./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832d3483-3929-43ea-bf25-e66d49b85d4c/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832d3483-3929-43ea-bf25-e66d49b85d4c/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832d3483-3929-43ea-bf25-e66d49b85d4c/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832d3483-3929-43ea-bf25-e66d49b85d4c/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832d3483-3929-43ea-bf25-e66d49b85d4c/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832d3483-3929-43ea-bf25-e66d49b85d4c/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7a2974a33527a9392dca8d355734fee3e0faaae6e14749128119c28fd0f37e8f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:31:48,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:31:48,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:31:48,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:31:48,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:31:48,505 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:31:48,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:31:48,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:31:48,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:31:48,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:31:48,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:31:48,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:31:48,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:31:48,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:31:48,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:31:48,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:31:48,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:31:48,526 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:31:48,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:31:48,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:31:48,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:31:48,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:31:48,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:31:48,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:31:48,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:31:48,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:31:48,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:31:48,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:31:48,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:31:48,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:31:48,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:31:48,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:31:48,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:31:48,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:31:48,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:31:48,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:31:48,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:31:48,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:31:48,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:31:48,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:31:48,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:31:48,560 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832d3483-3929-43ea-bf25-e66d49b85d4c/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 05:31:48,589 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:31:48,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:31:48,590 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:31:48,591 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:31:48,591 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 05:31:48,592 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 05:31:48,593 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:31:48,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:31:48,593 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:31:48,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:31:48,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 05:31:48,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:31:48,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 05:31:48,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 05:31:48,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 05:31:48,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:31:48,595 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:31:48,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 05:31:48,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:31:48,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:31:48,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 05:31:48,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:31:48,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:31:48,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 05:31:48,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 05:31:48,598 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 05:31:48,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 05:31:48,599 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 05:31:48,599 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 05:31:48,599 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 05:31:48,599 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:31:48,600 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832d3483-3929-43ea-bf25-e66d49b85d4c/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832d3483-3929-43ea-bf25-e66d49b85d4c/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a2974a33527a9392dca8d355734fee3e0faaae6e14749128119c28fd0f37e8f [2021-11-20 05:31:48,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:31:48,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:31:48,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:31:48,888 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:31:48,889 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:31:48,891 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832d3483-3929-43ea-bf25-e66d49b85d4c/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2021-11-20 05:31:48,988 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832d3483-3929-43ea-bf25-e66d49b85d4c/bin/uautomizer-DQz5hQGWxF/data/a60ee127e/5b990f96934649c685eb13c3d3588fd6/FLAG6bfc48b0f [2021-11-20 05:31:50,218 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:31:50,219 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832d3483-3929-43ea-bf25-e66d49b85d4c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2021-11-20 05:31:50,288 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832d3483-3929-43ea-bf25-e66d49b85d4c/bin/uautomizer-DQz5hQGWxF/data/a60ee127e/5b990f96934649c685eb13c3d3588fd6/FLAG6bfc48b0f [2021-11-20 05:31:50,485 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832d3483-3929-43ea-bf25-e66d49b85d4c/bin/uautomizer-DQz5hQGWxF/data/a60ee127e/5b990f96934649c685eb13c3d3588fd6 [2021-11-20 05:31:50,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:31:50,492 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:31:50,495 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:31:50,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:31:50,500 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:31:50,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:31:50" (1/1) ... [2021-11-20 05:31:50,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18a25e31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:50, skipping insertion in model container [2021-11-20 05:31:50,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:31:50" (1/1) ... [2021-11-20 05:31:50,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:31:50,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:31:53,813 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_832d3483-3929-43ea-bf25-e66d49b85d4c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i[386204,386217] [2021-11-20 05:31:53,904 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:31:53,967 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:31:54,645 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_832d3483-3929-43ea-bf25-e66d49b85d4c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i[386204,386217] [2021-11-20 05:31:54,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:31:54,872 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:31:54,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:54 WrapperNode [2021-11-20 05:31:54,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:31:54,876 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:31:54,876 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:31:54,876 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:31:54,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:54" (1/1) ... [2021-11-20 05:31:55,087 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:54" (1/1) ... [2021-11-20 05:31:55,385 INFO L137 Inliner]: procedures = 333, calls = 3594, calls flagged for inlining = 139, calls inlined = 136, statements flattened = 6651 [2021-11-20 05:31:55,386 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:31:55,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:31:55,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:31:55,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:31:55,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:54" (1/1) ... [2021-11-20 05:31:55,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:54" (1/1) ... [2021-11-20 05:31:55,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:54" (1/1) ... [2021-11-20 05:31:55,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:54" (1/1) ... [2021-11-20 05:31:55,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:54" (1/1) ... [2021-11-20 05:31:55,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:54" (1/1) ... [2021-11-20 05:31:55,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:54" (1/1) ... [2021-11-20 05:31:55,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:31:55,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:31:55,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:31:55,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:31:55,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:54" (1/1) ... [2021-11-20 05:31:55,942 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:31:55,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832d3483-3929-43ea-bf25-e66d49b85d4c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:31:55,964 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832d3483-3929-43ea-bf25-e66d49b85d4c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 05:31:55,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832d3483-3929-43ea-bf25-e66d49b85d4c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 05:31:56,010 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2021-11-20 05:31:56,011 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2021-11-20 05:31:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-20 05:31:56,011 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-20 05:31:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2021-11-20 05:31:56,012 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2021-11-20 05:31:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 05:31:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 05:31:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 05:31:56,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 05:31:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_interrupt [2021-11-20 05:31:56,012 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_interrupt [2021-11-20 05:31:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 05:31:56,013 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 05:31:56,013 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2021-11-20 05:31:56,013 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2021-11-20 05:31:56,013 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-20 05:31:56,013 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-20 05:31:56,013 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-20 05:31:56,013 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-20 05:31:56,014 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2021-11-20 05:31:56,014 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2021-11-20 05:31:56,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-20 05:31:56,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-20 05:31:56,014 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2021-11-20 05:31:56,014 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2021-11-20 05:31:56,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 05:31:56,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 05:31:56,015 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2021-11-20 05:31:56,015 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2021-11-20 05:31:56,015 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2021-11-20 05:31:56,015 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2021-11-20 05:31:56,015 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-20 05:31:56,015 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-20 05:31:56,015 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2021-11-20 05:31:56,016 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2021-11-20 05:31:56,016 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2021-11-20 05:31:56,016 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2021-11-20 05:31:56,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-20 05:31:56,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-20 05:31:56,016 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2021-11-20 05:31:56,017 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2021-11-20 05:31:56,017 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2021-11-20 05:31:56,017 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2021-11-20 05:31:56,017 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2021-11-20 05:31:56,017 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2021-11-20 05:31:56,018 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-20 05:31:56,018 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-20 05:31:56,018 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2021-11-20 05:31:56,018 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2021-11-20 05:31:56,018 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2021-11-20 05:31:56,018 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2021-11-20 05:31:56,019 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2021-11-20 05:31:56,019 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2021-11-20 05:31:56,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 05:31:56,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 05:31:56,020 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2021-11-20 05:31:56,020 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2021-11-20 05:31:56,021 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2021-11-20 05:31:56,021 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2021-11-20 05:31:56,021 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 05:31:56,021 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 05:31:56,021 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-20 05:31:56,021 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-20 05:31:56,022 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2021-11-20 05:31:56,022 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2021-11-20 05:31:56,022 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-20 05:31:56,022 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-20 05:31:56,023 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-20 05:31:56,023 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-20 05:31:56,023 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2021-11-20 05:31:56,024 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2021-11-20 05:31:56,024 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2021-11-20 05:31:56,024 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2021-11-20 05:31:56,024 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2021-11-20 05:31:56,024 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2021-11-20 05:31:56,024 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2021-11-20 05:31:56,024 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2021-11-20 05:31:56,024 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2021-11-20 05:31:56,025 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2021-11-20 05:31:56,025 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-20 05:31:56,025 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-20 05:31:56,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 05:31:56,025 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2021-11-20 05:31:56,025 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2021-11-20 05:31:56,025 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-11-20 05:31:56,025 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-11-20 05:31:56,026 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 05:31:56,026 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2021-11-20 05:31:56,026 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2021-11-20 05:31:56,027 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2021-11-20 05:31:56,027 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2021-11-20 05:31:56,027 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2021-11-20 05:31:56,027 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2021-11-20 05:31:56,027 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2021-11-20 05:31:56,028 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2021-11-20 05:31:56,028 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-11-20 05:31:56,028 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-11-20 05:31:56,028 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2021-11-20 05:31:56,029 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2021-11-20 05:31:56,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 05:31:56,029 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2021-11-20 05:31:56,029 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2021-11-20 05:31:56,029 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2021-11-20 05:31:56,029 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2021-11-20 05:31:56,030 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-20 05:31:56,030 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-20 05:31:56,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-20 05:31:56,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-20 05:31:56,030 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-20 05:31:56,030 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-20 05:31:56,030 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2021-11-20 05:31:56,031 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2021-11-20 05:31:56,031 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-11-20 05:31:56,031 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2021-11-20 05:31:56,031 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2021-11-20 05:31:56,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 05:31:56,032 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2021-11-20 05:31:56,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2021-11-20 05:31:56,035 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-11-20 05:31:56,035 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-11-20 05:31:56,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 05:31:56,035 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2021-11-20 05:31:56,036 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2021-11-20 05:31:56,038 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-11-20 05:31:56,038 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-11-20 05:31:56,038 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-11-20 05:31:56,038 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-11-20 05:31:56,043 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2021-11-20 05:31:56,044 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2021-11-20 05:31:56,044 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-11-20 05:31:56,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-11-20 05:31:56,044 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2021-11-20 05:31:56,044 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2021-11-20 05:31:56,044 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-11-20 05:31:56,044 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-11-20 05:31:56,044 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-20 05:31:56,044 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-20 05:31:56,045 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-20 05:31:56,045 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-20 05:31:56,045 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2021-11-20 05:31:56,045 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2021-11-20 05:31:56,045 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2021-11-20 05:31:56,045 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2021-11-20 05:31:56,045 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-20 05:31:56,045 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-20 05:31:56,045 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-20 05:31:56,046 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-20 05:31:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-11-20 05:31:56,046 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-11-20 05:31:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2021-11-20 05:31:56,046 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2021-11-20 05:31:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 05:31:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2021-11-20 05:31:56,046 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2021-11-20 05:31:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2021-11-20 05:31:56,047 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2021-11-20 05:31:56,047 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2021-11-20 05:31:56,047 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2021-11-20 05:31:56,047 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-20 05:31:56,047 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-20 05:31:56,047 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-20 05:31:56,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-20 05:31:56,047 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-20 05:31:56,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-20 05:31:56,048 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2021-11-20 05:31:56,048 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2021-11-20 05:31:56,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 05:31:56,048 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2021-11-20 05:31:56,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2021-11-20 05:31:56,048 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-20 05:31:56,048 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-20 05:31:56,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 05:31:56,048 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-20 05:31:56,049 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-20 05:31:56,049 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-20 05:31:56,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-20 05:31:56,049 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2021-11-20 05:31:56,049 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2021-11-20 05:31:56,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 05:31:56,049 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 05:31:56,049 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2021-11-20 05:31:56,049 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2021-11-20 05:31:56,050 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2021-11-20 05:31:56,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2021-11-20 05:31:56,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-20 05:31:56,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-20 05:31:56,050 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-20 05:31:56,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-20 05:31:56,050 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2021-11-20 05:31:56,050 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2021-11-20 05:31:56,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 05:31:56,050 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2021-11-20 05:31:56,051 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2021-11-20 05:31:56,051 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-20 05:31:56,051 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-20 05:31:56,120 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-20 05:31:56,120 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-20 05:31:56,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 05:31:56,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 05:31:56,120 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2021-11-20 05:31:56,120 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2021-11-20 05:31:56,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-20 05:31:56,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-20 05:31:56,121 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2021-11-20 05:31:56,121 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2021-11-20 05:31:56,121 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-11-20 05:31:56,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-11-20 05:31:56,121 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2021-11-20 05:31:56,121 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2021-11-20 05:31:56,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 05:31:56,122 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-20 05:31:56,122 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-20 05:31:56,122 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2021-11-20 05:31:56,122 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2021-11-20 05:31:56,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-20 05:31:56,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-20 05:31:56,122 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2021-11-20 05:31:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2021-11-20 05:31:56,123 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-20 05:31:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-20 05:31:56,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 05:31:56,123 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2021-11-20 05:31:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2021-11-20 05:31:56,123 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2021-11-20 05:31:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2021-11-20 05:31:56,123 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-20 05:31:56,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-20 05:31:56,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 05:31:56,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-11-20 05:31:56,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-11-20 05:31:56,124 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2021-11-20 05:31:56,124 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2021-11-20 05:31:56,124 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2021-11-20 05:31:56,124 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2021-11-20 05:31:56,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-11-20 05:31:56,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-11-20 05:31:56,125 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-20 05:31:56,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-20 05:31:56,125 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2021-11-20 05:31:56,125 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2021-11-20 05:31:56,125 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2021-11-20 05:31:56,125 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2021-11-20 05:31:56,125 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2021-11-20 05:31:56,125 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2021-11-20 05:31:56,126 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2021-11-20 05:31:56,127 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2021-11-20 05:31:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2021-11-20 05:31:56,127 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2021-11-20 05:31:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2021-11-20 05:31:56,128 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2021-11-20 05:31:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2021-11-20 05:31:56,128 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2021-11-20 05:31:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2021-11-20 05:31:56,128 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2021-11-20 05:31:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2021-11-20 05:31:56,128 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2021-11-20 05:31:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2021-11-20 05:31:56,128 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2021-11-20 05:31:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2021-11-20 05:31:56,129 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2021-11-20 05:31:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2021-11-20 05:31:56,129 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2021-11-20 05:31:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2021-11-20 05:31:56,129 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2021-11-20 05:31:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2021-11-20 05:31:56,129 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2021-11-20 05:31:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-20 05:31:56,130 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-20 05:31:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-20 05:31:56,130 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-20 05:31:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2021-11-20 05:31:56,130 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2021-11-20 05:31:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-11-20 05:31:56,130 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-11-20 05:31:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2021-11-20 05:31:56,131 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2021-11-20 05:31:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2021-11-20 05:31:56,131 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2021-11-20 05:31:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2021-11-20 05:31:56,131 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2021-11-20 05:31:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 05:31:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2021-11-20 05:31:56,135 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2021-11-20 05:31:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2021-11-20 05:31:56,135 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2021-11-20 05:31:56,136 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-20 05:31:56,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:31:56,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:31:56,136 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2021-11-20 05:31:56,136 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2021-11-20 05:31:57,342 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:31:57,351 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:31:57,843 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 05:32:13,237 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:32:13,272 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:32:13,272 INFO L301 CfgBuilder]: Removed 17 assume(true) statements. [2021-11-20 05:32:13,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:32:13 BoogieIcfgContainer [2021-11-20 05:32:13,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:32:13,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 05:32:13,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 05:32:13,285 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 05:32:13,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:31:50" (1/3) ... [2021-11-20 05:32:13,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c91c437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:32:13, skipping insertion in model container [2021-11-20 05:32:13,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:31:54" (2/3) ... [2021-11-20 05:32:13,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c91c437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:32:13, skipping insertion in model container [2021-11-20 05:32:13,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:32:13" (3/3) ... [2021-11-20 05:32:13,288 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2021-11-20 05:32:13,293 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 05:32:13,293 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 05:32:13,376 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 05:32:13,394 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 05:32:13,401 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 05:32:13,500 INFO L276 IsEmpty]: Start isEmpty. Operand has 3444 states, 2469 states have (on average 1.385176184690158) internal successors, (3420), 2531 states have internal predecessors, (3420), 854 states have call successors, (854), 136 states have call predecessors, (854), 135 states have return successors, (846), 835 states have call predecessors, (846), 846 states have call successors, (846) [2021-11-20 05:32:13,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-20 05:32:13,522 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:32:13,523 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:32:13,524 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:32:13,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:32:13,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1090600094, now seen corresponding path program 1 times [2021-11-20 05:32:13,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:32:13,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235890946] [2021-11-20 05:32:13,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:32:13,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:32:13,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:14,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:32:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:14,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:32:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:14,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:32:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:14,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 05:32:14,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:14,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:32:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:14,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:32:14,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:14,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 05:32:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:14,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:32:14,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:14,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:32:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:14,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 05:32:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:14,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:32:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:14,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:32:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:14,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 05:32:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:14,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:32:14,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:14,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-20 05:32:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:14,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:32:14,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:14,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-20 05:32:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:14,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 05:32:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:14,789 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-20 05:32:14,790 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:32:14,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235890946] [2021-11-20 05:32:14,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235890946] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:32:14,796 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:32:14,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 05:32:14,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579648808] [2021-11-20 05:32:14,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:32:14,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 05:32:14,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:32:14,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 05:32:14,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 05:32:14,858 INFO L87 Difference]: Start difference. First operand has 3444 states, 2469 states have (on average 1.385176184690158) internal successors, (3420), 2531 states have internal predecessors, (3420), 854 states have call successors, (854), 136 states have call predecessors, (854), 135 states have return successors, (846), 835 states have call predecessors, (846), 846 states have call successors, (846) Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-20 05:32:16,930 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:32:28,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:32:28,300 INFO L93 Difference]: Finished difference Result 7373 states and 11202 transitions. [2021-11-20 05:32:28,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 05:32:28,303 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 126 [2021-11-20 05:32:28,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:32:28,367 INFO L225 Difference]: With dead ends: 7373 [2021-11-20 05:32:28,368 INFO L226 Difference]: Without dead ends: 3913 [2021-11-20 05:32:28,409 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-20 05:32:28,413 INFO L933 BasicCegarLoop]: 4169 mSDtfsCounter, 3563 mSDsluCounter, 2460 mSDsCounter, 0 mSdLazyCounter, 3875 mSolverCounterSat, 2775 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3584 SdHoareTripleChecker+Valid, 6629 SdHoareTripleChecker+Invalid, 6651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2775 IncrementalHoareTripleChecker+Valid, 3875 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2021-11-20 05:32:28,414 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3584 Valid, 6629 Invalid, 6651 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2775 Valid, 3875 Invalid, 1 Unknown, 0 Unchecked, 12.7s Time] [2021-11-20 05:32:28,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3913 states. [2021-11-20 05:32:28,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3913 to 3375. [2021-11-20 05:32:28,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3375 states, 2410 states have (on average 1.3817427385892116) internal successors, (3330), 2449 states have internal predecessors, (3330), 830 states have call successors, (830), 135 states have call predecessors, (830), 134 states have return successors, (829), 818 states have call predecessors, (829), 829 states have call successors, (829) [2021-11-20 05:32:28,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3375 states to 3375 states and 4989 transitions. [2021-11-20 05:32:28,759 INFO L78 Accepts]: Start accepts. Automaton has 3375 states and 4989 transitions. Word has length 126 [2021-11-20 05:32:28,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:32:28,759 INFO L470 AbstractCegarLoop]: Abstraction has 3375 states and 4989 transitions. [2021-11-20 05:32:28,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-20 05:32:28,760 INFO L276 IsEmpty]: Start isEmpty. Operand 3375 states and 4989 transitions. [2021-11-20 05:32:28,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-20 05:32:28,766 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:32:28,766 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:32:28,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 05:32:28,767 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:32:28,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:32:28,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1978075498, now seen corresponding path program 1 times [2021-11-20 05:32:28,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:32:28,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137341354] [2021-11-20 05:32:28,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:32:28,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:32:28,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:28,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:32:28,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:29,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:32:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:29,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:32:29,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:29,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 05:32:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:29,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:32:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:29,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:32:29,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:29,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 05:32:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:29,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:32:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:29,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:32:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:29,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 05:32:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:29,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:32:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:29,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:32:29,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:29,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 05:32:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:29,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:32:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:29,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-20 05:32:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:29,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:32:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:29,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-20 05:32:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:29,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 05:32:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:29,200 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-20 05:32:29,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:32:29,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137341354] [2021-11-20 05:32:29,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137341354] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:32:29,202 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:32:29,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 05:32:29,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690610709] [2021-11-20 05:32:29,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:32:29,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 05:32:29,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:32:29,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 05:32:29,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-20 05:32:29,205 INFO L87 Difference]: Start difference. First operand 3375 states and 4989 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-20 05:32:31,243 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:32:33,254 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:32:54,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:32:54,743 INFO L93 Difference]: Finished difference Result 10892 states and 16259 transitions. [2021-11-20 05:32:54,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 05:32:54,744 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 126 [2021-11-20 05:32:54,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:32:54,823 INFO L225 Difference]: With dead ends: 10892 [2021-11-20 05:32:54,823 INFO L226 Difference]: Without dead ends: 7537 [2021-11-20 05:32:54,856 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-20 05:32:54,857 INFO L933 BasicCegarLoop]: 4883 mSDtfsCounter, 10308 mSDsluCounter, 7614 mSDsCounter, 0 mSdLazyCounter, 9109 mSolverCounterSat, 6107 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10643 SdHoareTripleChecker+Valid, 12497 SdHoareTripleChecker+Invalid, 15218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6107 IncrementalHoareTripleChecker+Valid, 9109 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.7s IncrementalHoareTripleChecker+Time [2021-11-20 05:32:54,858 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10643 Valid, 12497 Invalid, 15218 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6107 Valid, 9109 Invalid, 2 Unknown, 0 Unchecked, 24.7s Time] [2021-11-20 05:32:54,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7537 states. [2021-11-20 05:32:55,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7537 to 6460. [2021-11-20 05:32:55,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6460 states, 4622 states have (on average 1.3823020337516227) internal successors, (6389), 4699 states have internal predecessors, (6389), 1578 states have call successors, (1578), 260 states have call predecessors, (1578), 259 states have return successors, (1577), 1555 states have call predecessors, (1577), 1577 states have call successors, (1577) [2021-11-20 05:32:55,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6460 states to 6460 states and 9544 transitions. [2021-11-20 05:32:55,304 INFO L78 Accepts]: Start accepts. Automaton has 6460 states and 9544 transitions. Word has length 126 [2021-11-20 05:32:55,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:32:55,307 INFO L470 AbstractCegarLoop]: Abstraction has 6460 states and 9544 transitions. [2021-11-20 05:32:55,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-20 05:32:55,307 INFO L276 IsEmpty]: Start isEmpty. Operand 6460 states and 9544 transitions. [2021-11-20 05:32:55,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-20 05:32:55,314 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:32:55,315 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:32:55,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 05:32:55,315 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:32:55,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:32:55,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1016440010, now seen corresponding path program 1 times [2021-11-20 05:32:55,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:32:55,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775028963] [2021-11-20 05:32:55,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:32:55,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:32:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:55,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:32:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:55,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:32:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:55,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:32:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:55,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 05:32:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:55,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:32:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:55,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:32:55,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:55,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 05:32:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:55,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:32:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:55,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:32:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:55,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 05:32:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:55,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:32:55,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:55,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:32:55,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:55,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 05:32:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:55,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:32:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:55,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-20 05:32:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:55,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:32:55,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:55,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-20 05:32:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:55,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-20 05:32:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:56,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-20 05:32:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:56,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-20 05:32:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:56,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 05:32:56,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:56,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-20 05:32:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:56,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-20 05:32:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:56,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-20 05:32:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:56,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-20 05:32:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:32:56,090 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-20 05:32:56,090 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:32:56,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775028963] [2021-11-20 05:32:56,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775028963] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:32:56,093 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:32:56,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 05:32:56,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455258305] [2021-11-20 05:32:56,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:32:56,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 05:32:56,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:32:56,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 05:32:56,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-20 05:32:56,098 INFO L87 Difference]: Start difference. First operand 6460 states and 9544 transitions. Second operand has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-20 05:32:58,139 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:33:00,146 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:33:02,154 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:33:36,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:33:36,911 INFO L93 Difference]: Finished difference Result 22449 states and 34346 transitions. [2021-11-20 05:33:36,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-20 05:33:36,912 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 171 [2021-11-20 05:33:36,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:33:37,067 INFO L225 Difference]: With dead ends: 22449 [2021-11-20 05:33:37,067 INFO L226 Difference]: Without dead ends: 16009 [2021-11-20 05:33:37,121 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2021-11-20 05:33:37,122 INFO L933 BasicCegarLoop]: 4411 mSDtfsCounter, 15650 mSDsluCounter, 14144 mSDsCounter, 0 mSdLazyCounter, 19164 mSolverCounterSat, 10632 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16074 SdHoareTripleChecker+Valid, 18555 SdHoareTripleChecker+Invalid, 29799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10632 IncrementalHoareTripleChecker+Valid, 19164 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.4s IncrementalHoareTripleChecker+Time [2021-11-20 05:33:37,123 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16074 Valid, 18555 Invalid, 29799 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10632 Valid, 19164 Invalid, 3 Unknown, 0 Unchecked, 39.4s Time] [2021-11-20 05:33:37,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16009 states. [2021-11-20 05:33:38,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16009 to 13933. [2021-11-20 05:33:38,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13933 states, 10029 states have (on average 1.35995612723103) internal successors, (13639), 9981 states have internal predecessors, (13639), 3244 states have call successors, (3244), 520 states have call predecessors, (3244), 659 states have return successors, (4139), 3531 states have call predecessors, (4139), 3243 states have call successors, (4139) [2021-11-20 05:33:38,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13933 states to 13933 states and 21022 transitions. [2021-11-20 05:33:38,180 INFO L78 Accepts]: Start accepts. Automaton has 13933 states and 21022 transitions. Word has length 171 [2021-11-20 05:33:38,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:33:38,183 INFO L470 AbstractCegarLoop]: Abstraction has 13933 states and 21022 transitions. [2021-11-20 05:33:38,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-20 05:33:38,184 INFO L276 IsEmpty]: Start isEmpty. Operand 13933 states and 21022 transitions. [2021-11-20 05:33:38,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-20 05:33:38,190 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:33:38,192 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:33:38,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 05:33:38,193 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:33:38,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:33:38,194 INFO L85 PathProgramCache]: Analyzing trace with hash 302587599, now seen corresponding path program 1 times [2021-11-20 05:33:38,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:33:38,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841889466] [2021-11-20 05:33:38,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:33:38,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:33:38,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:33:38,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:33:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:33:38,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:33:38,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:33:38,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:33:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:33:38,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 05:33:38,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:33:38,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:33:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:33:38,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:33:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:33:38,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 05:33:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:33:38,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:33:38,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:33:38,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:33:38,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:33:38,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 05:33:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:33:38,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:33:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:33:38,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:33:38,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:33:38,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 05:33:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:33:38,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:33:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:33:38,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-20 05:33:38,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:33:38,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:33:38,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:33:38,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-20 05:33:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:33:38,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-20 05:33:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:33:38,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-20 05:33:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:33:38,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-20 05:33:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:33:38,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-20 05:33:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:33:38,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-20 05:33:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:33:38,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-20 05:33:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:33:38,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-20 05:33:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:33:38,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-20 05:33:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:33:38,691 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-20 05:33:38,692 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:33:38,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841889466] [2021-11-20 05:33:38,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841889466] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:33:38,692 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:33:38,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 05:33:38,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591083998] [2021-11-20 05:33:38,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:33:38,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 05:33:38,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:33:38,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 05:33:38,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-20 05:33:38,695 INFO L87 Difference]: Start difference. First operand 13933 states and 21022 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-20 05:33:40,417 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:33:41,899 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:33:43,911 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:34:11,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:34:11,483 INFO L93 Difference]: Finished difference Result 45906 states and 69967 transitions. [2021-11-20 05:34:11,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-20 05:34:11,484 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 174 [2021-11-20 05:34:11,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:34:11,691 INFO L225 Difference]: With dead ends: 45906 [2021-11-20 05:34:11,691 INFO L226 Difference]: Without dead ends: 31993 [2021-11-20 05:34:11,773 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2021-11-20 05:34:11,776 INFO L933 BasicCegarLoop]: 4092 mSDtfsCounter, 16384 mSDsluCounter, 12372 mSDsCounter, 0 mSdLazyCounter, 15854 mSolverCounterSat, 10803 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16820 SdHoareTripleChecker+Valid, 16464 SdHoareTripleChecker+Invalid, 26658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10803 IncrementalHoareTripleChecker+Valid, 15854 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.4s IncrementalHoareTripleChecker+Time [2021-11-20 05:34:11,777 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16820 Valid, 16464 Invalid, 26658 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10803 Valid, 15854 Invalid, 1 Unknown, 0 Unchecked, 31.4s Time] [2021-11-20 05:34:11,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31993 states. [2021-11-20 05:34:13,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31993 to 27847. [2021-11-20 05:34:13,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27847 states, 20045 states have (on average 1.3601895734597156) internal successors, (27265), 19965 states have internal predecessors, (27265), 6480 states have call successors, (6480), 1042 states have call predecessors, (6480), 1321 states have return successors, (8271), 7039 states have call predecessors, (8271), 6479 states have call successors, (8271) [2021-11-20 05:34:13,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27847 states to 27847 states and 42016 transitions. [2021-11-20 05:34:13,920 INFO L78 Accepts]: Start accepts. Automaton has 27847 states and 42016 transitions. Word has length 174 [2021-11-20 05:34:13,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:34:13,921 INFO L470 AbstractCegarLoop]: Abstraction has 27847 states and 42016 transitions. [2021-11-20 05:34:13,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-20 05:34:13,921 INFO L276 IsEmpty]: Start isEmpty. Operand 27847 states and 42016 transitions. [2021-11-20 05:34:13,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-20 05:34:13,929 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:34:13,929 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:34:13,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 05:34:13,930 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:34:13,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:34:13,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1711587721, now seen corresponding path program 1 times [2021-11-20 05:34:13,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:34:13,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320569281] [2021-11-20 05:34:13,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:34:13,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:34:14,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:14,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:34:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:14,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:34:14,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:14,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:34:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:14,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 05:34:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:14,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:34:14,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:14,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:34:14,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:14,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 05:34:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:14,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:34:14,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:14,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:34:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:14,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 05:34:14,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:14,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:34:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:14,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:34:14,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:14,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 05:34:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:14,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:34:14,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:14,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-20 05:34:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:14,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:34:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:14,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 05:34:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:14,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-20 05:34:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:14,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-20 05:34:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:14,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-11-20 05:34:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:14,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-20 05:34:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:14,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 05:34:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:14,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-20 05:34:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:14,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 05:34:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:14,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-20 05:34:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:14,367 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-20 05:34:14,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:34:14,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320569281] [2021-11-20 05:34:14,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320569281] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:34:14,368 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:34:14,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 05:34:14,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891989822] [2021-11-20 05:34:14,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:34:14,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 05:34:14,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:34:14,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 05:34:14,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-20 05:34:14,372 INFO L87 Difference]: Start difference. First operand 27847 states and 42016 transitions. Second operand has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-20 05:34:16,409 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:34:18,422 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:34:47,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:34:47,384 INFO L93 Difference]: Finished difference Result 91784 states and 143585 transitions. [2021-11-20 05:34:47,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-20 05:34:47,385 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 172 [2021-11-20 05:34:47,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:34:47,802 INFO L225 Difference]: With dead ends: 91784 [2021-11-20 05:34:47,803 INFO L226 Difference]: Without dead ends: 63957 [2021-11-20 05:34:47,981 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2021-11-20 05:34:47,984 INFO L933 BasicCegarLoop]: 4097 mSDtfsCounter, 16315 mSDsluCounter, 12496 mSDsCounter, 0 mSdLazyCounter, 16277 mSolverCounterSat, 10920 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16739 SdHoareTripleChecker+Valid, 16593 SdHoareTripleChecker+Invalid, 27199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10920 IncrementalHoareTripleChecker+Valid, 16277 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.7s IncrementalHoareTripleChecker+Time [2021-11-20 05:34:47,984 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16739 Valid, 16593 Invalid, 27199 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10920 Valid, 16277 Invalid, 2 Unknown, 0 Unchecked, 30.7s Time] [2021-11-20 05:34:48,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63957 states. [2021-11-20 05:34:50,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63957 to 56631. [2021-11-20 05:34:51,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56631 states, 40825 states have (on average 1.3554684629516227) internal successors, (55337), 40445 states have internal predecessors, (55337), 13068 states have call successors, (13068), 2086 states have call predecessors, (13068), 2737 states have return successors, (18853), 14503 states have call predecessors, (18853), 13067 states have call successors, (18853) [2021-11-20 05:34:52,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56631 states to 56631 states and 87258 transitions. [2021-11-20 05:34:52,272 INFO L78 Accepts]: Start accepts. Automaton has 56631 states and 87258 transitions. Word has length 172 [2021-11-20 05:34:52,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:34:52,273 INFO L470 AbstractCegarLoop]: Abstraction has 56631 states and 87258 transitions. [2021-11-20 05:34:52,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-20 05:34:52,274 INFO L276 IsEmpty]: Start isEmpty. Operand 56631 states and 87258 transitions. [2021-11-20 05:34:52,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-20 05:34:52,283 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:34:52,283 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:34:52,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 05:34:52,284 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:34:52,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:34:52,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1743548295, now seen corresponding path program 1 times [2021-11-20 05:34:52,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:34:52,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494682651] [2021-11-20 05:34:52,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:34:52,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:34:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:52,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:34:52,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:52,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:34:52,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:52,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:34:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:52,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 05:34:52,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:52,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:34:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:52,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:34:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:52,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 05:34:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:52,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:34:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:52,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:34:52,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:52,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 05:34:52,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:52,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:34:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:52,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:34:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:52,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 05:34:52,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:52,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:34:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:52,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-20 05:34:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:52,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:34:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:52,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 05:34:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:52,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-20 05:34:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:52,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 05:34:52,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:52,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-20 05:34:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:52,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-20 05:34:52,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:52,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-20 05:34:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:52,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-20 05:34:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:52,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-20 05:34:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:52,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-20 05:34:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:34:52,807 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-20 05:34:52,807 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:34:52,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494682651] [2021-11-20 05:34:52,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494682651] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:34:52,807 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:34:52,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 05:34:52,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084934341] [2021-11-20 05:34:52,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:34:52,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 05:34:52,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:34:52,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 05:34:52,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-20 05:34:52,810 INFO L87 Difference]: Start difference. First operand 56631 states and 87258 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 4 states have internal predecessors, (77), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-20 05:34:54,846 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:34:56,858 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:35:27,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:35:27,968 INFO L93 Difference]: Finished difference Result 184524 states and 295855 transitions. [2021-11-20 05:35:27,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-20 05:35:27,969 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 4 states have internal predecessors, (77), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 173 [2021-11-20 05:35:27,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:35:29,173 INFO L225 Difference]: With dead ends: 184524 [2021-11-20 05:35:29,173 INFO L226 Difference]: Without dead ends: 127913 [2021-11-20 05:35:29,578 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2021-11-20 05:35:29,579 INFO L933 BasicCegarLoop]: 4117 mSDtfsCounter, 19660 mSDsluCounter, 11601 mSDsCounter, 0 mSdLazyCounter, 14042 mSolverCounterSat, 13677 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20087 SdHoareTripleChecker+Valid, 15718 SdHoareTripleChecker+Invalid, 27721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13677 IncrementalHoareTripleChecker+Valid, 14042 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.1s IncrementalHoareTripleChecker+Time [2021-11-20 05:35:29,580 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20087 Valid, 15718 Invalid, 27721 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13677 Valid, 14042 Invalid, 2 Unknown, 0 Unchecked, 30.1s Time] [2021-11-20 05:35:29,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127913 states. [2021-11-20 05:35:35,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127913 to 114219. [2021-11-20 05:35:35,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114219 states, 82405 states have (on average 1.3530368302894242) internal successors, (111497), 81421 states have internal predecessors, (111497), 26240 states have call successors, (26240), 4178 states have call predecessors, (26240), 5573 states have return successors, (42743), 29431 states have call predecessors, (42743), 26239 states have call successors, (42743) [2021-11-20 05:35:36,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114219 states to 114219 states and 180480 transitions. [2021-11-20 05:35:36,905 INFO L78 Accepts]: Start accepts. Automaton has 114219 states and 180480 transitions. Word has length 173 [2021-11-20 05:35:36,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:35:36,905 INFO L470 AbstractCegarLoop]: Abstraction has 114219 states and 180480 transitions. [2021-11-20 05:35:36,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 4 states have internal predecessors, (77), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-20 05:35:36,906 INFO L276 IsEmpty]: Start isEmpty. Operand 114219 states and 180480 transitions. [2021-11-20 05:35:36,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-20 05:35:36,916 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:35:36,916 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:35:36,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 05:35:36,916 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:35:36,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:35:36,917 INFO L85 PathProgramCache]: Analyzing trace with hash -691735148, now seen corresponding path program 1 times [2021-11-20 05:35:36,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:35:36,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327853195] [2021-11-20 05:35:36,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:35:36,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:35:37,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:35:37,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:35:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:35:37,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:35:37,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:35:37,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:35:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:35:37,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 05:35:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:35:37,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:35:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:35:37,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:35:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:35:37,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 05:35:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:35:37,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:35:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:35:37,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:35:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:35:37,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 05:35:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:35:37,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:35:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:35:37,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:35:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:35:37,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 05:35:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:35:37,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:35:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:35:37,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-20 05:35:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:35:37,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:35:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:35:37,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-20 05:35:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:35:37,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-20 05:35:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:35:37,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-20 05:35:37,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:35:37,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-20 05:35:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:35:37,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-20 05:35:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:35:37,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-20 05:35:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:35:37,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-20 05:35:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:35:37,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-20 05:35:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:35:37,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-20 05:35:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:35:37,414 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-20 05:35:37,414 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:35:37,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327853195] [2021-11-20 05:35:37,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327853195] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:35:37,415 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:35:37,415 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 05:35:37,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101029385] [2021-11-20 05:35:37,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:35:37,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 05:35:37,416 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:35:37,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 05:35:37,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-20 05:35:37,417 INFO L87 Difference]: Start difference. First operand 114219 states and 180480 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-20 05:35:39,456 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:35:41,465 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:35:43,477 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:36:22,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:36:22,178 INFO L93 Difference]: Finished difference Result 370112 states and 601329 transitions. [2021-11-20 05:36:22,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-20 05:36:22,179 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 174 [2021-11-20 05:36:22,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:36:24,424 INFO L225 Difference]: With dead ends: 370112 [2021-11-20 05:36:24,424 INFO L226 Difference]: Without dead ends: 255913 [2021-11-20 05:36:25,349 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2021-11-20 05:36:25,350 INFO L933 BasicCegarLoop]: 4053 mSDtfsCounter, 16393 mSDsluCounter, 12397 mSDsCounter, 0 mSdLazyCounter, 16250 mSolverCounterSat, 10992 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16818 SdHoareTripleChecker+Valid, 16450 SdHoareTripleChecker+Invalid, 27245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10992 IncrementalHoareTripleChecker+Valid, 16250 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.6s IncrementalHoareTripleChecker+Time [2021-11-20 05:36:25,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16818 Valid, 16450 Invalid, 27245 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10992 Valid, 16250 Invalid, 3 Unknown, 0 Unchecked, 34.6s Time] [2021-11-20 05:36:25,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255913 states.