_settings [2022-11-18 20:41:46,010 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-18 20:41:46,010 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-18 20:41:46,010 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2022-11-18 20:41:46,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2022-11-18 20:41:46,010 INFO L130 BoogieDeclarations]: Found specification of procedure check_mips_fw_entry [2022-11-18 20:41:46,010 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mips_fw_entry [2022-11-18 20:41:46,011 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_start [2022-11-18 20:41:46,011 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_start [2022-11-18 20:41:46,011 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_rd [2022-11-18 20:41:46,011 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_rd [2022-11-18 20:41:46,011 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_link [2022-11-18 20:41:46,011 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_link [2022-11-18 20:41:46,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:41:46,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-18 20:41:46,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-18 20:41:46,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-18 20:41:46,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-18 20:41:46,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-18 20:41:46,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-18 20:41:46,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-18 20:41:46,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-18 20:41:46,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-18 20:41:46,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-18 20:41:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-18 20:41:46,014 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-18 20:41:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_enable [2022-11-18 20:41:46,014 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_enable [2022-11-18 20:41:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:41:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-18 20:41:46,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-18 20:41:46,015 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-18 20:41:46,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-18 20:41:46,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 20:41:46,015 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-18 20:41:46,016 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-18 20:41:46,016 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-18 20:41:46,016 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_wol [2022-11-18 20:41:46,016 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_wol [2022-11-18 20:41:46,016 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 20:41:46,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 20:41:46,017 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_pauseparam [2022-11-18 20:41:46,017 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_pauseparam [2022-11-18 20:41:46,017 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-18 20:41:46,017 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-18 20:41:46,017 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-18 20:41:46,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-18 20:41:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_timeout [2022-11-18 20:41:46,018 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_timeout [2022-11-18 20:41:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_one [2022-11-18 20:41:46,018 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_one [2022-11-18 20:41:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-18 20:41:46,018 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-18 20:41:46,019 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-18 20:41:46,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-18 20:41:46,019 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_find_info_keyword [2022-11-18 20:41:46,019 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_find_info_keyword [2022-11-18 20:41:46,019 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2022-11-18 20:41:46,019 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2022-11-18 20:41:46,020 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_acquire_nvram_lock [2022-11-18 20:41:46,020 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_acquire_nvram_lock [2022-11-18 20:41:46,020 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remove_one [2022-11-18 20:41:46,020 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remove_one [2022-11-18 20:41:46,020 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-18 20:41:46,021 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-18 20:41:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-18 20:41:46,021 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-18 20:41:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-18 20:41:46,021 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-18 20:41:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-18 20:41:46,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-18 20:41:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2022-11-18 20:41:46,022 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2022-11-18 20:41:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-11-18 20:41:46,022 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-11-18 20:41:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-18 20:41:46,023 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-18 20:41:46,023 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_access [2022-11-18 20:41:46,023 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_access [2022-11-18 20:41:46,023 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-18 20:41:46,023 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-18 20:41:46,024 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-18 20:41:46,024 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-18 20:41:46,024 INFO L130 BoogieDeclarations]: Found specification of procedure check_fw_section [2022-11-18 20:41:46,024 INFO L138 BoogieDeclarations]: Found implementation of procedure check_fw_section [2022-11-18 20:41:46,024 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_settings [2022-11-18 20:41:46,024 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_settings [2022-11-18 20:41:46,025 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2022-11-18 20:41:46,025 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2022-11-18 20:41:46,025 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_run_loopback [2022-11-18 20:41:46,025 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_run_loopback [2022-11-18 20:41:46,025 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-18 20:41:46,025 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-18 20:41:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_disable [2022-11-18 20:41:46,026 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_disable [2022-11-18 20:41:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:41:46,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:41:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-18 20:41:46,026 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-18 20:41:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-18 20:41:46,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-18 20:41:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_write_dword [2022-11-18 20:41:46,027 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_write_dword [2022-11-18 20:41:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-18 20:41:46,027 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-18 20:41:46,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 20:41:46,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 20:41:46,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 20:41:46,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 20:41:46,028 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_link [2022-11-18 20:41:46,028 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_link [2022-11-18 20:41:46,029 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-18 20:41:46,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-18 20:41:46,029 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-18 20:41:46,029 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-18 20:41:46,029 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_int [2022-11-18 20:41:46,029 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_int [2022-11-18 20:41:46,030 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-18 20:41:46,030 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-18 20:41:46,030 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-18 20:41:46,030 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-18 20:41:46,030 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-18 20:41:46,030 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-18 20:41:46,031 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-18 20:41:46,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-18 20:41:46,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-18 20:41:46,031 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-18 20:41:46,031 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-18 20:41:46,031 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_nvram_access [2022-11-18 20:41:46,032 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_nvram_access [2022-11-18 20:41:46,032 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_mem [2022-11-18 20:41:46,032 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_mem [2022-11-18 20:41:46,032 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-18 20:41:46,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-18 20:41:46,032 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-18 20:41:46,033 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-18 20:41:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 20:41:46,033 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 20:41:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_nvram_lock [2022-11-18 20:41:46,033 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_nvram_lock [2022-11-18 20:41:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-18 20:41:46,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-18 20:41:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nway_reset [2022-11-18 20:41:46,034 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nway_reset [2022-11-18 20:41:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-11-18 20:41:46,034 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-11-18 20:41:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_work [2022-11-18 20:41:46,035 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_work [2022-11-18 20:41:46,035 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_fast_work [2022-11-18 20:41:46,035 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_fast_work [2022-11-18 20:41:46,035 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-18 20:41:46,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-18 20:41:46,035 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-18 20:41:46,036 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-18 20:41:46,036 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_avail [2022-11-18 20:41:46,036 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_avail [2022-11-18 20:41:46,036 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_link [2022-11-18 20:41:46,036 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_link [2022-11-18 20:41:46,036 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-18 20:41:46,037 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-18 20:41:46,037 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-18 20:41:46,037 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-18 20:41:46,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:41:46,037 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_report_link [2022-11-18 20:41:46,037 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_report_link [2022-11-18 20:41:46,038 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_phy [2022-11-18 20:41:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_phy [2022-11-18 20:41:46,038 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_phy [2022-11-18 20:41:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_phy [2022-11-18 20:41:46,038 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-18 20:41:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-18 20:41:46,039 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_rx_cons [2022-11-18 20:41:46,039 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_rx_cons [2022-11-18 20:41:46,039 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-18 20:41:46,039 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-18 20:41:46,039 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nvram [2022-11-18 20:41:46,039 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nvram [2022-11-18 20:41:46,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2022-11-18 20:41:46,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2022-11-18 20:41:46,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 20:41:46,040 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_ring_size [2022-11-18 20:41:46,040 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_ring_size [2022-11-18 20:41:46,040 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_power_state [2022-11-18 20:41:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_power_state [2022-11-18 20:41:46,041 INFO L130 BoogieDeclarations]: Found specification of procedure load_cpu_fw [2022-11-18 20:41:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure load_cpu_fw [2022-11-18 20:41:46,041 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-11-18 20:41:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-11-18 20:41:46,041 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_remote_link [2022-11-18 20:41:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_remote_link [2022-11-18 20:41:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_io_resume [2022-11-18 20:41:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_io_resume [2022-11-18 20:41:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_write_phy [2022-11-18 20:41:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_write_phy [2022-11-18 20:41:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 20:41:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_tx_cons [2022-11-18 20:41:46,043 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_tx_cons [2022-11-18 20:41:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_info_field_size [2022-11-18 20:41:46,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_info_field_size [2022-11-18 20:41:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-18 20:41:46,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-18 20:41:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-18 20:41:46,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-18 20:41:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_fw_sync [2022-11-18 20:41:46,044 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_fw_sync [2022-11-18 20:41:46,045 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_wr [2022-11-18 20:41:46,045 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_wr [2022-11-18 20:41:46,045 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-18 20:41:46,045 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-18 20:41:46,045 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_5706s_force_link_dn [2022-11-18 20:41:46,045 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_5706s_force_link_dn [2022-11-18 20:41:46,046 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-18 20:41:46,046 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-18 20:41:46,046 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-18 20:41:46,046 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-18 20:41:46,046 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_link [2022-11-18 20:41:46,046 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_link [2022-11-18 20:41:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-18 20:41:46,047 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-18 20:41:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_phy_get_pause_adv [2022-11-18 20:41:46,047 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_phy_get_pause_adv [2022-11-18 20:41:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-18 20:41:46,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-18 20:41:46,048 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remote_phy_event [2022-11-18 20:41:46,048 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remote_phy_event [2022-11-18 20:41:46,048 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-18 20:41:46,048 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-18 20:41:46,048 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read [2022-11-18 20:41:46,048 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read [2022-11-18 20:41:46,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-18 20:41:46,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-18 20:41:46,049 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mac_addr [2022-11-18 20:41:46,049 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mac_addr [2022-11-18 20:41:46,049 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_fw_cap [2022-11-18 20:41:46,049 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_fw_cap [2022-11-18 20:41:46,050 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_rd_ind [2022-11-18 20:41:46,050 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_rd_ind [2022-11-18 20:41:46,050 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-18 20:41:46,050 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-18 20:41:46,050 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_write [2022-11-18 20:41:46,050 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_write [2022-11-18 20:41:46,051 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-18 20:41:46,051 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-18 20:41:46,051 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-18 20:41:46,051 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-18 20:41:46,051 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-18 20:41:46,051 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-18 20:41:46,052 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-18 20:41:46,052 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-18 20:41:46,052 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-18 20:41:46,052 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-18 20:41:46,052 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_cnic_irq_info [2022-11-18 20:41:46,052 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_cnic_irq_info [2022-11-18 20:41:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-18 20:41:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-18 20:41:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown [2022-11-18 20:41:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown [2022-11-18 20:41:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_suspend [2022-11-18 20:41:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_suspend [2022-11-18 20:41:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_forced_2g5 [2022-11-18 20:41:46,054 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_forced_2g5 [2022-11-18 20:41:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 20:41:46,054 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 20:41:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_stop [2022-11-18 20:41:46,054 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_stop [2022-11-18 20:41:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:41:46,055 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_ringparam [2022-11-18 20:41:46,055 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_ringparam [2022-11-18 20:41:46,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 20:41:46,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 20:41:46,055 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_find_max_ring [2022-11-18 20:41:46,055 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_find_max_ring [2022-11-18 20:41:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_coalesce [2022-11-18 20:41:46,056 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_coalesce [2022-11-18 20:41:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_send_heart_beat [2022-11-18 20:41:46,056 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_send_heart_beat [2022-11-18 20:41:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-18 20:41:46,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-18 20:41:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_page [2022-11-18 20:41:46,057 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_page [2022-11-18 20:41:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_eeprom_len [2022-11-18 20:41:46,057 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_eeprom_len [2022-11-18 20:41:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-18 20:41:46,057 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-18 20:41:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-18 20:41:46,058 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-18 20:41:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-18 20:41:46,058 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-18 20:41:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_firmware [2022-11-18 20:41:46,058 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_firmware [2022-11-18 20:41:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-18 20:41:46,059 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-18 20:41:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-18 20:41:46,059 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-18 20:41:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown_chip [2022-11-18 20:41:46,059 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown_chip [2022-11-18 20:41:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_regs_len [2022-11-18 20:41:46,060 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_regs_len [2022-11-18 20:41:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_mem [2022-11-18 20:41:46,060 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_mem [2022-11-18 20:41:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_close [2022-11-18 20:41:46,060 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_close [2022-11-18 20:41:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-18 20:41:46,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-18 20:41:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-18 20:41:46,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-18 20:41:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_coalesce [2022-11-18 20:41:46,061 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_coalesce [2022-11-18 20:41:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-18 20:41:46,062 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-18 20:41:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-18 20:41:46,062 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-18 20:41:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-18 20:41:46,062 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-18 20:41:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-18 20:41:46,062 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-18 20:41:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-18 20:41:46,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-18 20:41:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-18 20:41:46,063 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-18 20:41:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-18 20:41:46,063 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-18 20:41:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:41:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_irq [2022-11-18 20:41:46,064 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_irq [2022-11-18 20:41:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure poll_bnx2 [2022-11-18 20:41:46,064 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_bnx2 [2022-11-18 20:41:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-18 20:41:46,065 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-18 20:41:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-18 20:41:46,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-18 20:41:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_ring_size [2022-11-18 20:41:46,065 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_ring_size [2022-11-18 20:41:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_dump_mcp_state [2022-11-18 20:41:46,066 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_dump_mcp_state [2022-11-18 20:41:48,028 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:41:48,042 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:41:48,849 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 20:44:51,944 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-18 20:44:52,310 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:44:52,355 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:44:52,356 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-18 20:44:52,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:44:52 BoogieIcfgContainer [2022-11-18 20:44:52,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:44:52,371 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:44:52,371 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:44:52,375 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:44:52,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:41:33" (1/3) ... [2022-11-18 20:44:52,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1902b0d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:44:52, skipping insertion in model container [2022-11-18 20:44:52,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:41:43" (2/3) ... [2022-11-18 20:44:52,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1902b0d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:44:52, skipping insertion in model container [2022-11-18 20:44:52,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:44:52" (3/3) ... [2022-11-18 20:44:52,389 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-broadcom-bnx2.cil.i [2022-11-18 20:44:52,419 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:44:52,419 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-18 20:44:52,632 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:44:52,643 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@38343349, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:44:52,643 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-18 20:44:52,671 INFO L276 IsEmpty]: Start isEmpty. Operand has 6329 states, 4505 states have (on average 1.360266370699223) internal successors, (6128), 4578 states have internal predecessors, (6128), 1575 states have call successors, (1575), 248 states have call predecessors, (1575), 247 states have return successors, (1566), 1556 states have call predecessors, (1566), 1566 states have call successors, (1566) [2022-11-18 20:44:52,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2022-11-18 20:44:52,724 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:44:52,725 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:44:52,726 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:44:52,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:52,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1753259285, now seen corresponding path program 1 times [2022-11-18 20:44:52,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:44:52,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884186901] [2022-11-18 20:44:52,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:52,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:44:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:54,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:44:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:54,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:44:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:54,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:44:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:54,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:44:54,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:54,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:44:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:54,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:44:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:54,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:44:54,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:54,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:44:54,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:54,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:44:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:54,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:44:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:54,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:44:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:54,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:44:54,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:54,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 20:44:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:54,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:44:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:54,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 20:44:54,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:44:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 20:44:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:44:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:44:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:44:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 20:44:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:44:55,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 20:44:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:44:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:44:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:44:55,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 20:44:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:44:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 20:44:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:44:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 20:44:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:44:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 20:44:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:44:55,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 20:44:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:44:55,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 20:44:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:44:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 20:44:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:44:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-18 20:44:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:44:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-18 20:44:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:44:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 20:44:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:44:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-18 20:44:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:44:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-18 20:44:55,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:44:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-18 20:44:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:44:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-18 20:44:55,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:44:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 20:44:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-11-18 20:44:55,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:55,600 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2022-11-18 20:44:55,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:44:55,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884186901] [2022-11-18 20:44:55,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884186901] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:44:55,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:44:55,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:44:55,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103148955] [2022-11-18 20:44:55,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:44:55,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:44:55,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:44:55,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:44:55,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:44:55,683 INFO L87 Difference]: Start difference. First operand has 6329 states, 4505 states have (on average 1.360266370699223) internal successors, (6128), 4578 states have internal predecessors, (6128), 1575 states have call successors, (1575), 248 states have call predecessors, (1575), 247 states have return successors, (1566), 1556 states have call predecessors, (1566), 1566 states have call successors, (1566) Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-18 20:45:00,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:45:41,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:45:43,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:46:03,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:46:03,644 INFO L93 Difference]: Finished difference Result 19874 states and 30296 transitions. [2022-11-18 20:46:03,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:46:03,647 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 324 [2022-11-18 20:46:03,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:46:03,827 INFO L225 Difference]: With dead ends: 19874 [2022-11-18 20:46:03,827 INFO L226 Difference]: Without dead ends: 13590 [2022-11-18 20:46:03,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:46:03,938 INFO L413 NwaCegarLoop]: 7641 mSDtfsCounter, 13345 mSDsluCounter, 9353 mSDsCounter, 0 mSdLazyCounter, 9450 mSolverCounterSat, 4981 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14840 SdHoareTripleChecker+Valid, 16994 SdHoareTripleChecker+Invalid, 14434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 4981 IncrementalHoareTripleChecker+Valid, 9450 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 66.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:46:03,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14840 Valid, 16994 Invalid, 14434 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [4981 Valid, 9450 Invalid, 3 Unknown, 0 Unchecked, 66.1s Time] [2022-11-18 20:46:03,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13590 states. [2022-11-18 20:46:04,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13590 to 12377. [2022-11-18 20:46:04,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12377 states, 8826 states have (on average 1.3357126671198731) internal successors, (11789), 8971 states have internal predecessors, (11789), 3060 states have call successors, (3060), 491 states have call predecessors, (3060), 489 states have return successors, (3057), 3036 states have call predecessors, (3057), 3057 states have call successors, (3057) [2022-11-18 20:46:05,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12377 states to 12377 states and 17906 transitions. [2022-11-18 20:46:05,126 INFO L78 Accepts]: Start accepts. Automaton has 12377 states and 17906 transitions. Word has length 324 [2022-11-18 20:46:05,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:46:05,128 INFO L495 AbstractCegarLoop]: Abstraction has 12377 states and 17906 transitions. [2022-11-18 20:46:05,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-18 20:46:05,129 INFO L276 IsEmpty]: Start isEmpty. Operand 12377 states and 17906 transitions. [2022-11-18 20:46:05,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2022-11-18 20:46:05,145 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:46:05,146 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:46:05,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:46:05,147 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:46:05,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:46:05,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1957156747, now seen corresponding path program 1 times [2022-11-18 20:46:05,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:46:05,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846745541] [2022-11-18 20:46:05,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:46:05,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:46:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:46:06,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:46:06,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:46:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:46:06,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:06,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:46:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:46:06,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 20:46:06,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 20:46:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 20:46:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:46:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 20:46:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 20:46:06,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:46:06,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 20:46:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 20:46:06,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 20:46:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:06,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 20:46:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 20:46:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 20:46:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 20:46:06,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-18 20:46:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-18 20:46:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 20:46:06,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-18 20:46:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-18 20:46:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-18 20:46:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-18 20:46:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 20:46:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-11-18 20:46:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:46:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:46:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-11-18 20:46:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:06,963 INFO L134 CoverageAnalysis]: Checked inductivity of 3244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3244 trivial. 0 not checked. [2022-11-18 20:46:06,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:46:06,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846745541] [2022-11-18 20:46:06,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846745541] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:46:06,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:46:06,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:46:06,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424727965] [2022-11-18 20:46:06,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:46:06,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:46:06,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:46:06,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:46:06,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:46:06,969 INFO L87 Difference]: Start difference. First operand 12377 states and 17906 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-18 20:46:11,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:46:49,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:46:51,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:47:02,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:47:04,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:47:19,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:47:21,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:47:21,352 INFO L93 Difference]: Finished difference Result 32547 states and 47478 transitions. [2022-11-18 20:47:21,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:47:21,353 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 358 [2022-11-18 20:47:21,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:47:21,587 INFO L225 Difference]: With dead ends: 32547 [2022-11-18 20:47:21,588 INFO L226 Difference]: Without dead ends: 20229 [2022-11-18 20:47:21,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:47:21,690 INFO L413 NwaCegarLoop]: 7622 mSDtfsCounter, 13256 mSDsluCounter, 9333 mSDsCounter, 0 mSdLazyCounter, 9448 mSolverCounterSat, 4967 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14751 SdHoareTripleChecker+Valid, 16955 SdHoareTripleChecker+Invalid, 14420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4967 IncrementalHoareTripleChecker+Valid, 9448 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72.8s IncrementalHoareTripleChecker+Time [2022-11-18 20:47:21,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14751 Valid, 16955 Invalid, 14420 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4967 Valid, 9448 Invalid, 5 Unknown, 0 Unchecked, 72.8s Time] [2022-11-18 20:47:21,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20229 states. [2022-11-18 20:47:23,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20229 to 18402. [2022-11-18 20:47:23,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18402 states, 13134 states have (on average 1.3355413430790315) internal successors, (17541), 13355 states have internal predecessors, (17541), 4532 states have call successors, (4532), 737 states have call predecessors, (4532), 734 states have return successors, (4529), 4492 states have call predecessors, (4529), 4529 states have call successors, (4529) [2022-11-18 20:47:23,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18402 states to 18402 states and 26602 transitions. [2022-11-18 20:47:23,292 INFO L78 Accepts]: Start accepts. Automaton has 18402 states and 26602 transitions. Word has length 358 [2022-11-18 20:47:23,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:47:23,294 INFO L495 AbstractCegarLoop]: Abstraction has 18402 states and 26602 transitions. [2022-11-18 20:47:23,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-18 20:47:23,295 INFO L276 IsEmpty]: Start isEmpty. Operand 18402 states and 26602 transitions. [2022-11-18 20:47:23,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2022-11-18 20:47:23,330 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:47:23,331 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 28, 28, 28, 28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:47:23,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:47:23,331 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:47:23,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:47:23,332 INFO L85 PathProgramCache]: Analyzing trace with hash -751260763, now seen corresponding path program 1 times [2022-11-18 20:47:23,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:47:23,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540258743] [2022-11-18 20:47:23,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:47:23,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:47:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:24,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:47:24,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:24,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:24,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:47:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:24,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:24,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:47:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:24,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:24,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:24,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:47:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:24,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:24,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:47:24,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:24,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:24,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:47:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:24,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:24,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 20:47:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:24,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:24,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:24,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 20:47:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:24,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:24,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 20:47:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:24,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:24,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:47:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:24,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:24,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 20:47:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:24,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:24,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:24,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 20:47:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:24,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:24,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:24,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:47:24,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:24,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:24,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 20:47:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:24,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:24,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 20:47:24,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:25,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:25,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:25,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 20:47:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:25,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:25,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:25,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 20:47:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:25,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:25,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 20:47:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:25,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:25,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 20:47:25,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:25,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:25,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 20:47:25,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:25,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:25,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-18 20:47:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:25,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:25,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-18 20:47:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:25,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:25,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 20:47:25,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:25,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:25,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-18 20:47:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:25,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:25,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-18 20:47:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:25,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:25,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-18 20:47:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:25,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:25,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-18 20:47:25,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:25,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:25,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 20:47:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:25,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-11-18 20:47:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:25,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-11-18 20:47:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:25,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-11-18 20:47:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:25,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:47:25,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:25,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:25,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:25,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 20:47:25,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:25,738 INFO L134 CoverageAnalysis]: Checked inductivity of 3573 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3573 trivial. 0 not checked. [2022-11-18 20:47:25,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:47:25,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540258743] [2022-11-18 20:47:25,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540258743] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:47:25,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:47:25,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:47:25,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307334349] [2022-11-18 20:47:25,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:47:25,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:47:25,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:47:25,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:47:25,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:47:25,742 INFO L87 Difference]: Start difference. First operand 18402 states and 26602 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-18 20:47:33,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:47:36,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:47:38,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:49:07,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:49:09,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:49:19,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:49:55,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:49:57,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:49:59,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:49:59,815 INFO L93 Difference]: Finished difference Result 53114 states and 77855 transitions. [2022-11-18 20:49:59,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:49:59,816 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 369 [2022-11-18 20:49:59,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:50:00,126 INFO L225 Difference]: With dead ends: 53114 [2022-11-18 20:50:00,127 INFO L226 Difference]: Without dead ends: 34771 [2022-11-18 20:50:00,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:50:00,230 INFO L413 NwaCegarLoop]: 7162 mSDtfsCounter, 13856 mSDsluCounter, 10251 mSDsCounter, 0 mSdLazyCounter, 16406 mSolverCounterSat, 5451 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 142.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15425 SdHoareTripleChecker+Valid, 17413 SdHoareTripleChecker+Invalid, 21864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 5451 IncrementalHoareTripleChecker+Valid, 16406 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 150.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:50:00,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15425 Valid, 17413 Invalid, 21864 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [5451 Valid, 16406 Invalid, 7 Unknown, 0 Unchecked, 150.0s Time] [2022-11-18 20:50:00,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34771 states. [2022-11-18 20:50:03,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34771 to 30114. [2022-11-18 20:50:03,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30114 states, 21538 states have (on average 1.335871482960349) internal successors, (28772), 21911 states have internal predecessors, (28772), 7365 states have call successors, (7365), 1216 states have call predecessors, (7365), 1209 states have return successors, (7362), 7291 states have call predecessors, (7362), 7362 states have call successors, (7362) [2022-11-18 20:50:03,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30114 states to 30114 states and 43499 transitions. [2022-11-18 20:50:03,646 INFO L78 Accepts]: Start accepts. Automaton has 30114 states and 43499 transitions. Word has length 369 [2022-11-18 20:50:03,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:50:03,647 INFO L495 AbstractCegarLoop]: Abstraction has 30114 states and 43499 transitions. [2022-11-18 20:50:03,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-18 20:50:03,648 INFO L276 IsEmpty]: Start isEmpty. Operand 30114 states and 43499 transitions. [2022-11-18 20:50:03,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2022-11-18 20:50:03,671 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:50:03,671 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 27, 27, 27, 27, 27, 27, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:50:03,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:50:03,672 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:50:03,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:03,673 INFO L85 PathProgramCache]: Analyzing trace with hash -46126379, now seen corresponding path program 1 times [2022-11-18 20:50:03,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:50:03,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746326426] [2022-11-18 20:50:03,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:50:03,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:50:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:04,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:50:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:04,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:04,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:04,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:50:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:04,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:04,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:50:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:04,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:04,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:04,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:50:04,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:04,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:04,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:04,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:50:04,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:04,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:04,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:50:04,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:04,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:04,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:04,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 20:50:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:04,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 20:50:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 20:50:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:50:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:05,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 20:50:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 20:50:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:50:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 20:50:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 20:50:05,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:05,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 20:50:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:05,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 20:50:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 20:50:05,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 20:50:05,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:05,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 20:50:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-18 20:50:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:05,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-18 20:50:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 20:50:05,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:05,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-18 20:50:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-18 20:50:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:05,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-18 20:50:05,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:05,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-18 20:50:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:05,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 20:50:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-11-18 20:50:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-11-18 20:50:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-18 20:50:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-11-18 20:50:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-11-18 20:50:05,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-11-18 20:50:05,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-11-18 20:50:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:05,564 INFO L134 CoverageAnalysis]: Checked inductivity of 3535 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3525 trivial. 0 not checked. [2022-11-18 20:50:05,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:50:05,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746326426] [2022-11-18 20:50:05,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746326426] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:50:05,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:50:05,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:50:05,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265085924] [2022-11-18 20:50:05,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:50:05,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:50:05,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:50:05,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:50:05,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:50:05,568 INFO L87 Difference]: Start difference. First operand 30114 states and 43499 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-18 20:50:11,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:51:07,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:51:10,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:51:18,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:51:20,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:51:37,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:51:39,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:51:39,058 INFO L93 Difference]: Finished difference Result 83673 states and 122023 transitions. [2022-11-18 20:51:39,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:51:39,059 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 380 [2022-11-18 20:51:39,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:51:39,871 INFO L225 Difference]: With dead ends: 83673 [2022-11-18 20:51:39,871 INFO L226 Difference]: Without dead ends: 59462 [2022-11-18 20:51:40,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:51:40,154 INFO L413 NwaCegarLoop]: 12800 mSDtfsCounter, 10620 mSDsluCounter, 12603 mSDsCounter, 0 mSdLazyCounter, 11592 mSolverCounterSat, 3408 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 83.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12113 SdHoareTripleChecker+Valid, 25403 SdHoareTripleChecker+Invalid, 15005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3408 IncrementalHoareTripleChecker+Valid, 11592 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 88.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:51:40,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12113 Valid, 25403 Invalid, 15005 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3408 Valid, 11592 Invalid, 5 Unknown, 0 Unchecked, 88.0s Time] [2022-11-18 20:51:40,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59462 states. [2022-11-18 20:51:44,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59462 to 54014. [2022-11-18 20:51:44,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54014 states, 38656 states have (on average 1.3365583609271523) internal successors, (51666), 39313 states have internal predecessors, (51666), 13187 states have call successors, (13187), 2180 states have call predecessors, (13187), 2169 states have return successors, (13184), 13069 states have call predecessors, (13184), 13184 states have call successors, (13184) [2022-11-18 20:51:45,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54014 states to 54014 states and 78037 transitions. [2022-11-18 20:51:45,548 INFO L78 Accepts]: Start accepts. Automaton has 54014 states and 78037 transitions. Word has length 380 [2022-11-18 20:51:45,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:51:45,549 INFO L495 AbstractCegarLoop]: Abstraction has 54014 states and 78037 transitions. [2022-11-18 20:51:45,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-18 20:51:45,550 INFO L276 IsEmpty]: Start isEmpty. Operand 54014 states and 78037 transitions. [2022-11-18 20:51:45,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2022-11-18 20:51:45,588 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:51:45,588 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 27, 27, 27, 27, 27, 27, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:51:45,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:51:45,589 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:51:45,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:51:45,590 INFO L85 PathProgramCache]: Analyzing trace with hash -180139885, now seen corresponding path program 1 times [2022-11-18 20:51:45,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:51:45,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266135575] [2022-11-18 20:51:45,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:51:45,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:51:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:47,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:51:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:47,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:51:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:47,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:51:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:47,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:51:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:47,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:51:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:47,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:51:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:47,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:51:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:47,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:51:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:47,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:51:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:47,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:51:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:47,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:51:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:47,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:51:47,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:47,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 20:51:47,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:47,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:51:47,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:47,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 20:51:47,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:47,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:51:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:47,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 20:51:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:47,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:51:47,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:47,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:51:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:47,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:51:47,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:47,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 20:51:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:47,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:51:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:47,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 20:51:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:47,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:51:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:47,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:51:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:47,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:51:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:47,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 20:51:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:47,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:51:47,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:47,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 20:51:47,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:47,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:51:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:47,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 20:51:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:48,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:51:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:48,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 20:51:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:48,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:51:48,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:48,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 20:51:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:48,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:51:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:48,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 20:51:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:48,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:51:48,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:48,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 20:51:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:48,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:51:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:48,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-18 20:51:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:48,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:51:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:48,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-18 20:51:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:48,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:51:48,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:48,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 20:51:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:48,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:51:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:48,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-18 20:51:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:48,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:51:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:48,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-18 20:51:48,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:48,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:51:48,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:48,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-18 20:51:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:48,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:51:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:48,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-18 20:51:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:48,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:51:48,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:48,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 20:51:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:48,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-11-18 20:51:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:48,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-11-18 20:51:48,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:48,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-18 20:51:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:48,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-11-18 20:51:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:48,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:51:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:48,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-11-18 20:51:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:48,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-11-18 20:51:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:48,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-11-18 20:51:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:48,602 INFO L134 CoverageAnalysis]: Checked inductivity of 3535 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3535 trivial. 0 not checked. [2022-11-18 20:51:48,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:51:48,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266135575] [2022-11-18 20:51:48,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266135575] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:51:48,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:51:48,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:51:48,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763370695] [2022-11-18 20:51:48,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:51:48,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:51:48,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:51:48,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:51:48,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:51:48,611 INFO L87 Difference]: Start difference. First operand 54014 states and 78037 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-18 20:51:54,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:52:35,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:52:38,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:52:54,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:52:55,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:52:55,319 INFO L93 Difference]: Finished difference Result 59560 states and 87159 transitions. [2022-11-18 20:52:55,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:52:55,320 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 380 [2022-11-18 20:52:55,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:52:55,814 INFO L225 Difference]: With dead ends: 59560 [2022-11-18 20:52:55,814 INFO L226 Difference]: Without dead ends: 59505 [2022-11-18 20:52:55,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:52:55,878 INFO L413 NwaCegarLoop]: 6580 mSDtfsCounter, 10442 mSDsluCounter, 9337 mSDsCounter, 0 mSdLazyCounter, 7954 mSolverCounterSat, 3611 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11403 SdHoareTripleChecker+Valid, 15917 SdHoareTripleChecker+Invalid, 11568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3611 IncrementalHoareTripleChecker+Valid, 7954 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:52:55,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11403 Valid, 15917 Invalid, 11568 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3611 Valid, 7954 Invalid, 3 Unknown, 0 Unchecked, 61.4s Time] [2022-11-18 20:52:56,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59505 states. [2022-11-18 20:53:00,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59505 to 54060. [2022-11-18 20:53:00,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54060 states, 38687 states have (on average 1.3360043425440071) internal successors, (51686), 39332 states have internal predecessors, (51686), 13197 states have call successors, (13197), 2183 states have call predecessors, (13197), 2175 states have return successors, (13197), 13093 states have call predecessors, (13197), 13197 states have call successors, (13197) [2022-11-18 20:53:01,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54060 states to 54060 states and 78080 transitions. [2022-11-18 20:53:01,307 INFO L78 Accepts]: Start accepts. Automaton has 54060 states and 78080 transitions. Word has length 380 [2022-11-18 20:53:01,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:53:01,308 INFO L495 AbstractCegarLoop]: Abstraction has 54060 states and 78080 transitions. [2022-11-18 20:53:01,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-18 20:53:01,309 INFO L276 IsEmpty]: Start isEmpty. Operand 54060 states and 78080 transitions. [2022-11-18 20:53:01,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2022-11-18 20:53:01,420 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:53:01,420 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 27, 27, 27, 27, 27, 27, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:53:01,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:53:01,421 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:53:01,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:53:01,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1921793369, now seen corresponding path program 1 times [2022-11-18 20:53:01,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:53:01,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519199114] [2022-11-18 20:53:01,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:53:01,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:53:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:02,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:53:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:02,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:53:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:02,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:53:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:02,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:53:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:02,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:53:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:02,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:53:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:02,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:53:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:02,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:53:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:02,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:53:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:02,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:53:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:02,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:53:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:02,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:53:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:02,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 20:53:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:02,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:53:02,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:02,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 20:53:02,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:02,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:53:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:02,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 20:53:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:02,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:53:02,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:02,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:53:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:02,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:53:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:02,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 20:53:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:02,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:53:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:02,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 20:53:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:02,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:53:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:02,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:53:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:02,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:53:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:02,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 20:53:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:02,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:53:02,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:02,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 20:53:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:02,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:53:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:02,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 20:53:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:02,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:53:02,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:02,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 20:53:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:02,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:53:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:02,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 20:53:02,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:03,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:53:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:03,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 20:53:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:03,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:53:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:03,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 20:53:03,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:03,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:53:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:03,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-18 20:53:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:03,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:53:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:03,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-18 20:53:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:03,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:53:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:03,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 20:53:03,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:03,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:53:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:03,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-18 20:53:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:03,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:53:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:03,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-18 20:53:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:03,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:53:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:03,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-18 20:53:03,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:03,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:53:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:03,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-18 20:53:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:03,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:53:03,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:03,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 20:53:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:03,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-11-18 20:53:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:03,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-11-18 20:53:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:03,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-18 20:53:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:03,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-11-18 20:53:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:03,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:53:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:03,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-11-18 20:53:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:03,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-11-18 20:53:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:03,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-18 20:53:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:03,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-11-18 20:53:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:03,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-11-18 20:53:03,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:03,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:53:03,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:03,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:53:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:03,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:53:03,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:03,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-11-18 20:53:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:53:03,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3669 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3654 trivial. 0 not checked. [2022-11-18 20:53:03,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:53:03,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519199114] [2022-11-18 20:53:03,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519199114] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:53:03,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:53:03,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:53:03,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322624626] [2022-11-18 20:53:03,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:53:03,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:53:03,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:53:03,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:53:03,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:53:03,421 INFO L87 Difference]: Start difference. First operand 54060 states and 78080 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-18 20:53:09,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:53:12,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:54:14,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:54:16,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:54:25,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:54:27,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:54:48,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:54:48,313 INFO L93 Difference]: Finished difference Result 133989 states and 195167 transitions. [2022-11-18 20:54:48,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:54:48,314 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 434 [2022-11-18 20:54:48,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:54:49,023 INFO L225 Difference]: With dead ends: 133989 [2022-11-18 20:54:49,024 INFO L226 Difference]: Without dead ends: 79351 [2022-11-18 20:54:49,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:54:49,327 INFO L413 NwaCegarLoop]: 12904 mSDtfsCounter, 10593 mSDsluCounter, 12683 mSDsCounter, 0 mSdLazyCounter, 11579 mSolverCounterSat, 3356 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 91.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12086 SdHoareTripleChecker+Valid, 25587 SdHoareTripleChecker+Invalid, 14940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 3356 IncrementalHoareTripleChecker+Valid, 11579 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 96.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:54:49,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12086 Valid, 25587 Invalid, 14940 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [3356 Valid, 11579 Invalid, 5 Unknown, 0 Unchecked, 96.2s Time] [2022-11-18 20:54:49,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79351 states. [2022-11-18 20:54:55,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79351 to 72088. [2022-11-18 20:54:55,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72088 states, 51586 states have (on average 1.3364091032450665) internal successors, (68940), 52444 states have internal predecessors, (68940), 17601 states have call successors, (17601), 2911 states have call predecessors, (17601), 2900 states have return successors, (17601), 17464 states have call predecessors, (17601), 17601 states have call successors, (17601) [2022-11-18 20:54:56,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72088 states to 72088 states and 104142 transitions. [2022-11-18 20:54:56,151 INFO L78 Accepts]: Start accepts. Automaton has 72088 states and 104142 transitions. Word has length 434 [2022-11-18 20:54:56,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:54:56,153 INFO L495 AbstractCegarLoop]: Abstraction has 72088 states and 104142 transitions. [2022-11-18 20:54:56,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-18 20:54:56,153 INFO L276 IsEmpty]: Start isEmpty. Operand 72088 states and 104142 transitions. [2022-11-18 20:54:56,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2022-11-18 20:54:56,246 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:54:56,247 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 28, 28, 28, 28, 28, 28, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:54:56,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:54:56,247 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:54:56,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:56,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1556474948, now seen corresponding path program 1 times [2022-11-18 20:54:56,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:56,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617067578] [2022-11-18 20:54:56,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:56,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:57,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:54:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:57,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:54:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:57,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:54:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:57,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:54:57,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:57,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:54:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:57,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:54:57,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:57,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:54:57,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:57,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:54:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:57,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:54:57,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:57,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:54:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:57,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:54:57,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:57,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:54:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:57,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 20:54:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:57,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:54:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:57,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 20:54:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:57,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:54:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:57,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 20:54:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:57,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:54:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:57,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:54:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:57,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:54:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:57,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 20:54:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:57,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:54:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:57,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 20:54:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:57,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:54:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:57,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:54:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:57,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:54:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:57,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 20:54:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:57,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:54:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:57,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 20:54:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:57,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:54:57,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:57,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 20:54:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:57,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:54:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:57,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 20:54:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:54:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 20:54:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:54:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 20:54:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:54:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 20:54:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:54:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-18 20:54:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:54:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-18 20:54:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:54:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 20:54:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:54:58,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-18 20:54:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:54:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-18 20:54:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:54:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-18 20:54:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:54:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-18 20:54:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:54:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 20:54:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-11-18 20:54:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-11-18 20:54:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-18 20:54:58,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-11-18 20:54:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-11-18 20:54:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:54:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-18 20:54:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-18 20:54:58,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-11-18 20:54:58,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-11-18 20:54:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-11-18 20:54:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:54:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:54:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 20:54:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:58,901 INFO L134 CoverageAnalysis]: Checked inductivity of 3895 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3892 trivial. 0 not checked. [2022-11-18 20:54:58,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:54:58,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617067578] [2022-11-18 20:54:58,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617067578] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:54:58,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:54:58,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:54:58,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941374003] [2022-11-18 20:54:58,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:54:58,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:54:58,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:54:58,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:54:58,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:54:58,906 INFO L87 Difference]: Start difference. First operand 72088 states and 104142 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-18 20:55:06,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []