./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:48:03,857 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:48:03,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:48:03,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:48:03,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:48:03,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:48:03,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:48:03,928 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:48:03,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:48:03,940 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:48:03,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:48:03,943 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:48:03,944 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:48:03,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:48:03,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:48:03,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:48:03,958 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:48:03,959 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:48:03,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:48:03,974 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:48:03,976 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:48:03,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:48:03,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:48:03,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:48:03,995 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:48:03,996 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:48:03,996 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:48:03,999 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:48:03,999 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:48:04,001 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:48:04,002 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:48:04,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:48:04,005 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:48:04,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:48:04,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:48:04,009 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:48:04,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:48:04,010 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:48:04,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:48:04,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:48:04,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:48:04,013 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 19:48:04,071 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:48:04,071 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:48:04,072 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:48:04,073 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:48:04,082 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:48:04,082 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:48:04,082 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:48:04,082 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:48:04,083 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:48:04,083 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:48:04,084 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:48:04,085 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:48:04,085 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:48:04,085 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:48:04,085 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:48:04,086 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:48:04,086 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:48:04,086 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:48:04,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:48:04,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:48:04,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:48:04,088 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:48:04,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:48:04,088 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:48:04,089 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:48:04,089 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:48:04,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:48:04,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:48:04,091 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:48:04,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:48:04,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:48:04,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:48:04,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:48:04,093 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:48:04,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:48:04,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:48:04,094 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:48:04,094 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:48:04,094 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc [2021-11-25 19:48:04,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:48:04,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:48:04,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:48:04,439 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:48:04,440 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:48:04,442 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2021-11-25 19:48:04,537 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/data/5f24dfe2c/fa7e6cd2a1ab4315beab9fdb6b1de9ca/FLAGa1fd4364d [2021-11-25 19:48:05,652 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:48:05,654 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2021-11-25 19:48:05,713 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/data/5f24dfe2c/fa7e6cd2a1ab4315beab9fdb6b1de9ca/FLAGa1fd4364d [2021-11-25 19:48:05,901 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/data/5f24dfe2c/fa7e6cd2a1ab4315beab9fdb6b1de9ca [2021-11-25 19:48:05,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:48:05,905 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:48:05,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:48:05,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:48:05,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:48:05,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:48:05" (1/1) ... [2021-11-25 19:48:05,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@617ce8d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:05, skipping insertion in model container [2021-11-25 19:48:05,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:48:05" (1/1) ... [2021-11-25 19:48:05,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:48:06,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:48:09,099 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_57dd5a30-4568-4874-9269-0f9553ef1b80/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2021-11-25 19:48:09,146 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:48:09,199 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:48:09,871 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_57dd5a30-4568-4874-9269-0f9553ef1b80/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2021-11-25 19:48:09,883 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:48:10,290 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:48:10,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:10 WrapperNode [2021-11-25 19:48:10,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:48:10,292 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:48:10,292 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:48:10,292 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:48:10,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:10" (1/1) ... [2021-11-25 19:48:10,441 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:10" (1/1) ... [2021-11-25 19:48:10,738 INFO L137 Inliner]: procedures = 343, calls = 3523, calls flagged for inlining = 191, calls inlined = 172, statements flattened = 8311 [2021-11-25 19:48:10,739 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:48:10,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:48:10,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:48:10,740 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:48:10,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:10" (1/1) ... [2021-11-25 19:48:10,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:10" (1/1) ... [2021-11-25 19:48:10,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:10" (1/1) ... [2021-11-25 19:48:10,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:10" (1/1) ... [2021-11-25 19:48:10,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:10" (1/1) ... [2021-11-25 19:48:11,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:10" (1/1) ... [2021-11-25 19:48:11,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:10" (1/1) ... [2021-11-25 19:48:11,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:48:11,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:48:11,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:48:11,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:48:11,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:10" (1/1) ... [2021-11-25 19:48:11,097 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:48:11,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:48:11,120 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:48:11,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:48:11,162 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2021-11-25 19:48:11,163 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2021-11-25 19:48:11,163 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-25 19:48:11,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 19:48:11,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 19:48:11,163 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-25 19:48:11,163 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-25 19:48:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-25 19:48:11,164 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-25 19:48:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-25 19:48:11,164 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-25 19:48:11,164 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2021-11-25 19:48:11,164 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2021-11-25 19:48:11,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 19:48:11,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 19:48:11,165 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2021-11-25 19:48:11,165 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2021-11-25 19:48:11,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-25 19:48:11,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-25 19:48:11,166 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2021-11-25 19:48:11,166 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2021-11-25 19:48:11,166 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-25 19:48:11,166 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-25 19:48:11,166 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2021-11-25 19:48:11,166 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2021-11-25 19:48:11,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-25 19:48:11,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-25 19:48:11,167 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-25 19:48:11,167 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-25 19:48:11,167 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-25 19:48:11,167 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-25 19:48:11,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 19:48:11,168 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 19:48:11,168 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-25 19:48:11,168 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-25 19:48:11,168 INFO L130 BoogieDeclarations]: Found specification of procedure free_bufs [2021-11-25 19:48:11,168 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bufs [2021-11-25 19:48:11,169 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-11-25 19:48:11,169 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-11-25 19:48:11,169 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2021-11-25 19:48:11,169 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2021-11-25 19:48:11,169 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-11-25 19:48:11,169 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-11-25 19:48:11,170 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-25 19:48:11,170 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-25 19:48:11,170 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-25 19:48:11,170 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-25 19:48:11,170 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2021-11-25 19:48:11,170 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2021-11-25 19:48:11,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:48:11,171 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 19:48:11,171 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2021-11-25 19:48:11,171 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2021-11-25 19:48:11,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:48:11,171 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rbufs [2021-11-25 19:48:11,172 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rbufs [2021-11-25 19:48:11,172 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2021-11-25 19:48:11,172 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2021-11-25 19:48:11,172 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-11-25 19:48:11,172 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-11-25 19:48:11,172 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-25 19:48:11,173 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-25 19:48:11,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-11-25 19:48:11,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-11-25 19:48:11,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:48:11,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 19:48:11,173 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2021-11-25 19:48:11,174 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2021-11-25 19:48:11,174 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2021-11-25 19:48:11,174 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2021-11-25 19:48:11,174 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-25 19:48:11,174 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-25 19:48:11,174 INFO L130 BoogieDeclarations]: Found specification of procedure async_mode [2021-11-25 19:48:11,175 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mode [2021-11-25 19:48:11,175 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2021-11-25 19:48:11,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2021-11-25 19:48:11,175 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-11-25 19:48:11,175 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-11-25 19:48:11,175 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-25 19:48:11,176 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-25 19:48:11,176 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-25 19:48:11,176 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-25 19:48:11,176 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-25 19:48:11,176 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-25 19:48:11,176 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2021-11-25 19:48:11,177 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2021-11-25 19:48:11,177 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-25 19:48:11,177 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-25 19:48:11,177 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2021-11-25 19:48:11,177 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2021-11-25 19:48:11,177 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-25 19:48:11,178 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-25 19:48:11,178 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-25 19:48:11,178 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-25 19:48:11,178 INFO L130 BoogieDeclarations]: Found specification of procedure update_tx_timer [2021-11-25 19:48:11,178 INFO L138 BoogieDeclarations]: Found implementation of procedure update_tx_timer [2021-11-25 19:48:11,178 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bufs [2021-11-25 19:48:11,179 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bufs [2021-11-25 19:48:11,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 19:48:11,179 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-25 19:48:11,179 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-25 19:48:11,179 INFO L130 BoogieDeclarations]: Found specification of procedure msc_set_vcr [2021-11-25 19:48:11,179 INFO L138 BoogieDeclarations]: Found implementation of procedure msc_set_vcr [2021-11-25 19:48:11,180 INFO L130 BoogieDeclarations]: Found specification of procedure isr_txeom [2021-11-25 19:48:11,180 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_txeom [2021-11-25 19:48:11,180 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 19:48:11,180 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 19:48:11,180 INFO L130 BoogieDeclarations]: Found specification of procedure setup_timer_key [2021-11-25 19:48:11,180 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_timer_key [2021-11-25 19:48:11,181 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-25 19:48:11,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-25 19:48:11,181 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_reset [2021-11-25 19:48:11,181 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_reset [2021-11-25 19:48:11,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 19:48:11,181 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2021-11-25 19:48:11,182 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2021-11-25 19:48:11,182 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2021-11-25 19:48:11,182 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2021-11-25 19:48:11,182 INFO L130 BoogieDeclarations]: Found specification of procedure slgt_cleanup [2021-11-25 19:48:11,182 INFO L138 BoogieDeclarations]: Found implementation of procedure slgt_cleanup [2021-11-25 19:48:11,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:48:11,183 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-25 19:48:11,183 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-25 19:48:11,183 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-25 19:48:11,183 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-25 19:48:11,183 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2021-11-25 19:48:11,183 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2021-11-25 19:48:11,184 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2021-11-25 19:48:11,184 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2021-11-25 19:48:11,184 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-25 19:48:11,184 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-25 19:48:11,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 19:48:11,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 19:48:11,184 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2021-11-25 19:48:11,185 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2021-11-25 19:48:11,185 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-25 19:48:11,185 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-25 19:48:11,185 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 19:48:11,185 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 19:48:11,185 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load [2021-11-25 19:48:11,186 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load [2021-11-25 19:48:11,186 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg32 [2021-11-25 19:48:11,186 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg32 [2021-11-25 19:48:11,186 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2021-11-25 19:48:11,186 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2021-11-25 19:48:11,186 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-25 19:48:11,186 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-25 19:48:11,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:48:11,187 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-25 19:48:11,187 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-25 19:48:11,187 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2021-11-25 19:48:11,187 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2021-11-25 19:48:11,187 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg32 [2021-11-25 19:48:11,187 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg32 [2021-11-25 19:48:11,188 INFO L130 BoogieDeclarations]: Found specification of procedure isr_rxdata [2021-11-25 19:48:11,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_rxdata [2021-11-25 19:48:11,188 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2021-11-25 19:48:11,188 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2021-11-25 19:48:11,188 INFO L130 BoogieDeclarations]: Found specification of procedure tbuf_bytes [2021-11-25 19:48:11,188 INFO L138 BoogieDeclarations]: Found implementation of procedure tbuf_bytes [2021-11-25 19:48:11,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:48:11,189 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-11-25 19:48:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-11-25 19:48:11,189 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-25 19:48:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-25 19:48:11,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:48:11,189 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2021-11-25 19:48:11,190 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2021-11-25 19:48:11,190 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2021-11-25 19:48:11,190 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2021-11-25 19:48:11,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:48:11,190 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 19:48:11,190 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg16 [2021-11-25 19:48:11,190 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg16 [2021-11-25 19:48:11,191 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2021-11-25 19:48:11,191 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2021-11-25 19:48:11,191 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-25 19:48:11,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-25 19:48:11,191 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg16 [2021-11-25 19:48:11,191 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg16 [2021-11-25 19:48:11,191 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-25 19:48:11,192 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-25 19:48:11,192 INFO L130 BoogieDeclarations]: Found specification of procedure sync_mode [2021-11-25 19:48:11,192 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_mode [2021-11-25 19:48:11,192 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2021-11-25 19:48:11,192 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2021-11-25 19:48:11,192 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2021-11-25 19:48:11,192 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2021-11-25 19:48:11,193 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 19:48:11,193 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 19:48:11,193 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2021-11-25 19:48:11,193 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2021-11-25 19:48:11,193 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-25 19:48:11,193 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-25 19:48:11,194 INFO L130 BoogieDeclarations]: Found specification of procedure free_tmp_rbuf [2021-11-25 19:48:11,194 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tmp_rbuf [2021-11-25 19:48:11,194 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-25 19:48:11,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-25 19:48:11,194 INFO L130 BoogieDeclarations]: Found specification of procedure tdma_reset [2021-11-25 19:48:11,194 INFO L138 BoogieDeclarations]: Found implementation of procedure tdma_reset [2021-11-25 19:48:11,194 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2021-11-25 19:48:11,195 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2021-11-25 19:48:11,195 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-25 19:48:11,195 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-25 19:48:11,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:48:11,195 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2021-11-25 19:48:11,195 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2021-11-25 19:48:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2021-11-25 19:48:11,196 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2021-11-25 19:48:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg8 [2021-11-25 19:48:11,196 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg8 [2021-11-25 19:48:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2021-11-25 19:48:11,196 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2021-11-25 19:48:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:48:11,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:48:12,169 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:48:12,172 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:48:12,438 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-25 19:48:12,484 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2021-11-25 19:48:12,484 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2021-11-25 19:48:12,769 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-11-25 19:48:12,769 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-11-25 19:48:13,353 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-25 19:48:13,469 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2021-11-25 19:48:13,469 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2021-11-25 19:48:13,710 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-25 19:48:13,713 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-25 19:48:13,835 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !false; [2021-11-25 19:48:13,836 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume false; [2021-11-25 19:48:13,836 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume !false; [2021-11-25 19:48:13,836 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume false; [2021-11-25 19:48:14,008 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-25 19:48:29,240 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L10940: SUMMARY for call modem_input_wait_#t~ret1364#1.base, modem_input_wait_#t~ret1364#1.offset := get_current(); srcloc: null [2021-11-25 19:48:29,241 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L10940-1: modem_input_wait_~tmp___8~2#1.base, modem_input_wait_~tmp___8~2#1.offset := modem_input_wait_#t~ret1364#1.base, modem_input_wait_#t~ret1364#1.offset;havoc modem_input_wait_#t~ret1364#1.base, modem_input_wait_#t~ret1364#1.offset;modem_input_wait_~__ptr___3~1#1.base, modem_input_wait_~__ptr___3~1#1.offset := modem_input_wait_~tmp___8~2#1.base, modem_input_wait_~tmp___8~2#1.offset; [2021-11-25 19:48:29,241 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L10882: SUMMARY for call modem_input_wait_#t~ret1333#1.base, modem_input_wait_#t~ret1333#1.offset := get_current(); srcloc: null [2021-11-25 19:48:29,241 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L10882-1: modem_input_wait_~tmp___1~21#1.base, modem_input_wait_~tmp___1~21#1.offset := modem_input_wait_#t~ret1333#1.base, modem_input_wait_#t~ret1333#1.offset;havoc modem_input_wait_#t~ret1333#1.base, modem_input_wait_#t~ret1333#1.offset;modem_input_wait_~__ptr~3#1.base, modem_input_wait_~__ptr~3#1.offset := modem_input_wait_~tmp___1~21#1.base, modem_input_wait_~tmp___1~21#1.offset; [2021-11-25 19:48:29,241 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##265: assume !false; [2021-11-25 19:48:29,241 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##264: assume false; [2021-11-25 19:48:29,242 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##276: assume false; [2021-11-25 19:48:29,242 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##277: assume !false; [2021-11-25 19:48:29,242 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##232: assume false; [2021-11-25 19:48:29,242 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##233: assume !false; [2021-11-25 19:48:29,242 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##241: assume !false; [2021-11-25 19:48:29,242 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##240: assume false; [2021-11-25 19:48:29,242 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11037-1: modem_input_wait_~tmp___12~1#1.base, modem_input_wait_~tmp___12~1#1.offset := modem_input_wait_#t~ret1407#1.base, modem_input_wait_#t~ret1407#1.offset;havoc modem_input_wait_#t~ret1407#1.base, modem_input_wait_#t~ret1407#1.offset;modem_input_wait_~__ptr___7~1#1.base, modem_input_wait_~__ptr___7~1#1.offset := modem_input_wait_~tmp___12~1#1.base, modem_input_wait_~tmp___12~1#1.offset; [2021-11-25 19:48:29,242 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11037: SUMMARY for call modem_input_wait_#t~ret1407#1.base, modem_input_wait_#t~ret1407#1.offset := get_current(); srcloc: null [2021-11-25 19:48:29,243 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##304: assume !false; [2021-11-25 19:48:29,243 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##303: assume false; [2021-11-25 19:48:29,243 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L10655-1: remove_cond_wait_~tmp~91#1.base, remove_cond_wait_~tmp~91#1.offset := remove_cond_wait_#t~ret1268#1.base, remove_cond_wait_#t~ret1268#1.offset;havoc remove_cond_wait_#t~ret1268#1.base, remove_cond_wait_#t~ret1268#1.offset;remove_cond_wait_~__ptr~2#1.base, remove_cond_wait_~__ptr~2#1.offset := remove_cond_wait_~tmp~91#1.base, remove_cond_wait_~tmp~91#1.offset; [2021-11-25 19:48:29,243 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L10655: SUMMARY for call remove_cond_wait_#t~ret1268#1.base, remove_cond_wait_#t~ret1268#1.offset := get_current(); srcloc: null [2021-11-25 19:48:29,243 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L10195: SUMMARY for call wait_mgsl_event_#t~ret1204#1.base, wait_mgsl_event_#t~ret1204#1.offset := get_current(); srcloc: null [2021-11-25 19:48:29,243 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L10195-1: wait_mgsl_event_~tmp___26~0#1.base, wait_mgsl_event_~tmp___26~0#1.offset := wait_mgsl_event_#t~ret1204#1.base, wait_mgsl_event_#t~ret1204#1.offset;havoc wait_mgsl_event_#t~ret1204#1.base, wait_mgsl_event_#t~ret1204#1.offset;wait_mgsl_event_~__ptr___7~0#1.base, wait_mgsl_event_~__ptr___7~0#1.offset := wait_mgsl_event_~tmp___26~0#1.base, wait_mgsl_event_~tmp___26~0#1.offset; [2021-11-25 19:48:29,243 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L10592: SUMMARY for call add_cond_wait_#t~ret1263#1.base, add_cond_wait_#t~ret1263#1.offset := get_current(); srcloc: null [2021-11-25 19:48:29,243 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L10592-1: add_cond_wait_~tmp~90#1.base, add_cond_wait_~tmp~90#1.offset := add_cond_wait_#t~ret1263#1.base, add_cond_wait_#t~ret1263#1.offset;havoc add_cond_wait_#t~ret1263#1.base, add_cond_wait_#t~ret1263#1.offset;add_cond_wait_~__ptr~1#1.base, add_cond_wait_~__ptr~1#1.offset := add_cond_wait_~tmp~90#1.base, add_cond_wait_~tmp~90#1.offset; [2021-11-25 19:48:29,244 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L10064: SUMMARY for call wait_mgsl_event_#t~ret1129#1.base, wait_mgsl_event_#t~ret1129#1.offset := get_current(); srcloc: null [2021-11-25 19:48:29,244 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L10064-1: wait_mgsl_event_~tmp___13~0#1.base, wait_mgsl_event_~tmp___13~0#1.offset := wait_mgsl_event_#t~ret1129#1.base, wait_mgsl_event_#t~ret1129#1.offset;havoc wait_mgsl_event_#t~ret1129#1.base, wait_mgsl_event_#t~ret1129#1.offset;wait_mgsl_event_~__ptr___3~0#1.base, wait_mgsl_event_~__ptr___3~0#1.offset := wait_mgsl_event_~tmp___13~0#1.base, wait_mgsl_event_~tmp___13~0#1.offset; [2021-11-25 19:48:29,244 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2021-11-25 19:48:29,244 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2021-11-25 19:48:29,244 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume !false; [2021-11-25 19:48:29,244 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##68: assume false; [2021-11-25 19:48:29,244 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##195: assume false; [2021-11-25 19:48:29,244 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##196: assume !false; [2021-11-25 19:48:29,244 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume !false; [2021-11-25 19:48:29,245 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume false; [2021-11-25 19:48:29,245 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##139: assume !false; [2021-11-25 19:48:29,245 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##138: assume false; [2021-11-25 19:48:29,245 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L10004: SUMMARY for call wait_mgsl_event_#t~ret1090#1.base, wait_mgsl_event_#t~ret1090#1.offset := get_current(); srcloc: null [2021-11-25 19:48:29,245 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L10004-1: wait_mgsl_event_~tmp___6~1#1.base, wait_mgsl_event_~tmp___6~1#1.offset := wait_mgsl_event_#t~ret1090#1.base, wait_mgsl_event_#t~ret1090#1.offset;havoc wait_mgsl_event_#t~ret1090#1.base, wait_mgsl_event_#t~ret1090#1.offset;wait_mgsl_event_~__ptr~0#1.base, wait_mgsl_event_~__ptr~0#1.offset := wait_mgsl_event_~tmp___6~1#1.base, wait_mgsl_event_~tmp___6~1#1.offset; [2021-11-25 19:48:29,245 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume false; [2021-11-25 19:48:29,245 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##151: assume !false; [2021-11-25 19:48:29,245 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##150: assume false; [2021-11-25 19:48:29,246 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##390: assume !false; [2021-11-25 19:48:29,246 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##155: assume false; [2021-11-25 19:48:29,246 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##156: assume !false; [2021-11-25 19:48:29,246 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2021-11-25 19:48:29,246 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2021-11-25 19:48:29,246 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##327: assume !false; [2021-11-25 19:48:29,246 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##326: assume false; [2021-11-25 19:48:29,461 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-25 19:48:29,466 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-25 19:48:29,477 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-25 19:48:29,478 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-25 19:48:29,479 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-25 19:48:41,245 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##289: assume !false;call ULTIMATE.dealloc(hdlcdev_ioctl_~#new_line~0#1.base, hdlcdev_ioctl_~#new_line~0#1.offset);havoc hdlcdev_ioctl_~#new_line~0#1.base, hdlcdev_ioctl_~#new_line~0#1.offset; [2021-11-25 19:48:41,246 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume false; [2021-11-25 19:48:41,246 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume !false; [2021-11-25 19:48:41,246 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##300: assume false; [2021-11-25 19:48:41,246 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##323: assume !false; [2021-11-25 19:48:41,246 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume false; [2021-11-25 19:48:41,247 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11392: SUMMARY for call block_til_ready_#t~ret1467#1.base, block_til_ready_#t~ret1467#1.offset := get_current(); srcloc: null [2021-11-25 19:48:41,247 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11392-1: block_til_ready_~tmp___9~2#1.base, block_til_ready_~tmp___9~2#1.offset := block_til_ready_#t~ret1467#1.base, block_til_ready_#t~ret1467#1.offset;havoc block_til_ready_#t~ret1467#1.base, block_til_ready_#t~ret1467#1.offset;block_til_ready_~__ptr___3~2#1.base, block_til_ready_~__ptr___3~2#1.offset := block_til_ready_~tmp___9~2#1.base, block_til_ready_~tmp___9~2#1.offset; [2021-11-25 19:48:41,247 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##399: assume false; [2021-11-25 19:48:41,247 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##423: assume false; [2021-11-25 19:48:41,247 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##424: assume !false; [2021-11-25 19:48:41,248 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##400: assume !false; [2021-11-25 19:48:41,248 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11302-1: block_til_ready_~tmp___2~14#1.base, block_til_ready_~tmp___2~14#1.offset := block_til_ready_#t~ret1453#1.base, block_til_ready_#t~ret1453#1.offset;havoc block_til_ready_#t~ret1453#1.base, block_til_ready_#t~ret1453#1.offset;block_til_ready_~__ptr~4#1.base, block_til_ready_~__ptr~4#1.offset := block_til_ready_~tmp___2~14#1.base, block_til_ready_~tmp___2~14#1.offset; [2021-11-25 19:48:41,248 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11302: SUMMARY for call block_til_ready_#t~ret1453#1.base, block_til_ready_#t~ret1453#1.offset := get_current(); srcloc: null [2021-11-25 19:48:41,248 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##78: assume !false; [2021-11-25 19:48:41,248 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##77: assume false; [2021-11-25 19:48:41,249 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##133: assume !false; [2021-11-25 19:48:41,249 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume false; [2021-11-25 19:48:41,487 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:48:43,923 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:48:43,923 INFO L301 CfgBuilder]: Removed 17 assume(true) statements. [2021-11-25 19:48:43,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:48:43 BoogieIcfgContainer [2021-11-25 19:48:43,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:48:43,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:48:43,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:48:43,936 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:48:43,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:48:05" (1/3) ... [2021-11-25 19:48:43,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@196f6b3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:48:43, skipping insertion in model container [2021-11-25 19:48:43,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:48:10" (2/3) ... [2021-11-25 19:48:43,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@196f6b3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:48:43, skipping insertion in model container [2021-11-25 19:48:43,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:48:43" (3/3) ... [2021-11-25 19:48:43,940 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2021-11-25 19:48:43,949 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:48:43,949 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 19:48:44,023 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:48:44,041 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 19:48:44,041 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 19:48:44,125 INFO L276 IsEmpty]: Start isEmpty. Operand has 1955 states, 1238 states have (on average 1.4030694668820678) internal successors, (1737), 1313 states have internal predecessors, (1737), 627 states have call successors, (627), 98 states have call predecessors, (627), 98 states have return successors, (627), 607 states have call predecessors, (627), 627 states have call successors, (627) [2021-11-25 19:48:44,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 19:48:44,133 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:48:44,133 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:48:44,134 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:48:44,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:48:44,140 INFO L85 PathProgramCache]: Analyzing trace with hash -12841163, now seen corresponding path program 1 times [2021-11-25 19:48:44,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:48:44,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110583237] [2021-11-25 19:48:44,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:48:44,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:48:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:48:44,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:48:44,756 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:48:44,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110583237] [2021-11-25 19:48:44,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110583237] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:48:44,765 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:48:44,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:48:44,767 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896018473] [2021-11-25 19:48:44,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:48:44,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:48:44,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:48:44,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:48:44,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:48:44,845 INFO L87 Difference]: Start difference. First operand has 1955 states, 1238 states have (on average 1.4030694668820678) internal successors, (1737), 1313 states have internal predecessors, (1737), 627 states have call successors, (627), 98 states have call predecessors, (627), 98 states have return successors, (627), 607 states have call predecessors, (627), 627 states have call successors, (627) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:48:47,074 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:48:49,806 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:48:52,167 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:48:57,816 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:48:58,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:48:58,819 INFO L93 Difference]: Finished difference Result 5792 states and 8899 transitions. [2021-11-25 19:48:58,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:48:58,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2021-11-25 19:48:58,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:48:58,904 INFO L225 Difference]: With dead ends: 5792 [2021-11-25 19:48:58,904 INFO L226 Difference]: Without dead ends: 3790 [2021-11-25 19:48:58,930 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:48:58,938 INFO L933 BasicCegarLoop]: 3685 mSDtfsCounter, 2868 mSDsluCounter, 2951 mSDsCounter, 0 mSdLazyCounter, 866 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2870 SdHoareTripleChecker+Valid, 6264 SdHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 866 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:48:58,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2870 Valid, 6264 Invalid, 871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 866 Invalid, 3 Unknown, 0 Unchecked, 13.6s Time] [2021-11-25 19:48:58,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3790 states. [2021-11-25 19:48:59,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3790 to 3785. [2021-11-25 19:48:59,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3785 states, 2382 states have (on average 1.3950461796809404) internal successors, (3323), 2543 states have internal predecessors, (3323), 1213 states have call successors, (1213), 190 states have call predecessors, (1213), 189 states have return successors, (1213), 1170 states have call predecessors, (1213), 1211 states have call successors, (1213) [2021-11-25 19:48:59,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3785 states to 3785 states and 5749 transitions. [2021-11-25 19:48:59,377 INFO L78 Accepts]: Start accepts. Automaton has 3785 states and 5749 transitions. Word has length 12 [2021-11-25 19:48:59,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:48:59,378 INFO L470 AbstractCegarLoop]: Abstraction has 3785 states and 5749 transitions. [2021-11-25 19:48:59,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:48:59,384 INFO L276 IsEmpty]: Start isEmpty. Operand 3785 states and 5749 transitions. [2021-11-25 19:48:59,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 19:48:59,389 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:48:59,389 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:48:59,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:48:59,390 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:48:59,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:48:59,393 INFO L85 PathProgramCache]: Analyzing trace with hash 283312242, now seen corresponding path program 1 times [2021-11-25 19:48:59,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:48:59,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77888556] [2021-11-25 19:48:59,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:48:59,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:49:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:49:00,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:49:00,573 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:49:00,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77888556] [2021-11-25 19:49:00,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77888556] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:49:00,574 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:49:00,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:49:00,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431546474] [2021-11-25 19:49:00,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:49:00,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:49:00,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:49:00,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:49:00,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:49:00,578 INFO L87 Difference]: Start difference. First operand 3785 states and 5749 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:49:02,652 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:06,248 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:49:10,551 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:13,317 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:17,712 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:19,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:49:19,012 INFO L93 Difference]: Finished difference Result 5338 states and 8300 transitions. [2021-11-25 19:49:19,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:49:19,013 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2021-11-25 19:49:19,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:49:19,059 INFO L225 Difference]: With dead ends: 5338 [2021-11-25 19:49:19,060 INFO L226 Difference]: Without dead ends: 5333 [2021-11-25 19:49:19,064 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:49:19,071 INFO L933 BasicCegarLoop]: 3874 mSDtfsCounter, 1560 mSDsluCounter, 6658 mSDsCounter, 0 mSdLazyCounter, 1257 mSolverCounterSat, 539 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1829 SdHoareTripleChecker+Valid, 9785 SdHoareTripleChecker+Invalid, 1800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 539 IncrementalHoareTripleChecker+Valid, 1257 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:49:19,072 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1829 Valid, 9785 Invalid, 1800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [539 Valid, 1257 Invalid, 4 Unknown, 0 Unchecked, 18.1s Time] [2021-11-25 19:49:19,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5333 states. [2021-11-25 19:49:19,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5333 to 3787. [2021-11-25 19:49:19,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3787 states, 2384 states have (on average 1.394714765100671) internal successors, (3325), 2545 states have internal predecessors, (3325), 1213 states have call successors, (1213), 190 states have call predecessors, (1213), 189 states have return successors, (1213), 1170 states have call predecessors, (1213), 1211 states have call successors, (1213) [2021-11-25 19:49:19,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3787 states to 3787 states and 5751 transitions. [2021-11-25 19:49:19,359 INFO L78 Accepts]: Start accepts. Automaton has 3787 states and 5751 transitions. Word has length 14 [2021-11-25 19:49:19,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:49:19,359 INFO L470 AbstractCegarLoop]: Abstraction has 3787 states and 5751 transitions. [2021-11-25 19:49:19,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:49:19,360 INFO L276 IsEmpty]: Start isEmpty. Operand 3787 states and 5751 transitions. [2021-11-25 19:49:19,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 19:49:19,369 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:49:19,369 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:49:19,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:49:19,370 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:49:19,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:49:19,371 INFO L85 PathProgramCache]: Analyzing trace with hash -983709737, now seen corresponding path program 1 times [2021-11-25 19:49:19,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:49:19,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970347412] [2021-11-25 19:49:19,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:49:19,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:49:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:49:20,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:49:20,310 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:49:20,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970347412] [2021-11-25 19:49:20,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970347412] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:49:20,310 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:49:20,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:49:20,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052635099] [2021-11-25 19:49:20,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:49:20,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:49:20,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:49:20,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:49:20,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:49:20,313 INFO L87 Difference]: Start difference. First operand 3787 states and 5751 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:49:22,386 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:24,695 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:26,725 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:31,174 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:49:33,282 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:49:37,292 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:40,558 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:51,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:49:51,087 INFO L93 Difference]: Finished difference Result 9547 states and 14510 transitions. [2021-11-25 19:49:51,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:49:51,088 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 22 [2021-11-25 19:49:51,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:49:51,161 INFO L225 Difference]: With dead ends: 9547 [2021-11-25 19:49:51,161 INFO L226 Difference]: Without dead ends: 7605 [2021-11-25 19:49:51,177 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:49:51,178 INFO L933 BasicCegarLoop]: 5882 mSDtfsCounter, 5877 mSDsluCounter, 4947 mSDsCounter, 0 mSdLazyCounter, 4072 mSolverCounterSat, 6 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5881 SdHoareTripleChecker+Valid, 10030 SdHoareTripleChecker+Invalid, 4084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 4072 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:49:51,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5881 Valid, 10030 Invalid, 4084 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 4072 Invalid, 6 Unknown, 0 Unchecked, 30.2s Time] [2021-11-25 19:49:51,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7605 states. [2021-11-25 19:49:51,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7605 to 7593. [2021-11-25 19:49:51,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7593 states, 4778 states have (on average 1.3955629970699037) internal successors, (6668), 5098 states have internal predecessors, (6668), 2437 states have call successors, (2437), 379 states have call predecessors, (2437), 377 states have return successors, (2442), 2350 states have call predecessors, (2442), 2435 states have call successors, (2442) [2021-11-25 19:49:51,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7593 states to 7593 states and 11547 transitions. [2021-11-25 19:49:51,768 INFO L78 Accepts]: Start accepts. Automaton has 7593 states and 11547 transitions. Word has length 22 [2021-11-25 19:49:51,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:49:51,768 INFO L470 AbstractCegarLoop]: Abstraction has 7593 states and 11547 transitions. [2021-11-25 19:49:51,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:49:51,769 INFO L276 IsEmpty]: Start isEmpty. Operand 7593 states and 11547 transitions. [2021-11-25 19:49:51,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 19:49:51,772 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:49:51,772 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:49:51,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 19:49:51,772 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:49:51,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:49:51,773 INFO L85 PathProgramCache]: Analyzing trace with hash -2038800537, now seen corresponding path program 1 times [2021-11-25 19:49:51,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:49:51,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38195060] [2021-11-25 19:49:51,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:49:51,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:49:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:49:52,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:49:52,995 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:49:52,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38195060] [2021-11-25 19:49:52,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38195060] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:49:52,996 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:49:52,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:49:52,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133469540] [2021-11-25 19:49:52,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:49:52,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:49:52,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:49:52,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:49:52,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:49:52,998 INFO L87 Difference]: Start difference. First operand 7593 states and 11547 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-25 19:49:55,054 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:58,209 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:50:00,287 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:02,650 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:04,683 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:06,486 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:09,446 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:10,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:50:10,684 INFO L93 Difference]: Finished difference Result 17107 states and 26009 transitions. [2021-11-25 19:50:10,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:50:10,685 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2021-11-25 19:50:10,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:50:10,771 INFO L225 Difference]: With dead ends: 17107 [2021-11-25 19:50:10,771 INFO L226 Difference]: Without dead ends: 11359 [2021-11-25 19:50:10,802 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:50:10,803 INFO L933 BasicCegarLoop]: 3346 mSDtfsCounter, 2870 mSDsluCounter, 2937 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2872 SdHoareTripleChecker+Valid, 5913 SdHoareTripleChecker+Invalid, 794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:50:10,803 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2872 Valid, 5913 Invalid, 794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 789 Invalid, 4 Unknown, 0 Unchecked, 17.3s Time] [2021-11-25 19:50:10,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11359 states. [2021-11-25 19:50:11,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11359 to 11349. [2021-11-25 19:50:11,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11349 states, 7142 states have (on average 1.394707364883786) internal successors, (9961), 7624 states have internal predecessors, (9961), 3636 states have call successors, (3636), 572 states have call predecessors, (3636), 570 states have return successors, (3645), 3507 states have call predecessors, (3645), 3634 states have call successors, (3645) [2021-11-25 19:50:11,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11349 states to 11349 states and 17242 transitions. [2021-11-25 19:50:11,735 INFO L78 Accepts]: Start accepts. Automaton has 11349 states and 17242 transitions. Word has length 25 [2021-11-25 19:50:11,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:50:11,736 INFO L470 AbstractCegarLoop]: Abstraction has 11349 states and 17242 transitions. [2021-11-25 19:50:11,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-25 19:50:11,737 INFO L276 IsEmpty]: Start isEmpty. Operand 11349 states and 17242 transitions. [2021-11-25 19:50:11,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-25 19:50:11,745 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:50:11,745 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:50:11,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 19:50:11,746 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:50:11,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:50:11,746 INFO L85 PathProgramCache]: Analyzing trace with hash -181817682, now seen corresponding path program 1 times [2021-11-25 19:50:11,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:50:11,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81330482] [2021-11-25 19:50:11,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:50:11,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:50:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:50:11,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:50:11,925 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:50:11,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81330482] [2021-11-25 19:50:11,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81330482] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:50:11,926 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:50:11,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:50:11,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106689719] [2021-11-25 19:50:11,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:50:11,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:50:11,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:50:11,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:50:11,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:50:11,928 INFO L87 Difference]: Start difference. First operand 11349 states and 17242 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 19:50:13,989 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:16,479 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:18,183 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:20,446 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:50:23,101 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:26,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:50:26,527 INFO L93 Difference]: Finished difference Result 15296 states and 23208 transitions. [2021-11-25 19:50:26,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:50:26,527 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 38 [2021-11-25 19:50:26,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:50:26,573 INFO L225 Difference]: With dead ends: 15296 [2021-11-25 19:50:26,574 INFO L226 Difference]: Without dead ends: 9518 [2021-11-25 19:50:26,602 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:50:26,603 INFO L933 BasicCegarLoop]: 2582 mSDtfsCounter, 1 mSDsluCounter, 5908 mSDsCounter, 0 mSdLazyCounter, 1130 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 7743 SdHoareTripleChecker+Invalid, 1133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1130 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:50:26,604 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 7743 Invalid, 1133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1130 Invalid, 3 Unknown, 0 Unchecked, 14.3s Time] [2021-11-25 19:50:26,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9518 states. [2021-11-25 19:50:27,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9518 to 9518. [2021-11-25 19:50:27,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9518 states, 5988 states have (on average 1.3942885771543085) internal successors, (8349), 6392 states have internal predecessors, (8349), 3050 states have call successors, (3050), 481 states have call predecessors, (3050), 479 states have return successors, (3057), 2942 states have call predecessors, (3057), 3048 states have call successors, (3057) [2021-11-25 19:50:27,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9518 states to 9518 states and 14456 transitions. [2021-11-25 19:50:27,258 INFO L78 Accepts]: Start accepts. Automaton has 9518 states and 14456 transitions. Word has length 38 [2021-11-25 19:50:27,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:50:27,259 INFO L470 AbstractCegarLoop]: Abstraction has 9518 states and 14456 transitions. [2021-11-25 19:50:27,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 19:50:27,259 INFO L276 IsEmpty]: Start isEmpty. Operand 9518 states and 14456 transitions. [2021-11-25 19:50:27,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 19:50:27,266 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:50:27,266 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:50:27,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 19:50:27,267 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:50:27,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:50:27,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1528956966, now seen corresponding path program 1 times [2021-11-25 19:50:27,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:50:27,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986579116] [2021-11-25 19:50:27,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:50:27,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:50:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:50:28,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:50:28,702 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:50:28,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986579116] [2021-11-25 19:50:28,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986579116] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:50:28,703 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:50:28,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:50:28,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279007437] [2021-11-25 19:50:28,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:50:28,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:50:28,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:50:28,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:50:28,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:50:28,704 INFO L87 Difference]: Start difference. First operand 9518 states and 14456 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-25 19:50:30,772 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:33,955 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:50:36,063 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:38,688 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:40,723 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:43,090 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:50,134 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:51,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:50:51,590 INFO L93 Difference]: Finished difference Result 21294 states and 32652 transitions. [2021-11-25 19:50:51,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:50:51,590 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 44 [2021-11-25 19:50:51,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:50:51,662 INFO L225 Difference]: With dead ends: 21294 [2021-11-25 19:50:51,663 INFO L226 Difference]: Without dead ends: 15450 [2021-11-25 19:50:51,694 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:50:51,695 INFO L933 BasicCegarLoop]: 3642 mSDtfsCounter, 5261 mSDsluCounter, 3408 mSDsCounter, 0 mSdLazyCounter, 1482 mSolverCounterSat, 1215 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5531 SdHoareTripleChecker+Valid, 6531 SdHoareTripleChecker+Invalid, 2703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1215 IncrementalHoareTripleChecker+Valid, 1482 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:50:51,695 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5531 Valid, 6531 Invalid, 2703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1215 Valid, 1482 Invalid, 6 Unknown, 0 Unchecked, 22.3s Time] [2021-11-25 19:50:51,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15450 states. [2021-11-25 19:50:52,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15450 to 13190. [2021-11-25 19:50:52,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13190 states, 8302 states have (on average 1.3947241628523248) internal successors, (11579), 8860 states have internal predecessors, (11579), 4224 states have call successors, (4224), 665 states have call predecessors, (4224), 663 states have return successors, (4235), 4076 states have call predecessors, (4235), 4222 states have call successors, (4235) [2021-11-25 19:50:52,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13190 states to 13190 states and 20038 transitions. [2021-11-25 19:50:52,790 INFO L78 Accepts]: Start accepts. Automaton has 13190 states and 20038 transitions. Word has length 44 [2021-11-25 19:50:52,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:50:52,792 INFO L470 AbstractCegarLoop]: Abstraction has 13190 states and 20038 transitions. [2021-11-25 19:50:52,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-25 19:50:52,792 INFO L276 IsEmpty]: Start isEmpty. Operand 13190 states and 20038 transitions. [2021-11-25 19:50:52,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 19:50:52,797 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:50:52,797 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:50:52,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 19:50:52,798 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:50:52,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:50:52,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1641653114, now seen corresponding path program 1 times [2021-11-25 19:50:52,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:50:52,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66860210] [2021-11-25 19:50:52,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:50:52,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:50:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 19:50:54,368 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 19:50:54,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 19:50:54,916 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-25 19:50:54,917 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-25 19:50:54,918 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 19:50:54,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 19:50:54,922 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:50:54,925 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 19:50:55,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 07:50:55 BoogieIcfgContainer [2021-11-25 19:50:55,075 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 19:50:55,076 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 19:50:55,076 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 19:50:55,076 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 19:50:55,077 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:48:43" (3/4) ... [2021-11-25 19:50:55,079 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-25 19:50:55,080 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 19:50:55,080 INFO L158 Benchmark]: Toolchain (without parser) took 169175.32ms. Allocated memory was 117.4MB in the beginning and 1.0GB in the end (delta: 906.0MB). Free memory was 74.8MB in the beginning and 362.1MB in the end (delta: -287.3MB). Peak memory consumption was 618.1MB. Max. memory is 16.1GB. [2021-11-25 19:50:55,081 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:50:55,081 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4384.17ms. Allocated memory was 117.4MB in the beginning and 304.1MB in the end (delta: 186.6MB). Free memory was 74.4MB in the beginning and 183.5MB in the end (delta: -109.1MB). Peak memory consumption was 126.6MB. Max. memory is 16.1GB. [2021-11-25 19:50:55,081 INFO L158 Benchmark]: Boogie Procedure Inliner took 447.11ms. Allocated memory is still 304.1MB. Free memory was 183.5MB in the beginning and 135.3MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2021-11-25 19:50:55,082 INFO L158 Benchmark]: Boogie Preprocessor took 347.41ms. Allocated memory is still 304.1MB. Free memory was 135.3MB in the beginning and 164.9MB in the end (delta: -29.7MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2021-11-25 19:50:55,083 INFO L158 Benchmark]: RCFGBuilder took 32842.32ms. Allocated memory was 304.1MB in the beginning and 834.7MB in the end (delta: 530.6MB). Free memory was 164.9MB in the beginning and 278.2MB in the end (delta: -113.2MB). Peak memory consumption was 482.9MB. Max. memory is 16.1GB. [2021-11-25 19:50:55,083 INFO L158 Benchmark]: TraceAbstraction took 131142.80ms. Allocated memory was 834.7MB in the beginning and 1.0GB in the end (delta: 188.7MB). Free memory was 277.1MB in the beginning and 363.1MB in the end (delta: -86.0MB). Peak memory consumption was 104.9MB. Max. memory is 16.1GB. [2021-11-25 19:50:55,084 INFO L158 Benchmark]: Witness Printer took 4.12ms. Allocated memory is still 1.0GB. Free memory was 363.1MB in the beginning and 362.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:50:55,086 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4384.17ms. Allocated memory was 117.4MB in the beginning and 304.1MB in the end (delta: 186.6MB). Free memory was 74.4MB in the beginning and 183.5MB in the end (delta: -109.1MB). Peak memory consumption was 126.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 447.11ms. Allocated memory is still 304.1MB. Free memory was 183.5MB in the beginning and 135.3MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 347.41ms. Allocated memory is still 304.1MB. Free memory was 135.3MB in the beginning and 164.9MB in the end (delta: -29.7MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * RCFGBuilder took 32842.32ms. Allocated memory was 304.1MB in the beginning and 834.7MB in the end (delta: 530.6MB). Free memory was 164.9MB in the beginning and 278.2MB in the end (delta: -113.2MB). Peak memory consumption was 482.9MB. Max. memory is 16.1GB. * TraceAbstraction took 131142.80ms. Allocated memory was 834.7MB in the beginning and 1.0GB in the end (delta: 188.7MB). Free memory was 277.1MB in the beginning and 363.1MB in the end (delta: -86.0MB). Peak memory consumption was 104.9MB. Max. memory is 16.1GB. * Witness Printer took 4.12ms. Allocated memory is still 1.0GB. Free memory was 363.1MB in the beginning and 362.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 14623]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 12224. Possible FailurePath: [L5747] static char *driver_name = (char *)"SyncLink GT"; [L5748] static char *tty_driver_name = (char *)"synclink_gt"; [L5749] static char *tty_dev_prefix = (char *)"ttySLG"; [L5750-L5754] static struct pci_device_id pci_table[5U] = { {5056U, 112U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {5056U, 160U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {5056U, 128U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {5056U, 144U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {0U, 0U, 0U, 0U, 0U, 0U, 0UL}}; [L5755] struct pci_device_id const __mod_pci_device_table ; [L5758-L5773] static struct pci_driver pci_driver = {{(struct list_head *)0, (struct list_head *)0}, "synclink_gt", (struct pci_device_id const *)(& pci_table), & init_one, & remove_one, (int (*)(struct pci_dev * , pm_message_t ))0, (int (*)(struct pci_dev * , pm_message_t ))0, (int (*)(struct pci_dev * ))0, (int (*)(struct pci_dev * ))0, (void (*)(struct pci_dev * ))0, (struct pci_error_handlers *)0, {(char const *)0, (struct bus_type *)0, (struct module *)0, (char const *)0, (_Bool)0, (struct of_device_id const *)0, (int (*)(struct device * ))0, (int (*)(struct device * ))0, (void (*)(struct device * ))0, (int (*)(struct device * , pm_message_t ))0, (int (*)(struct device * ))0, (struct attribute_group const **)0, (struct dev_pm_ops const *)0, (struct driver_private *)0}, {{{{{0U}, 0U, 0U, (void *)0, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, (char const *)0, 0, 0UL}}}}, {(struct list_head *)0, (struct list_head *)0}}}; [L5774] static bool pci_registered ; [L5775] static struct slgt_info *slgt_device_list ; [L5776] static int slgt_device_count ; [L5777] static int ttymajor ; [L5778] static int debug_level ; [L5779] static int maxframe[32U] ; [L5780] static struct tty_driver *serial_driver ; [L5807-L5810] static MGSL_PARAMS default_params = {2UL, (unsigned char)0, (unsigned short)1, (unsigned char)3, 0UL, (unsigned char)255, (unsigned short)1, (unsigned char)0, (unsigned char)0, 9600UL, (unsigned char)8, (unsigned char)1, (unsigned char)0}; [L7413-L7440] static struct file_operations const synclink_gt_proc_fops = {& __this_module, & seq_lseek, & seq_read, (ssize_t (*)(struct file * , char const * , size_t , loff_t * ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (int (*)(struct file * , void * , int (*)(void * , char const * , int , loff_t , u64 , unsigned int ) ))0, (unsigned int (*)(struct file * , struct poll_table_struct * ))0, (long (*)(struct file * , unsigned int , unsigned long ))0, (long (*)(struct file * , unsigned int , unsigned long ))0, (int (*)(struct file * , struct vm_area_struct * ))0, & synclink_gt_proc_open, (int (*)(struct file * , fl_owner_t ))0, & single_release, (int (*)(struct file * , int ))0, (int (*)(struct kiocb * , int ))0, (int (*)(int , struct file * , int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct file * , struct page * , int , size_t , loff_t * , int ))0, (unsigned long (*)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ))0, (int (*)(int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ))0, (ssize_t (*)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ))0, (int (*)(struct file * , long , struct file_lock ** ))0, (long (*)(struct file * , int , loff_t , loff_t ))0}; [L8109-L8142] static struct net_device_ops const hdlcdev_ops = {(int (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, & hdlcdev_open, & hdlcdev_close, & hdlc_start_xmit, (u16 (*)(struct net_device * , struct sk_buff * ))0, (void (*)(struct net_device * , int ))0, (void (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , void * ))0, (int (*)(struct net_device * ))0, & hdlcdev_ioctl, (int (*)(struct net_device * , struct ifmap * ))0, & hdlc_change_mtu, (int (*)(struct net_device * , struct neigh_parms * ))0, & hdlcdev_tx_timeout, (struct rtnl_link_stats64 *(*)(struct net_device * , struct rtnl_link_stats64 * ))0, (struct net_device_stats *(*)(struct net_device * ))0, (void (*)(struct net_device * , struct vlan_group * ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , struct netpoll_info * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , int , u8 * ))0, (int (*)(struct net_device * , int , u16 , u8 ))0, (int (*)(struct net_device * , int , int ))0, (int (*)(struct net_device * , int , struct ifla_vf_info * ))0, (int (*)(struct net_device * , int , struct nlattr ** ))0, (int (*)(struct net_device * , int , struct sk_buff * ))0, (int (*)(struct net_device * , u8 ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u16 ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u64 * , int ))0, (int (*)(struct net_device * , struct sk_buff const * , u16 , u32 ))0, (int (*)(struct net_device * , struct net_device * ))0, (int (*)(struct net_device * , struct net_device * ))0, (u32 (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * , u32 ))0}; [L11815-L11816] static struct tty_port_operations const slgt_port_ops = {& carrier_raised, & dtr_rts, (void (*)(struct tty_port * ))0, (void (*)(struct tty_port * ))0, (int (*)(struct tty_port * , struct tty_struct * ))0, (void (*)(struct tty_port * ))0}; [L12074-L12087] static struct tty_operations const ops = {(struct tty_struct *(*)(struct tty_driver * , struct inode * , int ))0, (int (*)(struct tty_driver * , struct tty_struct * ))0, (void (*)(struct tty_driver * , struct tty_struct * ))0, & open, & close, (void (*)(struct tty_struct * ))0, (void (*)(struct tty_struct * ))0, & write, & put_char, & flush_chars, & write_room, & chars_in_buffer, & ioctl, & slgt_compat_ioctl, & set_termios, & throttle, & unthrottle, & tx_hold, & tx_release, & hangup, & set_break, & flush_buffer, (void (*)(struct tty_struct * ))0, & wait_until_sent, & send_xchar, & tiocmget, & tiocmset, (int (*)(struct tty_struct * , struct winsize * ))0, (int (*)(struct tty_struct * , struct termiox * ))0, & get_icount, (int (*)(struct tty_driver * , int , char * ))0, (int (*)(struct tty_driver * , int ))0, (void (*)(struct tty_driver * , int , char ))0, & synclink_gt_proc_fops}; [L14221] int LDV_IN_INTERRUPT ; [L14627] int ldv_module_refcounter = 1; [L14223] struct pci_dev *var_group1 ; [L14224] struct pci_device_id const *var_init_one_102_p1 ; [L14225] int res_init_one_102 ; [L14226] struct inode *var_group2 ; [L14227] struct file *var_group3 ; [L14228] int res_synclink_gt_proc_open_26 ; [L14229] struct net_device *var_group4 ; [L14230] int res_hdlcdev_open_33 ; [L14231] int res_hdlcdev_close_34 ; [L14232] struct ifreq *var_group5 ; [L14233] int var_hdlcdev_ioctl_35_p2 ; [L14234] struct tty_port *var_group6 ; [L14235] int var_dtr_rts_87_p1 ; [L14236] struct tty_struct *var_group7 ; [L14237] int res_open_5 ; [L14238] unsigned char const *var_write_10_p1 ; [L14239] int var_write_10_p2 ; [L14240] unsigned char var_put_char_11_p1 ; [L14241] unsigned int var_ioctl_19_p1 ; [L14242] unsigned long var_ioctl_19_p2 ; [L14243] unsigned int var_slgt_compat_ioctl_23_p1 ; [L14244] unsigned long var_slgt_compat_ioctl_23_p2 ; [L14245] char var_send_xchar_12_p1 ; [L14246] int var_set_break_30_p1 ; [L14247] int var_wait_until_sent_13_p1 ; [L14248] struct ktermios *var_group8 ; [L14249] unsigned int var_tiocmset_85_p1 ; [L14250] unsigned int var_tiocmset_85_p2 ; [L14251] struct serial_icounter_struct *var_group9 ; [L14252] int var_slgt_interrupt_56_p0 ; [L14253] void *var_slgt_interrupt_56_p1 ; [L14254] int ldv_s_pci_driver_pci_driver ; [L14255] int ldv_s_synclink_gt_proc_fops_file_operations ; [L14256] int ldv_s_hdlcdev_ops_net_device_ops ; [L14257] int ldv_s_ops_tty_operations ; [L14258] int tmp ; [L14259] int tmp___0 ; [L14260] int tmp___1 ; [L14263] ldv_s_pci_driver_pci_driver = 0 [L14264] ldv_s_synclink_gt_proc_fops_file_operations = 0 [L14265] ldv_s_hdlcdev_ops_net_device_ops = 0 [L14266] ldv_s_ops_tty_operations = 0 [L14267] LDV_IN_INTERRUPT = 1 [L14268] FCALL ldv_initialize() [L14269] CALL, EXPR slgt_init() [L12178] int rc ; [L12182] CALL, EXPR alloc_tty_driver(32) [L14781] CALL, EXPR ldv_malloc(sizeof(struct tty_driver)) VAL [\old(size)=281, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:18446744073709551617}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=0, pci_table={190:0}, serial_driver={0:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, ttymajor=0] [L14728] COND FALSE !(__VERIFIER_nondet_bool()) [L14729] return malloc(size); [L14781] RET, EXPR ldv_malloc(sizeof(struct tty_driver)) VAL [\old(arg0)=32, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:18446744073709551617}, arg0=32, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct tty_driver))={-18446744073709551617:0}, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=0, pci_table={190:0}, serial_driver={0:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, ttymajor=0] [L14781] return ldv_malloc(sizeof(struct tty_driver)); [L12182] RET, EXPR alloc_tty_driver(32) [L12182] serial_driver = alloc_tty_driver(32) [L12184] COND FALSE !((unsigned long )serial_driver == (unsigned long )((struct tty_driver *)0)) [L12192] serial_driver->owner = & __this_module [L12193] serial_driver->driver_name = (char const *)tty_driver_name [L12194] serial_driver->name = (char const *)tty_dev_prefix [L12195] serial_driver->major = ttymajor [L12196] serial_driver->minor_start = 64 [L12197] serial_driver->type = (short)3 [L12198] serial_driver->subtype = (short)1 [L12199] serial_driver->init_termios = tty_std_termios [L12200] serial_driver->init_termios.c_cflag = 3261U [L12201] serial_driver->init_termios.c_ispeed = 9600U [L12202] serial_driver->init_termios.c_ospeed = 9600U [L12203] serial_driver->flags = 12 [L12204] FCALL tty_set_operations(serial_driver, & ops) [L12205] CALL, EXPR tty_register_driver(serial_driver) [L14995] return __VERIFIER_nondet_int(); [L12205] RET, EXPR tty_register_driver(serial_driver) [L12205] rc = tty_register_driver(serial_driver) [L12207] COND FALSE !(rc < 0) [L12222] serial_driver->major [L12223] slgt_device_count = 0 [L12224] CALL, EXPR __pci_register_driver(& pci_driver, & __this_module, "synclink_gt") [L14739] return __VERIFIER_nondet_int(); [L12224] RET, EXPR __pci_register_driver(& pci_driver, & __this_module, "synclink_gt") [L12224] rc = __pci_register_driver(& pci_driver, & __this_module, "synclink_gt") [L12226] COND FALSE !(rc < 0) [L12233] pci_registered = (bool )1 [L12234] COND TRUE (unsigned long )slgt_device_list == (unsigned long )((struct slgt_info *)0) [L12240] return (0); VAL [\result=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:18446744073709551617}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, printk("%s no devices found\n", driver_name)=18446744073709551653, rc=0, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551706:-42}, ttymajor=0] [L14269] RET, EXPR slgt_init() [L14269] tmp = slgt_init() [L14271] COND FALSE !(tmp != 0) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:18446744073709551617}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp=0, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551706:-42}, ttymajor=0] [L14589] tmp___1 = __VERIFIER_nondet_int() [L14591] COND TRUE tmp___1 != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:18446744073709551617}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp=0, tmp___1=1, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551706:-42}, ttymajor=0] [L14278] tmp___0 = __VERIFIER_nondet_int() [L14280] COND FALSE !(tmp___0 == 0) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:18446744073709551617}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp=0, tmp___0=2, tmp___1=1, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551706:-42}, ttymajor=0] [L14283] COND FALSE !(tmp___0 == 1) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:18446744073709551617}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp=0, tmp___0=2, tmp___1=1, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551706:-42}, ttymajor=0] [L14286] COND TRUE tmp___0 == 2 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:18446744073709551617}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp=0, tmp___0=2, tmp___1=1, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551706:-42}, ttymajor=0] [L14404] COND TRUE ldv_s_hdlcdev_ops_net_device_ops == 0 [L14406] CALL, EXPR hdlcdev_open(var_group4) [L7718] struct slgt_info *info ; [L7719] struct hdlc_device *tmp ; [L7720] int rc ; [L7721] unsigned long flags ; [L7722] int tmp___0 ; [L7723] raw_spinlock_t *tmp___1 ; [L7724] raw_spinlock_t *tmp___2 ; [L7725] raw_spinlock_t *tmp___3 ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:18446744073709551617}, debug_level=0, default_params={193:0}, dev={18446744073709551689:-2671}, dev={18446744073709551689:-2671}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551706:-42}, ttymajor=0] [L7728] CALL, EXPR dev_to_hdlc(dev) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:18446744073709551617}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551706:-42}, ttymajor=0] [L5713] void *tmp ; [L5716] CALL, EXPR netdev_priv((struct net_device const *)dev) [L5583] return ((void *)dev + 2560U); [L5716] RET, EXPR netdev_priv((struct net_device const *)dev) [L5716] tmp = netdev_priv((struct net_device const *)dev) [L5718] return ((struct hdlc_device *)tmp); [L7728] RET, EXPR dev_to_hdlc(dev) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:18446744073709551617}, debug_level=0, default_params={193:0}, dev={18446744073709551689:-2671}, dev={18446744073709551689:-2671}, dev_to_hdlc(dev)={18446744073709551689:-111}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551706:-42}, ttymajor=0] [L7728] tmp = dev_to_hdlc(dev) [L7729] EXPR tmp->priv [L7729] info = (struct slgt_info *)tmp->priv [L7730] CALL, EXPR ldv_try_module_get_1(& __this_module) [L14701] int tmp ; [L14704] CALL, EXPR ldv_try_module_get(module) [L14639] int module_get_succeeded ; [L14641] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) [L14643] CALL, EXPR ldv_undefined_int() [L14851] return __VERIFIER_nondet_int(); [L14643] RET, EXPR ldv_undefined_int() [L14643] module_get_succeeded = ldv_undefined_int() [L14645] COND TRUE module_get_succeeded == 1 [L14646] ldv_module_refcounter = ldv_module_refcounter + 1 [L14647] return (1); [L14704] RET, EXPR ldv_try_module_get(module) [L14704] tmp = ldv_try_module_get(module) [L14706] return (tmp); [L7730] RET, EXPR ldv_try_module_get_1(& __this_module) [L7730] tmp___0 = ldv_try_module_get_1(& __this_module) [L7732] COND FALSE !(tmp___0 == 0) [L7736] COND FALSE !(debug_level > 2) [L7743] CALL, EXPR hdlc_open(dev) [L14825] return __VERIFIER_nondet_int(); [L7743] RET, EXPR hdlc_open(dev) [L7743] rc = hdlc_open(dev) [L7745] COND TRUE rc != 0 [L7746] return (rc); VAL [\result=-4, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:18446744073709551617}, debug_level=0, default_params={193:0}, dev={18446744073709551689:-2671}, dev={18446744073709551689:-2671}, driver_name={8:0}, hdlcdev_ops={195:0}, info={18446744073709551659:18446744073709551664}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, printk("%s hdlcdev_open\n", (char *)(& dev->name))=18446744073709551646, rc=-4, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp={18446744073709551689:-111}, tmp___0=1, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551706:-42}, ttymajor=0] [L14406] RET, EXPR hdlcdev_open(var_group4) [L14406] res_hdlcdev_open_33 = hdlcdev_open(var_group4) [L14407] FCALL ldv_check_return_value(res_hdlcdev_open_33) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:18446744073709551617}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, res_hdlcdev_open_33=-4, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp=0, tmp___0=2, tmp___1=1, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551706:-42}, ttymajor=0, var_group4={18446744073709551689:-2671}] [L14409] COND TRUE res_hdlcdev_open_33 < 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:18446744073709551617}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, res_hdlcdev_open_33=-4, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp=0, tmp___0=2, tmp___1=1, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551706:-42}, ttymajor=0, var_group4={18446744073709551689:-2671}] [L14611] CALL slgt_exit() [L12252] CALL slgt_cleanup() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:18446744073709551617}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551706:-42}, ttymajor=0] [L12089] int rc ; [L12090] struct slgt_info *info ; [L12091] struct slgt_info *tmp ; [L12096] COND TRUE (unsigned long )serial_driver != (unsigned long )((struct tty_driver *)0) [L12097] info = slgt_device_list VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:18446744073709551617}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551706:-42}, ttymajor=0] [L12105] COND FALSE !((unsigned long )info != (unsigned long )((struct slgt_info *)0)) [L12112] CALL, EXPR tty_unregister_driver(serial_driver) [L15008] return __VERIFIER_nondet_int(); [L12112] RET, EXPR tty_unregister_driver(serial_driver) [L12112] rc = tty_unregister_driver(serial_driver) [L12114] COND TRUE rc != 0 [L12115] COND FALSE !(debug_level > 1) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:18446744073709551617}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, printk("tty_unregister_driver error=%d\n", rc)=18446744073709551635, rc=198, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551706:-42}, ttymajor=0] [L12124] FCALL put_tty_driver(serial_driver) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:18446744073709551617}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, printk("tty_unregister_driver error=%d\n", rc)=18446744073709551635, rc=198, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551706:-42}, ttymajor=0] [L12128] info = slgt_device_list VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:18446744073709551617}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, printk("tty_unregister_driver error=%d\n", rc)=18446744073709551635, rc=198, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551706:-42}, ttymajor=0] [L12136] COND FALSE !((unsigned long )info != (unsigned long )((struct slgt_info *)0)) [L12142] info = slgt_device_list VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:18446744073709551617}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, printk("tty_unregister_driver error=%d\n", rc)=18446744073709551635, rc=198, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551706:-42}, ttymajor=0] [L12162] COND FALSE !((unsigned long )info != (unsigned long )((struct slgt_info *)0)) [L12168] COND TRUE (int )pci_registered [L12170] FCALL pci_unregister_driver(& pci_driver) [L12252] RET slgt_cleanup() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:18446744073709551617}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551706:-42}, ttymajor=0] [L14611] RET slgt_exit() [L14615] CALL ldv_check_final_state() [L14691] COND TRUE ldv_module_refcounter != 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:18446744073709551617}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551706:-42}, ttymajor=0] [L14693] CALL ldv_blast_assert() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:18446744073709551617}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551706:-42}, ttymajor=0] [L14623] reach_error() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:18446744073709551617}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551706:-42}, ttymajor=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 99 procedures, 1955 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 130.9s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 119.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 26 mSolverCounterUnknown, 18984 SdHoareTripleChecker+Valid, 115.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18437 mSDsluCounter, 46266 SdHoareTripleChecker+Invalid, 110.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26809 mSDsCounter, 1763 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9596 IncrementalHoareTripleChecker+Invalid, 11385 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1763 mSolverCounterUnsat, 23011 mSDtfsCounter, 9596 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13190occurred in iteration=6, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 3833 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 200 NumberOfCodeBlocks, 200 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 330 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-25 19:50:55,314 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-25 19:50:55,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:50:57,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:50:57,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:50:57,532 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:50:57,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:50:57,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:50:57,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:50:57,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:50:57,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:50:57,542 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:50:57,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:50:57,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:50:57,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:50:57,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:50:57,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:50:57,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:50:57,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:50:57,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:50:57,554 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:50:57,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:50:57,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:50:57,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:50:57,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:50:57,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:50:57,584 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:50:57,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:50:57,585 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:50:57,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:50:57,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:50:57,588 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:50:57,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:50:57,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:50:57,590 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:50:57,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:50:57,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:50:57,593 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:50:57,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:50:57,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:50:57,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:50:57,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:50:57,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:50:57,597 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-25 19:50:57,624 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:50:57,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:50:57,625 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:50:57,625 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:50:57,626 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:50:57,626 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:50:57,626 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:50:57,627 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:50:57,627 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:50:57,627 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:50:57,627 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:50:57,628 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:50:57,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:50:57,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:50:57,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:50:57,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:50:57,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:50:57,630 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 19:50:57,630 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 19:50:57,630 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 19:50:57,631 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:50:57,631 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:50:57,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:50:57,632 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:50:57,632 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 19:50:57,632 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:50:57,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:50:57,633 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:50:57,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:50:57,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:50:57,634 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 19:50:57,634 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 19:50:57,634 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:50:57,634 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:50:57,635 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:50:57,635 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc [2021-11-25 19:50:58,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:50:58,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:50:58,040 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:50:58,041 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:50:58,042 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:50:58,043 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2021-11-25 19:50:58,116 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/data/50783cb04/5c845bf10d434059818afac25171c11b/FLAG5a934e90a [2021-11-25 19:50:59,073 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:50:59,074 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2021-11-25 19:50:59,159 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/data/50783cb04/5c845bf10d434059818afac25171c11b/FLAG5a934e90a [2021-11-25 19:50:59,513 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/data/50783cb04/5c845bf10d434059818afac25171c11b [2021-11-25 19:50:59,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:50:59,516 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:50:59,518 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:50:59,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:50:59,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:50:59,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:50:59" (1/1) ... [2021-11-25 19:50:59,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f0222da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:50:59, skipping insertion in model container [2021-11-25 19:50:59,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:50:59" (1/1) ... [2021-11-25 19:50:59,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:50:59,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:51:02,764 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_57dd5a30-4568-4874-9269-0f9553ef1b80/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2021-11-25 19:51:02,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:51:02,893 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-25 19:51:03,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:51:03,493 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_57dd5a30-4568-4874-9269-0f9553ef1b80/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2021-11-25 19:51:03,502 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:51:03,522 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:51:04,128 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_57dd5a30-4568-4874-9269-0f9553ef1b80/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2021-11-25 19:51:04,136 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:51:04,380 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:51:04,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:04 WrapperNode [2021-11-25 19:51:04,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:51:04,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:51:04,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:51:04,382 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:51:04,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:04" (1/1) ... [2021-11-25 19:51:04,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:04" (1/1) ... [2021-11-25 19:51:04,871 INFO L137 Inliner]: procedures = 358, calls = 3523, calls flagged for inlining = 191, calls inlined = 172, statements flattened = 8171 [2021-11-25 19:51:04,872 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:51:04,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:51:04,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:51:04,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:51:04,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:04" (1/1) ... [2021-11-25 19:51:04,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:04" (1/1) ... [2021-11-25 19:51:04,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:04" (1/1) ... [2021-11-25 19:51:04,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:04" (1/1) ... [2021-11-25 19:51:05,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:04" (1/1) ... [2021-11-25 19:51:05,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:04" (1/1) ... [2021-11-25 19:51:05,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:04" (1/1) ... [2021-11-25 19:51:05,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:51:05,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:51:05,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:51:05,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:51:05,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:04" (1/1) ... [2021-11-25 19:51:05,326 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:51:05,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:51:05,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:51:05,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:51:05,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-25 19:51:05,406 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2021-11-25 19:51:05,406 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2021-11-25 19:51:05,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-25 19:51:05,407 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-25 19:51:05,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-25 19:51:05,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 19:51:05,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-25 19:51:05,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 19:51:05,408 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-25 19:51:05,408 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-25 19:51:05,408 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-25 19:51:05,408 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-25 19:51:05,408 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-25 19:51:05,408 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-25 19:51:05,409 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2021-11-25 19:51:05,409 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2021-11-25 19:51:05,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 19:51:05,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 19:51:05,409 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2021-11-25 19:51:05,409 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2021-11-25 19:51:05,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-25 19:51:05,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-25 19:51:05,410 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2021-11-25 19:51:05,410 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2021-11-25 19:51:05,410 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-25 19:51:05,410 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-25 19:51:05,410 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2021-11-25 19:51:05,411 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2021-11-25 19:51:05,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-25 19:51:05,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-25 19:51:05,411 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-25 19:51:05,411 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-25 19:51:05,412 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-25 19:51:05,412 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-25 19:51:05,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 19:51:05,412 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 19:51:05,412 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-25 19:51:05,412 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-25 19:51:05,413 INFO L130 BoogieDeclarations]: Found specification of procedure free_bufs [2021-11-25 19:51:05,413 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bufs [2021-11-25 19:51:05,413 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-11-25 19:51:05,413 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-11-25 19:51:05,413 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2021-11-25 19:51:05,413 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2021-11-25 19:51:05,414 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-11-25 19:51:05,414 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-11-25 19:51:05,415 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-25 19:51:05,415 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-25 19:51:05,416 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-25 19:51:05,416 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-25 19:51:05,416 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2021-11-25 19:51:05,417 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2021-11-25 19:51:05,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:51:05,417 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 19:51:05,417 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2021-11-25 19:51:05,417 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2021-11-25 19:51:05,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:51:05,417 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rbufs [2021-11-25 19:51:05,418 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rbufs [2021-11-25 19:51:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2021-11-25 19:51:05,419 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2021-11-25 19:51:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-11-25 19:51:05,419 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-11-25 19:51:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-25 19:51:05,419 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-25 19:51:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-25 19:51:05,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-25 19:51:05,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-25 19:51:05,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-11-25 19:51:05,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-11-25 19:51:05,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:51:05,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-25 19:51:05,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 19:51:05,421 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2021-11-25 19:51:05,422 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2021-11-25 19:51:05,422 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2021-11-25 19:51:05,422 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2021-11-25 19:51:05,422 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-25 19:51:05,422 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-25 19:51:05,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-25 19:51:05,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-25 19:51:05,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-25 19:51:05,423 INFO L130 BoogieDeclarations]: Found specification of procedure async_mode [2021-11-25 19:51:05,424 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mode [2021-11-25 19:51:05,424 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2021-11-25 19:51:05,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2021-11-25 19:51:05,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-25 19:51:05,425 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-11-25 19:51:05,425 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-11-25 19:51:05,425 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-25 19:51:05,426 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-25 19:51:05,426 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-25 19:51:05,427 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-25 19:51:05,427 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-25 19:51:05,427 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-25 19:51:05,427 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2021-11-25 19:51:05,427 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2021-11-25 19:51:05,427 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-25 19:51:05,427 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-25 19:51:05,428 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2021-11-25 19:51:05,428 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2021-11-25 19:51:05,428 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-25 19:51:05,428 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-25 19:51:05,428 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-25 19:51:05,429 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-25 19:51:05,429 INFO L130 BoogieDeclarations]: Found specification of procedure update_tx_timer [2021-11-25 19:51:05,429 INFO L138 BoogieDeclarations]: Found implementation of procedure update_tx_timer [2021-11-25 19:51:05,429 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bufs [2021-11-25 19:51:05,430 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bufs [2021-11-25 19:51:05,430 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-25 19:51:05,433 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-25 19:51:05,433 INFO L130 BoogieDeclarations]: Found specification of procedure msc_set_vcr [2021-11-25 19:51:05,433 INFO L138 BoogieDeclarations]: Found implementation of procedure msc_set_vcr [2021-11-25 19:51:05,434 INFO L130 BoogieDeclarations]: Found specification of procedure isr_txeom [2021-11-25 19:51:05,434 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_txeom [2021-11-25 19:51:05,436 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 19:51:05,436 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 19:51:05,436 INFO L130 BoogieDeclarations]: Found specification of procedure setup_timer_key [2021-11-25 19:51:05,436 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_timer_key [2021-11-25 19:51:05,443 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-25 19:51:05,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-25 19:51:05,443 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_reset [2021-11-25 19:51:05,443 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_reset [2021-11-25 19:51:05,443 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2021-11-25 19:51:05,443 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2021-11-25 19:51:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2021-11-25 19:51:05,444 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2021-11-25 19:51:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure slgt_cleanup [2021-11-25 19:51:05,444 INFO L138 BoogieDeclarations]: Found implementation of procedure slgt_cleanup [2021-11-25 19:51:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-25 19:51:05,444 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-25 19:51:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-25 19:51:05,445 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-25 19:51:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2021-11-25 19:51:05,445 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2021-11-25 19:51:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2021-11-25 19:51:05,445 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2021-11-25 19:51:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-25 19:51:05,445 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-25 19:51:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 19:51:05,446 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 19:51:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2021-11-25 19:51:05,446 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2021-11-25 19:51:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-25 19:51:05,446 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-25 19:51:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 19:51:05,446 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 19:51:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load [2021-11-25 19:51:05,447 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load [2021-11-25 19:51:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg32 [2021-11-25 19:51:05,447 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg32 [2021-11-25 19:51:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2021-11-25 19:51:05,447 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2021-11-25 19:51:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-25 19:51:05,448 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-25 19:51:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-25 19:51:05,448 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-25 19:51:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-25 19:51:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-25 19:51:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-25 19:51:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2021-11-25 19:51:05,448 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2021-11-25 19:51:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-25 19:51:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg32 [2021-11-25 19:51:05,449 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg32 [2021-11-25 19:51:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure isr_rxdata [2021-11-25 19:51:05,449 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_rxdata [2021-11-25 19:51:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2021-11-25 19:51:05,449 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2021-11-25 19:51:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure tbuf_bytes [2021-11-25 19:51:05,450 INFO L138 BoogieDeclarations]: Found implementation of procedure tbuf_bytes [2021-11-25 19:51:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:51:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-11-25 19:51:05,450 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-11-25 19:51:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-25 19:51:05,450 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-25 19:51:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:51:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2021-11-25 19:51:05,451 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2021-11-25 19:51:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2021-11-25 19:51:05,451 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2021-11-25 19:51:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:51:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 19:51:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg16 [2021-11-25 19:51:05,452 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg16 [2021-11-25 19:51:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-25 19:51:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-25 19:51:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-25 19:51:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2021-11-25 19:51:05,452 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2021-11-25 19:51:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-25 19:51:05,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-25 19:51:05,453 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg16 [2021-11-25 19:51:05,453 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg16 [2021-11-25 19:51:05,453 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-25 19:51:05,453 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-25 19:51:05,453 INFO L130 BoogieDeclarations]: Found specification of procedure sync_mode [2021-11-25 19:51:05,453 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_mode [2021-11-25 19:51:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2021-11-25 19:51:05,454 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2021-11-25 19:51:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2021-11-25 19:51:05,454 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2021-11-25 19:51:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 19:51:05,454 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 19:51:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2021-11-25 19:51:05,455 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2021-11-25 19:51:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-25 19:51:05,455 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-25 19:51:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure free_tmp_rbuf [2021-11-25 19:51:05,455 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tmp_rbuf [2021-11-25 19:51:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-25 19:51:05,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-25 19:51:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure tdma_reset [2021-11-25 19:51:05,456 INFO L138 BoogieDeclarations]: Found implementation of procedure tdma_reset [2021-11-25 19:51:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2021-11-25 19:51:05,456 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2021-11-25 19:51:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-25 19:51:05,456 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-25 19:51:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-25 19:51:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2021-11-25 19:51:05,457 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2021-11-25 19:51:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2021-11-25 19:51:05,457 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2021-11-25 19:51:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg8 [2021-11-25 19:51:05,457 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg8 [2021-11-25 19:51:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2021-11-25 19:51:05,457 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2021-11-25 19:51:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:51:05,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:51:06,552 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:51:06,558 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:51:07,122 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-25 19:51:07,210 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2021-11-25 19:51:07,210 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2021-11-25 19:51:09,475 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-11-25 19:51:09,475 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-11-25 19:51:15,114 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-25 19:51:15,774 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2021-11-25 19:51:15,774 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2021-11-25 19:51:16,719 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-25 19:51:16,721 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-25 19:51:17,140 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !false; [2021-11-25 19:51:17,140 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume false; [2021-11-25 19:51:17,140 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume !false; [2021-11-25 19:51:17,140 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume false; [2021-11-25 19:51:18,023 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-25 19:51:42,975 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L10940: SUMMARY for call modem_input_wait_#t~ret1364#1.base, modem_input_wait_#t~ret1364#1.offset := get_current(); srcloc: null [2021-11-25 19:51:42,975 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L10940-1: modem_input_wait_~tmp___8~2#1.base, modem_input_wait_~tmp___8~2#1.offset := modem_input_wait_#t~ret1364#1.base, modem_input_wait_#t~ret1364#1.offset;havoc modem_input_wait_#t~ret1364#1.base, modem_input_wait_#t~ret1364#1.offset;modem_input_wait_~__ptr___3~1#1.base, modem_input_wait_~__ptr___3~1#1.offset := modem_input_wait_~tmp___8~2#1.base, modem_input_wait_~tmp___8~2#1.offset; [2021-11-25 19:51:42,975 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L10882: SUMMARY for call modem_input_wait_#t~ret1333#1.base, modem_input_wait_#t~ret1333#1.offset := get_current(); srcloc: null [2021-11-25 19:51:42,976 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L10882-1: modem_input_wait_~tmp___1~21#1.base, modem_input_wait_~tmp___1~21#1.offset := modem_input_wait_#t~ret1333#1.base, modem_input_wait_#t~ret1333#1.offset;havoc modem_input_wait_#t~ret1333#1.base, modem_input_wait_#t~ret1333#1.offset;modem_input_wait_~__ptr~3#1.base, modem_input_wait_~__ptr~3#1.offset := modem_input_wait_~tmp___1~21#1.base, modem_input_wait_~tmp___1~21#1.offset; [2021-11-25 19:51:42,976 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##265: assume !false; [2021-11-25 19:51:42,976 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##264: assume false; [2021-11-25 19:51:42,976 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##276: assume false; [2021-11-25 19:51:42,977 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##277: assume !false; [2021-11-25 19:51:42,977 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##232: assume false; [2021-11-25 19:51:42,977 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##233: assume !false; [2021-11-25 19:51:42,977 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##241: assume !false; [2021-11-25 19:51:42,977 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##240: assume false; [2021-11-25 19:51:42,978 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11037-1: modem_input_wait_~tmp___12~1#1.base, modem_input_wait_~tmp___12~1#1.offset := modem_input_wait_#t~ret1407#1.base, modem_input_wait_#t~ret1407#1.offset;havoc modem_input_wait_#t~ret1407#1.base, modem_input_wait_#t~ret1407#1.offset;modem_input_wait_~__ptr___7~1#1.base, modem_input_wait_~__ptr___7~1#1.offset := modem_input_wait_~tmp___12~1#1.base, modem_input_wait_~tmp___12~1#1.offset; [2021-11-25 19:51:42,978 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11037: SUMMARY for call modem_input_wait_#t~ret1407#1.base, modem_input_wait_#t~ret1407#1.offset := get_current(); srcloc: null [2021-11-25 19:51:42,978 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##304: assume !false; [2021-11-25 19:51:42,978 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##303: assume false; [2021-11-25 19:51:42,978 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L10655-1: remove_cond_wait_~tmp~91#1.base, remove_cond_wait_~tmp~91#1.offset := remove_cond_wait_#t~ret1268#1.base, remove_cond_wait_#t~ret1268#1.offset;havoc remove_cond_wait_#t~ret1268#1.base, remove_cond_wait_#t~ret1268#1.offset;remove_cond_wait_~__ptr~2#1.base, remove_cond_wait_~__ptr~2#1.offset := remove_cond_wait_~tmp~91#1.base, remove_cond_wait_~tmp~91#1.offset; [2021-11-25 19:51:42,979 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L10655: SUMMARY for call remove_cond_wait_#t~ret1268#1.base, remove_cond_wait_#t~ret1268#1.offset := get_current(); srcloc: null [2021-11-25 19:51:42,979 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L10195: SUMMARY for call wait_mgsl_event_#t~ret1204#1.base, wait_mgsl_event_#t~ret1204#1.offset := get_current(); srcloc: null [2021-11-25 19:51:42,979 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L10195-1: wait_mgsl_event_~tmp___26~0#1.base, wait_mgsl_event_~tmp___26~0#1.offset := wait_mgsl_event_#t~ret1204#1.base, wait_mgsl_event_#t~ret1204#1.offset;havoc wait_mgsl_event_#t~ret1204#1.base, wait_mgsl_event_#t~ret1204#1.offset;wait_mgsl_event_~__ptr___7~0#1.base, wait_mgsl_event_~__ptr___7~0#1.offset := wait_mgsl_event_~tmp___26~0#1.base, wait_mgsl_event_~tmp___26~0#1.offset; [2021-11-25 19:51:42,979 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L10592: SUMMARY for call add_cond_wait_#t~ret1263#1.base, add_cond_wait_#t~ret1263#1.offset := get_current(); srcloc: null [2021-11-25 19:51:42,979 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L10592-1: add_cond_wait_~tmp~90#1.base, add_cond_wait_~tmp~90#1.offset := add_cond_wait_#t~ret1263#1.base, add_cond_wait_#t~ret1263#1.offset;havoc add_cond_wait_#t~ret1263#1.base, add_cond_wait_#t~ret1263#1.offset;add_cond_wait_~__ptr~1#1.base, add_cond_wait_~__ptr~1#1.offset := add_cond_wait_~tmp~90#1.base, add_cond_wait_~tmp~90#1.offset; [2021-11-25 19:51:42,980 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L10064: SUMMARY for call wait_mgsl_event_#t~ret1129#1.base, wait_mgsl_event_#t~ret1129#1.offset := get_current(); srcloc: null [2021-11-25 19:51:42,980 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L10064-1: wait_mgsl_event_~tmp___13~0#1.base, wait_mgsl_event_~tmp___13~0#1.offset := wait_mgsl_event_#t~ret1129#1.base, wait_mgsl_event_#t~ret1129#1.offset;havoc wait_mgsl_event_#t~ret1129#1.base, wait_mgsl_event_#t~ret1129#1.offset;wait_mgsl_event_~__ptr___3~0#1.base, wait_mgsl_event_~__ptr___3~0#1.offset := wait_mgsl_event_~tmp___13~0#1.base, wait_mgsl_event_~tmp___13~0#1.offset; [2021-11-25 19:51:42,980 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2021-11-25 19:51:42,980 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2021-11-25 19:51:42,980 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume !false; [2021-11-25 19:51:42,981 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##68: assume false; [2021-11-25 19:51:42,981 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##195: assume false; [2021-11-25 19:51:42,981 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##196: assume !false; [2021-11-25 19:51:42,981 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume !false; [2021-11-25 19:51:42,981 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume false; [2021-11-25 19:51:42,982 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##139: assume !false; [2021-11-25 19:51:42,982 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##138: assume false; [2021-11-25 19:51:42,982 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L10004: SUMMARY for call wait_mgsl_event_#t~ret1090#1.base, wait_mgsl_event_#t~ret1090#1.offset := get_current(); srcloc: null [2021-11-25 19:51:42,982 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L10004-1: wait_mgsl_event_~tmp___6~1#1.base, wait_mgsl_event_~tmp___6~1#1.offset := wait_mgsl_event_#t~ret1090#1.base, wait_mgsl_event_#t~ret1090#1.offset;havoc wait_mgsl_event_#t~ret1090#1.base, wait_mgsl_event_#t~ret1090#1.offset;wait_mgsl_event_~__ptr~0#1.base, wait_mgsl_event_~__ptr~0#1.offset := wait_mgsl_event_~tmp___6~1#1.base, wait_mgsl_event_~tmp___6~1#1.offset; [2021-11-25 19:51:42,982 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume false; [2021-11-25 19:51:42,983 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##151: assume !false; [2021-11-25 19:51:42,983 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##150: assume false; [2021-11-25 19:51:42,983 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##390: assume !false; [2021-11-25 19:51:42,983 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##155: assume false; [2021-11-25 19:51:42,983 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##156: assume !false; [2021-11-25 19:51:42,984 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2021-11-25 19:51:42,984 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2021-11-25 19:51:42,984 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##327: assume !false; [2021-11-25 19:51:42,984 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##326: assume false; [2021-11-25 19:51:45,598 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-25 19:51:45,602 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-25 19:51:45,610 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-25 19:51:45,611 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-25 19:51:45,612 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-25 19:52:37,575 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##289: assume !false;call ULTIMATE.dealloc(hdlcdev_ioctl_~#new_line~0#1.base, hdlcdev_ioctl_~#new_line~0#1.offset);havoc hdlcdev_ioctl_~#new_line~0#1.base, hdlcdev_ioctl_~#new_line~0#1.offset; [2021-11-25 19:52:37,576 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume false; [2021-11-25 19:52:37,576 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume !false; [2021-11-25 19:52:37,576 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##300: assume false; [2021-11-25 19:52:37,576 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##323: assume !false; [2021-11-25 19:52:37,576 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume false; [2021-11-25 19:52:37,576 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11392: SUMMARY for call block_til_ready_#t~ret1467#1.base, block_til_ready_#t~ret1467#1.offset := get_current(); srcloc: null [2021-11-25 19:52:37,576 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11392-1: block_til_ready_~tmp___9~2#1.base, block_til_ready_~tmp___9~2#1.offset := block_til_ready_#t~ret1467#1.base, block_til_ready_#t~ret1467#1.offset;havoc block_til_ready_#t~ret1467#1.base, block_til_ready_#t~ret1467#1.offset;block_til_ready_~__ptr___3~2#1.base, block_til_ready_~__ptr___3~2#1.offset := block_til_ready_~tmp___9~2#1.base, block_til_ready_~tmp___9~2#1.offset; [2021-11-25 19:52:37,576 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##399: assume false; [2021-11-25 19:52:37,576 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##423: assume false; [2021-11-25 19:52:37,577 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##424: assume !false; [2021-11-25 19:52:37,577 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##400: assume !false; [2021-11-25 19:52:37,577 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11302-1: block_til_ready_~tmp___2~14#1.base, block_til_ready_~tmp___2~14#1.offset := block_til_ready_#t~ret1453#1.base, block_til_ready_#t~ret1453#1.offset;havoc block_til_ready_#t~ret1453#1.base, block_til_ready_#t~ret1453#1.offset;block_til_ready_~__ptr~4#1.base, block_til_ready_~__ptr~4#1.offset := block_til_ready_~tmp___2~14#1.base, block_til_ready_~tmp___2~14#1.offset; [2021-11-25 19:52:37,577 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L11302: SUMMARY for call block_til_ready_#t~ret1453#1.base, block_til_ready_#t~ret1453#1.offset := get_current(); srcloc: null [2021-11-25 19:52:37,577 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##78: assume !false; [2021-11-25 19:52:37,577 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##77: assume false; [2021-11-25 19:52:37,577 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##133: assume !false; [2021-11-25 19:52:37,577 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume false; [2021-11-25 19:52:39,158 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:52:39,207 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:52:39,208 INFO L301 CfgBuilder]: Removed 17 assume(true) statements. [2021-11-25 19:52:39,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:52:39 BoogieIcfgContainer [2021-11-25 19:52:39,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:52:39,214 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:52:39,214 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:52:39,217 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:52:39,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:50:59" (1/3) ... [2021-11-25 19:52:39,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67af148a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:52:39, skipping insertion in model container [2021-11-25 19:52:39,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:04" (2/3) ... [2021-11-25 19:52:39,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67af148a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:52:39, skipping insertion in model container [2021-11-25 19:52:39,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:52:39" (3/3) ... [2021-11-25 19:52:39,220 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2021-11-25 19:52:39,225 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:52:39,226 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 19:52:39,292 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:52:39,299 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 19:52:39,299 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 19:52:39,377 INFO L276 IsEmpty]: Start isEmpty. Operand has 2733 states, 2016 states have (on average 1.4037698412698412) internal successors, (2830), 2091 states have internal predecessors, (2830), 627 states have call successors, (627), 98 states have call predecessors, (627), 98 states have return successors, (627), 607 states have call predecessors, (627), 627 states have call successors, (627) [2021-11-25 19:52:39,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 19:52:39,382 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:52:39,383 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:52:39,384 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:52:39,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:52:39,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1683062230, now seen corresponding path program 1 times [2021-11-25 19:52:39,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 19:52:39,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [16906389] [2021-11-25 19:52:39,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:52:39,407 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 19:52:39,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 19:52:39,410 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 19:52:39,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-25 19:52:40,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:52:40,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 1128 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 19:52:40,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:52:41,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:52:41,346 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:52:41,346 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 19:52:41,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [16906389] [2021-11-25 19:52:41,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [16906389] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:52:41,347 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:52:41,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:52:41,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553554987] [2021-11-25 19:52:41,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:52:41,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:52:41,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 19:52:41,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:52:41,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:52:41,391 INFO L87 Difference]: Start difference. First operand has 2733 states, 2016 states have (on average 1.4037698412698412) internal successors, (2830), 2091 states have internal predecessors, (2830), 627 states have call successors, (627), 98 states have call predecessors, (627), 98 states have return successors, (627), 607 states have call predecessors, (627), 627 states have call successors, (627) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:52:42,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:52:42,056 INFO L93 Difference]: Finished difference Result 8125 states and 12244 transitions. [2021-11-25 19:52:42,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:52:42,060 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2021-11-25 19:52:42,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:52:42,143 INFO L225 Difference]: With dead ends: 8125 [2021-11-25 19:52:42,143 INFO L226 Difference]: Without dead ends: 5402 [2021-11-25 19:52:42,172 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:52:42,179 INFO L933 BasicCegarLoop]: 5821 mSDtfsCounter, 4020 mSDsluCounter, 4000 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4020 SdHoareTripleChecker+Valid, 9821 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:52:42,180 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4020 Valid, 9821 Invalid, 10 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 19:52:42,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5402 states. [2021-11-25 19:52:42,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5402 to 5399. [2021-11-25 19:52:42,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5399 states, 3956 states have (on average 1.3963599595551062) internal successors, (5524), 4121 states have internal predecessors, (5524), 1248 states have call successors, (1248), 195 states have call predecessors, (1248), 194 states have return successors, (1246), 1206 states have call predecessors, (1246), 1246 states have call successors, (1246) [2021-11-25 19:52:42,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 5399 states and 8018 transitions. [2021-11-25 19:52:42,627 INFO L78 Accepts]: Start accepts. Automaton has 5399 states and 8018 transitions. Word has length 17 [2021-11-25 19:52:42,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:52:42,628 INFO L470 AbstractCegarLoop]: Abstraction has 5399 states and 8018 transitions. [2021-11-25 19:52:42,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 19:52:42,629 INFO L276 IsEmpty]: Start isEmpty. Operand 5399 states and 8018 transitions. [2021-11-25 19:52:42,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-25 19:52:42,640 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:52:42,641 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:52:42,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-25 19:52:42,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 19:52:42,865 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:52:42,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:52:42,866 INFO L85 PathProgramCache]: Analyzing trace with hash -724110025, now seen corresponding path program 1 times [2021-11-25 19:52:42,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 19:52:42,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2049866051] [2021-11-25 19:52:42,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:52:42,869 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 19:52:42,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 19:52:42,872 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 19:52:42,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-25 19:52:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:52:44,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 1210 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 19:52:44,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:52:45,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:52:45,283 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:52:45,283 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 19:52:45,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2049866051] [2021-11-25 19:52:45,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2049866051] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:52:45,284 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:52:45,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:52:45,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730879697] [2021-11-25 19:52:45,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:52:45,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:52:45,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 19:52:45,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:52:45,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:52:45,287 INFO L87 Difference]: Start difference. First operand 5399 states and 8018 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 19:52:45,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:52:46,000 INFO L93 Difference]: Finished difference Result 10703 states and 15909 transitions. [2021-11-25 19:52:46,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:52:46,001 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2021-11-25 19:52:46,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:52:46,049 INFO L225 Difference]: With dead ends: 10703 [2021-11-25 19:52:46,049 INFO L226 Difference]: Without dead ends: 5399 [2021-11-25 19:52:46,075 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:52:46,077 INFO L933 BasicCegarLoop]: 4031 mSDtfsCounter, 1 mSDsluCounter, 8056 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 12087 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:52:46,078 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 12087 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 19:52:46,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5399 states. [2021-11-25 19:52:46,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5399 to 5399. [2021-11-25 19:52:46,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5399 states, 3956 states have (on average 1.3961071789686552) internal successors, (5523), 4121 states have internal predecessors, (5523), 1248 states have call successors, (1248), 195 states have call predecessors, (1248), 194 states have return successors, (1246), 1206 states have call predecessors, (1246), 1246 states have call successors, (1246) [2021-11-25 19:52:46,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 5399 states and 8017 transitions. [2021-11-25 19:52:46,368 INFO L78 Accepts]: Start accepts. Automaton has 5399 states and 8017 transitions. Word has length 54 [2021-11-25 19:52:46,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:52:46,372 INFO L470 AbstractCegarLoop]: Abstraction has 5399 states and 8017 transitions. [2021-11-25 19:52:46,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 19:52:46,373 INFO L276 IsEmpty]: Start isEmpty. Operand 5399 states and 8017 transitions. [2021-11-25 19:52:46,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-25 19:52:46,382 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:52:46,382 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:52:46,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-25 19:52:46,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 19:52:46,608 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:52:46,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:52:46,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1735445289, now seen corresponding path program 1 times [2021-11-25 19:52:46,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 19:52:46,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1417363862] [2021-11-25 19:52:46,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:52:46,612 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 19:52:46,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 19:52:46,614 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 19:52:46,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-25 19:52:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:52:52,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 6736 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-25 19:52:52,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:52:54,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:52:54,543 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:52:54,543 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 19:52:54,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1417363862] [2021-11-25 19:52:54,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1417363862] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:52:54,544 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:52:54,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 19:52:54,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899724292] [2021-11-25 19:52:54,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:52:54,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 19:52:54,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 19:52:54,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 19:52:54,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:52:54,547 INFO L87 Difference]: Start difference. First operand 5399 states and 8017 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 19:52:57,728 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:52:58,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:52:58,964 INFO L93 Difference]: Finished difference Result 16162 states and 24022 transitions. [2021-11-25 19:52:58,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 19:52:58,967 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 61 [2021-11-25 19:52:58,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:52:59,061 INFO L225 Difference]: With dead ends: 16162 [2021-11-25 19:52:59,061 INFO L226 Difference]: Without dead ends: 10767 [2021-11-25 19:52:59,093 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-25 19:52:59,096 INFO L933 BasicCegarLoop]: 7724 mSDtfsCounter, 3999 mSDsluCounter, 27184 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4005 SdHoareTripleChecker+Valid, 34908 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-25 19:52:59,104 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4005 Valid, 34908 Invalid, 32 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2021-11-25 19:52:59,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10767 states. [2021-11-25 19:52:59,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10767 to 10753. [2021-11-25 19:52:59,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10753 states, 7875 states have (on average 1.3964444444444444) internal successors, (10997), 8204 states have internal predecessors, (10997), 2490 states have call successors, (2490), 387 states have call predecessors, (2490), 387 states have return successors, (2493), 2407 states have call predecessors, (2493), 2488 states have call successors, (2493) [2021-11-25 19:52:59,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10753 states to 10753 states and 15980 transitions. [2021-11-25 19:52:59,794 INFO L78 Accepts]: Start accepts. Automaton has 10753 states and 15980 transitions. Word has length 61 [2021-11-25 19:52:59,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:52:59,796 INFO L470 AbstractCegarLoop]: Abstraction has 10753 states and 15980 transitions. [2021-11-25 19:52:59,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 19:52:59,798 INFO L276 IsEmpty]: Start isEmpty. Operand 10753 states and 15980 transitions. [2021-11-25 19:52:59,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-25 19:52:59,805 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:52:59,805 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:52:59,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-25 19:53:00,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 19:53:00,029 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:53:00,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:53:00,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1755782664, now seen corresponding path program 1 times [2021-11-25 19:53:00,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 19:53:00,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1823771699] [2021-11-25 19:53:00,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:53:00,032 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 19:53:00,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 19:53:00,037 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 19:53:00,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-25 19:53:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:53:05,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 6742 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 19:53:05,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:53:06,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:53:06,835 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:53:06,835 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 19:53:06,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1823771699] [2021-11-25 19:53:06,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1823771699] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:53:06,835 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:53:06,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:53:06,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795394919] [2021-11-25 19:53:06,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:53:06,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:53:06,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 19:53:06,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:53:06,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:53:06,837 INFO L87 Difference]: Start difference. First operand 10753 states and 15980 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 19:53:09,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:53:09,352 INFO L93 Difference]: Finished difference Result 18231 states and 27325 transitions. [2021-11-25 19:53:09,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:53:09,353 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 61 [2021-11-25 19:53:09,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:53:09,454 INFO L225 Difference]: With dead ends: 18231 [2021-11-25 19:53:09,454 INFO L226 Difference]: Without dead ends: 12861 [2021-11-25 19:53:09,484 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-25 19:53:09,487 INFO L933 BasicCegarLoop]: 5539 mSDtfsCounter, 3407 mSDsluCounter, 12800 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 812 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3407 SdHoareTripleChecker+Valid, 18339 SdHoareTripleChecker+Invalid, 830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 812 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:53:09,488 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3407 Valid, 18339 Invalid, 830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [812 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-25 19:53:09,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12861 states. [2021-11-25 19:53:10,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12861 to 10759. [2021-11-25 19:53:10,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10759 states, 7881 states have (on average 1.3961426214947341) internal successors, (11003), 8210 states have internal predecessors, (11003), 2490 states have call successors, (2490), 387 states have call predecessors, (2490), 387 states have return successors, (2493), 2407 states have call predecessors, (2493), 2488 states have call successors, (2493) [2021-11-25 19:53:10,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10759 states to 10759 states and 15986 transitions. [2021-11-25 19:53:10,139 INFO L78 Accepts]: Start accepts. Automaton has 10759 states and 15986 transitions. Word has length 61 [2021-11-25 19:53:10,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:53:10,142 INFO L470 AbstractCegarLoop]: Abstraction has 10759 states and 15986 transitions. [2021-11-25 19:53:10,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 19:53:10,142 INFO L276 IsEmpty]: Start isEmpty. Operand 10759 states and 15986 transitions. [2021-11-25 19:53:10,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-25 19:53:10,150 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:53:10,150 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:53:10,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-25 19:53:10,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 19:53:10,373 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:53:10,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:53:10,374 INFO L85 PathProgramCache]: Analyzing trace with hash -205695727, now seen corresponding path program 1 times [2021-11-25 19:53:10,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 19:53:10,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [345097421] [2021-11-25 19:53:10,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:53:10,376 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 19:53:10,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 19:53:10,378 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 19:53:10,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-25 19:53:16,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:53:16,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 6749 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 19:53:16,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:53:18,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:53:18,444 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:53:18,444 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 19:53:18,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [345097421] [2021-11-25 19:53:18,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [345097421] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:53:18,445 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:53:18,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:53:18,445 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502159437] [2021-11-25 19:53:18,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:53:18,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:53:18,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 19:53:18,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:53:18,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:53:18,447 INFO L87 Difference]: Start difference. First operand 10759 states and 15986 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 19:53:20,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:53:20,692 INFO L93 Difference]: Finished difference Result 21413 states and 31947 transitions. [2021-11-25 19:53:20,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:53:20,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 65 [2021-11-25 19:53:20,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:53:20,748 INFO L225 Difference]: With dead ends: 21413 [2021-11-25 19:53:20,748 INFO L226 Difference]: Without dead ends: 10679 [2021-11-25 19:53:20,793 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:53:20,795 INFO L933 BasicCegarLoop]: 3829 mSDtfsCounter, 3877 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3877 SdHoareTripleChecker+Valid, 3829 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:53:20,795 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3877 Valid, 3829 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-25 19:53:20,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10679 states. [2021-11-25 19:53:21,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10679 to 10679. [2021-11-25 19:53:21,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10679 states, 7813 states have (on average 1.352105465250224) internal successors, (10564), 8138 states have internal predecessors, (10564), 2482 states have call successors, (2482), 383 states have call predecessors, (2482), 383 states have return successors, (2485), 2399 states have call predecessors, (2485), 2480 states have call successors, (2485) [2021-11-25 19:53:21,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10679 states to 10679 states and 15531 transitions. [2021-11-25 19:53:21,358 INFO L78 Accepts]: Start accepts. Automaton has 10679 states and 15531 transitions. Word has length 65 [2021-11-25 19:53:21,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:53:21,358 INFO L470 AbstractCegarLoop]: Abstraction has 10679 states and 15531 transitions. [2021-11-25 19:53:21,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 19:53:21,359 INFO L276 IsEmpty]: Start isEmpty. Operand 10679 states and 15531 transitions. [2021-11-25 19:53:21,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-25 19:53:21,366 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:53:21,367 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:53:21,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-25 19:53:21,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 19:53:21,589 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:53:21,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:53:21,590 INFO L85 PathProgramCache]: Analyzing trace with hash -143656113, now seen corresponding path program 1 times [2021-11-25 19:53:21,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 19:53:21,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1699299534] [2021-11-25 19:53:21,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:53:21,591 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 19:53:21,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 19:53:21,592 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 19:53:21,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-25 19:53:27,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:53:27,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 6749 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 19:53:27,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:53:29,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:53:29,478 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:53:29,479 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 19:53:29,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1699299534] [2021-11-25 19:53:29,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1699299534] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:53:29,479 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:53:29,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:53:29,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506172335] [2021-11-25 19:53:29,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:53:29,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:53:29,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 19:53:29,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:53:29,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:53:29,482 INFO L87 Difference]: Start difference. First operand 10679 states and 15531 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 19:53:30,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:53:30,361 INFO L93 Difference]: Finished difference Result 16018 states and 23291 transitions. [2021-11-25 19:53:30,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:53:30,364 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 65 [2021-11-25 19:53:30,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:53:30,420 INFO L225 Difference]: With dead ends: 16018 [2021-11-25 19:53:30,420 INFO L226 Difference]: Without dead ends: 10687 [2021-11-25 19:53:30,443 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:53:30,443 INFO L933 BasicCegarLoop]: 4905 mSDtfsCounter, 3865 mSDsluCounter, 3883 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3865 SdHoareTripleChecker+Valid, 8788 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:53:30,444 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3865 Valid, 8788 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 19:53:30,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10687 states. [2021-11-25 19:53:31,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10687 to 10679. [2021-11-25 19:53:31,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10679 states, 7813 states have (on average 1.3518494816331754) internal successors, (10562), 8136 states have internal predecessors, (10562), 2482 states have call successors, (2482), 383 states have call predecessors, (2482), 383 states have return successors, (2485), 2399 states have call predecessors, (2485), 2480 states have call successors, (2485) [2021-11-25 19:53:31,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10679 states to 10679 states and 15529 transitions. [2021-11-25 19:53:31,095 INFO L78 Accepts]: Start accepts. Automaton has 10679 states and 15529 transitions. Word has length 65 [2021-11-25 19:53:31,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:53:31,097 INFO L470 AbstractCegarLoop]: Abstraction has 10679 states and 15529 transitions. [2021-11-25 19:53:31,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 19:53:31,097 INFO L276 IsEmpty]: Start isEmpty. Operand 10679 states and 15529 transitions. [2021-11-25 19:53:31,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-25 19:53:31,108 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:53:31,109 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:53:31,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-25 19:53:31,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 19:53:31,325 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:53:31,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:53:31,326 INFO L85 PathProgramCache]: Analyzing trace with hash 49835295, now seen corresponding path program 1 times [2021-11-25 19:53:31,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 19:53:31,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1571475304] [2021-11-25 19:53:31,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:53:31,327 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 19:53:31,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 19:53:31,328 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 19:53:31,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-25 19:53:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:53:37,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 6766 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 19:53:37,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:53:39,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:53:39,766 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:53:39,767 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 19:53:39,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1571475304] [2021-11-25 19:53:39,767 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1571475304] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:53:39,767 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:53:39,767 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:53:39,767 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735625030] [2021-11-25 19:53:39,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:53:39,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:53:39,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 19:53:39,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:53:39,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:53:39,769 INFO L87 Difference]: Start difference. First operand 10679 states and 15529 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-25 19:53:40,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:53:40,444 INFO L93 Difference]: Finished difference Result 15954 states and 23202 transitions. [2021-11-25 19:53:40,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:53:40,444 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 73 [2021-11-25 19:53:40,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:53:40,514 INFO L225 Difference]: With dead ends: 15954 [2021-11-25 19:53:40,515 INFO L226 Difference]: Without dead ends: 15946 [2021-11-25 19:53:40,522 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:53:40,522 INFO L933 BasicCegarLoop]: 4952 mSDtfsCounter, 3843 mSDsluCounter, 3909 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3843 SdHoareTripleChecker+Valid, 8861 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:53:40,523 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3843 Valid, 8861 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 19:53:40,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15946 states. [2021-11-25 19:53:41,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15946 to 15938. [2021-11-25 19:53:41,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15938 states, 11660 states have (on average 1.3524871355060035) internal successors, (15770), 12141 states have internal predecessors, (15770), 3707 states have call successors, (3707), 570 states have call predecessors, (3707), 570 states have return successors, (3710), 3583 states have call predecessors, (3710), 3705 states have call successors, (3710) [2021-11-25 19:53:41,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15938 states to 15938 states and 23187 transitions. [2021-11-25 19:53:41,441 INFO L78 Accepts]: Start accepts. Automaton has 15938 states and 23187 transitions. Word has length 73 [2021-11-25 19:53:41,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:53:41,442 INFO L470 AbstractCegarLoop]: Abstraction has 15938 states and 23187 transitions. [2021-11-25 19:53:41,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-25 19:53:41,442 INFO L276 IsEmpty]: Start isEmpty. Operand 15938 states and 23187 transitions. [2021-11-25 19:53:41,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-25 19:53:41,458 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:53:41,459 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:53:41,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-25 19:53:41,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 19:53:41,673 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:53:41,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:53:41,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1405702881, now seen corresponding path program 1 times [2021-11-25 19:53:41,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 19:53:41,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1659965117] [2021-11-25 19:53:41,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:53:41,678 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 19:53:41,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 19:53:41,679 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 19:53:41,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-25 19:53:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:53:48,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 6818 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 19:53:48,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:53:49,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:53:49,760 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:53:49,760 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 19:53:49,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1659965117] [2021-11-25 19:53:49,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1659965117] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:53:49,760 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:53:49,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:53:49,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741652704] [2021-11-25 19:53:49,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:53:49,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:53:49,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 19:53:49,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:53:49,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:53:49,762 INFO L87 Difference]: Start difference. First operand 15938 states and 23187 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-25 19:53:50,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:53:50,701 INFO L93 Difference]: Finished difference Result 37604 states and 55261 transitions. [2021-11-25 19:53:50,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:53:50,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 77 [2021-11-25 19:53:50,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:53:50,806 INFO L225 Difference]: With dead ends: 37604 [2021-11-25 19:53:50,806 INFO L226 Difference]: Without dead ends: 21834 [2021-11-25 19:53:50,866 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:53:50,867 INFO L933 BasicCegarLoop]: 4273 mSDtfsCounter, 1074 mSDsluCounter, 3844 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1338 SdHoareTripleChecker+Valid, 8117 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:53:50,867 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1338 Valid, 8117 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 19:53:50,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21834 states. [2021-11-25 19:53:52,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21834 to 21824. [2021-11-25 19:53:52,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21824 states, 16094 states have (on average 1.3629302845781037) internal successors, (21935), 16755 states have internal predecessors, (21935), 5159 states have call successors, (5159), 570 states have call predecessors, (5159), 570 states have return successors, (5166), 5005 states have call predecessors, (5166), 5157 states have call successors, (5166) [2021-11-25 19:53:52,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21824 states to 21824 states and 32260 transitions. [2021-11-25 19:53:52,290 INFO L78 Accepts]: Start accepts. Automaton has 21824 states and 32260 transitions. Word has length 77 [2021-11-25 19:53:52,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:53:52,291 INFO L470 AbstractCegarLoop]: Abstraction has 21824 states and 32260 transitions. [2021-11-25 19:53:52,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-25 19:53:52,291 INFO L276 IsEmpty]: Start isEmpty. Operand 21824 states and 32260 transitions. [2021-11-25 19:53:52,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-25 19:53:52,313 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:53:52,313 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:53:52,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-25 19:53:52,541 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 19:53:52,541 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:53:52,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:53:52,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1461524583, now seen corresponding path program 1 times [2021-11-25 19:53:52,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 19:53:52,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [812224984] [2021-11-25 19:53:52,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:53:52,544 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 19:53:52,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 19:53:52,546 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 19:53:52,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-25 19:55:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 19:55:01,283 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 19:55:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 19:55:42,538 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-25 19:55:42,539 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-25 19:55:42,540 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 19:55:42,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-25 19:55:42,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 19:55:42,768 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:55:42,772 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 19:55:42,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 07:55:42 BoogieIcfgContainer [2021-11-25 19:55:42,971 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 19:55:42,972 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 19:55:42,972 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 19:55:42,972 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 19:55:42,973 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:52:39" (3/4) ... [2021-11-25 19:55:42,977 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-25 19:55:42,977 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 19:55:42,978 INFO L158 Benchmark]: Toolchain (without parser) took 283461.38ms. Allocated memory was 67.1MB in the beginning and 1.1GB in the end (delta: 1.1GB). Free memory was 44.0MB in the beginning and 559.2MB in the end (delta: -515.2MB). Peak memory consumption was 544.0MB. Max. memory is 16.1GB. [2021-11-25 19:55:42,978 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 67.1MB. Free memory was 47.1MB in the beginning and 47.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:55:42,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4863.22ms. Allocated memory was 67.1MB in the beginning and 390.1MB in the end (delta: 323.0MB). Free memory was 43.8MB in the beginning and 232.3MB in the end (delta: -188.5MB). Peak memory consumption was 136.0MB. Max. memory is 16.1GB. [2021-11-25 19:55:42,979 INFO L158 Benchmark]: Boogie Procedure Inliner took 490.38ms. Allocated memory is still 390.1MB. Free memory was 232.3MB in the beginning and 186.1MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2021-11-25 19:55:42,980 INFO L158 Benchmark]: Boogie Preprocessor took 444.56ms. Allocated memory is still 390.1MB. Free memory was 186.1MB in the beginning and 237.7MB in the end (delta: -51.6MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2021-11-25 19:55:42,980 INFO L158 Benchmark]: RCFGBuilder took 93894.39ms. Allocated memory was 390.1MB in the beginning and 780.1MB in the end (delta: 390.1MB). Free memory was 236.7MB in the beginning and 565.5MB in the end (delta: -328.8MB). Peak memory consumption was 469.1MB. Max. memory is 16.1GB. [2021-11-25 19:55:42,980 INFO L158 Benchmark]: TraceAbstraction took 183757.04ms. Allocated memory was 780.1MB in the beginning and 1.1GB in the end (delta: 346.0MB). Free memory was 565.5MB in the beginning and 559.2MB in the end (delta: 6.3MB). Peak memory consumption was 352.3MB. Max. memory is 16.1GB. [2021-11-25 19:55:42,981 INFO L158 Benchmark]: Witness Printer took 5.43ms. Allocated memory is still 1.1GB. Free memory is still 559.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:55:42,983 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 67.1MB. Free memory was 47.1MB in the beginning and 47.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4863.22ms. Allocated memory was 67.1MB in the beginning and 390.1MB in the end (delta: 323.0MB). Free memory was 43.8MB in the beginning and 232.3MB in the end (delta: -188.5MB). Peak memory consumption was 136.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 490.38ms. Allocated memory is still 390.1MB. Free memory was 232.3MB in the beginning and 186.1MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 444.56ms. Allocated memory is still 390.1MB. Free memory was 186.1MB in the beginning and 237.7MB in the end (delta: -51.6MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * RCFGBuilder took 93894.39ms. Allocated memory was 390.1MB in the beginning and 780.1MB in the end (delta: 390.1MB). Free memory was 236.7MB in the beginning and 565.5MB in the end (delta: -328.8MB). Peak memory consumption was 469.1MB. Max. memory is 16.1GB. * TraceAbstraction took 183757.04ms. Allocated memory was 780.1MB in the beginning and 1.1GB in the end (delta: 346.0MB). Free memory was 565.5MB in the beginning and 559.2MB in the end (delta: 6.3MB). Peak memory consumption was 352.3MB. Max. memory is 16.1GB. * Witness Printer took 5.43ms. Allocated memory is still 1.1GB. Free memory is still 559.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 14623]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 12224. Possible FailurePath: [L5747] static char *driver_name = (char *)"SyncLink GT"; [L5748] static char *tty_driver_name = (char *)"synclink_gt"; [L5749] static char *tty_dev_prefix = (char *)"ttySLG"; [L5750-L5754] static struct pci_device_id pci_table[5U] = { {5056U, 112U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {5056U, 160U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {5056U, 128U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {5056U, 144U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {0U, 0U, 0U, 0U, 0U, 0U, 0UL}}; [L5755] struct pci_device_id const __mod_pci_device_table ; [L5758-L5773] static struct pci_driver pci_driver = {{(struct list_head *)0, (struct list_head *)0}, "synclink_gt", (struct pci_device_id const *)(& pci_table), & init_one, & remove_one, (int (*)(struct pci_dev * , pm_message_t ))0, (int (*)(struct pci_dev * , pm_message_t ))0, (int (*)(struct pci_dev * ))0, (int (*)(struct pci_dev * ))0, (void (*)(struct pci_dev * ))0, (struct pci_error_handlers *)0, {(char const *)0, (struct bus_type *)0, (struct module *)0, (char const *)0, (_Bool)0, (struct of_device_id const *)0, (int (*)(struct device * ))0, (int (*)(struct device * ))0, (void (*)(struct device * ))0, (int (*)(struct device * , pm_message_t ))0, (int (*)(struct device * ))0, (struct attribute_group const **)0, (struct dev_pm_ops const *)0, (struct driver_private *)0}, {{{{{0U}, 0U, 0U, (void *)0, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, (char const *)0, 0, 0UL}}}}, {(struct list_head *)0, (struct list_head *)0}}}; [L5774] static bool pci_registered ; [L5775] static struct slgt_info *slgt_device_list ; [L5776] static int slgt_device_count ; [L5777] static int ttymajor ; [L5778] static int debug_level ; [L5779] static int maxframe[32U] ; [L5780] static struct tty_driver *serial_driver ; [L5807-L5810] static MGSL_PARAMS default_params = {2UL, (unsigned char)0, (unsigned short)1, (unsigned char)3, 0UL, (unsigned char)255, (unsigned short)1, (unsigned char)0, (unsigned char)0, 9600UL, (unsigned char)8, (unsigned char)1, (unsigned char)0}; [L7413-L7440] static struct file_operations const synclink_gt_proc_fops = {& __this_module, & seq_lseek, & seq_read, (ssize_t (*)(struct file * , char const * , size_t , loff_t * ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (int (*)(struct file * , void * , int (*)(void * , char const * , int , loff_t , u64 , unsigned int ) ))0, (unsigned int (*)(struct file * , struct poll_table_struct * ))0, (long (*)(struct file * , unsigned int , unsigned long ))0, (long (*)(struct file * , unsigned int , unsigned long ))0, (int (*)(struct file * , struct vm_area_struct * ))0, & synclink_gt_proc_open, (int (*)(struct file * , fl_owner_t ))0, & single_release, (int (*)(struct file * , int ))0, (int (*)(struct kiocb * , int ))0, (int (*)(int , struct file * , int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct file * , struct page * , int , size_t , loff_t * , int ))0, (unsigned long (*)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ))0, (int (*)(int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ))0, (ssize_t (*)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ))0, (int (*)(struct file * , long , struct file_lock ** ))0, (long (*)(struct file * , int , loff_t , loff_t ))0}; [L8109-L8142] static struct net_device_ops const hdlcdev_ops = {(int (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, & hdlcdev_open, & hdlcdev_close, & hdlc_start_xmit, (u16 (*)(struct net_device * , struct sk_buff * ))0, (void (*)(struct net_device * , int ))0, (void (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , void * ))0, (int (*)(struct net_device * ))0, & hdlcdev_ioctl, (int (*)(struct net_device * , struct ifmap * ))0, & hdlc_change_mtu, (int (*)(struct net_device * , struct neigh_parms * ))0, & hdlcdev_tx_timeout, (struct rtnl_link_stats64 *(*)(struct net_device * , struct rtnl_link_stats64 * ))0, (struct net_device_stats *(*)(struct net_device * ))0, (void (*)(struct net_device * , struct vlan_group * ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , struct netpoll_info * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , int , u8 * ))0, (int (*)(struct net_device * , int , u16 , u8 ))0, (int (*)(struct net_device * , int , int ))0, (int (*)(struct net_device * , int , struct ifla_vf_info * ))0, (int (*)(struct net_device * , int , struct nlattr ** ))0, (int (*)(struct net_device * , int , struct sk_buff * ))0, (int (*)(struct net_device * , u8 ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u16 ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u64 * , int ))0, (int (*)(struct net_device * , struct sk_buff const * , u16 , u32 ))0, (int (*)(struct net_device * , struct net_device * ))0, (int (*)(struct net_device * , struct net_device * ))0, (u32 (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * , u32 ))0}; [L11815-L11816] static struct tty_port_operations const slgt_port_ops = {& carrier_raised, & dtr_rts, (void (*)(struct tty_port * ))0, (void (*)(struct tty_port * ))0, (int (*)(struct tty_port * , struct tty_struct * ))0, (void (*)(struct tty_port * ))0}; [L12074-L12087] static struct tty_operations const ops = {(struct tty_struct *(*)(struct tty_driver * , struct inode * , int ))0, (int (*)(struct tty_driver * , struct tty_struct * ))0, (void (*)(struct tty_driver * , struct tty_struct * ))0, & open, & close, (void (*)(struct tty_struct * ))0, (void (*)(struct tty_struct * ))0, & write, & put_char, & flush_chars, & write_room, & chars_in_buffer, & ioctl, & slgt_compat_ioctl, & set_termios, & throttle, & unthrottle, & tx_hold, & tx_release, & hangup, & set_break, & flush_buffer, (void (*)(struct tty_struct * ))0, & wait_until_sent, & send_xchar, & tiocmget, & tiocmset, (int (*)(struct tty_struct * , struct winsize * ))0, (int (*)(struct tty_struct * , struct termiox * ))0, & get_icount, (int (*)(struct tty_driver * , int , char * ))0, (int (*)(struct tty_driver * , int ))0, (void (*)(struct tty_driver * , int , char ))0, & synclink_gt_proc_fops}; [L14221] int LDV_IN_INTERRUPT ; [L14627] int ldv_module_refcounter = 1; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=0, pci_table={190:0}, serial_driver={0:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, ttymajor=0] [L14223] struct pci_dev *var_group1 ; [L14224] struct pci_device_id const *var_init_one_102_p1 ; [L14225] int res_init_one_102 ; [L14226] struct inode *var_group2 ; [L14227] struct file *var_group3 ; [L14228] int res_synclink_gt_proc_open_26 ; [L14229] struct net_device *var_group4 ; [L14230] int res_hdlcdev_open_33 ; [L14231] int res_hdlcdev_close_34 ; [L14232] struct ifreq *var_group5 ; [L14233] int var_hdlcdev_ioctl_35_p2 ; [L14234] struct tty_port *var_group6 ; [L14235] int var_dtr_rts_87_p1 ; [L14236] struct tty_struct *var_group7 ; [L14237] int res_open_5 ; [L14238] unsigned char const *var_write_10_p1 ; [L14239] int var_write_10_p2 ; [L14240] unsigned char var_put_char_11_p1 ; [L14241] unsigned int var_ioctl_19_p1 ; [L14242] unsigned long var_ioctl_19_p2 ; [L14243] unsigned int var_slgt_compat_ioctl_23_p1 ; [L14244] unsigned long var_slgt_compat_ioctl_23_p2 ; [L14245] char var_send_xchar_12_p1 ; [L14246] int var_set_break_30_p1 ; [L14247] int var_wait_until_sent_13_p1 ; [L14248] struct ktermios *var_group8 ; [L14249] unsigned int var_tiocmset_85_p1 ; [L14250] unsigned int var_tiocmset_85_p2 ; [L14251] struct serial_icounter_struct *var_group9 ; [L14252] int var_slgt_interrupt_56_p0 ; [L14253] void *var_slgt_interrupt_56_p1 ; [L14254] int ldv_s_pci_driver_pci_driver ; [L14255] int ldv_s_synclink_gt_proc_fops_file_operations ; [L14256] int ldv_s_hdlcdev_ops_net_device_ops ; [L14257] int ldv_s_ops_tty_operations ; [L14258] int tmp ; [L14259] int tmp___0 ; [L14260] int tmp___1 ; [L14263] ldv_s_pci_driver_pci_driver = 0 [L14264] ldv_s_synclink_gt_proc_fops_file_operations = 0 [L14265] ldv_s_hdlcdev_ops_net_device_ops = 0 [L14266] ldv_s_ops_tty_operations = 0 [L14267] LDV_IN_INTERRUPT = 1 [L14268] FCALL ldv_initialize() [L14269] CALL, EXPR slgt_init() [L12178] int rc ; [L12182] CALL, EXPR alloc_tty_driver(32) [L14781] CALL, EXPR ldv_malloc(sizeof(struct tty_driver)) VAL [\old(size)=281, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=0, pci_table={190:0}, serial_driver={0:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, ttymajor=0] [L14728] COND FALSE !(__VERIFIER_nondet_bool()) [L14729] return malloc(size); [L14781] RET, EXPR ldv_malloc(sizeof(struct tty_driver)) VAL [\old(arg0)=null, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, arg0=null, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct tty_driver))={255:0}, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=0, pci_table={190:0}, serial_driver={0:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, ttymajor=0] [L14781] return ldv_malloc(sizeof(struct tty_driver)); [L12182] RET, EXPR alloc_tty_driver(32) [L12182] serial_driver = alloc_tty_driver(32) [L12184] COND FALSE !((unsigned long )serial_driver == (unsigned long )((struct tty_driver *)0)) [L12192] serial_driver->owner = & __this_module [L12193] serial_driver->driver_name = (char const *)tty_driver_name [L12194] serial_driver->name = (char const *)tty_dev_prefix [L12195] serial_driver->major = ttymajor [L12196] serial_driver->minor_start = 64 [L12197] serial_driver->type = (short)3 [L12198] serial_driver->subtype = (short)1 [L12199] serial_driver->init_termios = tty_std_termios [L12200] serial_driver->init_termios.c_cflag = 3261U [L12201] serial_driver->init_termios.c_ispeed = 9600U [L12202] serial_driver->init_termios.c_ospeed = 9600U [L12203] serial_driver->flags = 12 [L12204] FCALL tty_set_operations(serial_driver, & ops) [L12205] CALL, EXPR tty_register_driver(serial_driver) [L14995] return __VERIFIER_nondet_int(); [L12205] RET, EXPR tty_register_driver(serial_driver) [L12205] rc = tty_register_driver(serial_driver) [L12207] COND FALSE !(rc < 0) [L12222] serial_driver->major [L12223] slgt_device_count = 0 [L12224] CALL, EXPR __pci_register_driver(& pci_driver, & __this_module, "synclink_gt") [L14739] return __VERIFIER_nondet_int(); [L12224] RET, EXPR __pci_register_driver(& pci_driver, & __this_module, "synclink_gt") [L12224] rc = __pci_register_driver(& pci_driver, & __this_module, "synclink_gt") [L12226] COND FALSE !(rc < 0) [L12233] pci_registered = (bool )1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, rc=0, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L12234] COND TRUE (unsigned long )slgt_device_list == (unsigned long )((struct slgt_info *)0) [L12240] return (0); VAL [\result=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, rc=0, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14269] RET, EXPR slgt_init() [L14269] tmp = slgt_init() [L14271] COND FALSE !(tmp != 0) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp=0, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14589] tmp___1 = __VERIFIER_nondet_int() [L14591] COND TRUE tmp___1 != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp=0, tmp___1=2147483648, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14278] tmp___0 = __VERIFIER_nondet_int() [L14280] COND FALSE !(tmp___0 == 0) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp=0, tmp___0=2, tmp___1=2147483648, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14283] COND FALSE !(tmp___0 == 1) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp=0, tmp___0=2, tmp___1=2147483648, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14286] COND TRUE tmp___0 == 2 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp=0, tmp___0=2, tmp___1=2147483648, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14404] COND TRUE ldv_s_hdlcdev_ops_net_device_ops == 0 [L14406] CALL, EXPR hdlcdev_open(var_group4) [L7718] struct slgt_info *info ; [L7719] struct hdlc_device *tmp ; [L7720] int rc ; [L7721] unsigned long flags ; [L7722] int tmp___0 ; [L7723] raw_spinlock_t *tmp___1 ; [L7724] raw_spinlock_t *tmp___2 ; [L7725] raw_spinlock_t *tmp___3 ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, debug_level=0, default_params={193:0}, dev={1099515822080:0}, dev={1099515822080:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L7728] CALL, EXPR dev_to_hdlc(dev) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L5713] void *tmp ; [L5716] CALL, EXPR netdev_priv((struct net_device const *)dev) [L5583] return ((void *)dev + 2560U); VAL [\result={1099515822080:2560}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, debug_level=0, default_params={193:0}, dev={1099515822080:0}, dev={1099515822080:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L5716] RET, EXPR netdev_priv((struct net_device const *)dev) [L5716] tmp = netdev_priv((struct net_device const *)dev) [L5718] return ((struct hdlc_device *)tmp); VAL [\result={1099515822080:2560}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, debug_level=0, default_params={193:0}, dev={1099515822080:0}, dev={1099515822080:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp={1099515822080:2560}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L7728] RET, EXPR dev_to_hdlc(dev) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, debug_level=0, default_params={193:0}, dev={1099515822080:0}, dev={1099515822080:0}, dev_to_hdlc(dev)={1099515822080:2560}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L7728] tmp = dev_to_hdlc(dev) [L7729] EXPR tmp->priv [L7729] info = (struct slgt_info *)tmp->priv [L7730] CALL, EXPR ldv_try_module_get_1(& __this_module) [L14701] int tmp ; [L14704] CALL, EXPR ldv_try_module_get(module) [L14639] int module_get_succeeded ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={192:0}, module={0:-9223372036250796024}, module={0:-9223372036250796024}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14641] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) [L14643] CALL, EXPR ldv_undefined_int() [L14851] return __VERIFIER_nondet_int(); [L14643] RET, EXPR ldv_undefined_int() [L14643] module_get_succeeded = ldv_undefined_int() [L14645] COND TRUE module_get_succeeded == 1 [L14646] ldv_module_refcounter = ldv_module_refcounter + 1 [L14647] return (1); VAL [\result=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, module={0:-9223372036250796024}, module={0:-9223372036250796024}, module_get_succeeded=1, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14704] RET, EXPR ldv_try_module_get(module) [L14704] tmp = ldv_try_module_get(module) [L14706] return (tmp); VAL [\result=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, module={0:-9223372036250796024}, module={0:-9223372036250796024}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp=1, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L7730] RET, EXPR ldv_try_module_get_1(& __this_module) [L7730] tmp___0 = ldv_try_module_get_1(& __this_module) [L7732] COND FALSE !(tmp___0 == 0) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, debug_level=0, default_params={193:0}, dev={1099515822080:0}, dev={1099515822080:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:65536}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp={1099515822080:2560}, tmp___0=1, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L7736] COND FALSE !(debug_level > 2) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, debug_level=0, default_params={193:0}, dev={1099515822080:0}, dev={1099515822080:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:65536}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp={1099515822080:2560}, tmp___0=1, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L7743] CALL, EXPR hdlc_open(dev) [L14825] return __VERIFIER_nondet_int(); [L7743] RET, EXPR hdlc_open(dev) [L7743] rc = hdlc_open(dev) [L7745] COND TRUE rc != 0 [L7746] return (rc); VAL [\result=-2147483644, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, debug_level=0, default_params={193:0}, dev={1099515822080:0}, dev={1099515822080:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:65536}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, rc=2147483652, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp={1099515822080:2560}, tmp___0=1, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14406] RET, EXPR hdlcdev_open(var_group4) [L14406] res_hdlcdev_open_33 = hdlcdev_open(var_group4) [L14407] FCALL ldv_check_return_value(res_hdlcdev_open_33) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, res_hdlcdev_open_33=2147483652, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp=0, tmp___0=2, tmp___1=2147483648, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0, var_group4={1099515822080:0}] [L14409] COND TRUE res_hdlcdev_open_33 < 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, res_hdlcdev_open_33=2147483652, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp=0, tmp___0=2, tmp___1=2147483648, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0, var_group4={1099515822080:0}] [L14611] CALL slgt_exit() [L12252] CALL slgt_cleanup() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L12089] int rc ; [L12090] struct slgt_info *info ; [L12091] struct slgt_info *tmp ; [L12096] COND TRUE (unsigned long )serial_driver != (unsigned long )((struct tty_driver *)0) [L12097] info = slgt_device_list VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L12105] COND FALSE !((unsigned long )info != (unsigned long )((struct slgt_info *)0)) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L12112] CALL, EXPR tty_unregister_driver(serial_driver) [L15008] return __VERIFIER_nondet_int(); [L12112] RET, EXPR tty_unregister_driver(serial_driver) [L12112] rc = tty_unregister_driver(serial_driver) [L12114] COND FALSE !(rc != 0) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, rc=0, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L12124] FCALL put_tty_driver(serial_driver) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, rc=0, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L12128] info = slgt_device_list VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, rc=0, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L12136] COND FALSE !((unsigned long )info != (unsigned long )((struct slgt_info *)0)) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, rc=0, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L12142] info = slgt_device_list VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, rc=0, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L12162] COND FALSE !((unsigned long )info != (unsigned long )((struct slgt_info *)0)) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, rc=0, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L12168] COND TRUE (int )pci_registered [L12170] FCALL pci_unregister_driver(& pci_driver) [L12252] RET slgt_cleanup() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14611] RET slgt_exit() [L14615] CALL ldv_check_final_state() [L14691] COND TRUE ldv_module_refcounter != 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14693] CALL ldv_blast_assert() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14623] reach_error() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036250796024}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 99 procedures, 2733 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 183.5s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 14.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 24356 SdHoareTripleChecker+Valid, 7.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24086 mSDsluCounter, 104750 SdHoareTripleChecker+Invalid, 6.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 63676 mSDsCounter, 910 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 170 IncrementalHoareTripleChecker+Invalid, 1081 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 910 mSolverCounterUnsat, 41074 mSDtfsCounter, 170 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 473 GetRequests, 453 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21824occurred in iteration=8, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 2145 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 2.5s SsaConstructionTime, 91.1s SatisfiabilityAnalysisTime, 13.4s InterpolantComputationTime, 547 NumberOfCodeBlocks, 547 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 465 ConstructedInterpolants, 0 QuantifiedInterpolants, 969 SizeOfPredicates, 9 NumberOfNonLiveVariables, 42898 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-25 19:55:43,225 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-25 19:55:43,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dd5a30-4568-4874-9269-0f9553ef1b80/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample