./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fc7545-a6cc-4e07-8910-996b99f0f9fd/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fc7545-a6cc-4e07-8910-996b99f0f9fd/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fc7545-a6cc-4e07-8910-996b99f0f9fd/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fc7545-a6cc-4e07-8910-996b99f0f9fd/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fc7545-a6cc-4e07-8910-996b99f0f9fd/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fc7545-a6cc-4e07-8910-996b99f0f9fd/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 09cbaebb1ba63467573f762e7ad2cc192d5056a63325ea78efceb6e965b304c3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:52:11,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:52:11,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:52:11,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:52:11,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:52:11,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:52:11,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:52:11,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:52:11,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:52:11,866 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:52:11,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:52:11,869 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:52:11,870 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:52:11,871 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:52:11,873 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:52:11,875 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:52:11,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:52:11,878 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:52:11,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:52:11,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:52:11,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:52:11,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:52:11,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:52:11,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:52:11,894 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:52:11,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:52:11,895 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:52:11,896 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:52:11,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:52:11,898 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:52:11,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:52:11,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:52:11,901 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:52:11,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:52:11,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:52:11,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:52:11,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:52:11,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:52:11,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:52:11,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:52:11,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:52:11,909 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fc7545-a6cc-4e07-8910-996b99f0f9fd/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 03:52:11,936 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:52:11,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:52:11,936 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:52:11,937 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:52:11,937 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:52:11,938 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:52:11,938 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:52:11,938 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:52:11,939 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:52:11,939 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:52:11,939 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:52:11,940 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:52:11,940 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:52:11,940 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:52:11,941 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:52:11,941 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:52:11,941 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:52:11,941 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:52:11,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:52:11,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:52:11,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:52:11,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:52:11,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:52:11,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:52:11,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:52:11,944 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:52:11,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:52:11,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:52:11,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:52:11,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:52:11,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:52:11,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:52:11,946 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:52:11,946 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:52:11,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:52:11,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:52:11,947 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:52:11,947 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:52:11,947 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_11fc7545-a6cc-4e07-8910-996b99f0f9fd/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fc7545-a6cc-4e07-8910-996b99f0f9fd/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09cbaebb1ba63467573f762e7ad2cc192d5056a63325ea78efceb6e965b304c3 [2021-11-23 03:52:12,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:52:12,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:52:12,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:52:12,280 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:52:12,282 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:52:12,283 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fc7545-a6cc-4e07-8910-996b99f0f9fd/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2021-11-23 03:52:12,370 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fc7545-a6cc-4e07-8910-996b99f0f9fd/bin/utaipan-EQgc7hIp5V/data/f3d708e57/850590c5e96c4934b25e764e45c428dd/FLAG6a30a75c4 [2021-11-23 03:52:13,522 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:52:13,523 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fc7545-a6cc-4e07-8910-996b99f0f9fd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2021-11-23 03:52:13,622 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fc7545-a6cc-4e07-8910-996b99f0f9fd/bin/utaipan-EQgc7hIp5V/data/f3d708e57/850590c5e96c4934b25e764e45c428dd/FLAG6a30a75c4 [2021-11-23 03:52:13,795 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fc7545-a6cc-4e07-8910-996b99f0f9fd/bin/utaipan-EQgc7hIp5V/data/f3d708e57/850590c5e96c4934b25e764e45c428dd [2021-11-23 03:52:13,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:52:13,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:52:13,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:52:13,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:52:13,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:52:13,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:13" (1/1) ... [2021-11-23 03:52:13,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@471282a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:13, skipping insertion in model container [2021-11-23 03:52:13,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:13" (1/1) ... [2021-11-23 03:52:13,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:52:14,055 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:52:19,422 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fc7545-a6cc-4e07-8910-996b99f0f9fd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541974,541987] [2021-11-23 03:52:19,425 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fc7545-a6cc-4e07-8910-996b99f0f9fd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[542119,542132] [2021-11-23 03:52:19,452 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:52:19,589 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:52:20,064 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fc7545-a6cc-4e07-8910-996b99f0f9fd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541974,541987] [2021-11-23 03:52:20,065 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fc7545-a6cc-4e07-8910-996b99f0f9fd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[542119,542132] [2021-11-23 03:52:20,071 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:52:20,517 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:52:20,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:20 WrapperNode [2021-11-23 03:52:20,518 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:52:20,519 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:52:20,519 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:52:20,519 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:52:20,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:20" (1/1) ... [2021-11-23 03:52:20,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:20" (1/1) ... [2021-11-23 03:52:21,070 INFO L137 Inliner]: procedures = 678, calls = 3870, calls flagged for inlining = 401, calls inlined = 378, statements flattened = 9089 [2021-11-23 03:52:21,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:52:21,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:52:21,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:52:21,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:52:21,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:20" (1/1) ... [2021-11-23 03:52:21,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:20" (1/1) ... [2021-11-23 03:52:21,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:20" (1/1) ... [2021-11-23 03:52:21,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:20" (1/1) ... [2021-11-23 03:52:21,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:20" (1/1) ... [2021-11-23 03:52:21,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:20" (1/1) ... [2021-11-23 03:52:21,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:20" (1/1) ... [2021-11-23 03:52:21,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:52:21,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:52:21,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:52:21,637 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:52:21,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:20" (1/1) ... [2021-11-23 03:52:21,650 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:52:21,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fc7545-a6cc-4e07-8910-996b99f0f9fd/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:52:21,676 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fc7545-a6cc-4e07-8910-996b99f0f9fd/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:52:21,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fc7545-a6cc-4e07-8910-996b99f0f9fd/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:52:21,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 03:52:21,727 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 03:52:21,727 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-23 03:52:21,728 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-23 03:52:21,728 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_sset_count [2021-11-23 03:52:21,728 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_sset_count [2021-11-23 03:52:21,728 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_write [2021-11-23 03:52:21,728 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_write [2021-11-23 03:52:21,728 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-23 03:52:21,729 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-23 03:52:21,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88 [2021-11-23 03:52:21,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88 [2021-11-23 03:52:21,729 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_select_mii [2021-11-23 03:52:21,730 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_select_mii [2021-11-23 03:52:21,730 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_edmac [2021-11-23 03:52:21,730 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_edmac [2021-11-23 03:52:21,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 03:52:21,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 03:52:21,730 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_write [2021-11-23 03:52:21,730 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_write [2021-11-23 03:52:21,731 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2021-11-23 03:52:21,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_link [2021-11-23 03:52:21,731 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_disable_cam_entry_table [2021-11-23 03:52:21,731 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_disable_cam_entry_table [2021-11-23 03:52:21,731 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-23 03:52:21,731 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-23 03:52:21,732 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_giga [2021-11-23 03:52:21,732 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_giga [2021-11-23 03:52:21,732 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-11-23 03:52:21,732 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-11-23 03:52:21,733 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-23 03:52:21,733 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-23 03:52:21,733 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 03:52:21,733 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 03:52:21,733 INFO L130 BoogieDeclarations]: Found specification of procedure bb_clr [2021-11-23 03:52:21,734 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_clr [2021-11-23 03:52:21,734 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-23 03:52:21,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-23 03:52:21,734 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_free_dma_buffer [2021-11-23 03:52:21,734 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_free_dma_buffer [2021-11-23 03:52:21,734 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_busy [2021-11-23 03:52:21,735 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_busy [2021-11-23 03:52:21,735 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_r8a777x [2021-11-23 03:52:21,735 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_r8a777x [2021-11-23 03:52:21,735 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2021-11-23 03:52:21,736 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2021-11-23 03:52:21,736 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-11-23 03:52:21,736 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-11-23 03:52:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-23 03:52:21,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-23 03:52:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-23 03:52:21,738 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-23 03:52:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-23 03:52:21,738 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-23 03:52:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 03:52:21,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 03:52:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tx_timeout [2021-11-23 03:52:21,739 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tx_timeout [2021-11-23 03:52:21,740 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-11-23 03:52:21,740 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-11-23 03:52:21,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:52:21,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_array_83 [2021-11-23 03:52:21,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_array_83 [2021-11-23 03:52:21,741 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_ring_free [2021-11-23 03:52:21,741 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_ring_free [2021-11-23 03:52:21,741 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-11-23 03:52:21,741 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-11-23 03:52:21,741 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 03:52:21,741 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 03:52:21,742 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 03:52:21,742 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 03:52:21,743 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset [2021-11-23 03:52:21,743 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset [2021-11-23 03:52:21,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 03:52:21,743 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-23 03:52:21,743 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-23 03:52:21,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-23 03:52:21,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-23 03:52:21,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 03:52:21,744 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_ringparam [2021-11-23 03:52:21,744 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_ringparam [2021-11-23 03:52:21,745 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_start_xmit [2021-11-23 03:52:21,745 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_start_xmit [2021-11-23 03:52:21,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-23 03:52:21,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-23 03:52:21,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:52:21,746 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_nway_reset [2021-11-23 03:52:21,746 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_nway_reset [2021-11-23 03:52:21,747 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-23 03:52:21,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-23 03:52:21,747 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_close [2021-11-23 03:52:21,748 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_close [2021-11-23 03:52:21,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-23 03:52:21,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-23 03:52:21,748 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_soft_swap [2021-11-23 03:52:21,748 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_soft_swap [2021-11-23 03:52:21,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 03:52:21,749 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 03:52:21,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-23 03:52:21,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-23 03:52:21,749 INFO L130 BoogieDeclarations]: Found specification of procedure sh_get_mdio [2021-11-23 03:52:21,749 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_get_mdio [2021-11-23 03:52:21,750 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_find_entry [2021-11-23 03:52:21,750 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_find_entry [2021-11-23 03:52:21,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-23 03:52:21,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-23 03:52:21,750 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_vlan_rx_add_vid [2021-11-23 03:52:21,751 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_vlan_rx_add_vid [2021-11-23 03:52:21,751 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_ring_init [2021-11-23 03:52:21,752 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_ring_init [2021-11-23 03:52:21,754 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-11-23 03:52:21,755 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-11-23 03:52:21,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:52:21,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-23 03:52:21,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-23 03:52:21,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-23 03:52:21,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-23 03:52:21,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-23 03:52:21,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-23 03:52:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-23 03:52:21,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-23 03:52:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-23 03:52:21,763 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-23 03:52:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_ringparam [2021-11-23 03:52:21,763 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_ringparam [2021-11-23 03:52:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:52:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-23 03:52:21,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-23 03:52:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-23 03:52:21,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-23 03:52:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:52:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 03:52:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 03:52:21,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 03:52:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 03:52:21,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 03:52:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-23 03:52:21,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-23 03:52:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-23 03:52:21,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-23 03:52:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_rcv_snd_enable [2021-11-23 03:52:21,766 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_rcv_snd_enable [2021-11-23 03:52:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sh_eth_driver_exit_18_2 [2021-11-23 03:52:21,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sh_eth_driver_exit_18_2 [2021-11-23 03:52:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_offset [2021-11-23 03:52:21,766 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_offset [2021-11-23 03:52:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2021-11-23 03:52:21,767 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2021-11-23 03:52:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-23 03:52:21,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-23 03:52:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-23 03:52:21,767 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-23 03:52:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 03:52:21,768 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 03:52:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-23 03:52:21,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-23 03:52:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 03:52:21,768 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 03:52:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_post_bit [2021-11-23 03:52:21,768 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_post_bit [2021-11-23 03:52:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:52:21,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:52:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure free_mdio_bitbang [2021-11-23 03:52:21,769 INFO L138 BoogieDeclarations]: Found implementation of procedure free_mdio_bitbang [2021-11-23 03:52:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 03:52:21,769 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 03:52:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_do_ioctl [2021-11-23 03:52:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_do_ioctl [2021-11-23 03:52:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_disable_cam_entry_post [2021-11-23 03:52:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_disable_cam_entry_post [2021-11-23 03:52:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 03:52:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 03:52:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 03:52:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 03:52:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_drv_probe [2021-11-23 03:52:21,771 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_drv_probe [2021-11-23 03:52:21,771 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_read [2021-11-23 03:52:21,771 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_read [2021-11-23 03:52:21,771 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-23 03:52:21,771 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_vtag_index [2021-11-23 03:52:21,771 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_vtag_index [2021-11-23 03:52:21,771 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_edtrr_trns [2021-11-23 03:52:21,772 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_edtrr_trns [2021-11-23 03:52:21,773 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap_resource [2021-11-23 03:52:21,773 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap_resource [2021-11-23 03:52:21,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 03:52:21,773 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 03:52:21,774 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_get_sync [2021-11-23 03:52:21,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_get_sync [2021-11-23 03:52:21,774 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_duplex [2021-11-23 03:52:21,774 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_duplex [2021-11-23 03:52:21,774 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-23 03:52:21,774 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-23 03:52:21,774 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_post_reg_offset [2021-11-23 03:52:21,775 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_post_reg_offset [2021-11-23 03:52:21,775 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset_r8a7740 [2021-11-23 03:52:21,775 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset_r8a7740 [2021-11-23 03:52:21,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-23 03:52:21,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-23 03:52:21,775 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset_giga [2021-11-23 03:52:21,775 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset_giga [2021-11-23 03:52:21,776 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-23 03:52:21,776 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-23 03:52:21,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:52:21,776 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-23 03:52:21,776 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-23 03:52:21,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:52:21,776 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_runtime_nop [2021-11-23 03:52:21,777 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_runtime_nop [2021-11-23 03:52:21,777 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_resume [2021-11-23 03:52:21,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_resume [2021-11-23 03:52:21,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 03:52:21,777 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_open [2021-11-23 03:52:21,777 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_open [2021-11-23 03:52:21,777 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 03:52:21,777 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 03:52:21,778 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_multicast_list [2021-11-23 03:52:21,778 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_multicast_list [2021-11-23 03:52:21,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-23 03:52:21,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-23 03:52:21,778 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_msglevel [2021-11-23 03:52:21,778 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_msglevel [2021-11-23 03:52:21,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-23 03:52:21,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-23 03:52:21,779 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put_sync [2021-11-23 03:52:21,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put_sync [2021-11-23 03:52:21,779 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_read_entry [2021-11-23 03:52:21,779 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_read_entry [2021-11-23 03:52:21,779 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_txfree [2021-11-23 03:52:21,779 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_txfree [2021-11-23 03:52:21,780 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_settings [2021-11-23 03:52:21,780 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_settings [2021-11-23 03:52:21,780 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_rcv_snd_disable [2021-11-23 03:52:21,780 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_rcv_snd_disable [2021-11-23 03:52:21,780 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-23 03:52:21,780 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-23 03:52:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-23 03:52:21,785 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-23 03:52:21,785 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_msglevel [2021-11-23 03:52:21,785 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_msglevel [2021-11-23 03:52:21,785 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-23 03:52:21,786 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-23 03:52:21,786 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_drv_remove [2021-11-23 03:52:21,786 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_drv_remove [2021-11-23 03:52:21,786 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-23 03:52:21,786 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-23 03:52:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_read [2021-11-23 03:52:21,788 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_read [2021-11-23 03:52:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_is_rz_fast_ether [2021-11-23 03:52:21,788 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_is_rz_fast_ether [2021-11-23 03:52:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure bb_set [2021-11-23 03:52:21,788 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_set [2021-11-23 03:52:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_settings [2021-11-23 03:52:21,789 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_settings [2021-11-23 03:52:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 03:52:21,789 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 03:52:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_strings [2021-11-23 03:52:21,789 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_strings [2021-11-23 03:52:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_ethtool_stats [2021-11-23 03:52:21,790 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_ethtool_stats [2021-11-23 03:52:21,790 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 03:52:21,790 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 03:52:21,790 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_dev_init [2021-11-23 03:52:21,790 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_dev_init [2021-11-23 03:52:21,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_sh_eth_private [2021-11-23 03:52:21,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_sh_eth_private [2021-11-23 03:52:21,790 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_stats [2021-11-23 03:52:21,791 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_stats [2021-11-23 03:52:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:52:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_vlan_rx_kill_vid [2021-11-23 03:52:21,791 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_vlan_rx_kill_vid [2021-11-23 03:52:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_sh7724 [2021-11-23 03:52:21,791 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_sh7724 [2021-11-23 03:52:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_adjust_link [2021-11-23 03:52:21,791 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_adjust_link [2021-11-23 03:52:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 03:52:21,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 03:52:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_purge_mcast [2021-11-23 03:52:21,792 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_purge_mcast [2021-11-23 03:52:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-23 03:52:21,792 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-23 03:52:21,792 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-11-23 03:52:21,792 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-11-23 03:52:21,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_sh_eth_private [2021-11-23 03:52:21,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_sh_eth_private [2021-11-23 03:52:21,793 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-23 03:52:21,793 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-23 03:52:21,793 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_is_gether [2021-11-23 03:52:21,793 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_is_gether [2021-11-23 03:52:21,793 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-23 03:52:21,793 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-23 03:52:21,794 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_sh7757 [2021-11-23 03:52:21,794 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_sh7757 [2021-11-23 03:52:21,794 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_receive_align [2021-11-23 03:52:21,794 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_receive_align [2021-11-23 03:52:21,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-23 03:52:21,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-23 03:52:21,794 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 03:52:21,794 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 03:52:21,795 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-23 03:52:21,795 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-23 03:52:21,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:52:21,795 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_write_entry [2021-11-23 03:52:21,795 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_write_entry [2021-11-23 03:52:21,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-23 03:52:21,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-23 03:52:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-23 03:52:21,796 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-23 03:52:23,233 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:52:23,237 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:52:23,861 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 03:53:35,488 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-23 03:53:35,595 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:53:37,959 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:53:37,960 INFO L301 CfgBuilder]: Removed 11 assume(true) statements. [2021-11-23 03:53:37,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:53:37 BoogieIcfgContainer [2021-11-23 03:53:37,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:53:37,968 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:53:37,968 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:53:37,971 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:53:37,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:52:13" (1/3) ... [2021-11-23 03:53:37,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@598d6e44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:53:37, skipping insertion in model container [2021-11-23 03:53:37,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:20" (2/3) ... [2021-11-23 03:53:37,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@598d6e44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:53:37, skipping insertion in model container [2021-11-23 03:53:37,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:53:37" (3/3) ... [2021-11-23 03:53:37,975 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2021-11-23 03:53:37,980 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:53:37,981 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 03:53:38,149 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:53:38,156 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 03:53:38,156 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 03:53:38,228 INFO L276 IsEmpty]: Start isEmpty. Operand has 2576 states, 1546 states have (on average 1.3421733505821474) internal successors, (2075), 1610 states have internal predecessors, (2075), 891 states have call successors, (891), 145 states have call predecessors, (891), 144 states have return successors, (880), 854 states have call predecessors, (880), 880 states have call successors, (880) [2021-11-23 03:53:38,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 604 [2021-11-23 03:53:38,286 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:53:38,288 INFO L514 BasicCegarLoop]: trace histogram [54, 52, 52, 52, 52, 52, 52, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:53:38,289 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:53:38,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:53:38,294 INFO L85 PathProgramCache]: Analyzing trace with hash 470927633, now seen corresponding path program 1 times [2021-11-23 03:53:38,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:53:38,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506553482] [2021-11-23 03:53:38,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:53:38,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:53:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:53:39,906 INFO L134 CoverageAnalysis]: Checked inductivity of 10820 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10820 trivial. 0 not checked. [2021-11-23 03:53:39,907 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:53:39,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506553482] [2021-11-23 03:53:39,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506553482] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:53:39,908 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:53:39,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:53:39,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977898426] [2021-11-23 03:53:39,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:53:39,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:53:39,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:53:39,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:53:39,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:53:39,964 INFO L87 Difference]: Start difference. First operand has 2576 states, 1546 states have (on average 1.3421733505821474) internal successors, (2075), 1610 states have internal predecessors, (2075), 891 states have call successors, (891), 145 states have call predecessors, (891), 144 states have return successors, (880), 854 states have call predecessors, (880), 880 states have call successors, (880) Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (69), 2 states have call predecessors, (69), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-23 03:53:42,110 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:53:47,072 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:53:47,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:53:47,548 INFO L93 Difference]: Finished difference Result 7139 states and 10795 transitions. [2021-11-23 03:53:47,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:53:47,551 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (69), 2 states have call predecessors, (69), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 603 [2021-11-23 03:53:47,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:53:47,636 INFO L225 Difference]: With dead ends: 7139 [2021-11-23 03:53:47,636 INFO L226 Difference]: Without dead ends: 4601 [2021-11-23 03:53:47,677 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:53:47,683 INFO L933 BasicCegarLoop]: 3968 mSDtfsCounter, 3102 mSDsluCounter, 3713 mSDsCounter, 0 mSdLazyCounter, 1226 mSolverCounterSat, 29 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3103 SdHoareTripleChecker+Valid, 7151 SdHoareTripleChecker+Invalid, 1257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1226 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:53:47,685 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3103 Valid, 7151 Invalid, 1257 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [29 Valid, 1226 Invalid, 2 Unknown, 0 Unchecked, 7.0s Time] [2021-11-23 03:53:47,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4601 states. [2021-11-23 03:53:48,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4601 to 4597. [2021-11-23 03:53:48,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4597 states, 2781 states have (on average 1.3347716648687522) internal successors, (3712), 2888 states have internal predecessors, (3712), 1536 states have call successors, (1536), 279 states have call predecessors, (1536), 279 states have return successors, (1537), 1485 states have call predecessors, (1537), 1536 states have call successors, (1537) [2021-11-23 03:53:48,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4597 states to 4597 states and 6785 transitions. [2021-11-23 03:53:48,182 INFO L78 Accepts]: Start accepts. Automaton has 4597 states and 6785 transitions. Word has length 603 [2021-11-23 03:53:48,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:53:48,186 INFO L470 AbstractCegarLoop]: Abstraction has 4597 states and 6785 transitions. [2021-11-23 03:53:48,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (69), 2 states have call predecessors, (69), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-23 03:53:48,188 INFO L276 IsEmpty]: Start isEmpty. Operand 4597 states and 6785 transitions. [2021-11-23 03:53:48,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 618 [2021-11-23 03:53:48,246 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:53:48,247 INFO L514 BasicCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:53:48,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:53:48,248 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:53:48,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:53:48,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1156279763, now seen corresponding path program 1 times [2021-11-23 03:53:48,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:53:48,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158686622] [2021-11-23 03:53:48,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:53:48,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:53:48,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:53:48,938 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2021-11-23 03:53:48,938 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:53:48,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158686622] [2021-11-23 03:53:48,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158686622] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:53:48,943 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:53:48,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:53:48,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524935833] [2021-11-23 03:53:48,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:53:48,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:53:48,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:53:48,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:53:48,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:53:48,949 INFO L87 Difference]: Start difference. First operand 4597 states and 6785 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-23 03:53:51,065 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:53:54,746 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:53:57,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:53:57,134 INFO L93 Difference]: Finished difference Result 13288 states and 19612 transitions. [2021-11-23 03:53:57,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:53:57,135 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 617 [2021-11-23 03:53:57,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:53:57,228 INFO L225 Difference]: With dead ends: 13288 [2021-11-23 03:53:57,229 INFO L226 Difference]: Without dead ends: 8796 [2021-11-23 03:53:57,270 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:53:57,272 INFO L933 BasicCegarLoop]: 3917 mSDtfsCounter, 3243 mSDsluCounter, 3663 mSDsCounter, 0 mSdLazyCounter, 1173 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3243 SdHoareTripleChecker+Valid, 7061 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1173 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2021-11-23 03:53:57,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3243 Valid, 7061 Invalid, 1182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1173 Invalid, 2 Unknown, 0 Unchecked, 7.6s Time] [2021-11-23 03:53:57,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8796 states. [2021-11-23 03:53:57,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8796 to 8794. [2021-11-23 03:53:57,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8794 states, 5335 states have (on average 1.334020618556701) internal successors, (7117), 5544 states have internal predecessors, (7117), 2901 states have call successors, (2901), 557 states have call predecessors, (2901), 557 states have return successors, (2955), 2803 states have call predecessors, (2955), 2901 states have call successors, (2955) [2021-11-23 03:53:57,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8794 states to 8794 states and 12973 transitions. [2021-11-23 03:53:57,971 INFO L78 Accepts]: Start accepts. Automaton has 8794 states and 12973 transitions. Word has length 617 [2021-11-23 03:53:57,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:53:57,974 INFO L470 AbstractCegarLoop]: Abstraction has 8794 states and 12973 transitions. [2021-11-23 03:53:57,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-23 03:53:57,975 INFO L276 IsEmpty]: Start isEmpty. Operand 8794 states and 12973 transitions. [2021-11-23 03:53:58,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 620 [2021-11-23 03:53:58,028 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:53:58,030 INFO L514 BasicCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:53:58,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 03:53:58,031 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:53:58,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:53:58,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1134776572, now seen corresponding path program 1 times [2021-11-23 03:53:58,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:53:58,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90471615] [2021-11-23 03:53:58,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:53:58,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:53:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:53:58,905 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2021-11-23 03:53:58,905 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:53:58,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90471615] [2021-11-23 03:53:58,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90471615] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:53:58,906 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:53:58,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:53:58,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146494270] [2021-11-23 03:53:58,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:53:58,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:53:58,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:53:58,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:53:58,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:53:58,909 INFO L87 Difference]: Start difference. First operand 8794 states and 12973 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-23 03:54:01,032 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:54:04,493 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:54:06,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:54:06,720 INFO L93 Difference]: Finished difference Result 25705 states and 38003 transitions. [2021-11-23 03:54:06,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:54:06,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 619 [2021-11-23 03:54:06,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:54:06,911 INFO L225 Difference]: With dead ends: 25705 [2021-11-23 03:54:06,911 INFO L226 Difference]: Without dead ends: 17016 [2021-11-23 03:54:06,990 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:54:06,991 INFO L933 BasicCegarLoop]: 3978 mSDtfsCounter, 3241 mSDsluCounter, 3663 mSDsCounter, 0 mSdLazyCounter, 1207 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3241 SdHoareTripleChecker+Valid, 7122 SdHoareTripleChecker+Invalid, 1216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1207 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:54:06,991 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3241 Valid, 7122 Invalid, 1216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1207 Invalid, 2 Unknown, 0 Unchecked, 7.1s Time] [2021-11-23 03:54:07,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17016 states. [2021-11-23 03:54:07,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17016 to 17014. [2021-11-23 03:54:07,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17014 states, 10332 states have (on average 1.3315911730545877) internal successors, (13758), 10745 states have internal predecessors, (13758), 5568 states have call successors, (5568), 1113 states have call predecessors, (5568), 1113 states have return successors, (5840), 5375 states have call predecessors, (5840), 5568 states have call successors, (5840) [2021-11-23 03:54:08,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17014 states to 17014 states and 25166 transitions. [2021-11-23 03:54:08,047 INFO L78 Accepts]: Start accepts. Automaton has 17014 states and 25166 transitions. Word has length 619 [2021-11-23 03:54:08,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:54:08,049 INFO L470 AbstractCegarLoop]: Abstraction has 17014 states and 25166 transitions. [2021-11-23 03:54:08,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-23 03:54:08,050 INFO L276 IsEmpty]: Start isEmpty. Operand 17014 states and 25166 transitions. [2021-11-23 03:54:08,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2021-11-23 03:54:08,082 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:54:08,083 INFO L514 BasicCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:54:08,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 03:54:08,084 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:54:08,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:54:08,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1679606330, now seen corresponding path program 1 times [2021-11-23 03:54:08,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:54:08,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115357653] [2021-11-23 03:54:08,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:54:08,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:54:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:54:08,673 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2021-11-23 03:54:08,674 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:54:08,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115357653] [2021-11-23 03:54:08,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115357653] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:54:08,674 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:54:08,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:54:08,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345796246] [2021-11-23 03:54:08,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:54:08,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:54:08,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:54:08,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:54:08,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:54:08,677 INFO L87 Difference]: Start difference. First operand 17014 states and 25166 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-23 03:54:10,788 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:54:14,056 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:54:16,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:54:16,672 INFO L93 Difference]: Finished difference Result 50019 states and 74198 transitions. [2021-11-23 03:54:16,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:54:16,672 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 621 [2021-11-23 03:54:16,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:54:16,898 INFO L225 Difference]: With dead ends: 50019 [2021-11-23 03:54:16,898 INFO L226 Difference]: Without dead ends: 33110 [2021-11-23 03:54:16,986 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:54:16,992 INFO L933 BasicCegarLoop]: 4071 mSDtfsCounter, 3239 mSDsluCounter, 3663 mSDsCounter, 0 mSdLazyCounter, 1249 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3239 SdHoareTripleChecker+Valid, 7215 SdHoareTripleChecker+Invalid, 1258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1249 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:54:16,993 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3239 Valid, 7215 Invalid, 1258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1249 Invalid, 2 Unknown, 0 Unchecked, 7.0s Time] [2021-11-23 03:54:17,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33110 states. [2021-11-23 03:54:18,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33110 to 33100. [2021-11-23 03:54:18,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33100 states, 20097 states have (on average 1.3283077076180525) internal successors, (26695), 20918 states have internal predecessors, (26695), 10777 states have call successors, (10777), 2225 states have call predecessors, (10777), 2225 states have return successors, (11668), 10393 states have call predecessors, (11668), 10777 states have call successors, (11668) [2021-11-23 03:54:19,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33100 states to 33100 states and 49140 transitions. [2021-11-23 03:54:19,111 INFO L78 Accepts]: Start accepts. Automaton has 33100 states and 49140 transitions. Word has length 621 [2021-11-23 03:54:19,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:54:19,112 INFO L470 AbstractCegarLoop]: Abstraction has 33100 states and 49140 transitions. [2021-11-23 03:54:19,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-23 03:54:19,113 INFO L276 IsEmpty]: Start isEmpty. Operand 33100 states and 49140 transitions. [2021-11-23 03:54:19,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 619 [2021-11-23 03:54:19,140 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:54:19,142 INFO L514 BasicCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:54:19,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 03:54:19,142 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:54:19,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:54:19,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1555724691, now seen corresponding path program 1 times [2021-11-23 03:54:19,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:54:19,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451097083] [2021-11-23 03:54:19,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:54:19,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:54:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:54:20,187 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2021-11-23 03:54:20,188 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:54:20,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451097083] [2021-11-23 03:54:20,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451097083] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:54:20,188 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:54:20,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:54:20,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866130120] [2021-11-23 03:54:20,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:54:20,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:54:20,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:54:20,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:54:20,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:54:20,419 INFO L87 Difference]: Start difference. First operand 33100 states and 49140 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-23 03:54:22,536 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:54:25,510 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:54:29,740 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:54:30,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:54:30,399 INFO L93 Difference]: Finished difference Result 97587 states and 145314 transitions. [2021-11-23 03:54:30,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:54:30,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 618 [2021-11-23 03:54:30,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:54:31,092 INFO L225 Difference]: With dead ends: 97587 [2021-11-23 03:54:31,092 INFO L226 Difference]: Without dead ends: 64592 [2021-11-23 03:54:31,253 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:54:31,254 INFO L933 BasicCegarLoop]: 4132 mSDtfsCounter, 3242 mSDsluCounter, 3663 mSDsCounter, 0 mSdLazyCounter, 1283 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3242 SdHoareTripleChecker+Valid, 7276 SdHoareTripleChecker+Invalid, 1292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1283 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:54:31,254 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3242 Valid, 7276 Invalid, 1292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1283 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2021-11-23 03:54:31,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64592 states. [2021-11-23 03:54:35,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64592 to 64590. [2021-11-23 03:54:35,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64590 states, 39194 states have (on average 1.3242843292340665) internal successors, (51904), 40831 states have internal predecessors, (51904), 20946 states have call successors, (20946), 4449 states have call predecessors, (20946), 4449 states have return successors, (23400), 20179 states have call predecessors, (23400), 20946 states have call successors, (23400) [2021-11-23 03:54:35,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64590 states to 64590 states and 96250 transitions. [2021-11-23 03:54:35,832 INFO L78 Accepts]: Start accepts. Automaton has 64590 states and 96250 transitions. Word has length 618 [2021-11-23 03:54:35,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:54:35,834 INFO L470 AbstractCegarLoop]: Abstraction has 64590 states and 96250 transitions. [2021-11-23 03:54:35,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-23 03:54:35,835 INFO L276 IsEmpty]: Start isEmpty. Operand 64590 states and 96250 transitions. [2021-11-23 03:54:35,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 617 [2021-11-23 03:54:35,863 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:54:35,864 INFO L514 BasicCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:54:35,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 03:54:35,864 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:54:35,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:54:35,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1074383650, now seen corresponding path program 1 times [2021-11-23 03:54:35,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:54:35,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020343138] [2021-11-23 03:54:35,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:54:35,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:54:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:54:36,747 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2021-11-23 03:54:36,748 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:54:36,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020343138] [2021-11-23 03:54:36,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020343138] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:54:36,748 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:54:36,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:54:36,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782096385] [2021-11-23 03:54:36,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:54:36,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:54:36,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:54:36,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:54:36,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:54:36,751 INFO L87 Difference]: Start difference. First operand 64590 states and 96250 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-23 03:54:38,874 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:54:41,900 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:54:47,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:54:47,368 INFO L93 Difference]: Finished difference Result 190679 states and 284994 transitions. [2021-11-23 03:54:47,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:54:47,369 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 616 [2021-11-23 03:54:47,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:54:48,400 INFO L225 Difference]: With dead ends: 190679 [2021-11-23 03:54:48,400 INFO L226 Difference]: Without dead ends: 126194 [2021-11-23 03:54:48,725 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:54:48,726 INFO L933 BasicCegarLoop]: 4214 mSDtfsCounter, 3244 mSDsluCounter, 3663 mSDsCounter, 0 mSdLazyCounter, 1305 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3244 SdHoareTripleChecker+Valid, 7358 SdHoareTripleChecker+Invalid, 1314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1305 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:54:48,727 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3244 Valid, 7358 Invalid, 1314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1305 Invalid, 2 Unknown, 0 Unchecked, 6.7s Time] [2021-11-23 03:54:48,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126194 states. [2021-11-23 03:54:54,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126194 to 126192. [2021-11-23 03:54:54,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126192 states, 76507 states have (on average 1.3198400146391833) internal successors, (100977), 79776 states have internal predecessors, (100977), 40787 states have call successors, (40787), 8897 states have call predecessors, (40787), 8897 states have return successors, (46976), 39253 states have call predecessors, (46976), 40787 states have call successors, (46976) [2021-11-23 03:54:56,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126192 states to 126192 states and 188740 transitions. [2021-11-23 03:54:56,220 INFO L78 Accepts]: Start accepts. Automaton has 126192 states and 188740 transitions. Word has length 616 [2021-11-23 03:54:56,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:54:56,222 INFO L470 AbstractCegarLoop]: Abstraction has 126192 states and 188740 transitions. [2021-11-23 03:54:56,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-23 03:54:56,222 INFO L276 IsEmpty]: Start isEmpty. Operand 126192 states and 188740 transitions. [2021-11-23 03:54:56,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 621 [2021-11-23 03:54:56,246 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:54:56,247 INFO L514 BasicCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:54:56,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 03:54:56,247 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:54:56,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:54:56,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1778324069, now seen corresponding path program 1 times [2021-11-23 03:54:56,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:54:56,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846970174] [2021-11-23 03:54:56,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:54:56,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:54:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:54:56,791 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2021-11-23 03:54:56,791 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:54:56,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846970174] [2021-11-23 03:54:56,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846970174] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:54:56,792 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:54:56,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:54:56,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934259438] [2021-11-23 03:54:56,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:54:56,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:54:56,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:54:56,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:54:56,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:54:56,795 INFO L87 Difference]: Start difference. First operand 126192 states and 188740 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-23 03:54:58,919 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:55:01,485 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:55:11,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:55:11,345 INFO L93 Difference]: Finished difference Result 372143 states and 558298 transitions. [2021-11-23 03:55:11,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:55:11,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 620 [2021-11-23 03:55:11,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:55:13,425 INFO L225 Difference]: With dead ends: 372143 [2021-11-23 03:55:13,426 INFO L226 Difference]: Without dead ends: 246056 [2021-11-23 03:55:13,910 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:55:13,910 INFO L933 BasicCegarLoop]: 4540 mSDtfsCounter, 3240 mSDsluCounter, 3663 mSDsCounter, 0 mSdLazyCounter, 1417 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3240 SdHoareTripleChecker+Valid, 7684 SdHoareTripleChecker+Invalid, 1426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1417 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2021-11-23 03:55:13,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3240 Valid, 7684 Invalid, 1426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1417 Invalid, 2 Unknown, 0 Unchecked, 6.9s Time] [2021-11-23 03:55:14,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246056 states.